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770G Off-Highway Truck

770G Off-Highway Truck

Performance and productivity

More Comfort – More Performance – More Versatility

  • Up To 11% Less CO2 Emissions

    The 770G emits up to 11% less CO2 than the previous 770.

Engine

Bore 5.4 in
Displacement 927.6 inÂł
Emissions Meets U.S. EPA Tier 4 and EU Stage V emission standards.
Engine Model Cat® C15
Gross Power - SAE J1995 515 HP
Net Power - 80/1269/EEC 489 HP
Net Power - ISO 14396 508 HP
Net Power - ISO 9249 477 HP
Net Power - SAE J1349 477 HP
Net Torque - SAE J1349 1834 ft·lbf
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.
Number of Cylinders 6
Rated Engine Speed 1700 r/min
Stroke 6.7 in

Weights - Approximate

Body Weight 17306 lb
Chassis Weight 55948 lb
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.
Target Gross Machine Operating Weight 157000 lb
Target Gross Machine Weight 157000 lb

Operating Specifications

Body Capacity - SAE 2:1 32.9 ydÂł
Maximum Allowable Payload (120%)* 50.5 ton (US)
Maximum Working Payload (110%) 46.3 ton (US)
Nominal Payload Class (100%) 42.1 ton (US)
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.
Target Payload (100%) 42.1 ton (US)
Top Speed - Loaded 45.8 mile/h

Transmission

Forward - 1 7.4 mile/h
Forward - 2 10.1 mile/h
Forward - 3 13.8 mile/h
Forward - 4 18.5 mile/h
Forward - 5 25.1 mile/h
Forward - 6 33.8 mile/h
Forward - 7 45.8 mile/h
Note Maximum travel speeds with standard 18.00R33 (E4) tires.
Reverse 8.8 mile/h

Final Drives

Differential Ratio 1.92:1
Planetary Ratio 4.80:1
Total Reduction Ratio 9.26:1

Brakes

Brake Standards ISO 3450:2011
Brake Surface - Front 216 in²
Brake Surface - Rear 6235 in²
Note Target gross machine operating weight is 71 214 kg (157,000 lb).

Body Hoists

Body Lower Time - Float 10 s
Body Power Down - High Idle 10 s
Body Raise Time - High Idle 7.5 s
Pump Flow - High Idle 118 gal/min
Relief Valve Setting - Lower 500 psi
Relief Valve Setting - Raise 2750 psi

Capacity - Dual Slope - 100% Fill Factor

Heaped (SAE 2:1)* 32.9 ydÂł
Note (1) Contact your local Cat dealer for body recommendation.
Note (2) *ISO 6483:1980.
Struck 23.01 ydÂł

Capacity - Flat Floor - 100% Fill Factor

Heaped (SAE 2:1)* 32.9 ydÂł
Note (1) Contact your local Cat dealer for body recommendation.
Note (2) *ISO 6483:1980.
Struck 23.01 ydÂł

Weight Distributions - Approximate

Front Axle - Empty 49 %
Front Axle - Loaded 34 %
Rear Axle - Empty 51 %
Rear Axle - Loaded 66 %

Suspension

Empty Loaded Cylinder Stroke Front 9.2 in
Empty Loaded Cylinder Stroke Rear 5.9 in
Rear axle - Oscillation 8.9 °

Service Refill Capacities

Brake Hoist System 60 gal (US)
Brake/Hoist Hydraulic Tank 38 gal (US)
Cooling System 33 gal (US)
Crankcase 17 gal (US)
DEF Tank 6 gal (US)
Differential - Final Drives 47 gal (US)
Fuel Tank 140 gal (US)
Steering System - Including Tank 23 gal (US)
Steering Tank 14.5 gal (US)
Torque Converter - Transmission System 17 gal (US)

Tires

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.
Standard Tire 18.00R33 (E4)

ROPS

FOPS Standards Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria.
ROPS Standards Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.

Sound

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.

Steering

Note Target gross machine operating weight is 71 214 kg (157,000 lb).
Steer Angle 40.5 °
Steering Standards ISO 5010:2007
Turning Circle - Clearance Diameter 66.6 ft
Turning Diameter - Front 57.7 ft

Dimensions

Centerline Front Tire Width 10.2 ft
Centerline of Rear Dual Tire Width 8.3 ft
Dump Clearance 1.7 ft
Engine Guard Clearance 1.8 ft
Front Canopy Height 13.5 ft
Ground Clearance 1.6 ft
Height - Top of ROPS 12.7 ft
Inside Body Depth - Maximum 4.6 ft
Inside Body Length 18.5 ft
Inside Body Width 11.9 ft
Loading Height - Empty 10.3 ft
Operating Width 15.7 ft
Outside Body Width 12.9 ft
Overall Body Length 26.8 ft
Overall Height - Body Raised 27.1 ft
Overall Length 28.9 ft
Overall Tire Width 12.1 ft
Rear Axle - Clearance 1.8 ft
Rear Axle - Tail 8.5 ft
Wheel Base 13 ft

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