Machine models
CASE 521D–621DXT: linkage, cooling and 521F edition differences
D-Series linkage choices and the later 521F
The 521D and 621D comparison needs the front linkage identified first. CASE's D-Series literature separates conventional Z-bar, XT tool-carrier and extended-reach arrangements. An optional quick coupler changes the working attachment again.
A bucket volume alone cannot identify dump clearance, reach or tipping load.
The D-Series cooling layout places the module between the engine and cab, with the engine behind the rear axle. Inspect the central cooler faces, not just the rear grille. CASE describes independent cooler faces and an optional reversing hydraulic fan.
The reversing function should be checked on the particular loader; the presence of a cooling fan does not establish that option.
Daily access is also distinctive. The D brochure shows a one-piece raising hood and remote coolant, hydraulic and engine-oil drains grouped at the left rear. Check for damaged panels, blocked access and leaking drain connections during a walkaround.
A clean visible engine bay does not show the condition between all the cooler faces.
Source: CASE D-Series brochure, CE-378-02-03.The European D sheet lists a single-body variable axial-piston working pump with load sensing. It separates hydraulic-system capacity from tank capacity. Those quantities are not interchangeable when servicing a drained tank versus the whole circuit.
Steering priority and brake circuits need their own diagnosis.
Its bucket charts change the counterweight basis between standard and XT arrangements. The XT table includes the quick-coupler bucket assembly and a heavy counterweight. Compare complete columns: taking a lighter standard machine's weight together with an XT load figure would hide part of the equipment that produced that figure.
The document also distinguishes loaded raising from empty lowering when stating cycle time.
Source: Original CASE European D-Series sheet.The 521F introduces another document boundary. The opened Tier4 Interim sheet names its engine and gives three power modes, each with rated and peak output entries. The headline peak figure is not its rated output in every mode.
Its DEF table separates usable capacity from total tank volume. Match the engine and emissions plate before using those quantities on an F loader; the earlier D-series diesel-only fuel and hydraulic capacities do not describe that system.
Source: CASE 521F Tier4 Interim specification.| Model and field | Earlier entry | Manufacturer figure and scope | Source |
|---|---|---|---|
| 521F DEF Tank Capacity | 11.2 gal | Earlier11.2gal catalogue entry lacks matched edition. Original2013 Tier4Interim F4HFE413J sheet lists6.5gal24.8L usable and10.2gal38.6L total; these are not a universal refill for the separately listed F4HFE413NB engine. | Original document |
| Listing-entry count |
|---|
| 9 |
Short answer
CASE 521D–621DXT: linkage, cooling and 521F edition differences: wheel loaders.
| Configuration | Documented field and quantity |
|---|---|
| 521D |
|
| 521DXT |
|
| 521E |
|
| 521EXR |
|
| 521EXT |
|
| 521F |
|
| 621D |
|
| 621DXR |
|
| 621DXT |
|
| Publisher name | Source guide | Listing-entry count | Labels named by the source |
|---|---|---|---|
| CASE | 521D to 621DXT | 9 | 521D, 521DXT, 521E, 521EXR, 521EXT, 521F, and 3 more |
| Specification | 521D | 521DXT | 521E | 521EXR | 521EXT | 621D | 621DXR | 621DXT |
|---|---|---|---|---|---|---|---|---|
| Dump Clearance At Max Raise | 9.06 ft | 9.06 ft | 9.07 ft | 7.03 ft | 9.13 ft | 9.21 ft | 10.61 ft | 9.44 ft |
| Specification | 521D | 521DXT | 521E | 521EXR | 521EXT | 521F | 621D | 621DXR |
|---|---|---|---|---|---|---|---|---|
| Bucket Capacity - Heaped | 2.5 yd3 | 2 yd3 | 2.11 yd3 | 2.11 yd3 | 2.11 yd3 | 2.11 yd3 | 3 yd3 | 3 yd3 |
| Specification | 521D | 521E | 521EXR | 521EXT | 621D | 621DXR | 621DXT |
|---|---|---|---|---|---|---|---|
| Bucket Capacity - Struck | 2.12 yd3 | 1.77 yd3 | 1.77 yd3 | 1.77 yd3 | 2.57 yd3 | 2.57 yd3 | 2.5 yd3 |
| Specification | 521D | 521DXT | 521E | 521EXR | 521EXT | 621D | 621DXR |
|---|---|---|---|---|---|---|---|
| Bucket Width | 8.1 ft | 8.1 ft | 8.37 ft | 8.37 ft | 8.37 ft | 8.54 ft | 8.54 ft |
| Specification | 521D | 521DXT | 521F | 621D | 621DXR | 621DXT |
|---|---|---|---|---|---|---|
| Breakout Force | 20,951 lb | 21,929 lb | 20,862 lb | 23,237 lb | 23,936 lb | 26,739 lb |
