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770 (07)

Off-Highway Trucks
Cat® 770 is built to move materials efficiently in construction and quarry applications, helping operators improve productivity and hauling performance. Paired with Cat 986, 987, or 988 Wheel Loaders and Cat 374 Hydraulic Excavators, the 770 delivers safe, dependable material movement across a wide range of hauling environments.
Engine Model
Cat® C15
Rated Engine Speed
1800 r/min/1800 r/min
Gross Power - SAE J1995:2014
511 hp/381 kW
Net Power - SAE J1349:2011
483 hp/360 kW

Key Features

Specifications

Metric | Imperial
Engine Expand Collapse
Engine Model
Cat® C15
Rated Engine Speed
1800 r/min 1800 r/min
Gross Power - SAE J1995:2014
511 hp 381 kW
Net Power - SAE J1349:2011
483 hp 360 kW
Net Power - ISO 9249
488 hp 364 kW
Net Power - 80/1269/EEC
489 hp 365 kW
Engine Power - ISO 14396
506 hp 377 kW
Net Torque - SAE J1349
1682 ft-lb 2280 N·m
Number of Cylinders
6
Bore
5.4 in 137 mm
Stroke
6.7 in 171 mm
Displacement
927.6 in³ 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 Tier 3 or Tier 2.
Target Gross Machine Operating Weight
157000 lb 71214 kg
Chassis Weight
55984 lb 25378 kg
Body Weight
17447 lb 7914 kg
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).
Nominal Payload Class (100%)
41.2 Sh Ton 38.6 t
Top Speed - Loaded
45.8 mile/h 73.7 km/h
Target Payload (100%)
41.2 Sh Ton 38.0 ton (US)
Body Capacity - SAE 2:1
32.9 yd³ 25.2 m³
Top Speed - Loaded*
45.8 mile/h 73.7 km/h
Note
Refer to the Caterpillar 10/10/20 Overload Policy for maximum gross machine weight limitations.
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).
Forward - 1
7.4 mile/h 11.9 km/h
Forward - 2
10.1 mile/h 16.3 km/h
Forward - 3
13.7 mile/h 22.1 km/h
Forward - 4
18.4 mile/h 29.6 km/h
Forward - 5
25 mile/h 40.2 km/h
Forward - 6
33.7 mile/h 54.2 km/h
Forward - 7
45.7 mile/h 73.5 km/h
Reverse
9.7 mile/h 15.6 km/h
Note
Refer to the Caterpillar 10/10/20 Overload Policy for maximum gross machine weight limitations.
Differential Ratio
2.12:1
Planetary Ratio
4.80:1
Total Reduction Ratio
10.176:1
Brake Surface - Front
216 in² 1395 cm²
Brake Surface - Rear
6235 in² 40225 cm²
Brake Standards
ISO 3450:2011
Pump Flow - High Idle
109 gpm 413 L/min
Relief Valve Setting - Raise
2750 psi 18950 kPa
Relief Valve Setting - Lower
500 psi 3450 kPa
Body Lower Time - Float
10.0 seconds (approx.)
Body Raise Time - High Idle
8 seconds (approx.)
Struck
23.01 yd³ 17.6 m³
Heaped (SAE 2:1)*
32.9 yd³ 25.2 m³
Note (1)
Power rating applies at 1,800 rpm when tested under the specified condition for the specified standard.
Struck
23.01 yd³ 17.6 m³
Heaped (SAE 2:1)*
32.9 yd³ 25.2 m³
Note (1)
Power rating applies at 1,800 rpm when tested under the specified condition for the specified standard.
Front Axle - Empty
52 % 52 %
Front Axle - Loaded
34 % 34 %
Rear Axle - Empty
48 % 48 %
Rear Axle - Loaded
66 % 66 %
Empty Loaded Cylinder Stroke Front
9.2 in 234 mm
Empty Loaded Cylinder Stroke Rear
5.9 in 149 mm
Rear axle - Oscillation
8.9 ° 8.9 °
Fuel Tank
140 gal (US) 795 l
Cooling System
40.6 gal (US) 154 l
Crankcase
24 gal (US) 90 l
Differential - Final Drives
37 gal (US) 140 l
Steering Tank
9.5 gal (US) 36 l
Steering System - Including Tank
14 gal (US) 54 l
Brake/Hoist Hydraulic Tank
46.5 gal (US) 176 l
Brake Hoist System
85 gal (US) 322 l
Torque Converter - Transmission System
16.1 gal (US) 61 l
Standard Tire
18.00R33 (E4)
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).
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 Standards
Standards
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).
Steering Standards
ISO 5010:2007
Steer Angle
40.5 ° 40.5 °
Turning Diameter - Front
57.7 ft 17.6 m
Turning Circle - Clearance Diameter
66.6 ft 20.3 m

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