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Cat 773E and 775D specifications

Entries in this reference
Listing-entry count
2
Short answer

Cat 773E and 775D: rigid rock trucks.

Selected configuration figures
ConfigurationDocumented field and quantity
773E
Gross Power
710 hp
Overall Length
30.21 ft
775D
Gross Power
725 hp
Overall Length
31.83 ft
773E and 775D specification matrix — Listing labels reported by the source
Publisher nameSource guideListing-entry countLabels named by the source
Cat773E and 775D2773E and 775D
Dimensions and weight
Specification773E775D
Overall Length30.21 ft31.83 ft
Overall Width14.63 ft13.03 ft
Overall Height14.52 ft14.47 ft
Wheelbase13.75 ft13.75 ft
Ground Clearance2.19 ft1.97 ft
Dump Height28.93 ft28.88 ft
Dump Ground Clearance2.19 ft2.17 ft
Dump
Specification773E775D
Load Capacity - Struck34.8 yd341.07 yd3
Load Capacity - Heaped46.04 yd354.28 yd3
Rated Payload119,623 lb139,700 lb
Specification775D
Dump Angle60 degrees
Lower Time12.5 sec
Raise Time9.5 sec
Engine
Specification773E775D
Engine Model3412E3412ETA
Net Power671 hp693 hp
Gross Power710 hp725 hp
Power Measured @2,000 rpm2,000 rpm
Max Torque2,533 lb-ft2,034 lb-ft
Displacement1,649 cu in1,648 cu in
Specification775D
Number Of Cylinders12
AspirationTurbocharged with Aftercooler
Torque Measured @1,200 rpm
Operational
Specification773E775D
Fuel Capacity185 gal185 gal
Cooling System Fluid Capacity40 gal39.9 gal
Engine Oil Capacity18 gal18 gal
Diff And Final Drive Fluid Capacity41 gal41 gal
Steering System Fluid Capacity16 gal15.9 gal
Brake/Hoist System Fluid Capacity81 gal81.2 gal
Tire Size24.00-R35 (E4)24.00-R35
Specification775D
Operating Voltage24 V
Alternator Supplied Amperage50 amps
Transmission and speeds
Specification773E775D
Number Of Gears - Forward77
Number Of Gears - Reverse11
Max Speed41.1 mph40.9 mph
Specification775D
Transmission TypePower shift
Weights
Specification773E775D
Empty Weight66,500 lb95,300 lb
Loaded Weight219,000 lb235,000 lb
Weight Distribution Front - Empty47.3 %47.3 %
Weight Distribution Rear - Empty52.7 %52.7 %
Weight Distribution Front - Loaded33.3 %33.3 %
Weight Distribution Rear - Loaded66.7 %66.7 %
Variants — Source comparison annotation
Source guideDiffering-field count reported
773E and 775D30
Ratios
Figure773E775D
Engine horsepower per 1,000 lb of weight10.17.3
Fuel tank per engine horsepower0.28 gal0.27 gal
Rated payload per cubic yard of heaped body2,598 lb2,574 lb
Reference directory classification
Equipment grouprigid rock truck
773E and 775D: forum references — Forum-title search
Forum indexEquipment class queriedNames in the searchMatching titles
Heavy Equipment Forumsrigid rock truckCat and the 773E. That is too few titles to say what owners mostly ask about, so the most recent are listed instead1
Used market for the 773E and 775D — Dated first-page listing snapshot
Observation dateListing sourceEquipment searchListings
2026-09-24MachineryTraderCat rigid rock truck43
ModelListedModel yearsLowest askingHighest askingMedian askingMedian hours
773E392003 to 2022$80,000$387,035$150,00026,642
775D42000 to 2011$69,000$348,332$208,666None shown
773E and 775D: recall reference — Dated CPSC search
Search dateDatabaseNames queriedSearch result
2026-09-24U.S. Consumer Product Safety CommissionCat together with the rigid rock truck 773E, 775DNo matching recall in this search

Sources for this page

Evidence classDocument, classification and recorded date
Reference site
  • Reference site: Cat 773E — RitchieSpecs. Observed 2026-09-24.
Reference site
  • Reference site: Cat 775D — RitchieSpecs. Observed 2026-09-24.
Forum threads
Used-market listings
Federal agency data

