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775G Off-Highway Truck
772 (07) Off-Highway Truck
785 Mining Truck (LRC, Tier 4 Final / EU Stage V)

Weights

LRC Bare Chassis Weight without Hoist 75118 lb - -
LRC Bare Chassis Weight with Hoist 76326 lb - -
LRC Gross Vehicle Weight (Target) without Hoist 246503 lb - -
LRC Gross Vehicle Weight (Target) with Hoist 246503 lb - -
HRC Bare Chassis Weight without Hoist 76573 lb - -
HRC Bare Chassis Weight with Hoist 77781 lb - -
HRC Gross Vehicle Weight (Target) without Hoist 246503 lb - -
HRC Gross Vehicle Weight (Target) with Hoist 246503 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. - -

ROPS

Tractor ROPS 85288 lb - -
FOPS Standards - FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria. -
ROPS Standards - ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria. -

Operating Specifications

Nominal Water Tank Capacity 15000 gal (US) - -
Nominal Payload Class (100%) - 51.6 ton (US) -
Top Speed - Loaded - 49.2 mile/h -
Maximum Payload Class (110%) - 56.7 ton (US) -
Body Capacity - SAE 2:1 - 40.8 yd³ -
Target Payload Capacity - 51.6 ton (US) -
Not to Exceed Payload (120%) - 61.9 ton (US) -
Body Capacity (SAE 2:1)** - 40.8 yd³ -

Steering

Steering Standards ISO 5010:2007 ISO 5010:2007 ISO 5010:2007
Steer Angle 31 ° 40.5 ° 36 °
Turning Diameter 77.1 ft - -
Turning Circle - Clearance Diameter 85.6 ft 66.6 ft -
Turning Diameter - Front - 57.7 ft -
Turning Diameter - ISO 7457:1997 (33.00R51 tires) - - 97.75 ft

Engine

Engine Model Cat® C27 Cat® C18 Cat� 3512E
Gross Power - SAE J1995 825 HP 605 HP 1600 HP
Rated Net Power - SAE J1349 683 HP - -
Bore 5.4 in 5.7 in 6.7 in
Stroke 6 in 7.2 in 8.5 in
Displacement 1648 in³ 1105 in³ 3573 in³
Note Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator. Specifications shown are for LRC model. - -
Rated Engine Speed - 1700 r/min -
Net Power - SAE J1349 - 550 HP 1509 HP
Net Power - ISO 9249 - 550 HP -
Number of Cylinders - 6 -
Net Torque - SAE J1349 - 2221 ft-lb -
Engine Power - ISO 14396 - 598 HP -
Emissions Rating - - Fuel Optimized
Note (1) - - Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.
Note (2) - - U.S. EPA Tier 4 Final / EU Stage V available for applicable markets.
Note (3) - - Additional fuel optimized selectable power ratings: 1,450 hp

Transmission

Forward - 1 6.6 mile/h 8 mile/h 7.5 mile/h
Forward - 2 9.3 mile/h 10.9 mile/h 10.2 mile/h
Forward - 3 12.6 mile/h 14.8 mile/h 13.8 mile/h
Forward - 4 16.8 mile/h 19.8 mile/h 18.6 mile/h
Forward - 5 22.8 mile/h 26.9 mile/h 25.2 mile/h
Forward - 6 30.7 mile/h 36.2 mile/h 34 mile/h
Forward - 7 41.6 mile/h 49.2 mile/h -
Reverse 8.7 mile/h 10.4 mile/h 6.8 mile/h
Note Maximum travel speeds with standard 24.00R35 (E4) tires - Maximum travel speeds with standard 33.00-R51 tires.
Top Speed - Loaded - - 34 mile/h

Brakes

Brake Surface - Front 257 in² 216 in² -
Brake Surface - Rear 9497 in² 7794 in² -
Brake Standards - ISO 3450:1996 -

Service Refill Capacities

Fuel Tank Capacity 210 gal (US) - -
Cooling System 45 gal (US) 33 gal (US) 100 gal (US)
Crankcase 24 gal (US) 17 gal (US) 54 gal (US)
Differential - Final Drives 38 gal (US) 47 gal (US) 139 gal (US)
Steering System - Including Tank 14 gal (US) 23 gal (US) -
Brake/Hoist Hydraulic Tank 46.5 gal (US) 38 gal (US) -
Brake Hoist System 85 gal (US) 60 gal (US) -
Fuel Tank - 140 gal (US) 410 gal (US)
Steering Tank - 14.5 gal (US) 29 gal (US)
Torque Converter - Transmission System - 17 gal (US) -
DEF Tank - 6 gal (US) -
Front Wheels - Each - - 8 gal (US)
Steering System - Includes Tank - - 45 gal (US)
Brake/Hoist Tank - - 135 gal (US)
Brake Hoist System - Includes Tank - - 160 gal (US)
Torque Converter - Transmission System - Including Sump - - 46 gal (US)

Weights - Approximate

Target Gross Machine Operating Weight - 181000 lb -
Chassis Weight - 59223 lb -
Body Weight - 17306 lb 57779 lb
Target Gross Machine Weight - 181000 lb -
Nominal Rated Payload (33.00R51 Tires) - - 153 ton (US)
Rated Gross Machine Weight (33.00R51 tires) - - 550000 lb
Nominal Rated Payload (36.00R51 Tires) - - 157 ton (US)
Rated Gross Machine Weight (36.00R51 tires) - - 564000 lb
Chassis Weight (33.00R51 Tires) - - 186799 lb
Chassis Weight (36.00R51 Tires) - - 193192 lb
Note (1) - - Consult your tire manufacturer for maximum tire load
Note (2) - - Chassis weight with full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires.
Note (3) - - Body weight varies depending on body selection and configuration.