| Specification | 521D | 521DXT | 521E | 521EXR | 521EXT | 521F | 621D | 621DXR | 621DXT |
|---|---|---|---|---|---|---|---|---|---|
| Ground Clearance | 1.24 ft | 1.24 ft | 1.24 ft | 1.24 ft | 1.24 ft | 1.24 ft | 1.56 ft | 1.56 ft | 1.56 ft |
| Width Over Tires | 7.58 ft | 7.58 ft | 8.17 ft | 8.17 ft | 8.17 ft | 8.17 ft | 7.82 ft | 7.82 ft | 7.82 ft |
| Height To Top Of Cab | 10.41 ft | 10.41 ft | 10.76 ft | 10.76 ft | 10.76 ft | 10.76 ft | 10.85 ft | 10.85 ft | 10.85 ft |
| Wheelbase | 9.03 ft | 9.03 ft | 9.03 ft | 9.03 ft | 9.03 ft | 9.03 ft | 9.52 ft | 9.52 ft | 9.52 ft |
| Hinge Pin - Max Height | 11.82 ft | 12.27 ft | 11.84 ft | 13.09 ft | 12.29 ft | 11.85 ft | 12.59 ft | 13.98 ft | 13 ft |
| Reach At Max Lift And Dump | 3.47 ft | 3.69 ft | 3.16 ft | 3.08 ft | 3.67 ft | 4.67 ft | 3.33 ft | 3.34 ft | 3.75 ft |
| Specification | 521D | 521DXT | 521E | 521EXR | 521EXT | 621D | 621DXR | 621DXT |
|---|---|---|---|---|---|---|---|---|
| Length With Bucket On Ground | 22.01 ft | 22.04 ft | 21.69 ft | 22.83 ft | 21.83 ft | 23.09 ft | 24.43 ft | 23.37 ft |
| Specification | 521F |
|---|---|
| Turning Radius Outside Tires | 13.2 ft |
| Overall Length (L/Bucket) | 21.69 ft |
| Dump Reach @ Full Height, 45° Dump: Bucket | 3.16 ft |
| Specification | 521D | 521DXT | 521E | 521EXR | 521EXT | 521F | 621D | 621DXR | 621DXT |
|---|---|---|---|---|---|---|---|---|---|
| Number Of Cylinders | 4 | 4 | 4 | 4 | 4 | 4 | 6 | 6 | 6 |
| Engine Model | Family III 445TA/M2, Tier II certified | Family III 445TA/M2, Tier II certified | 445TA/EGE | 445TA/EGE | 445TA/EGE | FPT F4HFE413NB | Family III 668TA/M2 | Family III 668TA/M2 | 668TA/M2 |
| Net Power | 110 hp | 110 hp | 118 hp | 118 hp | 118 hp | 131 hp | 136 hp | 136 hp | 136 hp |
| Gross Power | 119 hp | 119 hp | 129 hp | 129 hp | 129 hp | 142 hp | 148 hp | 146 hp | 148 hp |
| Max Torque | 336 lb-ft | 336 lb-ft | 407 lb-ft | 407 lb-ft | 407 lb-ft | 448.5 lb-ft | 495 lb-ft | 495 lb-ft | 509 lb-ft |
| Displacement | 275 cu in | 275 cu in | 274 cu in | 274 cu in | 274 cu in | 274.7 cu in | 409 cu in | 409 cu in | 409 cu in |
| Torque Rise | 14 % | 14 % | 19 % | 19 % | 19 % | 21 % | 33 % | 33 % | 33 % |
| Specification | 521D | 521DXT | 521E | 521EXR | 521EXT | 621D | 621DXR | 621DXT |
|---|---|---|---|---|---|---|---|---|
| Power Measured @ | 2,000 rpm | 2,000 rpm | 1,800 rpm | 1,800 rpm | 1,800 rpm | 2,000 rpm | 2,000 rpm | 2,000 rpm |
| Torque Measured @ | 1,400 rpm | 1,400 rpm | 1,300 rpm | 1,300 rpm | 1,300 rpm | 1,200 rpm | 1,200 rpm | 1,200 rpm |
| Aspiration | Turbocharged and Aftercooled | Turbocharged and Aftercooled | Turbocharged | Turbocharged | Turbocharged | turbocharged and air to air cooled | turbocharged and air to air cooled | Turbocharged with Aftercooler |
| Specification | 521F |
|---|---|
| Rated Engine Speed | 1,800 rpm |
| Emissions | Tier 4 |
| Alternator | 70 amps |
| Specification | 521D | 521DXT | 521E | 521EXR | 521EXT | 521F | 621D | 621DXR | 621DXT |
|---|---|---|---|---|---|---|---|---|---|
| Operating Weight | 22,109 lb | 23,938 lb | 23,069 lb | 23,442 lb | 26,861 lb | 22,855 lb | 26,083 lb | 26,364 lb | 27,877 lb |
| Fuel Capacity | 50 gal | 50 gal | 50 gal | 50 gal | 50 gal | 50 gal | 50 gal | 50 gal | 50 gal |
| Cooling System Fluid Capacity | 5.8 gal | 5.8 gal | 5.9 gal | 5.9 gal | 5.9 gal | 5.9 gal | 6.4 gal | 6.4 gal | 6.3 gal |
| Transmission Fluid Capacity | 5 gal | 5 gal | 5 gal | 5 gal | 5 gal | 5 gal | 5 gal | 5 gal | 5 gal |
| Front Axle/Diff Fluid Capacity | 5.9 gal | 5.9 gal | 5.7 gal | 5.7 gal | 5.7 gal | 5.9 gal | 5.9 gal | 5.9 gal | 5.9 gal |
| Rear Axle/Diff Fluid Capacity | 5.9 gal | 5.9 gal | 5.7 gal | 5.7 gal | 5.7 gal | 5.9 gal | 5.9 gal | 5.9 gal | 5.9 gal |
| Operating Voltage | 24 V | 24 V | 24 V | 24 V | 24 V | 24 V | 24 V | 24 V | 24 V |
| Rear Axle Oscillation | 24 degrees | 24 degrees | 24 degrees | 24 degrees | 24 degrees | 24 degrees | 24 degrees | 24 degrees | 24 degrees |
| Specification | 521D | 521DXT | 521E | 521EXR | 521EXT | 621D | 621DXR | 621DXT |
|---|---|---|---|---|---|---|---|---|
| Hydraulic System Fluid Capacity | 30 gal | 30 gal | 30.2 gal | 30.2 gal | 30.2 gal | 30.1 gal | 30.1 gal | 30 gal |
| Engine Oil Fluid Capacity | 3.4 gal | 3.4 gal | 3.2 gal | 3.2 gal | 3.2 gal | 4.3 gal | 4.3 gal | 4.3 gal |
| Static Tipping Weight | 18,424 lb | 18,424 lb | 18,620 lb | 15,819 lb | 15,640 lb | 22,434 lb | 18,389 lb | 20,318 lb |
| Turning Radius | 16.3 ft | 16.3 ft | 16.4 ft | 16.4 ft | 16.4 ft | 17 ft | 17 ft | 17 ft |
