Engine
- Engine Model
-
Cat® C15
- Rated Engine Speed
-
1700r/min
- Gross Power - SAE J1995
-
515HP
- Net Power - SAE J1349
-
477HP
- Net Power - ISO 9249
-
477HP
- Net Power - 80/1269/EEC
-
489HP
- Net Power - ISO 14396
-
508HP
- Net Torque - SAE J1349
-
1834ft·lbf
- Number of Cylinders
-
6
- Bore
-
5.4in
- Stroke
-
6.7in
- Displacement
-
927.6in³
- Emissions
-
Meets U.S. EPA Tier 4 and EU Stage V emission standards.
- 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.
Weights - Approximate
- Target Gross Machine Operating Weight
-
157000lb
- Target Gross Machine Weight
-
157000lb
- Chassis Weight
-
55948lb
- Body Weight
-
17306lb
- 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%)
-
42.1ton (US)
- Top Speed - Loaded
-
45.8mile/h
- Target Payload (100%)
-
42.1ton (US)
- Maximum Working Payload (110%)
-
46.3ton (US)
- Maximum Allowable Payload (120%)*
-
50.5ton (US)
- Body Capacity - SAE 2:1
-
32.9yd³
- 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.
Transmission
- Forward - 1
-
7.4mile/h
- Forward - 2
-
10.1mile/h
- Forward - 3
-
13.8mile/h
- Forward - 4
-
18.5mile/h
- Forward - 5
-
25.1mile/h
- Forward - 6
-
33.8mile/h
- Forward - 7
-
45.8mile/h
- Reverse
-
8.8mile/h
- Note
-
Maximum travel speeds with standard 18.00R33 (E4) tires.
Final Drives
- Differential Ratio
-
1.92:1
- Planetary Ratio
-
4.80:1
- Total Reduction Ratio
-
9.26:1
Brakes
- Brake Surface - Front
-
216in²
- Brake Surface - Rear
-
6235in²
- Brake Standards
-
ISO 3450:2011
- Note
-
Target gross machine operating weight is 71 214 kg (157,000 lb).
Body Hoists
- Pump Flow - High Idle
-
118gal/min
- Relief Valve Setting - Raise
-
2750psi
- Relief Valve Setting - Lower
-
500psi
- Body Raise Time - High Idle
-
7.5s
- Body Lower Time - Float
-
10s
- Body Power Down - High Idle
-
10s
Capacity - Dual Slope - 100% Fill Factor
- Struck
-
23.01yd³
- Heaped (SAE 2:1)*
-
32.9yd³
- Note (2)
-
*ISO 6483:1980.
- Note (1)
-
Contact your local Cat dealer for body recommendation.
Capacity - Flat Floor - 100% Fill Factor
- Struck
-
23.01yd³
- Heaped (SAE 2:1)*
-
32.9yd³
- Note (1)
-
Contact your local Cat dealer for body recommendation.
- Note (2)
-
*ISO 6483:1980.
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
-
9.2in
- Empty Loaded Cylinder Stroke Rear
-
5.9in
- Rear axle - Oscillation
-
8.9°
Service Refill Capacities
- Fuel Tank
-
140gal (US)
- Cooling System
-
33gal (US)
- Crankcase
-
17gal (US)
- Differential - Final Drives
-
47gal (US)
- Steering Tank
-
14.5gal (US)
- Steering System - Including Tank
-
23gal (US)
- Brake/Hoist Hydraulic Tank
-
38gal (US)
- Brake Hoist System
-
60gal (US)
- Torque Converter - Transmission System
-
17gal (US)
- DEF Tank
-
6gal (US)
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 Standards
-
Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.
- FOPS Standards
-
Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS 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
- Steering Standards
-
ISO 5010:2007
- Steer Angle
-
40.5°
- Turning Diameter - Front
-
57.7ft
- Turning Circle - Clearance Diameter
-
66.6ft
- Note
-
Target gross machine operating weight is 71 214 kg (157,000 lb).
Dimensions
- Height - Top of ROPS
-
12.7ft
- Overall Body Length
-
26.8ft
- Inside Body Length
-
18.5ft
- Overall Length
-
28.9ft
- Wheel Base
-
13ft
- Rear Axle - Tail
-
8.5ft
- Ground Clearance
-
1.6ft
- Dump Clearance
-
1.7ft
- Loading Height - Empty
-
10.3ft
- Inside Body Depth - Maximum
-
4.6ft
- Overall Height - Body Raised
-
27.1ft
- Operating Width
-
15.7ft
- Centerline Front Tire Width
-
10.2ft
- Engine Guard Clearance
-
1.8ft
- Outside Body Width
-
12.9ft
- Inside Body Width
-
11.9ft
- Front Canopy Height
-
13.5ft
- Rear Axle - Clearance
-
1.8ft
- Centerline of Rear Dual Tire Width
-
8.3ft
- Overall Tire Width
-
12.1ft
Exterior View