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775 Off-Highway Truck
772G Off-Highway Truck Bare Chassis

Operating Specifications

Nominal Payload Class (100%) 70.5 ton (US) - -
Top Speed - Loaded 41.6 mile/h - -
Maximum Working Payload (110%) 77.5 ton (US) - -
Target Payload (100%) 70.5 ton (US) - -
Maximum Allowable Payload (120%)* 84.6 ton (US) - -
Note (2) * Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations. - -
Note (1) Capacity with Dual Slope body – no liner. - -
Body Capacity - SAE 2:1 55.23 yd³ - -
Nominal Water Tank Capacity - 11000 gal (US) -

Engine

Engine Model Cat® C27 Cat® C18 -
Rated Engine Speed 1800 r/min 1700 r/min -
Gross Power - SAE J1995:2014 825 hp - -
Net Power - SAE J1349:2011 768 hp - -
Net Power - 80/1269/EEC 775 hp - -
Net Power - ISO 9249 775 hp - -
Bore 5.4 in 5.7 in -
Stroke 6 in 7.2 in -
Displacement 1648 in³ 1105 in³ -
Engine Power - ISO 14396 812 hp - -
Note (2) Ratings based on SAE J1995 standard air conditions of 25° C (77° F) and 100 kPa (29.61 Hg) barometer. Power based on fuel having API gravity of 35 at 16° C (60° F) and an LHV of 42 780 kJ/kg (18,390 BTU/lb) when engine used at 30° C (86° F). - -
Net Torque 3148 ft-lb - -
Peak Torque - Speed 1200 r/min - -
Note (1) Power rating applies at 2,000 rpm when tested under the specified condition for the specified standard. - -
Note (3) No engine derating required up to 3810 m (12,500 ft) for Tier 2 Equivalent. - -
Emissions Meets EU Stage V emission standards. - -
Gross Power - SAE J1995 - 605 hp -
Rated Net Power - SAE J1349 - 550 hp -
Number of Cylinders - 6 -
Note - Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator. -

Capacity - Dual Slope - 100% Fill Factor

Struck 42.7 yd³ - -
Heaped (SAE 2:1)* 55.5 yd³ - -
Note (1) Contact your local Cat dealer for body recommendation. - -
Note (2) *ISO 6483:1980 - -

Capacity - Flat Floor - 100% Fill Factor

Struck 42.2 yd³ - -
Heaped (SAE 2:1)* 55.2 yd³ - -
Note (1) Contact your local Cat dealer for body recommendation. - -
Note (2) *ISO 6483:1980 - -

Weight Distributions - Approximate

Front Axle - Empty 50 % - -
Front Axle - Loaded 34 % - -
Rear Axle - Empty 50 % - -
Rear Axle - Loaded 66 % - -

Transmission

Forward - 1 6.6 mile/h 8 mile/h -
Forward - 2 9.3 mile/h 10.9 mile/h -
Forward - 3 12.6 mile/h 14.8 mile/h -
Forward - 4 16.8 mile/h 19.8 mile/h -
Forward - 5 22.8 mile/h 26.9 mile/h -
Forward - 6 30.7 mile/h 36.2 mile/h -
Forward - 7 41.6 mile/h 49.2 mile/h -
Reverse 8.7 mile/h 10.4 mile/h -
Note Maximum travel speeds with standard 24.00R35 (E4) tires. Maximum travel speeds with standard 21.00R33 (E4) tires. -

Final Drives

Differential Ratio 3.64:1 - -
Planetary Ratio 4.80:1 - -
Total Reduction Ratio 17.49:1 - -

Brakes

Brake Surface - Front 257 in² 216 in² -
Brake Surface - Rear 9497 in² 7794 in² -
Brake Standards ISO 3450:2011 - -

Service Refill Capacities

Fuel Tank 210 gal (US) - -
Cooling System 45 gal (US) 33 gal (US) -
Differential - Final Drives 38 gal (US) 47 gal (US) -
Steering Tank 9.5 gal (US) - -
Steering System - Including Tank 14 gal (US) 60 gal (US) -
Brake Hoist System 85 gal (US) 60 gal (US) -
Torque Converter - Transmission System - LRC 16 gal (US) - -
Crankcase 24 gal (US) 17 gal (US) -
Brake/Hoist Hydraulic Tank 46.5 gal (US) 38 gal (US) -
Torque Converter - Transmission System - HRC 18 gal (US) - -
Fuel Tank Capacity - 140 gal (US) -
Torque Converter - Transmission System - 17 gal (US) -

Body Hoists

Pump Flow - High Idle 118 gal/min - -
Relief Valve Setting - Raise 2502 psi - -
Relief Valve Setting - Lower 500 psi - -
Body Raise Time - High Idle 10 s - -
Body Lower Time - Float 14 s - -
Body Power Down - High Idle 14 s - -

Weights - Approximate

Maximum Gross Vehicle Weight 246503 lb - -

Suspension

Empty Loaded Cylinder Stroke Front 9.2 in - -
Rear Axle - Oscillation 8.1° - -
Empty Loaded Cylinder Stroke Rear 5.8 in - -

Tires

Note (2) Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection. - -
Note (1) Productive capabilities of the 775G truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires could be exceeded and, therefore, limit production. - -
Standard Tire 24.00R35 (E4) - -

ROPS

FOPS Standards Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria. - -
ROPS Standards Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria. - -
Tractor ROPS - 77430 lb -

Sound

Sound Standards (1) The operator Equivalent Sound Pressure Level (Leq) is 76 dB(A) when SAE J1166 FEB2008 is used to measure the value for an enclosed cab. This is a work cycle sound exposure level. The cab was properly installed and maintained. The test was conducted with t - -
Sound Standards (2) The exterior sound pressure level for the standard machine measured at a distance of 15 m (49 ft) according to the test procedures specified in SAE J88:2008, mid‑gear moving operation is 86 dB(A). - -
Sound Standards (3) 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. - -

Steering

Turning Diameter - Front 77.1 ft - -
Steering Standards ISO 5010:2007 ISO 5010:2007 -
Steer Angle 31 ° 31 ° -
Turning Circle - Clearance Diameter 85.6 ft 66.6 ft -
Turning Diameter - 57.7 ft -

Sustainability

Recyclability 98% - -

Weights

LRC Bare Chassis Weight without Hoist - 58414 lb -
LRC Bare Chassis Weight with Hoist - 59223 lb -
LRC Gross Vehicle Weight (Target) with Hoist - 180999 lb -
LRC Gross Vehicle Weight (Target) without Hoist - 180999 lb -
HRC Bare Chassis Weight without Hoist - 59567 lb -
HRC Bare Chassis Weight with Hoist - 60376 lb -
HRC Gross Vehicle Weight (Target) with Hoist - 180999 lb -
HRC Gross Vehicle Weight (Target) without Hoist - 180999 lb -
Note - LRC model is offered for lesser regulated countries. HRC model is offered for highly regulated countries. U.S. EPA Tier 4 Final / EU Stage V available for applicable markets. -
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