| Alternator Supplied Amperage | 70 amps | 70 amps | 70 amps | 70 amps | 70 amps | 70 amps | 70 amps | 70 amps |
| Tire Size | 17.5x25 | 17.5x25 | 17.5 x 25 L3 | 17.5 x 25 L3 | 17.5 x 25 L3 | 20.5x25 L3 | 20.5x25 L3 | 20.5x25 |
| Specification | 521F |
|---|---|
| DEF Tank Capacity | Earlier11.2gal catalogue entry lacks matched edition. Original2013 Tier4Interim F4HFE413J sheet lists6.5gal24.8L usable and10.2gal38.6L total; these are not a universal refill for the separately listed F4HFE413NB engine. |
| Specification | 521D | 521DXT | 521F | 621D | 621DXR |
|---|---|---|---|---|---|
| Transmission Type | 4F/3R Proportional w/ Electronic Control Module torque sensing autoshift/manual shift and modulation | 4F/3R Proportional w/ Electronic Control Module torque sensing autoshift/manual shift and modulation | Powershift | 4F/3R proportional w/ electronic control module torque sensing autoshift/manual shift and modulation | 4F/3R proportional w/ electronic control module torque sensing autoshift/manual shift and modulation |
| Specification | 521D | 521DXT | 521E | 521EXR | 521EXT | 521F | 621D | 621DXR | 621DXT |
|---|---|---|---|---|---|---|---|---|---|
| Number Of Forward Gears | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Number Of Reverse Gears | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Max Speed - Forward | 23.4 mph | 23.4 mph | 22.3 mph | 22.3 mph | 22.3 mph | 22.3 mph | 24 mph | 24 mph | 24 mph |
| Specification | 521D | 521DXT | 521E | 521EXR | 521EXT | 621D | 621DXR | 621DXT |
|---|---|---|---|---|---|---|---|---|
| Max Speed - Reverse | 15.2 mph | 15.2 mph | 14.1 mph | 14.1 mph | 14.1 mph | 15.6 mph | 15.6 mph | 15.6 mph |
| Specification | 521F |
|---|---|
| Differential Lock | F: LSD / R: LSD |
| Specification | 521D | 521DXT | 521E | 521EXR | 521EXT | 621D | 621DXR | 621DXT |
|---|---|---|---|---|---|---|---|---|
| Relief Valve Setting | 2,750 psi | 2,750 psi | 3,625 psi | 3,625 psi | 3,625 psi | 3,600 psi | 3,600 psi | 3,625 psi |
| Raise Time | 5.6 sec | 5.6 sec | 5.6 sec | 5.6 sec | 5.6 sec | 5.4 sec | 5.4 sec | 5.4 sec |
| Dump Time | 1.1 sec | 1.1 sec | 1.1 sec | 1.1 sec | 1.1 sec | 1.5 sec | 1.5 sec | 1.7 sec |
| Lower Time | 3.7 sec | 3.7 sec | 2.7 sec | 2.7 sec | 2.7 sec | 5 sec | 5 sec | 4.4 sec |
| Specification | 521D | 521DXT | 521E | 521EXR | 521EXT | 521F | 621D | 621DXR | 621DXT |
|---|---|---|---|---|---|---|---|---|---|
| Pump Flow Capacity | 35.4 gpm | 35.4 gpm | 35.4 gpm | 35.4 gpm | 35.4 gpm | 35.4 gpm | 45.2 gpm | 45.2 gpm | 45.2 gpm |
| Specification | 521D | 521DXT | 521F | 621D | 621DXR | 621DXT |
|---|---|---|---|---|---|---|
| Pump Type | closed centered pressure/flow compensated | closed centered pressure/flow compensated | Piston | closed centered pressure/flow compensated | closed centered pressure/flow compensated | closed centered variable displacement |
| Specification | 521F |
|---|---|
| Steering Arrangement | Articulation |
| Specification | 521F |
|---|---|
| Total Cycle Time | 10.5 sec |
| Specification | 521F |
|---|---|
| Tipping Load | 15,992 lb |
| Specification | 521F |
|---|---|
| Service Brake | Wet Multi Disc |
| Source guide | Differing-field count reported |
|---|---|
| 521D to 621DXT | 53 |
| Figure | 521D | 521DXT | 521E | 521EXR | 521EXT | 521F | 621D | 621DXR | 621DXT |
|---|---|---|---|---|---|---|---|---|---|
| Engine horsepower per 1,000 lb of weight | 5.0 | 4.6 | 5.1 | 5.0 | 4.4 | 5.7 | 5.2 | 5.2 | 4.9 |
| Pump flow per engine horsepower | 0.32 gpm | 0.32 gpm | 0.30 gpm | 0.30 gpm | 0.30 gpm | 0.27 gpm | 0.33 gpm | 0.33 gpm | 0.33 gpm |
| Fuel tank per engine horsepower | 0.45 gal | 0.45 gal | 0.42 gal | 0.42 gal | 0.42 gal | 0.38 gal | 0.37 gal | 0.37 gal | 0.37 gal |
521D to 621DXT: owner reports
Sources: 3 forum discussions about the Case 521 wheel loaders (521D, 521G); heavyequipmentforums.com.Sources: 3 forum discussions about the Case 621 wheel loaders (621B, 621C); heavyequipmentforums.com.| Forum index | Equipment class queried | Names in the search | Matching titles |
|---|---|---|---|
| Heavy Equipment Forums | wheel loader | CASE and the 621 line that the 521D, 521DXT, 521E, 621D belongs to (no title names the exact model) | 73 |
| Title topic | Titles |
|---|---|
| brakes and steering | 10 |
| hydraulics | 8 |
| transmission and drive | 5 |
| Topic in the title | Threads | Share of matching threads |
|---|---|---|
