Machine models

CASE 621B to 621CXR specifications

Entries in this reference
Listing-entry count
5

Short answer

CASE 621B to 621CXR: wheel loaders.

Selected configuration figures
Configuration	Documented field and quantity
621B	Net Power 116 hp Operating Weight 27,249 lb
621BXT	Net Power 126 hp Implement Pump Flow Ps 56.4 gpm
621C	Net Power 130 hp Operating Weight 26,714 lb
621C XT	Net Power 130.1 hp Operating Weight 28,810 lb
621CXR	Net Power 130 hp Operating Weight 27,091 lb

621B to 621CXR specification matrix — Listing labels reported by the source
Publisher name	Source guide	Listing-entry count	Labels named by the source
CASE	621B to 621CXR	5	621B, 621BXT, 621C, 621C XT, and 621CXR

Bucket
Specification	621B	621C	621C XT	621CXR
Breakout Force	23,650 lb	25,100 lb	27,809 lb	25,002 lb

Specification	621B	621BXT	621C	621C XT	621CXR
Bucket Capacity - Heaped	2.23 yd3	2.97 yd3	2.32 yd3	2.36 yd3	2.32 yd3
Bucket Capacity - Struck	1.84 yd3	2.54 yd3	1.98 yd3	1.97 yd3	1.98 yd3
Bucket Width	8.21 ft	8.59 ft	8.34 ft	8.34 ft	8.34 ft

Specification	621BXT	621C	621CXR
Dump Clearance At Max Raise	9.9 ft	9.55 ft	10.47 ft

Dimensions and weight
Specification	621B	621C	621C XT	621CXR
Ground Clearance	1.38 ft	1.4 ft	1.4 ft	1.4 ft

Specification	621B	621C	621CXR
Length With Bucket On Ground	22.41 ft	22.22 ft	22.97 ft

Specification	621B	621BXT	621C	621C XT	621CXR
Width Over Tires	7.91 ft	8 ft	7.98 ft	7.98 ft	7.98 ft
Height To Top Of Cab	10.67 ft	10.8 ft	10.7 ft	10.7 ft	10.7 ft
Wheelbase	9.52 ft	9.5 ft	9.52 ft	9.52 ft	9.52 ft

Specification	621BXT	621C	621C XT	621CXR
Hinge Pin - Max Height	12.8 ft	12.14 ft	12.7 ft	13.06 ft

Specification	621C	621CXR
Reach At Max Lift And Dump	3.15 ft	3 ft

Engine
Specification	621B	621C	621C XT	621CXR
Number Of Cylinders	6	6	6	6
Aspiration	Turbocharged	turbocharged	Turbocharged	turbocharged

Specification	621B
Max Torque ISO Tr14396	404.1 lb-ft

Specification	621B	621BXT	621C	621C XT	621CXR
Engine Model	6T-590	6T 590	6T-590	6T-590	6T-590
Net Power	116 hp	126 hp	130 hp	130.1 hp	130 hp
Gross Power	128 hp	138 hp	139 hp	139.5 hp	139 hp
Power Measured @	2,200 rpm	2,200 rpm	2,000 rpm	2,000 rpm	2,000 rpm
Displacement	359 cu in	3.6 cu in	359 cu in	359.1 cu in	359 cu in
Torque Measured @	1,400 rpm	1,400 rpm	1,400 rpm	1,400 rpm	1,400 rpm

Specification	621B	621BXT	621C XT
Bore	4.1 in	4.1 in	4.1 in
Stroke	4.8 in	4.8 in	4.8 in

Specification	621BXT	621C	621CXR
Max Torque	443 lb-ft	413 lb-ft	413 lb-ft

Specification	621C	621C XT	621CXR
Torque Rise	31 %	31 %	31 %

Specification	621C XT
Compression Ratio	17.5:1
Torque	424.8 lb-ft

Operational
Specification	621B	621BXT	621C	621C XT	621CXR
Operating Weight	27,249 lb	58,178 lb	26,714 lb	28,810 lb	27,091 lb
Fuel Capacity	51 gal	51 gal	51 gal	51 gal	51 gal
Engine Oil Fluid Capacity	4 gal	3.8 gal	4 gal	4 gal	4 gal
Transmission Fluid Capacity	5.1 gal	5 gal	2 gal	2 gal	2 gal
Front Axle/Diff Fluid Capacity	2.6 gal	5.5 gal	5.5 gal	2.6 gal	5.5 gal
Rear Axle/Diff Fluid Capacity	2.6 gal	5.5 gal	5.5 gal	2.6 gal	5.5 gal

