COMPARE MODELS
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Off-Highway Trucks
770G
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Engine Model
Cat® C15
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Rated Engine Speed
1700 r/min
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Gross Power - SAE J1995
515 HP
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Net Power - SAE J1349
477 HP
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Net Power - ISO 9249
477 HP
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Net Power - 80/1269/EEC
489 HP
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Net Power - ISO 14396
508 HP
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Net Torque - SAE J1349
1834 ft·lbf
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Number of Cylinders
6
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Bore
5.4 in
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Stroke
6.7 in
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Displacement
927.6 in³
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Emissions
Meets U.S. EPA Tier 4 and EU Stage V emission standards.
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Note (3)
No engine derating required up to 3000 m (9,843 ft) altitude.
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Note (4)
Meets Japan Small Volume Exemption.
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Target Gross Machine Operating Weight
157000 lb
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Target Gross Machine Weight
157000 lb
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Chassis Weight
55948 lb
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Body Weight
17306 lb
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Nominal Payload Class (100%)
42.1 ton (US)
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Top Speed - Loaded
45.8 mile/h
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Target Payload (100%)
42.1 ton (US)
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Maximum Working Payload (110%)
46.3 ton (US)
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Maximum Allowable Payload (120%)*
50.5 ton (US)
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Body Capacity - SAE 2:1
32.9 yd³
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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.
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Note (2)
Caterpillar recommends the customer evaluates all job conditions and consults the tire manufacturer for proper tire selection.
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Forward - 1
7.4 mile/h
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Forward - 2
10.1 mile/h
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Forward - 3
13.8 mile/h
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Forward - 4
18.5 mile/h
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Forward - 5
25.1 mile/h
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Forward - 6
33.8 mile/h
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Forward - 7
45.8 mile/h
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Reverse
8.8 mile/h
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Note
Target gross machine operating weight is 71 214 kg (157,000 lb).
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Differential Ratio
1.92:1
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Planetary Ratio
4.80:1
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Total Reduction Ratio
9.26:1
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Brake Surface - Front
216 in²
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Brake Surface - Rear
6235 in²
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Brake Standards
ISO 3450:2011
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Pump Flow - High Idle
118 gal/min
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Relief Valve Setting - Raise
2750 psi
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Relief Valve Setting - Lower
500 psi
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Body Raise Time - High Idle
7.5 s
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Body Lower Time - Float
10 s
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Body Power Down - High Idle
10 s
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Struck
23.01 yd³
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Heaped (SAE 2:1)*
32.9 yd³
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Front Axle - Empty
49 %
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Front Axle - Loaded
34 %
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Rear Axle - Empty
51 %
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Rear Axle - Loaded
66 %
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Empty Loaded Cylinder Stroke Front
9.2 in
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Empty Loaded Cylinder Stroke Rear
5.9 in
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Rear axle - Oscillation
8.9 °
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Fuel Tank
140 gal (US)
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Cooling System
33 gal (US)
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Crankcase
17 gal (US)
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Differential - Final Drives
47 gal (US)
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Steering Tank
14.5 gal (US)
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Steering System - Including Tank
23 gal (US)
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Brake/Hoist Hydraulic Tank
38 gal (US)
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Brake Hoist System
60 gal (US)
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Torque Converter - Transmission System
17 gal (US)
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DEF Tank
6 gal (US)
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Standard Tire
18.00R33 (E4)
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ROPS Standards
Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.
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FOPS Standards
Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria.
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Sound Standards (1)
Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment.
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Sound Standards (2)
Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 116 dB(A).
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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.
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Steering Standards
ISO 5010:2007
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Steer Angle
40.5 °
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Turning Diameter - Front
57.7 ft
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Turning Circle - Clearance Diameter
66.6 ft
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Height - Top of ROPS
12.7 ft
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Overall Body Length
26.8 ft
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Inside Body Length
18.5 ft
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Overall Length
28.9 ft
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Wheel Base
13 ft
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Rear Axle - Tail
8.5 ft
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Ground Clearance
1.6 ft
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Dump Clearance
1.7 ft
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Loading Height - Empty
10.3 ft
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Inside Body Depth - Maximum
4.6 ft
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Overall Height - Body Raised
27.1 ft
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Operating Width
15.7 ft
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Centerline Front Tire Width
10.2 ft
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Engine Guard Clearance
1.8 ft
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Outside Body Width
12.9 ft
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Inside Body Width
11.9 ft
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Front Canopy Height
13.5 ft
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Rear Axle - Clearance
1.8 ft
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Centerline of Rear Dual Tire Width
8.3 ft
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Overall Tire Width
12.1 ft
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