770 Off-Highway Truck

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770 Off-Highway Truck

Engineered for performance, designed for comfort, built to last.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.
  • Standard Equipment
  • Optional Equipment
  • Specs

Standard Equipment

  • OPERATOR ENVIRONMENT
    • Air conditioning
    • Ashtray and cigarette lighter
    • Coat hook
    • Cup holders (4)
    • Diagnostic connection port, 24V
    • Entertainment Radio Ready
    • Gauges/indicators:
    • Heater/defroster, (11.070 kCal/43,930 BTU)
    • Hoist lever
    • Horn, electric
    • Light, dome/courtesy
    • Messenger display unit
    • Mirrors
    • Power port, 12V
    • ROPS cab, insulated/sound suppressed
    • Seat, Caterpillar Comfort
    • Seat, training with lap belt
    • Steering wheel, padded, tilt and telescopic
    • Storage compartment
    • Sun visor, tinted glass
    • Throttle lock
    • Windshield wiper (intermittent) and washer
  • POWER TRAIN
    • Cat C15 Engine with ACERT® Technology
    • Braking system:
    • Transmission:
  • ANTIFREEZE
    • Extended Life Coolant to -35°C (-30°F)
  • ELECTRICAL
    • Alarm, backup
    • Alternator, 95-amp
    • Auxiliary jump start receptacle
    • Batteries, maintenance-free, 12V (2), 190 amp-hour
    • Electrical system, 24V
    • Lighting system:
  • PRODUCT LINK COMMUNICATIONS
    • Product Link Ready
  • GUARDS
    • Engine crankcase
    • Driveline
  • SUSPENSION SYSTEM
    • Suspension, front/rear (European Union compliant)
  • OTHER STANDARD EQUIPMENT
    • Body mounting group (flat floor or dual slope body)
    • Body safety pin (secures body in up position)
    • Body down indicator
    • CD-ROM parts book
    • Fan, hydraulic demand
    • Fuel tank, 530 L (140 gal)
    • Ground level battery disconnect
    • Ground level engine shutdown
    • Ground level grease fittings
    • Reservoirs (separate):
    • Rims, 13 x 33 in
    • Rock ejectors
    • Service platform, left/right side
    • Supplemental steering (automatic)
    • Tie down eyes
    • Tow hooks, front
    • Tow pin, rear
    • Vandalism protection locks

Optional Equipment

  • Optional Body Systems:
    • Body Liner, Dual Slope/Flat Floor, Steel, 8 mm, 16 mm, 20 mm, or 25 mm
    • Body Liner, Dual Slope/Flat Floor, Rubber, High Impact

Specs

Overview

Long Name:
770 Off-Highway Truck
Name:
770
Brand:
Caterpillar
Status:
Noncurrent

Engine

Engine Model:
Cat® C15 ACERT™
Rated Engine Speed:
1800 r/min / 1800 r/min
Gross Power - SAE J1995:
511 HP / 381 kW
Net Power - SAE J1349:
476 HP / 355 kW
Net Power - 80/1269/EEC:
476 HP / 355 kW
Number of Cylinders:
6
Bore:
5.4 in / 137 mm
Stroke:
6.7 in / 171 mm
Displacement:
927.6 in³ / 15.2 l
Net Power - ISO 9249:1997:
476 HP / 355 kW
Peak Torque:
1711 lb/ft / 2320 N·m

Weights - Approximate

Target Gross Machine Operating Weight:
157000 lb / 71214 kg
Chassis Weight:
53380 lb / 24213 kg
Body Weight:
22110 lb / 10029 kg

Operating Specifications

Nominal Payload Class (100%):
40 ton (US) / 36.3 ton (US)
Top Speed - Loaded:
46.5 mile/h / 74.8 km/h
Maximum Capacity:
40 ton (US) / 36.3 ton (US)
Body Capacity - SAE 2:1:
32.8 yd³ / 25 m³
Target Payload Capacity:
40 ton (US) / 36.3 ton (US)