| brakes and steering | 10 | 14% |
| hydraulics | 8 | 11% |
| transmission and drive | 5 | 7% |
- Case 621 With Clark Transmission Torque Converter Reseal Procedure (Heavy Equipment Forums, 2026-03-10)
- Case 621 Loader (Heavy Equipment Forums, 2026-01-09)
- Case 621 Wheel Loader Wiring Schematics (Heavy Equipment Forums, 2025-12-23)
- Case 621d Low Power (Heavy Equipment Forums, 2025-11-04)
| Observation date | Listing source | Equipment search | Listings |
|---|---|---|---|
| 2026-09-24 | MachineryTrader | CASE wheel loader | 30 |
| Model | Listed | Model years | Lowest asking | Highest asking | Median asking | Median hours |
|---|---|---|---|---|---|---|
| 521D | 7 | 2001 to 2008 | $23,900 | $63,104 | $46,088 | 5,702 |
| 521E | 2 | 2009 to 2011 | $119,500 | $119,500 | $119,500 | None shown |
| 521F | 4 | 2014 to 2016 | $46,900 | $92,881 | $82,740 | None shown |
| 621D | 17 | 2001 to 2007 | $29,500 | $70,000 | $48,569 | 4,377 |
| Search date | Database | Names queried | Search result |
|---|---|---|---|
| 2026-09-24 | U.S. Consumer Product Safety Commission | CASE together with the wheel loader 521D, 521DXT, 521E, 521EXR | No matching recall in this search |
| Evidence class | Document, classification and recorded date |
|---|---|
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CASE 521D–621DXT: linkage, cooling and 521F edition differences: Configuration records
521D
| Specification | Source figure |
|---|---|
| Bucket | |
| Dump Clearance At Max Raise | 9.06 ft |
| Bucket Capacity - Heaped | 2.5 yd3 |
| Bucket Capacity - Struck | 2.12 yd3 |
| Breakout Force | 20,951 lb |
| Dimensions and weight | |
| Width Over Tires | 7.58 ft |
| Height To Top Of Cab | 10.41 ft |
| Wheelbase | 9.03 ft |
| Hinge Pin - Max Height | 11.82 ft |
| Reach At Max Lift And Dump | 3.47 ft |
| Engine | |
| Number Of Cylinders | 4 |
| Engine Model | Family III 445TA/M2, Tier II certified |
| Net Power | 110 hp |
| Gross Power | 119 hp |
| Power Measured @ | 2,000 rpm |
| Max Torque | 336 lb-ft |
| Displacement | 275 cu in |
| Torque Measured @ | 1,400 rpm |
| Aspiration | Turbocharged and Aftercooled |
| Torque Rise | 14 % |
| Operational | |
| Fuel Capacity | 50 gal |
| Hydraulic System Fluid Capacity | 30 gal |
| Engine Oil Fluid Capacity | 3.4 gal |
| Cooling System Fluid Capacity | 5.8 gal |
| Transmission Fluid Capacity | 5 gal |
| Front Axle/Diff Fluid Capacity | 5.9 gal |
| Rear Axle/Diff Fluid Capacity | 5.9 gal |
| Static Tipping Weight | 18,424 lb |
| Turning Radius | 16.3 ft |
| Operating Voltage | 24 V |
| Alternator Supplied Amperage | 70 amps |
| Rear Axle Oscillation | 24 degrees |
| Transmission and speeds | |
| Number Of Forward Gears | 4 |
| Number Of Reverse Gears | 3 |
| Max Speed - Forward | 23.4 mph |
| Max Speed - Reverse | 15.2 mph |
| Hydraulic System | |
| Relief Valve Setting | 2,750 psi |
| Pump Flow Capacity | 35.4 gpm |
| Raise Time | 5.6 sec |
| Dump Time | 1.1 sec |
| Lower Time | 3.7 sec |
| Pump Type | closed centered pressure/flow compensated |
| Additional specifications | |
| Bucket Width | 8.1 ft |
| Ground Clearance | 1.24 ft |
| Length With Bucket On Ground | 22.01 ft |
| Operating Weight | 22,109 lb |
| Tire Size | 17.5x25 |
| Transmission Type | 4F/3R Proportional w/ Electronic Control Module torque sensing autoshift/manual shift and modulation |
| European Hydraulic And Linkage Reference | OriginalFeb2005 EuropeanDsheet: single variable axial-piston load-sensing closed-centre pump134L/min/250bar; circuit114L vs57Ltank;521D standardbucket chart separate from521DXT heavy-counterweight/quick-coupler chart. Not unqualified replacement of everyUSrecord. [source] |
521DXT
| Specification | Source figure |
|---|---|
| Bucket | |
| Dump Clearance At Max Raise | 9.06 ft |
| Bucket Capacity - Heaped | 2 yd3 |
| Breakout Force | 21,929 lb |
| Dimensions and weight | |
| Width Over Tires | 7.58 ft |
| Height To Top Of Cab | 10.41 ft |
| Wheelbase | 9.03 ft |
| Hinge Pin - Max Height | 12.27 ft |
| Reach At Max Lift And Dump | 3.69 ft |
| Engine | |
| Number Of Cylinders | 4 |
| Engine Model | Family III 445TA/M2, Tier II certified |
| Net Power | 110 hp |
| Gross Power | 119 hp |
| Power Measured @ | 2,000 rpm |
| Max Torque | 336 lb-ft |
| Displacement | 275 cu in |
| Torque Measured @ | 1,400 rpm |
| Aspiration | Turbocharged and Aftercooled |
| Torque Rise | 14 % |
| Operational | |
| Fuel Capacity | 50 gal |
| Hydraulic System Fluid Capacity | 30 gal |