Weight Distributions - Approximate

Front Axle - Empty - 51.4 % 48%
Front Axle - Loaded - 34.2 % 33%
Rear Axle - Empty - 48.6 % 52%
Rear Axle - Loaded - 65.8 % 67%
Note - - Weight distributions optimized with Cat body.

Final Drives

Differential Ratio - 2.74:1 2:10:01
Planetary Ratio - 4.80:1 10.83:1
Total Reduction Ratio - 13.14:1 22.75:1
Type - - Double reduction, planetary with full floating axles.

Body Hoists

Pump Flow - High Idle - 112 gal/min 192.7 gal/min
Relief Valve Setting - Raise - 2750 psi 2500 psi
Relief Valve Setting - Lower - 500 psi -
Body Raise Time - High Idle - 8 s 15.2 s
Body Lower Time - Float - 10 s -
Body Power Down - High Idle - 10 s -
Type - - Twin, two-stage hydraulic cylinders with snubbing valve.
Body Lower Time - Float High Idle - - 15.9 s
Body Lower Time - Float Low Idle - - 16.2 s
Body Power Down- High Idle - - 15.9 s

Suspension

Rear axle - Oscillation - 8.9 ° +/- 5 degrees
Empty Loaded Cylinder Stroke Front - 9.2 in -
Empty Loaded Cylinder Stroke Rear - 5.8 in -
Type - - Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments
Effective Cylinder Stroke - Front - - 12.6 in
Effective Cylinder Stroke - Rear - - 6.5 in

Capacity - Dual Slope - 100% Fill Factor

Heaped 2:1 (SAE) - 40.8 yd³ -
Struck - 31.3 yd³ -

Capacity - Flat Floor - 100% Fill Factor

Struck - 31.3 yd³ -
Heaped 2:1 (SAE) - 40.9 yd³ -

Sound

Sound Standards (3) - Operator Equivalent Sound Pressure Level (Leq) is 78 dB(A) when ISO 6396:2008 is used to measure the value for an enclosed cab. -
Sound Standards (2) - Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 118 dB(A). -
Sound Standards (1) - Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment. -

Dimensions

Height - Top of ROPS - 12.8 ft -
Inside Body Depth - Maximum - 5.7 ft -
Overall Body Length - 26.8 ft -
Inside Body Length - 19 ft -
Overall Length - 28.9 ft -
Wheel Base - 13 ft -
Rear Axle - Tail - 9.5 ft -
Ground Clearance - 1.6 in -
Dump Clearance - 1.5 ft -
Loading Height - Empty - 11.6 ft -
Overall Height - Body Raised - 27.1 ft -
Operating Width - 15.7 ft -
Centerline Front Tire Width - 10.4 ft -
Engine Guard Clearance - 2 ft -
Outside Body Width - 12.9 ft -
Inside Body Width - 11.9 ft -
Front Canopy Height - 13.7 ft -
Rear Axle - Clearance - 1.9 ft -
Centerline of Rear Dual Tire Width - 8.7 ft -
Overall Tire Width - 12.9 ft -

Tires

Standard Tire - 21.00R33 (E4) 33.00R51
Optional Tire - - 36.00R51
Rims - - 610 mm (24") Rims (standard). 660 mm (26") Rims (optional).
Note (1) - - Quick Change Rims optional.
Note (2) - - Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.

Braking System

Service Brakes - - Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Front Wet Disc Brake Surface Area - - 9487 in²
Rear - Wet Disc Brake Surface Area - - 13908 in²
Standards - - Service and Secondary: ISO 3450:2011
Parking Brake - - Four corner, multi disc, spring applied, hydraulically released

Capacity - MSD II - 100% Fill Factor

Struck - - 72 m^3 / 94 yd^3
Heaped (SAE 2:1) - - 99 m^3 / 129 yd^3
Note - - Consult your local Cat dealer for body recommendations.

Cab

Air Conditioning - - HFC - 134A refrigerant: 24,500 Btu/h
Heater / Defroster - - 33300 Btu/h
Note - - The operator sound pressure level, 77 dB(A) with direct drive and 75 dB9A) with optional clutch, tested to ISO 6396:2008.
ROPS Standards (1) - - ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer.
FOPS Standards - - FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II for Operator and ISO 13459:2012 Level II for Trainer.

Dimensions (All dimensions are approximate. MSD II Body, 33R51 tires, unloaded machine.)

Height - Top of ROPS - - 17.09 ft
Overall Body Length - - 39.32 ft
Inside Body Length - - 27.29 ft
Overall Length - - 39.23 ft
Wheel Base - - 17 ft
Rear Axle - Tail - - 12.56 ft
Ground Clearance - - 3.29 ft
Dump Clearance - - 3.7 ft
Loading Height - Empty - - 17.39 ft
Inside Body Depth - Maximum - - 9.15 ft
Overall Height - Body Raised - - 39.48 ft
Operating Width - - 24.72 ft
Centerline Front Tire Width - - 15.91 ft
Engine Guard Clearance - - 3.41 ft
Overall Canopy Width - - 24.81 ft
Outside Body Width - - 22 ft
Inside Body Width - - 19.72 ft
Front Canopy Height - - 19.8 ft
Rear Axle - Clearance - - 3.25 ft
Centerline of Rear Dual Tire Width - - 14.06 ft
Overall Tire Width - - 20.59 ft
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