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770 Off-Highway Truck

Posted By admin On January 28, 2008 @ 12:00 am In Boomerang | No Comments

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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Engine

Units:  US 

Engine Model

Cat® C15 ACERT

Cat® C15 ACERT

Rated Engine Speed

1800 RPM

1800 RPM

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

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

Operating Specifications

Nominal Payload Class

40 tons

36.3 tonnes

Top Speed – Loaded

46.5 mph

74.8 km/h

Body Capacity – SAE 2:1

32.8 yd3

25 m3

Weights – Approximate

Target Gross Machine Operating Weight

157000 lb

71214 kg

Chassis Weight

53380 lb

24213 kg

Body Weight

22110 lb

10029 kg

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 %

Transmission

Forward 1

7.5 mph

12.1 km/h

Forward 2

10.3 mph

16.6 km/h

Forward 3

14 mph

22.5 km/h

Forward 4

18.8 mph

30.3 km/h

Forward 5

25.4 mph

40.9 km/h

Forward 6

34.3 mph

55.2 km/h

Forward 7

46.5 mph

74.8 km/h

Reverse

9.9 mph

15.9 km/h

Final Drives

Differential Ratio

2.74:1

2.74:1

Planetary Ratio

4.80:1

4.80:1

Total Reduction Ratio

13.15:1

13.15:1

Brakes

Brake Surface – Front

216 in2

1395 cm2

Brake Surface – Rear

6235 in2

40266 cm2

Brake Standards

ISO 3450: 1996

ISO 3450: 1996

Service Refill Capacities

Fuel Tank

140 gal

530 L

Cooling System

30 gal

114 L

Differentials and Final Drives

22 gal

83 L

Steering Tank

9 gal

34 L

Steering System (Includes Tank)

15 gal

56 L

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 Seconds

9.5 Seconds

Body Lower Time – Float

12.5 Seconds

12.5 Seconds

Body Power Down – High Idle

12.5 Seconds

12.5 Seconds

Suspension

Effective Cylinder Stroke – Front

9.2 in

234 mm

Effective Cylinder Stroke – Rear

5.9 in

149 mm

Rear Axle Oscillation

5.4 Degrees

5.4 Degrees

Dimensions

Height to 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

Wheelbase

13 ft

3960 mm

Rear Axle to 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 – Max

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 Rear Dual Tire Width

8.32 ft

2536 mm

Overall Tire Width

12.12 ft

3693 mm

Tires

Standard Tire

18.00R33 (E4)

18.00R33 (E4)

ROPS

ROPS / FOPS Standards

.

.

Sound

Sound Standards

.

.

Steering

Steering Standards

ISO 5010:1992

ISO 5010:1992

Steer Angle

40 Degrees


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