| Engine Oil Fluid Capacity | 3.4 gal |
| Cooling System Fluid Capacity | 5.8 gal |
| Transmission Fluid Capacity | 5 gal |
| Front Axle/Diff Fluid Capacity | 5.9 gal |
| Rear Axle/Diff Fluid Capacity | 5.9 gal |
| Static Tipping Weight | 18,424 lb |
| Turning Radius | 16.3 ft |
| Operating Voltage | 24 V |
| Alternator Supplied Amperage | 70 amps |
| Rear Axle Oscillation | 24 degrees |
| Transmission and speeds | |
| Number Of Forward Gears | 4 |
| Number Of Reverse Gears | 3 |
| Max Speed - Forward | 23.4 mph |
| Max Speed - Reverse | 15.2 mph |
| Hydraulic System | |
| Relief Valve Setting | 2,750 psi |
| Pump Flow Capacity | 35.4 gpm |
| Raise Time | 5.6 sec |
| Dump Time | 1.1 sec |
| Lower Time | 3.7 sec |
| Pump Type | closed centered pressure/flow compensated |
| Additional specifications | |
| Bucket Width | 8.1 ft |
| Ground Clearance | 1.24 ft |
| Length With Bucket On Ground | 22.04 ft |
| Operating Weight | 23,938 lb |
| Tire Size | 17.5x25 |
| Transmission Type | 4F/3R Proportional w/ Electronic Control Module torque sensing autoshift/manual shift and modulation |
521E
| Specification | Source figure |
|---|---|
| Bucket | |
| Dump Clearance At Max Raise | 9.07 ft |
| Bucket Capacity - Heaped | 2.11 yd3 |
| Bucket Capacity - Struck | 1.77 yd3 |
| Dimensions and weight | |
| Width Over Tires | 8.17 ft |
| Height To Top Of Cab | 10.76 ft |
| Wheelbase | 9.03 ft |
| Hinge Pin - Max Height | 11.84 ft |
| Reach At Max Lift And Dump | 3.16 ft |
| Engine | |
| Number Of Cylinders | 4 |
| Engine Model | 445TA/EGE |
| Net Power | 118 hp |
| Gross Power | 129 hp |
| Power Measured @ | 1,800 rpm |
| Max Torque | 407 lb-ft |
| Displacement | 274 cu in |
| Torque Measured @ | 1,300 rpm |
| Aspiration | Turbocharged |
| Torque Rise | 19 % |
| Operational | |
| Fuel Capacity | 50 gal |
| Hydraulic System Fluid Capacity | 30.2 gal |
| Engine Oil Fluid Capacity | 3.2 gal |
| Cooling System Fluid Capacity | 5.9 gal |
| Transmission Fluid Capacity | 5 gal |
| Front Axle/Diff Fluid Capacity | 5.7 gal |
| Rear Axle/Diff Fluid Capacity | 5.7 gal |
| Static Tipping Weight | 18,620 lb |
| Turning Radius | 16.4 ft |
| Operating Voltage | 24 V |
| Alternator Supplied Amperage | 70 amps |
| Rear Axle Oscillation | 24 degrees |
| Transmission and speeds | |
| Number Of Forward Gears | 4 |
| Number Of Reverse Gears | 3 |
| Max Speed - Forward | 22.3 mph |
| Max Speed - Reverse | 14.1 mph |
| Hydraulic System | |
| Relief Valve Setting | 3,625 psi |
| Pump Flow Capacity | 35.4 gpm |
| Raise Time | 5.6 sec |
| Dump Time | 1.1 sec |
| Lower Time | 2.7 sec |
| Additional specifications | |
| Bucket Width | 8.37 ft |
| Ground Clearance | 1.24 ft |
| Length With Bucket On Ground | 21.69 ft |
| Operating Weight | 23,069 lb |
| Tire Size | 17.5 x 25 L3 |
521EXR
| Specification | Source figure |
|---|---|
| Bucket | |
| Dump Clearance At Max Raise | 7.03 ft |
| Bucket Capacity - Heaped | 2.11 yd3 |
| Bucket Capacity - Struck | 1.77 yd3 |
| Dimensions and weight | |
| Width Over Tires | 8.17 ft |
| Height To Top Of Cab | 10.76 ft |
| Wheelbase | 9.03 ft |
| Hinge Pin - Max Height | 13.09 ft |
| Reach At Max Lift And Dump | 3.08 ft |
| Engine | |
| Number Of Cylinders | 4 |
| Engine Model | 445TA/EGE |
| Net Power | 118 hp |
| Gross Power | 129 hp |
| Power Measured @ | 1,800 rpm |
| Max Torque | 407 lb-ft |
| Displacement | 274 cu in |
| Torque Measured @ | 1,300 rpm |
| Aspiration | Turbocharged |
| Torque Rise | 19 % |
| Operational | |
| Fuel Capacity | 50 gal |
| Hydraulic System Fluid Capacity | 30.2 gal |
| Engine Oil Fluid Capacity | 3.2 gal |
| Cooling System Fluid Capacity | 5.9 gal |
| Transmission Fluid Capacity | 5 gal |
| Front Axle/Diff Fluid Capacity | 5.7 gal |
| Rear Axle/Diff Fluid Capacity | 5.7 gal |
| Static Tipping Weight | 15,819 lb |
| Turning Radius | 16.4 ft |
| Operating Voltage | 24 V |
| Alternator Supplied Amperage | 70 amps |
| Rear Axle Oscillation | 24 degrees |
| Transmission and speeds | |
| Number Of Forward Gears | 4 |
| Number Of Reverse Gears | 3 |
| Max Speed - Forward | 22.3 mph |
| Max Speed - Reverse | 14.1 mph |
| Hydraulic System | |
| Relief Valve Setting | 3,625 psi |
| Pump Flow Capacity | 35.4 gpm |
| Raise Time | 5.6 sec |
| Dump Time | 1.1 sec |
| Lower Time | 2.7 sec |
| Additional specifications | |
| Bucket Width | 8.37 ft |
| Ground Clearance | 1.24 ft |
| Length With Bucket On Ground | 22.83 ft |
