773 (05) Off-Highway Truck

Time proven iron and modern technology combine to provide a highly productive, durable and reliable off-highway truck focused on our customers greatest need…lowest cost-per-ton.

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Specifications

Overview

Time proven iron and modern technology combine to provide a highly productive, durable and reliable off-highway truck focused on our customers greatest need…lowest cost-per-ton.

Engine

Engine Model

Cat® 3412E

Rated Engine Speed

2000 r/min

Gross Power - SAE J1995:2014

567 kW

Net Power - SAE J1349:2011

537 kW

Number of Cylinders

Torque Rise

33 %

Bore

137 mm

Stroke

152 mm

Displacement

27 l

Note (1)

These engine ratings apply at 2,000 rpm when tested under the specified condition for the specified standard in effect at the time of manufacture.

Note (2)

Power rating conditions based on standard conditions of 25° C (77° F) and99 kPa (29.32 in Hg) dry barometer, using 35° C (95° F) API gravity fuel havingan LHV of 42 780 kJ/kg (18,390 Btu/lb) when used at 30° C (86° F) [referencea fuel density of 838.9 g/L (7.001 lb/gal)].

Note (3)

Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, muffler, and alternator.

Note (4)

No engine derating required up to 3048 m (10,000 ft).

Note (5)

Meets China Nonroad Stage III emission standards equivalent to Tier 2.

Note (1)

Does not include Liner.

Note (2)

Empty operating weight may vary based on the machine configuration. Refer to Off-Highway Truck Payload Policy.

Note (1)

Twin, two-stage hydraulic cylinders mounted outside the main frame; double acting cylinders in second stage.

Note (2)

Power raise in both stages and power down in second stage.

Note (1)

ISO 6483:1980

Note (2)

Contact your local Cat dealer for body recommendation.

Note (1)

The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 2.4 kg (5.29 Ibs) of refrigerant, which has a CO2 equivalent of 3.43 metric tonnes (3.78 tons).

Note (1)

Productive capabilities of the 773 truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires could be exceeded and, therefore, limit production.

Note (2)

Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection.

Note (1)

For cab offered by Caterpillar, the operator sound exposure Leq (Equivalent Sound Pressure Level) is 80 dB(A) when measured according to work cycle procedures specified in SAE J1166:2008. This occurs when the cab is properly installed and maintained. The test was conducted with doors and windows closed.

Note (2)

Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in a noisy environment.

Wheel Base

4191 mm

Ground Clearance

566 mm

Weights - Approximate

Target Gross Machine Operating Weight

99300 kg

Operating Weight - Empty

40192 kg

Operating Weight - Loaded

59108 kg

Operating Specifications

Nominal Payload Class (100%)

59.1 t

Top Speed - Loaded

67.8 km/h

Turning Circle - Clearance Diameter

25 m

Transmission

Forward - 1

10.8 km/h

Forward - 2

15.1 km/h

Forward - 3

20.4 km/h

Forward - 4

27.4 km/h

Forward - 5

37 km/h

Forward - 6

50 km/h

Forward - 7

67.8 km/h

Reverse

13.1 km/h

Turning Circle

Note

Maximum travel speeds with standard 24.00R35 (E4) tires.

Final Drives

Differential Ratio

3.64:1

Planetary Ratio

4.8:1

Total Reduction Ratio

17.48:1

Brakes

Brake Surface - Front

1395 cm²

Brake Surface - Rear

61269 cm²

Brake Standards

ISO 3450: 2011

Body Hoists

Pump Flow - High Idle

562 L/min

Relief Valve Setting - Raise

17225 kPa

Relief Valve Setting - Lower

3445 kPa

Body Raise Time - High Idle

9.5 s

Body Lower Time - Float

12.5 s

Capacity - Dual Slope - 100% Fill Factor

Struck

26.6 m³

Heaped 2:1 (SAE)

35.2 m³

Cab

ROPS Standards (1)

Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 for operator and ISO 13459:2012 for trainer.

ROPS

FOPS Standards

Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria for operator and ISO 13459:2012 Level II criteria for trainer.

Weight Distributions - Approximate

Front Axle - Empty

46.6 %

Front Axle - Loaded

33.8 %

Rear Axle - Empty

53.4 %

Rear Axle - Loaded

66.2 %

Suspension

Effective Cylinder Stroke - Front

234 mm

Effective Cylinder Stroke - Rear

149 mm

Rear axle - Oscillation

8.1 °

Approximate Weights - Dual Slope

Chassis

30219 kg

Gross Vehicle

99300 kg

Service Refill Capacities

Fuel Tank

700 l

Cooling System

122 l

Differential - Final Drives

155 l

Steering Tank

34 l

Steering System - Including Tank

60 l

Torque Converter - Brake - Hoist Hydraulic Tank

133 l

Brake Hoist System - Includes Tank

307 l

Torque Converter - Transmission System - Including Sump

72 l

Torque Converter - Transmission System

53 l

Crankcase

68 l

Tires

Standard Tire

24.00-R35 (E4)

Sound

Sound Standards

ISO 6393:2008, SAE J1166:2008

Steering

Turning Diameter - Front

22 m

Steering Standards

Steering Standards Meets ISO 5010:2007

Steer Angle

31 °

Dimensions

Height - Top of ROPS

4000 mm

Rear Axle - Clearance

591 mm

Centerline of Rear Dual Tire Width

2927 mm

Dimension

Overall Body Length

8535 mm

Inside Body Length

6400 mm

Overall Length

9120 mm

Dump Clearance

676 mm

Loading Height - Empty

3773 mm

Inside Body Depth - Maximum

1805 mm

Overall Height - Body Raised

8787 mm

Operating Width

5076 mm

Centerline Front Tire Width

3275 mm

Engine Guard Clearance

667 mm

Overall Canopy Width

4393 mm

Outside Body Width

3910 mm

Inside Body Width

3658 mm

Front Canopy Height

4393 mm

Overall Tire Width

4457 mm

Dimensions (Approximate) - Dual Slope

Rear Axle - Tail

2782 mm

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