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Off-Highway Trucks
773 (05)
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Engine Model
Cat® 3412E
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Rated Engine Speed
2000 r/min
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Gross Power - SAE J1995
760 HP
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Net Power - SAE J1349
720 HP
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Number of Cylinders
12
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Torque Rise
33 %
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Bore
5.4 in
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Stroke
6 in
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Displacement
1649 in³
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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.
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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.
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Note (3)
Net power advertised is the power available at the flywheel when the
engine is equipped with fan, air cleaner, muffler, and alternator.
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Note (4)
No engine derating required up to 3048 m (10,000 ft).
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Note (5)
Meets China Nonroad Stage III emission standards equivalent to Tier 2.
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Target Gross Machine Operating Weight
218920 lb
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Operating Weight - Empty
88608 lb
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Operating Weight - Loaded
130311 lb
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Nominal Payload Class (100%)
65.2 ton (US)
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Top Speed - Loaded
42.1 mile/h
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Forward - 1
6.7 mile/h
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Forward - 2
9.3 mile/h
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Forward - 3
12.7 mile/h
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Forward - 4
17 mile/h
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Forward - 5
23 mile/h
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Forward - 6
31 mile/h
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Forward - 7
42.1 mile/h
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Reverse
8.1 mile/h
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Note
Maximum travel speeds with standard 24.00R35 (E4) tires.
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Differential Ratio
3.64:1
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Planetary Ratio
4.8:1
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Total Reduction Ratio
17.48:1
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Brake Surface - Front
216 in²
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Brake Surface - Rear
9496 in²
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Brake Standards
ISO 3450: 2011
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Pump Flow - High Idle
148 gal/min
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Relief Valve Setting - Raise
2500 psi
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Relief Valve Setting - Lower
500 psi
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Body Raise Time - High Idle
9.5 s
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Body Lower Time - Float
12.5 s
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Struck
34.8 yd³
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Heaped 2:1 (SAE)
46 yd³
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ROPS Standards (1)
Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 for operator and ISO 13459:2012 for trainer.
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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.
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Front Axle - Empty
46.6 %
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Front Axle - Loaded
33.8 %
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Rear Axle - Empty
53.4 %
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Rear Axle - Loaded
66.2 %
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Effective Cylinder Stroke - Front
5.2 in
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Effective Cylinder Stroke - Rear
5.9 in
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Rear axle - Oscillation
8.1 °
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Chassis
66622 lb
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Gross Vehicle
218920 lb
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Fuel Tank
185 gal (US)
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Cooling System
32 gal (US)
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Differential - Final Drives
41 gal (US)
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Steering Tank
9 gal (US)
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Steering System - Including Tank
16 gal (US)
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Torque Converter - Brake - Hoist Hydraulic Tank
35 gal (US)
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Brake Hoist System - Includes Tank
81 gal (US)
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Torque Converter - Transmission System - Including Sump
19 gal (US)
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Torque Converter - Transmission System
14 gal (US)
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Crankcase
18 gal (US)
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Standard Tire
24.00-R35 (E4)
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Sound Standards
ISO 6393:2008, SAE J1166:2008
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Turning Diameter - Front
72.18 ft
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Steering Standards
Steering Standards Meets ISO 5010:2007
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Steer Angle
31 °
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Turning Circle - Clearance Diameter
82 ft
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Height - Top of ROPS
13.12 ft
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Overall Body Length
28 ft
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Inside Body Length
21 ft
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Overall Length
31.5 ft
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Wheel Base
13.75 ft
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Rear Axle - Tail
9.13 ft
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Ground Clearance
1.86 ft
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Dump Clearance
2.22 ft
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Loading Height - Empty
12.38 ft
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Inside Body Depth - Maximum
5.92 ft
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Overall Height - Body Raised
28.83 ft
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Operating Width
16.8 ft
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Centerline Front Tire Width
10.74 ft
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Engine Guard Clearance
2.2 ft
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Overall Canopy Width
14.41 ft
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Outside Body Width
12.8 ft
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Inside Body Width
12 ft
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Front Canopy Height
14.41 ft
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Rear Axle - Clearance
1.94 ft
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Centerline of Rear Dual Tire Width
9.6 ft
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Overall Tire Width
14.62 ft
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