| Operating Weight | 23,442 lb |
| Tire Size | 17.5 x 25 L3 |
521EXT
| Specification | Source figure |
|---|---|
| Bucket | |
| Dump Clearance At Max Raise | 9.13 ft |
| Bucket Capacity - Heaped | 2.11 yd3 |
| Bucket Capacity - Struck | 1.77 yd3 |
| Dimensions and weight | |
| Width Over Tires | 8.17 ft |
| Height To Top Of Cab | 10.76 ft |
| Wheelbase | 9.03 ft |
| Hinge Pin - Max Height | 12.29 ft |
| Reach At Max Lift And Dump | 3.67 ft |
| Engine | |
| Number Of Cylinders | 4 |
| Engine Model | 445TA/EGE |
| Net Power | 118 hp |
| Gross Power | 129 hp |
| Power Measured @ | 1,800 rpm |
| Max Torque | 407 lb-ft |
| Displacement | 274 cu in |
| Torque Measured @ | 1,300 rpm |
| Aspiration | Turbocharged |
| Torque Rise | 19 % |
| Operational | |
| Fuel Capacity | 50 gal |
| Hydraulic System Fluid Capacity | 30.2 gal |
| Engine Oil Fluid Capacity | 3.2 gal |
| Cooling System Fluid Capacity | 5.9 gal |
| Transmission Fluid Capacity | 5 gal |
| Front Axle/Diff Fluid Capacity | 5.7 gal |
| Rear Axle/Diff Fluid Capacity | 5.7 gal |
| Static Tipping Weight | 15,640 lb |
| Turning Radius | 16.4 ft |
| Operating Voltage | 24 V |
| Alternator Supplied Amperage | 70 amps |
| Rear Axle Oscillation | 24 degrees |
| Transmission and speeds | |
| Number Of Forward Gears | 4 |
| Number Of Reverse Gears | 3 |
| Max Speed - Forward | 22.3 mph |
| Max Speed - Reverse | 14.1 mph |
| Hydraulic System | |
| Relief Valve Setting | 3,625 psi |
| Pump Flow Capacity | 35.4 gpm |
| Raise Time | 5.6 sec |
| Dump Time | 1.1 sec |
| Lower Time | 2.7 sec |
| Additional specifications | |
| Bucket Width | 8.37 ft |
| Ground Clearance | 1.24 ft |
| Length With Bucket On Ground | 21.83 ft |
| Operating Weight | 26,861 lb |
| Tire Size | 17.5 x 25 L3 |
521F
| Specification | Source figure |
|---|---|
| Bucket | |
| Bucket Capacity - Heaped | 2.11 yd3 |
| Breakout Force | 20,862 lb |
| Dimensions and weight | |
| Width Over Tires | 8.17 ft |
| Height To Top Of Cab | 10.76 ft |
| Wheelbase | 9.03 ft |
| Hinge Pin - Max Height | 11.85 ft |
| Reach At Max Lift And Dump | 4.67 ft |
| Turning Radius Outside Tires | 13.2 ft |
| Overall Length (L/Bucket) | 21.69 ft |
| Dump Reach @ Full Height, 45° Dump: Bucket | 3.16 ft |
| Engine | |
| Number Of Cylinders | 4 |
| Engine Model | FPT F4HFE413NB |
| Net Power | 131 hp |
| Gross Power | 142 hp |
| Max Torque | 448.5 lb-ft |
| Displacement | 274.7 cu in |
| Torque Rise | 21 % |
| Rated Engine Speed | 1,800 rpm |
| Emissions | Tier 4 |
| Alternator | 70 amps |
| Operational | |
| Fuel Capacity | 50 gal |
| Cooling System Fluid Capacity | 5.9 gal |
| Transmission Fluid Capacity | 5 gal |
| Front Axle/Diff Fluid Capacity | 5.9 gal |
| Rear Axle/Diff Fluid Capacity | 5.9 gal |
| Operating Voltage | 24 V |
| Rear Axle Oscillation | 24 degrees |
| DEF Tank Capacity | Earlier11.2gal catalogue entry lacks matched edition. Original2013 Tier4Interim F4HFE413J sheet lists6.5gal24.8L usable and10.2gal38.6L total; these are not a universal refill for the separately listed F4HFE413NB engine. [source] |
| Transmission and speeds | |
| Number Of Forward Gears | 4 |
| Number Of Reverse Gears | 3 |
| Max Speed - Forward | 22.3 mph |
| Differential Lock | F: LSD / R: LSD |
| Hydraulic System | |
| Pump Flow Capacity | 35.4 gpm |
| Pump Type | Piston |
| Hydraulic Cycle Times (Unloaded) | |
| Total Cycle Time | 10.5 sec |
| Performance | |
| Tipping Load | 15,992 lb |
| Brakes | |
| Service Brake | Wet Multi Disc |
| Additional specifications | |
| Ground Clearance | 1.24 ft |
| Operating Weight | 22,855 lb |
| Transmission Type | Powershift |
| Steering Arrangement | Articulation [source] |
| Interim Power And Engine Boundary | CCE201311521F: F4HFE413J Tier4Interim; maximum mode123hp rated2000rpm versus131hp peak, standard106hp rated/118hp peak, economy76hp rated/101hp peak. EarlierF4HFE413NB/1800rpm catalogue separate; match engine/emissions plate. [source] |
621D
| Specification | Source figure |
|---|---|
| Bucket | |
| Dump Clearance At Max Raise | 9.21 ft |
| Bucket Capacity - Heaped | 3 yd3 |
| Bucket Capacity - Struck | 2.57 yd3 |
| Breakout Force | 23,237 lb |
| Dimensions and weight | |
| Width Over Tires | 7.82 ft |
| Height To Top Of Cab | 10.85 ft |
| Wheelbase | 9.52 ft |
| Hinge Pin - Max Height | 12.59 ft |
| Reach At Max Lift And Dump | 3.33 ft |
| Engine | |
| Number Of Cylinders | 6 |
| Engine Model | Family III 668TA/M2 |
| Net Power | 136 hp |
| Gross Power | 148 hp |