Specification	621B	621C	621C XT	621CXR
Hydraulic System Fluid Capacity	40.5 gal	40.5 gal	40.5 gal	40.5 gal
Operating Voltage	24 V	24 V	12 V	24 V
Alternator Supplied Amperage	65 amps	65 amps	65 amps	65 amps
Tire Size	20.5 R25	20.5-25 L3	20.5 R25	20.5-25 L3

Specification	621BXT	621C	621C XT	621CXR
Cooling System Fluid Capacity	7 gal	7.1 gal	6.9 gal	7.1 gal

Specification	621C	621CXR
Static Tipping Weight	20,697 lb	18,479 lb
Rear Axle Oscillation	24 degrees	24 degrees

Specification	621C	621C XT	621CXR
Turning Radius	17.1 ft	17.1 ft	17.1 ft

Transmission and speeds
Specification	621B	621C	621C XT	621CXR
Transmission Type	Mechanical	4F/3R proportional w/ electronic control module torque sensing autoshift/manual shift and modulation	Mechanical w/ electronic control	4F/3R proportional w/ electronic control module torque sensing autoshift/manual shift and modulation

Specification	621B	621BXT	621C	621C XT	621CXR
Number Of Forward Gears	4	4	4	4	4
Number Of Reverse Gears	3	3	3	3	3

Specification	621B	621BXT	621C	621CXR
Max Speed - Forward	18.8 mph	20.6 mph	23.3 mph	23.3 mph
Max Speed - Reverse	13.7 mph	15 mph	15.5 mph	15.5 mph

Hydraulic System
Specification	621B	621BXT	621C	621C XT	621CXR
Raise Time	5.7 sec	5.7 sec	5.4 sec	5.4 sec	5.4 sec
Dump Time	1.5 sec	1.7 sec	1.5 sec	1.7 sec	1.5 sec
Lower Time	4.4 sec	5 sec	5 sec	4.4 sec	5 sec

Specification	621BXT
Implement Pump Flow Ps	56.4 gpm
Steering System Relief Valve Setting	2,550 psi

Specification	621C	621CXR
Relief Valve Setting	2,250 psi	2,250 psi
Pump Type	dual, vane-type tandem	dual, vane-type tandem

Specification	621C	621C XT	621CXR
Pump Flow Capacity	18.6 gpm	61.6 gpm	18.6 gpm

Variants — Source comparison annotation
Source guide	Differing-field count reported
621B to 621CXR	50

Ratios
Figure	621B	621BXT	621C	621C XT	621CXR
Engine horsepower per 1,000 lb of weight	4.3	2.2	4.9	4.5	4.8
Fuel tank per engine horsepower	0.44 gal	0.40 gal	0.39 gal	0.39 gal	0.39 gal

Figure	621C	621C XT	621CXR
Pump flow per engine horsepower	0.14 gpm	0.47 gpm	0.14 gpm

621B to 621CXR: owner reports

Sources: 3 forum discussions about the Case 621 wheel loaders (621B, 621C); heavyequipmentforums.com.

CASE: No forward or reverse, and a blank cluster.

621B to 621CXR: forum references — Forum-title search
Forum index	Equipment class queried	Names in the search	Matching titles
Heavy Equipment Forums	wheel loader	CASE and the 621 line that the 621B, 621BXT, 621C, 621C XT belongs to (no title names the exact model)	91

Topics named by those titles
Title topic	Titles
brakes and steering	13
hydraulics	9
transmission and drive	8

Topic in the title	Threads	Share of matching threads
brakes and steering	13	14%
hydraulics	9	10%
transmission and drive	8	9%
electrical and sensors	3	3%

Case 621b Sudden Loss Of All Gears I%E2%80%99m AT My Wits End (Heavy Equipment Forums, 2026-07-30)
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)

Used market for the 621B to 621CXR — Dated first-page listing snapshot
Observation date	Listing source	Equipment search	Listings
2026-09-24	MachineryTrader	CASE wheel loader	24

Model	Listed	Model years	Lowest asking	Highest asking	Median asking	Median hours
621B	18	1993 to 1999	$8,950	$45,000	$20,450	9,095
621C	5	1999 to 2003	$12,900	$28,000	$19,225	2,096
621C XT	1	1999	None shown	None shown	None shown	None shown

