Nominal Payload Class (100%)42.1ton (US)
Top Speed - Loaded45.8mile/h
Target Payload (100%)42.1ton (US)
Maximum Working Payload (110%)46.3ton (US)
Maximum Allowable Payload (120%)*50.5ton (US)
Body Capacity - SAE 2:132.9yd³
Note (1)*Refer to Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations.
Note (2)Target payload and capacity based on Dual Slope body with no liner. Attachment selection will affect payload and maximum gross machine operating weight.
Engine ModelCat® C15
Rated Engine Speed1700r/min
Gross Power - SAE J1995515HP
Net Power - SAE J1349477HP
Net Power - ISO 9249477HP
Net Power - 80/1269/EEC489HP
Net Power - ISO 14396508HP
Net Torque - SAE J13491834ft·lbf
Number of Cylinders6
Bore5.4in
Stroke6.7in
Displacement927.6in³
Note (1)Power rating applies at 1,700 rpm when tested under the specified condition for the specified standard.
Note (2)Ratings based on SAE J1995 standard air conditions of 25° C (77° F) and 100 kPa (29.61 Hg) barometer. Power based on fuel having API gravity of 35 at 16° C (60° F) and an LHV of 42 780 kJ/kg (18,390 BTU/lb) when engine used at 30° C (86° F).
Note (3)No engine derating required up to 3000 m (9,843 ft) altitude.
Note (4)Meets Japan Small Volume Exemption.
EmissionsMeets U.S. EPA Tier 4 and EU Stage V emission standards.
Target Gross Machine Operating Weight157000lb
Target Gross Machine Weight157000lb
Chassis Weight55948lb
Body Weight17306lb
Note (1)Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires.
Note (2)Body weight is the standard Dual Slope body with no liner and will vary depending on configuration.
Forward - 17.4mile/h
Forward - 210.1mile/h
Forward - 313.8mile/h
Forward - 418.5mile/h
Forward - 525.1mile/h
Forward - 633.8mile/h
Forward - 745.8mile/h
Reverse8.8mile/h
NoteMaximum travel speeds with standard 18.00R33 (E4) tires.
Differential Ratio1.92:1
Planetary Ratio4.80:1
Total Reduction Ratio9.26:1
Brake Surface - Front216in²
Brake Surface - Rear6235in²
Brake StandardsISO 3450:2011
NoteTarget gross machine operating weight is 71 214 kg (157,000 lb).
Pump Flow - High Idle118gal/min
Relief Valve Setting - Raise2750psi
Relief Valve Setting - Lower500psi
Body Raise Time - High Idle7.5s
Body Lower Time - Float10s
Body Power Down - High Idle10s
Struck23.01yd³
Heaped (SAE 2:1)*32.9yd³
Note (1)Contact your local Cat dealer for body recommendation.
Note (2)*ISO 6483:1980.
Struck23.01yd³
Heaped (SAE 2:1)*32.9yd³
Note (1)Contact your local Cat dealer for body recommendation.
Note (2)*ISO 6483:1980.
Front Axle - Empty49%
Front Axle - Loaded34%
Rear Axle - Empty51%
Rear Axle - Loaded66%
Empty Loaded Cylinder Stroke Front9.2in
Empty Loaded Cylinder Stroke Rear5.9in
Rear axle - Oscillation8.9°
Fuel Tank140gal (US)
Cooling System33gal (US)
Crankcase17gal (US)
Differential - Final Drives47gal (US)
Steering Tank14.5gal (US)
Steering System - Including Tank23gal (US)
Brake/Hoist Hydraulic Tank38gal (US)
Brake Hoist System60gal (US)
Torque Converter - Transmission System17gal (US)
DEF Tank6gal (US)
Steering StandardsISO 5010:2007
Steer Angle40.5°
Turning Diameter - Front57.7ft
Turning Circle - Clearance Diameter66.6ft
NoteTarget gross machine operating weight is 71 214 kg (157,000 lb).
Standard Tire18.00R33 (E4)
Note (1)Productive capabilities of the 770G truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires could be exceeded and, therefore, limit production.
Note (2)Caterpillar recommends the customer evaluates all job conditions and consults the tire manufacturer for proper tire selection.
ROPS StandardsRollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.
FOPS StandardsFalling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria.
Sound Standards (1)Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment.
Sound Standards (2)Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 116 dB(A).
Sound Standards (3)Operator Equivalent Sound Pressure Level is 79 dB(A) & 74 dB(A) with EU sound suppression applied when ISO 6396:2008 is used.
Height - Top of ROPS12.7ft
Overall Body Length26.8ft
Inside Body Length18.5ft
Overall Length28.9ft
Wheel Base13ft
Rear Axle - Tail8.5ft
Ground Clearance1.6ft
Dump Clearance1.7ft
Loading Height - Empty10.3ft
Inside Body Depth - Maximum4.6ft
Overall Height - Body Raised27.1ft
Operating Width15.7ft
Centerline Front Tire Width10.2ft
Engine Guard Clearance1.8ft
Outside Body Width12.9ft
Inside Body Width11.9ft
Front Canopy Height13.5ft
Rear Axle - Clearance1.8ft
Centerline of Rear Dual Tire Width8.3ft
Overall Tire Width12.1ft