Transmission

Forward - 1:
7.5 mile/h / 12.1 km/h
Forward - 2:
10.3 mile/h / 16.6 km/h
Forward - 3:
14 mile/h / 22.5 km/h
Forward - 4:
18.8 mile/h / 30.3 km/h
Forward - 5:
25.4 mile/h / 40.9 km/h
Forward - 6:
34.3 mile/h / 55.2 km/h
Forward - 7:
46.5 mile/h / 74.8 km/h
Reverse:
9.9 mile/h / 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:
216 in² / 1395 cm²
Brake Surface - Rear:
6235 in² / 40266 cm²
Brake Standards:
ISO 3450: 1996

Body Hoists

Pump Flow - High Idle:
136 gal/min / 515 l/min
Relief Valve Setting - Raise:
2500 psi / 17255 kPa
Relief Valve Setting - Lower:
500 psi / 3450 kPa
Body Raise Time - High Idle:
9.5 s / 9.5 s
Body Lower Time - Float:
12.5 s / 12.5 s
Body Power Down - High Idle:
12.5 s / 12.5 s

Capacity - Dual Slope - 100% Fill Factor

Struck:
21.5 yd³ / 16.4 m³
Heaped 2:1 (SAE):
32.8 yd³ / 25.1 m³

Capacity - Flat Floor - 100% Fill Factor

Struck:
21.5 yd³ / 16.4 m³
Heaped 2:1 (SAE):
32.8 yd³ / 25.1 m³

Weight Distributions - Approximate

Front Axle - Empty:
48 % / 48 %
Front Axle - Loaded:
34 % / 34 %
Rear Axle - Empty:
52 % / 52 %
Rear Axle - Loaded:
66 % / 66 %

Suspension

Effective Cylinder Stroke - Front:
9.2 in / 234 mm
Effective Cylinder Stroke - Rear:
5.9 in / 149 mm
Rear axle - Oscillation:
5.4 ° / 5.4 °

Service Refill Capacities

Fuel Tank:
140 gal (US) / 530 l
Cooling System:
30 gal (US) / 114 l
Differential - Final Drives:
22 gal (US) / 83 l
Steering Tank:
9 gal (US) / 34 l
Steering System - Including Tank:
15 gal (US) / 56 l
Brake / Hoist / Fan Hydraulic Tank:
35 gal (US) / 155 l
Brake/Hoist/Fan System (Tank):
73 gal (US) / 277 l
Crankcase:
9 gal (US) / 34 l
Transmission - Torque Converter Sump:
14 gal (US) / 53 l
Transmission - Torque Converter System - Including Sump:
19 gal (US) / 72 l

Tires

Standard Tire:
18.00R33 (E4)

ROPS

ROPS/FOPS Standards:
.

Sound

Sound Standards:
.

Steering

Steering Standards:
ISO 5010:1992
Steer Angle:
40 ° / 40 °

Dimensions

Height - Top of ROPS:
12.83 ft / 3911 mm
Overall Body Length:
26.81 ft / 8172 mm
Inside Body Length:
18.21 ft / 5549 mm
Overall Length:
28.67 ft / 8740 mm
Wheel Base:
13 ft / 3960 mm
Rear Axle - Tail:
8.5 ft / 2590 mm
Ground Clearance:
2.23 ft / 680 mm
Dump Clearance:
1.52 ft / 464 mm
Loading Height - Empty:
10.24 ft / 3120 mm
Inside Body Depth - Maximum:
4.35 ft / 1326 mm
Overall Height - Body Raised:
27.17 ft / 8280 mm
Operating Width:
15.59 ft / 4751 mm
Centerline Front Tire Width:
10.2 ft / 3110 mm
Engine Guard Clearance:
2.21 ft / 673 mm
Overall Canopy Width:
13 ft / 3960 mm
Inside Body Width:
12.13 ft / 3698 mm
Front Canopy Height:
13.58 ft / 4140 mm
Rear Axle - Clearance:
1.67 ft / 508 mm
Centerline of Rear Dual Tire Width:
8.32 ft / 2536 mm
Overall Tire Width:
12.12 ft / 3693 mm