621B to 621CXR: recall reference — Dated CPSC search
Search date	Database	Names queried	Search result
2026-09-24	U.S. Consumer Product Safety Commission	CASE together with the wheel loader 621B, 621BXT, 621C, 621C XT	No matching recall in this search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: CASE 621B — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: CASE 621BXT — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: CASE 621C — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: CASE 621C XT — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: CASE 621CXR — RitchieSpecs. Observed 2026-09-24.
Forum threads	Forum threads: Heavy Equipment Forums thread index for CASE 621B to 621CXR — Heavy Equipment Forums. Observed 2026-09-24.
Forum threads	Forum threads: Forum threads read for the Case 621 wheel loaders (621B, 621C) — Heavyequipmentforums. Observed 2026-09-24.
Used-market listings	Used-market listings: MachineryTrader listings for CASE 621B — MachineryTrader. Observed 2026-09-24.
Federal agency data	Federal agency data: Recall database search for CASE — U.S. Consumer Product Safety Commission. Observed 2026-09-24.

CASE 621B to 621CXR: Configuration records

621B

Specification	Source figure
Bucket
Bucket Capacity - Heaped	2.23 yd3
Bucket Capacity - Struck	1.84 yd3
Breakout Force	23,650 lb
Dimensions and weight
Width Over Tires	7.91 ft
Height To Top Of Cab	10.67 ft
Wheelbase	9.52 ft
Engine
Number Of Cylinders	6
Engine Model	6T-590
Net Power	116 hp
Gross Power	128 hp
Power Measured @	2,200 rpm
Displacement	359 cu in
Torque Measured @	1,400 rpm
Bore	4.1 in
Stroke	4.8 in
Max Torque ISO Tr14396	404.1 lb-ft
Aspiration	Turbocharged
Operational
Fuel Capacity	51 gal
Hydraulic System Fluid Capacity	40.5 gal
Engine Oil Fluid Capacity	4 gal
Front Axle/Diff Fluid Capacity	2.6 gal
Rear Axle/Diff Fluid Capacity	2.6 gal
Operating Voltage	24 V
Alternator Supplied Amperage	65 amps
Transmission Fluid Capacity	5.1 gal
Transmission and speeds
Number Of Forward Gears	4
Number Of Reverse Gears	3
Max Speed - Forward	18.8 mph
Max Speed - Reverse	13.7 mph
Hydraulic System
Raise Time	5.7 sec
Dump Time	1.5 sec
Lower Time	4.4 sec
Additional specifications
Bucket Width	8.21 ft
Ground Clearance	1.38 ft
Length With Bucket On Ground	22.41 ft
Operating Weight	27,249 lb
Tire Size	20.5 R25
Transmission Type	Mechanical

Source

621BXT

Specification	Source figure
Bucket
Dump Clearance At Max Raise	9.9 ft
Bucket Capacity - Heaped	2.97 yd3
Bucket Capacity - Struck	2.54 yd3
Dimensions and weight
Width Over Tires	8 ft
Height To Top Of Cab	10.8 ft
Wheelbase	9.5 ft
Hinge Pin - Max Height	12.8 ft
Engine
Engine Model	6T 590
Net Power	126 hp
Gross Power	138 hp
Power Measured @	2,200 rpm
Max Torque	443 lb-ft
Displacement	3.6 cu in
Torque Measured @	1,400 rpm
Bore	4.1 in
Stroke	4.8 in
Operational
Fuel Capacity	51 gal
Engine Oil Fluid Capacity	3.8 gal
Cooling System Fluid Capacity	7 gal
Front Axle/Diff Fluid Capacity	5.5 gal
Rear Axle/Diff Fluid Capacity	5.5 gal
Transmission Fluid Capacity	5 gal
Transmission and speeds
Number Of Forward Gears	4
Number Of Reverse Gears	3
Max Speed - Forward	20.6 mph
Max Speed - Reverse	15 mph
Hydraulic System
Raise Time	5.7 sec
Dump Time	1.7 sec
Lower Time	5 sec
Implement Pump Flow Ps	56.4 gpm
Steering System Relief Valve Setting	2,550 psi
Additional specifications
Bucket Width	8.59 ft