Cat 773E and 775D: Configuration records

773E
SpecificationSource figure
Dimensions and weight
Overall Length30.21 ft
Overall Width14.63 ft
Overall Height14.52 ft
Wheelbase13.75 ft
Dump Height28.93 ft
Dump Ground Clearance2.19 ft
Dump
Load Capacity - Heaped46.04 yd3
Load Capacity - Struck34.8 yd3
Rated Payload119,623 lb
Engine
Gross Power710 hp
Net Power671 hp
Power Measured @2,000 rpm
Displacement1,649 cu in
Engine Model3412E
Max Torque2,533 lb-ft
Operational
Fuel Capacity185 gal
Cooling System Fluid Capacity40 gal
Engine Oil Capacity18 gal
Diff And Final Drive Fluid Capacity41 gal
Steering System Fluid Capacity16 gal
Brake/Hoist System Fluid Capacity81 gal
Tire Size24.00-R35 (E4)
Transmission and speeds
Number Of Gears - Forward7
Number Of Gears - Reverse1
Max Speed41.1 mph
Weights
Empty Weight66,500 lb
Loaded Weight219,000 lb
Weight Distribution Front - Empty47.3 %
Weight Distribution Rear - Empty52.7 %
Weight Distribution Front - Loaded33.3 %
Weight Distribution Rear - Loaded66.7 %
Additional specifications
Ground Clearance2.19 ft

Source

775D
SpecificationSource figure
Dimensions and weight
Overall Length31.83 ft
Overall Width13.03 ft
Overall Height14.47 ft
Wheelbase13.75 ft
Dump Height28.88 ft
Dump Ground Clearance2.17 ft
Dump
Load Capacity - Heaped54.28 yd3
Load Capacity - Struck41.07 yd3
Rated Payload139,700 lb
Dump Angle60 degrees
Engine
Number Of Cylinders12
Gross Power725 hp
Net Power693 hp
Power Measured @2,000 rpm
AspirationTurbocharged with Aftercooler
Displacement1,648 cu in
Engine Model3412ETA
Max Torque2,034 lb-ft
Torque Measured @1,200 rpm
Operational
Fuel Capacity185 gal
Cooling System Fluid Capacity39.9 gal
Engine Oil Capacity18 gal
Diff And Final Drive Fluid Capacity41 gal
Steering System Fluid Capacity15.9 gal
Brake/Hoist System Fluid Capacity81.2 gal
Operating Voltage24 V
Alternator Supplied Amperage50 amps
Tire Size24.00-R35
Transmission and speeds
Transmission TypePower shift
Number Of Gears - Forward7
Number Of Gears - Reverse1
Max Speed40.9 mph
Weights
Empty Weight95,300 lb
Loaded Weight235,000 lb
Weight Distribution Front - Empty47.3 %
Weight Distribution Rear - Empty52.7 %
Weight Distribution Front - Loaded33.3 %
Weight Distribution Rear - Loaded66.7 %
Additional specifications
Ground Clearance1.97 ft
Lower Time12.5 sec
Raise Time9.5 sec

Source

Compare Cat 773E, 775D
Dimensions and weight
Specification773E775D
Overall Length30.21 ft31.83 ft
Overall Width14.63 ft13.03 ft
Overall Height14.52 ft14.47 ft
Wheelbase13.75 ft13.75 ft
Ground Clearance2.19 ft1.97 ft
Dump Height28.93 ft28.88 ft
Dump Ground Clearance2.19 ft2.17 ft
Dump
Specification773E775D
Load Capacity - Struck34.8 yd341.07 yd3
Load Capacity - Heaped46.04 yd354.28 yd3
Rated Payload119,623 lb139,700 lb
Engine
Specification773E775D
Engine Model3412E3412ETA
Net Power671 hp693 hp
Gross Power710 hp725 hp
Power Measured @2,000 rpm2,000 rpm
Max Torque2,533 lb-ft2,034 lb-ft
Displacement1,649 cu in1,648 cu in
Operational
Specification773E775D
Fuel Capacity185 gal185 gal
Cooling System Fluid Capacity40 gal39.9 gal
Engine Oil Capacity18 gal18 gal
Diff And Final Drive Fluid Capacity41 gal41 gal
Steering System Fluid Capacity16 gal15.9 gal
Brake/Hoist System Fluid Capacity81 gal81.2 gal
Tire Size24.00-R35 (E4)24.00-R35
Transmission and speeds
Specification773E775D
Number Of Gears - Forward77
Number Of Gears - Reverse11
Max Speed41.1 mph40.9 mph
Weights
Specification773E775D
Empty Weight66,500 lb95,300 lb
Loaded Weight219,000 lb235,000 lb
Weight Distribution Front - Empty47.3 %47.3 %
Weight Distribution Rear - Empty52.7 %52.7 %
Weight Distribution Front - Loaded33.3 %33.3 %
Weight Distribution Rear - Loaded66.7 %66.7 %

More in Cat: 773F/775E/775F, 772 Bare Chassis, 773/775/775 Bare Chassis specs.