Whether your business is a quarry, a mine or involves moving earth, the 770G is ruggedly built and designed to help you haul material safely and efficiently. It can be equipped with body options to match your material and hauling requirements. The 770G is simple to maintain, and with the support of your Cat dealer, will offer you years of productive service.
Engine
Engine Model
Cat® C15 ACERT™
Rated Engine Speed
1800 r/min
Gross Power - SAE J1995
511 HP
Net Power - SAE J1349
483 HP
Net Power - ISO 9249
476 HP
Net Power - 80/1269/EEC
489 HP
Engine Power - ISO 14396
377 kW
Net Torque - SAE J1349
2280 N·m
Number of Cylinders
6
Bore
137 mm
Stroke
171 mm
Displacement
15.2 l
Note (1)
Power rating applies at 1,800 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 China Nonroad Stage III emission standards equivalent to U.S. EPA Tier 3 or U.S. EPA Tier 2.
Weights - Approximate
Target Gross Machine Operating Weight
71214 kg
Chassis Weight
24900 kg
Body Weight
7665 kg
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.
Operating Specifications
Nominal Payload Class (100%)
38.6 t
Top Speed - Loaded
73.5 km/h
Target Payload (100%)
38.6 ton (US)
Body Capacity - SAE 2:1
25.2 m³
Top Speed - Loaded*
73.5 km/h
Note
Refer to the Caterpillar 10/10/20 Overload Policy for maximum gross machine weight limitations.
Note (1)
Capacity with dual slope body with no liner.
Note (2)
*ISO 6483:1980
Transmission
Forward - 1
11.9 km/h
Forward - 2
16.3 km/h
Forward - 3
22.1 km/h
Forward - 4
29.6 km/h
Forward - 5
40.2 km/h
Forward - 6
54.2 km/h
Forward - 7
73.5 km/h
Reverse
15.6 km/h
Note
Maximum travel speeds with standard 18.00R33 (E4) tires.
Final Drives
Differential Ratio
2.12:1
Planetary Ratio
4.80:1
Total Reduction Ratio
10.18:1
Brakes
Brake Surface - Front
1395 cm²
Brake Surface - Rear
40225 cm²
Brake Standards
ISO 3450:1996
Body Hoists
Pump Flow - High Idle
448 l/min
Relief Valve Setting - Raise
18950 kPa
Relief Valve Setting - Lower
3450 kPa
Body Power Down - High Idle
10.0 seconds (approx.)
Body Lower Time - Float
10.0 seconds (approx.)
Body Raise Time - High Idle
7.5 seconds (approx.)
Capacity - Dual Slope - 100% Fill Factor
Struck
17.6 m³
Heaped (SAE 2:1)*
25.2 m³
Note (1)
*ISO 6483:1980
Capacity - Flat Floor - 100% Fill Factor
Struck
17.6 m³
Heaped (SAE 2:1)*
25.2 m³
Note (1)
*ISO 6483:1980
Weight Distributions - Approximate
Front Axle - Empty
51.9 %
Front Axle - Loaded
34.5 %
Rear Axle - Empty
48.1 %
Rear Axle - Loaded
65.5 %
Suspension
Empty Loaded Cylinder Stroke Front
234 mm
Empty Loaded Cylinder Stroke Rear
149 mm
Rear axle - Oscillation
8.9 °
Service Refill Capacities
Fuel Tank
530 l
Cooling System
125 l
Crankcase
38 l
Differential - Final Drives
180 l
Steering Tank
55 l
Steering System - Including Tank
87 l
Brake/Hoist Hydraulic Tank
145 l
Brake Hoist System
227 l
Torque Converter - Transmission System
64 l
Tires
Standard Tire
18.00R33 (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
ROPS/FOPS Standards
Standards
ROPS Standards
ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.
FOPS Standards
FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria.
Sound
Sound Standards
Standards
Note (1)
The dynamic operator sound pressure level is 79 dB(A) when “ISO R396:2008” is used to measure the value for an enclosed cab. The cab was properly installed and maintained. The test was conducted with the cab doors and the cab windows closed.
Note (2)
Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in a noisy environment.