Source

621C

Specification	Source figure
Bucket
Dump Clearance At Max Raise	9.55 ft
Bucket Capacity - Heaped	2.32 yd3
Bucket Capacity - Struck	1.98 yd3
Breakout Force	25,100 lb
Dimensions and weight
Width Over Tires	7.98 ft
Height To Top Of Cab	10.7 ft
Wheelbase	9.52 ft
Hinge Pin - Max Height	12.14 ft
Reach At Max Lift And Dump	3.15 ft
Engine
Number Of Cylinders	6
Engine Model	6T-590
Net Power	130 hp
Gross Power	139 hp
Power Measured @	2,000 rpm
Max Torque	413 lb-ft
Displacement	359 cu in
Torque Measured @	1,400 rpm
Torque Rise	31 %
Aspiration	turbocharged
Operational
Fuel Capacity	51 gal
Hydraulic System Fluid Capacity	40.5 gal
Engine Oil Fluid Capacity	4 gal
Cooling System Fluid Capacity	7.1 gal
Front Axle/Diff Fluid Capacity	5.5 gal
Rear Axle/Diff Fluid Capacity	5.5 gal
Static Tipping Weight	20,697 lb
Turning Radius	17.1 ft
Operating Voltage	24 V
Alternator Supplied Amperage	65 amps
Rear Axle Oscillation	24 degrees
Transmission Fluid Capacity	2 gal
Transmission and speeds
Number Of Forward Gears	4
Number Of Reverse Gears	3
Max Speed - Forward	23.3 mph
Max Speed - Reverse	15.5 mph
Hydraulic System
Relief Valve Setting	2,250 psi
Pump Flow Capacity	18.6 gpm
Raise Time	5.4 sec
Dump Time	1.5 sec
Lower Time	5 sec
Pump Type	dual, vane-type tandem
Additional specifications
Bucket Width	8.34 ft
Ground Clearance	1.4 ft
Length With Bucket On Ground	22.22 ft
Operating Weight	26,714 lb
Tire Size	20.5-25 L3
Transmission Type	4F/3R proportional w/ electronic control module torque sensing autoshift/manual shift and modulation

Source

621C XT

Specification	Source figure
Bucket
Bucket Capacity - Heaped	2.36 yd3
Bucket Capacity - Struck	1.97 yd3
Breakout Force	27,809 lb
Dimensions and weight
Width Over Tires	7.98 ft
Height To Top Of Cab	10.7 ft
Wheelbase	9.52 ft
Hinge Pin - Max Height	12.7 ft
Engine
Number Of Cylinders	6
Engine Model	6T-590
Net Power	130.1 hp
Gross Power	139.5 hp
Power Measured @	2,000 rpm
Displacement	359.1 cu in
Torque Measured @	1,400 rpm
Torque Rise	31 %
Bore	4.1 in
Stroke	4.8 in
Aspiration	Turbocharged
Compression Ratio	17.5:1
Torque	424.8 lb-ft
Operational
Fuel Capacity	51 gal
Hydraulic System Fluid Capacity	40.5 gal
Engine Oil Fluid Capacity	4 gal
Cooling System Fluid Capacity	6.9 gal
Front Axle/Diff Fluid Capacity	2.6 gal
Rear Axle/Diff Fluid Capacity	2.6 gal
Turning Radius	17.1 ft
Operating Voltage	12 V
Alternator Supplied Amperage	65 amps
Transmission Fluid Capacity	2 gal
Transmission and speeds
Number Of Forward Gears	4
Number Of Reverse Gears	3
Hydraulic System
Pump Flow Capacity	61.6 gpm
Raise Time	5.4 sec
Dump Time	1.7 sec
Lower Time	4.4 sec
Additional specifications
Bucket Width	8.34 ft
Ground Clearance	1.4 ft
Operating Weight	28,810 lb
Tire Size	20.5 R25
Transmission Type	Mechanical w/ electronic control