| Power Measured @ | 2,000 rpm |
| Max Torque | 495 lb-ft |
| Displacement | 409 cu in |
| Torque Measured @ | 1,200 rpm |
| Aspiration | turbocharged and air to air cooled |
| Torque Rise | 33 % |
| Operational | |
| Fuel Capacity | 50 gal |
| Hydraulic System Fluid Capacity | 30.1 gal |
| Engine Oil Fluid Capacity | 4.3 gal |
| Cooling System Fluid Capacity | 6.4 gal |
| Transmission Fluid Capacity | 5 gal |
| Front Axle/Diff Fluid Capacity | 5.9 gal |
| Rear Axle/Diff Fluid Capacity | 5.9 gal |
| Static Tipping Weight | 22,434 lb |
| Turning Radius | 17 ft |
| Operating Voltage | 24 V |
| Alternator Supplied Amperage | 70 amps |
| Rear Axle Oscillation | 24 degrees |
| Transmission and speeds | |
| Number Of Forward Gears | 4 |
| Number Of Reverse Gears | 3 |
| Max Speed - Forward | 24 mph |
| Max Speed - Reverse | 15.6 mph |
| Hydraulic System | |
| Relief Valve Setting | 3,600 psi |
| Pump Flow Capacity | 45.2 gpm |
| Raise Time | 5.4 sec |
| Dump Time | 1.5 sec |
| Lower Time | 5 sec |
| Pump Type | closed centered pressure/flow compensated |
| Additional specifications | |
| Bucket Width | 8.54 ft |
| Ground Clearance | 1.56 ft |
| Length With Bucket On Ground | 23.09 ft |
| Operating Weight | 26,083 lb |
| Tire Size | 20.5x25 L3 |
| Transmission Type | 4F/3R proportional w/ electronic control module torque sensing autoshift/manual shift and modulation |
| European Engine And Hydraulic Boundary | OriginalFeb2005 EuropeanDsheet:6TAA6802 six-cylinder6.8L;101kW netCEE 80/1269 versus110kW grossSAE J1995;171L/min/250bar. Standard,XR andXT loader geometries have separate bucket/weight columns. [source] |
621DXR
| Specification | Source figure |
|---|---|
| Bucket | |
| Dump Clearance At Max Raise | 10.61 ft |
| Bucket Capacity - Heaped | 3 yd3 |
| Bucket Capacity - Struck | 2.57 yd3 |
| Breakout Force | 23,936 lb |
| Dimensions and weight | |
| Width Over Tires | 7.82 ft |
| Height To Top Of Cab | 10.85 ft |
| Wheelbase | 9.52 ft |
| Hinge Pin - Max Height | 13.98 ft |
| Reach At Max Lift And Dump | 3.34 ft |
| Engine | |
| Number Of Cylinders | 6 |
| Engine Model | Family III 668TA/M2 |
| Net Power | 136 hp |
| Gross Power | 146 hp |
| Power Measured @ | 2,000 rpm |
| Max Torque | 495 lb-ft |
| Displacement | 409 cu in |
| Torque Measured @ | 1,200 rpm |
| Aspiration | turbocharged and air to air cooled |
| Torque Rise | 33 % |
| Operational | |
| Fuel Capacity | 50 gal |
| Hydraulic System Fluid Capacity | 30.1 gal |
| Engine Oil Fluid Capacity | 4.3 gal |
| Cooling System Fluid Capacity | 6.4 gal |
| Transmission Fluid Capacity | 5 gal |
| Front Axle/Diff Fluid Capacity | 5.9 gal |
| Rear Axle/Diff Fluid Capacity | 5.9 gal |
| Static Tipping Weight | 18,389 lb |
| Turning Radius | 17 ft |
| Operating Voltage | 24 V |
| Alternator Supplied Amperage | 70 amps |
| Rear Axle Oscillation | 24 degrees |
| Transmission and speeds | |
| Number Of Forward Gears | 4 |
| Number Of Reverse Gears | 3 |
| Max Speed - Forward | 24 mph |
| Max Speed - Reverse | 15.6 mph |
| Hydraulic System | |
| Relief Valve Setting | 3,600 psi |
| Pump Flow Capacity | 45.2 gpm |
| Raise Time | 5.4 sec |
| Dump Time | 1.5 sec |
| Lower Time | 5 sec |
| Pump Type | closed centered pressure/flow compensated |
| Additional specifications | |
| Bucket Width | 8.54 ft |
| Ground Clearance | 1.56 ft |
| Length With Bucket On Ground | 24.43 ft |
| Operating Weight | 26,364 lb |
| Tire Size | 20.5x25 L3 |
| Transmission Type | 4F/3R proportional w/ electronic control module torque sensing autoshift/manual shift and modulation |
621DXT
| Specification | Source figure |
|---|---|
| Bucket | |
| Dump Clearance At Max Raise | 9.44 ft |
| Bucket Capacity - Struck | 2.5 yd3 |
| Breakout Force | 26,739 lb |
| Dimensions and weight | |
| Width Over Tires | 7.82 ft |
| Height To Top Of Cab | 10.85 ft |
| Wheelbase | 9.52 ft |
| Hinge Pin - Max Height | 13 ft |
| Reach At Max Lift And Dump | 3.75 ft |
| Engine | |
| Number Of Cylinders | 6 |
| Engine Model | 668TA/M2 |
| Net Power | 136 hp |
| Gross Power | 148 hp |
| Power Measured @ | 2,000 rpm |
| Max Torque | 509 lb-ft |
| Displacement | 409 cu in |
| Torque Measured @ | 1,200 rpm |
| Aspiration | Turbocharged with Aftercooler |
| Torque Rise | 33 % |
| Operational | |
| Fuel Capacity | 50 gal |
| Hydraulic System Fluid Capacity | 30 gal |
| Engine Oil Fluid Capacity | 4.3 gal |
| Cooling System Fluid Capacity | 6.3 gal |
