770 Off-Highway Truck

Top Performance. Developed specifically for construction, mining and quarry applications, the 770 optimizes demands for lower cost per ton. Reliable, Durable Operation. Rugged construction and easy maintenance procedures ensure long life with low operating costs.

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Specifications

Overview

Engine

Engine Model

Cat® C15 ACERT™

Rated Engine Speed

1800 r/min

Gross Power - SAE J1995:2014

381 kW

Net Power - SAE J1349:2011

355 kW

Net Power - 80/1269/EEC

355 kW

Number of Cylinders

Bore

137 mm

Stroke

171 mm

Displacement

15.2 l

Peak Torque

2320 N·m

Net Power - ISO 9249:1997

355 kW

Wheel Base

3960 mm

Ground Clearance

680 mm

Weights - Approximate

Target Gross Machine Operating Weight

71214 kg

Chassis Weight

24213 kg

Body Weight

10029 kg

Operating Specifications

Nominal Payload Class (100%)

36.3 ton (US)

Top Speed - Loaded

74.8 km/h

Maximum Capacity

36.3 ton (US)

Target Payload Capacity

36.3 ton (US)

Body Capacity - SAE 2:1

25 m³

Transmission

Forward - 1

12.1 km/h

Forward - 2

16.6 km/h

Forward - 3

22.5 km/h

Forward - 4

30.3 km/h

Forward - 5

40.9 km/h

Forward - 6

55.2 km/h

Forward - 7

74.8 km/h

Reverse

15.9 km/h

Final Drives

Differential Ratio

2.74:1

Planetary Ratio

4.80:1

Total Reduction Ratio

13.15:1

Brakes

Brake Surface - Front

1395 cm²

Brake Surface - Rear

40266 cm²

Brake Standards

ISO 3450: 1996

Body Hoists

Pump Flow - High Idle

515 L/min

Relief Valve Setting - Raise

17255 kPa

Relief Valve Setting - Lower

3450 kPa

Body Raise Time - High Idle

9.5 s

Body Lower Time - Float

12.5 s

Body Power Down - High Idle

12.5 s

Capacity - Dual Slope - 100% Fill Factor

Struck

16.4 m³

Heaped 2:1 (SAE)

25.1 m³

Struck

16.4 m³

Heaped 2:1 (SAE)

25.1 m³

Weight Distributions - Approximate

Front Axle - Empty

48 %

Front Axle - Loaded

34 %

Rear Axle - Empty

52 %

Rear Axle - Loaded

66 %

Suspension

Effective Cylinder Stroke - Front

234 mm

Effective Cylinder Stroke - Rear

149 mm

Rear axle - Oscillation

5.4 °

Service Refill Capacities

Fuel Tank

530 l

Cooling System

114 l

Differential - Final Drives

83 l

Steering Tank

34 l

Steering System - Including Tank

56 l

Brake / Hoist / Fan Hydraulic Tank

155 l

Crankcase

34 l

Brake/Hoist/Fan System (Tank)

277 l

Transmission - Torque Converter Sump

53 l

Transmission - Torque Converter System - Including Sump

72 l

Tires

Standard Tire

18.00R33 (E4)

ROPS

ROPS/FOPS Standards

Sound

Sound Standards

Steering

Steering Standards

ISO 5010:1992

Steer Angle

40 °

Dimensions

Height - Top of ROPS

3911 mm

Rear Axle - Clearance

508 mm

Centerline of Rear Dual Tire Width

2536 mm

Dimension

Overall Body Length

8172 mm

Inside Body Length

5549 mm

Overall Length

8740 mm

Dump Clearance

464 mm

Loading Height - Empty

3120 mm

Inside Body Depth - Maximum

1326 mm

Overall Height - Body Raised

8280 mm

Operating Width

4751 mm

Centerline Front Tire Width

3110 mm

Engine Guard Clearance

673 mm

Overall Canopy Width

3960 mm

Inside Body Width

3698 mm

Front Canopy Height

4140 mm

Overall Tire Width

3693 mm

Dimensions (Approximate) - Dual Slope

Rear Axle - Tail

2590 mm

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