Source

621CXR

Specification	Source figure
Bucket
Dump Clearance At Max Raise	10.47 ft
Bucket Capacity - Heaped	2.32 yd3
Bucket Capacity - Struck	1.98 yd3
Breakout Force	25,002 lb
Dimensions and weight
Width Over Tires	7.98 ft
Height To Top Of Cab	10.7 ft
Wheelbase	9.52 ft
Hinge Pin - Max Height	13.06 ft
Reach At Max Lift And Dump	3 ft
Engine
Number Of Cylinders	6
Engine Model	6T-590
Net Power	130 hp
Gross Power	139 hp
Power Measured @	2,000 rpm
Max Torque	413 lb-ft
Displacement	359 cu in
Torque Measured @	1,400 rpm
Torque Rise	31 %
Aspiration	turbocharged
Operational
Fuel Capacity	51 gal
Hydraulic System Fluid Capacity	40.5 gal
Engine Oil Fluid Capacity	4 gal
Cooling System Fluid Capacity	7.1 gal
Front Axle/Diff Fluid Capacity	5.5 gal
Rear Axle/Diff Fluid Capacity	5.5 gal
Static Tipping Weight	18,479 lb
Turning Radius	17.1 ft
Operating Voltage	24 V
Alternator Supplied Amperage	65 amps
Rear Axle Oscillation	24 degrees
Transmission Fluid Capacity	2 gal
Transmission and speeds
Number Of Forward Gears	4
Number Of Reverse Gears	3
Max Speed - Forward	23.3 mph
Max Speed - Reverse	15.5 mph
Hydraulic System
Relief Valve Setting	2,250 psi
Pump Flow Capacity	18.6 gpm
Raise Time	5.4 sec
Dump Time	1.5 sec
Lower Time	5 sec
Pump Type	dual, vane-type tandem
Additional specifications
Bucket Width	8.34 ft
Ground Clearance	1.4 ft
Length With Bucket On Ground	22.97 ft
Operating Weight	27,091 lb
Tire Size	20.5-25 L3
Transmission Type	4F/3R proportional w/ electronic control module torque sensing autoshift/manual shift and modulation

Source

Compare CASE 621B, 621BXT, 621C, 621C XT, 621CXR

Bucket
Specification	621B	621BXT	621C	621C XT	621CXR
Bucket Capacity - Heaped	2.23 yd3	2.97 yd3	2.32 yd3	2.36 yd3	2.32 yd3
Bucket Capacity - Struck	1.84 yd3	2.54 yd3	1.98 yd3	1.97 yd3	1.98 yd3
Bucket Width	8.21 ft	8.59 ft	8.34 ft	8.34 ft	8.34 ft

Dimensions and weight
Specification	621B	621BXT	621C	621C XT	621CXR
Width Over Tires	7.91 ft	8 ft	7.98 ft	7.98 ft	7.98 ft
Height To Top Of Cab	10.67 ft	10.8 ft	10.7 ft	10.7 ft	10.7 ft
Wheelbase	9.52 ft	9.5 ft	9.52 ft	9.52 ft	9.52 ft

Engine
Specification	621B	621BXT	621C	621C XT	621CXR
Engine Model	6T-590	6T 590	6T-590	6T-590	6T-590
Net Power	116 hp	126 hp	130 hp	130.1 hp	130 hp
Gross Power	128 hp	138 hp	139 hp	139.5 hp	139 hp
Power Measured @	2,200 rpm	2,200 rpm	2,000 rpm	2,000 rpm	2,000 rpm
Displacement	359 cu in	3.6 cu in	359 cu in	359.1 cu in	359 cu in
Torque Measured @	1,400 rpm	1,400 rpm	1,400 rpm	1,400 rpm	1,400 rpm

Operational
Specification	621B	621BXT	621C	621C XT	621CXR
Fuel Capacity	51 gal	51 gal	51 gal	51 gal	51 gal
Engine Oil Fluid Capacity	4 gal	3.8 gal	4 gal	4 gal	4 gal
Transmission Fluid Capacity	5.1 gal	5 gal	2 gal	2 gal	2 gal
Front Axle/Diff Fluid Capacity	2.6 gal	5.5 gal	5.5 gal	2.6 gal	5.5 gal
Rear Axle/Diff Fluid Capacity	2.6 gal	5.5 gal	5.5 gal	2.6 gal	5.5 gal

Transmission and speeds
Specification	621B	621BXT	621C	621C XT	621CXR
Number Of Forward Gears	4	4	4	4	4
Number Of Reverse Gears	3	3	3	3	3

Hydraulic System
Specification	621B	621BXT	621C	621C XT	621CXR
Raise Time	5.7 sec	5.7 sec	5.4 sec	5.4 sec	5.4 sec
Dump Time	1.5 sec	1.7 sec	1.5 sec	1.7 sec	1.5 sec
Lower Time	4.4 sec	5 sec	5 sec	4.4 sec	5 sec

More in CASE: 521D–621DXT: linkage/cooling/521F edition differences, 421G/521G: hydrostatic drive/powershift/loader fronts, 621FXT–821B.

CASE 621B to 621CXR specifications

621B to 621CXR: owner reports

Sources for this page

CASE 621B to 621CXR: Configuration records