| Transmission Fluid Capacity | 5 gal |
| Front Axle/Diff Fluid Capacity | 5.9 gal |
| Rear Axle/Diff Fluid Capacity | 5.9 gal |
| Static Tipping Weight | 20,318 lb |
| Turning Radius | 17 ft |
| Operating Voltage | 24 V |
| Alternator Supplied Amperage | 70 amps |
| Rear Axle Oscillation | 24 degrees |
| Transmission and speeds | |
| Number Of Forward Gears | 4 |
| Number Of Reverse Gears | 3 |
| Max Speed - Forward | 24 mph |
| Max Speed - Reverse | 15.6 mph |
| Hydraulic System | |
| Relief Valve Setting | 3,625 psi |
| Pump Flow Capacity | 45.2 gpm |
| Raise Time | 5.4 sec |
| Dump Time | 1.7 sec |
| Lower Time | 4.4 sec |
| Pump Type | closed centered variable displacement |
| Additional specifications | |
| Ground Clearance | 1.56 ft |
| Length With Bucket On Ground | 23.37 ft |
| Operating Weight | 27,877 lb |
| Tire Size | 20.5x25 |
Compare CASE 521D, 521DXT, 521E, 521EXR, 521EXT, 521F, 621D, 621DXR, 621DXT
| Specification | 521D | 521DXT | 521E | 521EXR | 521EXT | 521F | 621D | 621DXR | 621DXT |
|---|---|---|---|---|---|---|---|---|---|
| Ground Clearance | 1.24 ft | 1.24 ft | 1.24 ft | 1.24 ft | 1.24 ft | 1.24 ft | 1.56 ft | 1.56 ft | 1.56 ft |
| Width Over Tires | 7.58 ft | 7.58 ft | 8.17 ft | 8.17 ft | 8.17 ft | 8.17 ft | 7.82 ft | 7.82 ft | 7.82 ft |
| Height To Top Of Cab | 10.41 ft | 10.41 ft | 10.76 ft | 10.76 ft | 10.76 ft | 10.76 ft | 10.85 ft | 10.85 ft | 10.85 ft |
| Wheelbase | 9.03 ft | 9.03 ft | 9.03 ft | 9.03 ft | 9.03 ft | 9.03 ft | 9.52 ft | 9.52 ft | 9.52 ft |
| Hinge Pin - Max Height | 11.82 ft | 12.27 ft | 11.84 ft | 13.09 ft | 12.29 ft | 11.85 ft | 12.59 ft | 13.98 ft | 13 ft |
| Reach At Max Lift And Dump | 3.47 ft | 3.69 ft | 3.16 ft | 3.08 ft | 3.67 ft | 4.67 ft | 3.33 ft | 3.34 ft | 3.75 ft |
| Specification | 521D | 521DXT | 521E | 521EXR | 521EXT | 521F | 621D | 621DXR | 621DXT |
|---|---|---|---|---|---|---|---|---|---|
| Number Of Cylinders | 4 | 4 | 4 | 4 | 4 | 4 | 6 | 6 | 6 |
| Engine Model | Family III 445TA/M2, Tier II certified | Family III 445TA/M2, Tier II certified | 445TA/EGE | 445TA/EGE | 445TA/EGE | FPT F4HFE413NB | Family III 668TA/M2 | Family III 668TA/M2 | 668TA/M2 |
| Net Power | 110 hp | 110 hp | 118 hp | 118 hp | 118 hp | 131 hp | 136 hp | 136 hp | 136 hp |
| Gross Power | 119 hp | 119 hp | 129 hp | 129 hp | 129 hp | 142 hp | 148 hp | 146 hp | 148 hp |
| Max Torque | 336 lb-ft | 336 lb-ft | 407 lb-ft | 407 lb-ft | 407 lb-ft | 448.5 lb-ft | 495 lb-ft | 495 lb-ft | 509 lb-ft |
| Displacement | 275 cu in | 275 cu in | 274 cu in | 274 cu in | 274 cu in | 274.7 cu in | 409 cu in | 409 cu in | 409 cu in |
| Torque Rise | 14 % | 14 % | 19 % | 19 % | 19 % | 21 % | 33 % | 33 % | 33 % |
| Specification | 521D | 521DXT | 521E | 521EXR | 521EXT | 521F | 621D | 621DXR | 621DXT |
|---|---|---|---|---|---|---|---|---|---|
| Operating Weight | 22,109 lb | 23,938 lb | 23,069 lb | 23,442 lb | 26,861 lb | 22,855 lb | 26,083 lb | 26,364 lb | 27,877 lb |
| Fuel Capacity | 50 gal | 50 gal | 50 gal | 50 gal | 50 gal | 50 gal | 50 gal | 50 gal | 50 gal |
| Cooling System Fluid Capacity | 5.8 gal | 5.8 gal | 5.9 gal | 5.9 gal | 5.9 gal | 5.9 gal | 6.4 gal | 6.4 gal | 6.3 gal |
| Transmission Fluid Capacity | 5 gal | 5 gal | 5 gal | 5 gal | 5 gal | 5 gal | 5 gal | 5 gal | 5 gal |
| Front Axle/Diff Fluid Capacity | 5.9 gal | 5.9 gal | 5.7 gal | 5.7 gal | 5.7 gal | 5.9 gal | 5.9 gal | 5.9 gal | 5.9 gal |
| Rear Axle/Diff Fluid Capacity | 5.9 gal | 5.9 gal | 5.7 gal | 5.7 gal | 5.7 gal | 5.9 gal | 5.9 gal | 5.9 gal | 5.9 gal |
| Operating Voltage | 24 V | 24 V | 24 V | 24 V | 24 V | 24 V | 24 V | 24 V | 24 V |
| Rear Axle Oscillation | 24 degrees | 24 degrees | 24 degrees | 24 degrees | 24 degrees | 24 degrees | 24 degrees | 24 degrees | 24 degrees |
| Specification | 521D | 521DXT | 521E | 521EXR | 521EXT | 521F | 621D | 621DXR | 621DXT |
|---|---|---|---|---|---|---|---|---|---|
| Number Of Forward Gears | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Number Of Reverse Gears | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Max Speed - Forward | 23.4 mph | 23.4 mph | 22.3 mph | 22.3 mph | 22.3 mph | 22.3 mph | 24 mph | 24 mph | 24 mph |
| Specification | 521D | 521DXT | 521E | 521EXR | 521EXT | 521F | 621D | 621DXR | 621DXT |
|---|---|---|---|---|---|---|---|---|---|
| Pump Flow Capacity | 35.4 gpm | 35.4 gpm | 35.4 gpm | 35.4 gpm | 35.4 gpm | 35.4 gpm | 45.2 gpm | 45.2 gpm | 45.2 gpm |
More in CASE: 621FXT–821B, 621B–621CXR, 621G–921G.