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

Weights

LRC Bare Chassis Weight without Hoist 75118 lb 58414 lb - -
LRC Bare Chassis Weight with Hoist 76326 lb 59223 lb - -
LRC Gross Vehicle Weight (Target) without Hoist 246503 lb 180999 lb - -
LRC Gross Vehicle Weight (Target) with Hoist 246503 lb 180999 lb - -
HRC Bare Chassis Weight without Hoist 76573 lb 59567 lb - -
HRC Bare Chassis Weight with Hoist 77781 lb 60376 lb - -
HRC Gross Vehicle Weight (Target) without Hoist 246503 lb 180999 lb - -
HRC Gross Vehicle Weight (Target) with Hoist 246503 lb 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. 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 77430 lb - -
ROPS Standards - - - Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.
FOPS Standards - - - Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria.

Operating Specifications

Nominal Water Tank Capacity 15000 gal (US) 11000 gal (US) - -
Nominal Payload Class (100%) - - - 42.1 ton (US)
Top Speed - Loaded - - - 45.8 mile/h
Target Payload (100%) - - - 42.1 ton (US)
Maximum Working Payload (110%) - - - 46.3 ton (US)
Maximum Allowable Payload (120%)* - - - 50.5 ton (US)
Body Capacity - SAE 2:1 - - - 32.9 yd³
Note (1) - - - *Refer to Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations.
Note (2) - - - Target payload and capacity based on Dual Slope body with no liner. Attachment selection will affect payload and maximum gross machine operating weight.

Steering

Steering Standards ISO 5010:2007 ISO 5010:2007 ISO 5010:2007 ISO 5010:2007
Steer Angle 31 ° 31 ° 36 ° 40.5 °
Turning Diameter 77.1 ft 57.7 ft - -
Turning Circle - Clearance Diameter 85.6 ft 66.6 ft - 66.6 ft
Turning Diameter - ISO 7457:1997 (33.00R51 tires) - - 97.75 ft -
Turning Diameter - Front - - - 57.7 ft
Note - - - Target gross machine operating weight is 71 214 kg (157,000 lb).

Engine

Engine Model Cat® C27 Cat® C18 Cat� 3512E Cat® C15
Gross Power - SAE J1995 825 HP 605 HP 1600 HP 515 HP
Rated Net Power - SAE J1349 683 HP 550 HP - -
Bore 5.4 in 5.7 in 6.7 in 5.4 in
Stroke 6 in 7.2 in 8.5 in 6.7 in
Displacement 1648 in³ 1105 in³ 3573 in³ 927.6 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. Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator. - -
Rated Engine Speed - 1700 r/min - 1700 r/min
Number of Cylinders - 6 - 6
Net Power - SAE J1349 - - 1509 HP 477 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. Power rating applies at 1,700 rpm when tested under the specified condition for the specified standard.
Note (2) - - U.S. EPA Tier 4 Final / EU Stage V available for applicable markets. 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).
Note (3) - - Additional fuel optimized selectable power ratings: 1,450 hp No engine derating required up to 3000 m (9,843 ft) altitude.
Net Power - ISO 9249 - - - 477 HP
Net Power - 80/1269/EEC - - - 489 HP
Net Power - ISO 14396 - - - 508 HP
Net Torque - SAE J1349 - - - 1834 ft·lbf
Note (4) - - - Meets Japan Small Volume Exemption.
Emissions - - - Meets U.S. EPA Tier 4 and EU Stage V emission standards.

Transmission

Forward - 1 6.6 mile/h 8 mile/h 7.5 mile/h 7.4 mile/h
Forward - 2 9.3 mile/h 10.9 mile/h 10.2 mile/h 10.1 mile/h
Forward - 3 12.6 mile/h 14.8 mile/h 13.8 mile/h 13.8 mile/h
Forward - 4 16.8 mile/h 19.8 mile/h 18.6 mile/h 18.5 mile/h
Forward - 5 22.8 mile/h 26.9 mile/h 25.2 mile/h 25.1 mile/h
Forward - 6 30.7 mile/h 36.2 mile/h 34 mile/h 33.8 mile/h
Forward - 7 41.6 mile/h 49.2 mile/h - 45.8 mile/h
Reverse 8.7 mile/h 10.4 mile/h 6.8 mile/h 8.8 mile/h
Note Maximum travel speeds with standard 24.00R35 (E4) tires Maximum travel speeds with standard 21.00R33 (E4) tires. Maximum travel speeds with standard 33.00-R51 tires. Maximum travel speeds with standard 18.00R33 (E4) tires.
Top Speed - Loaded - - 34 mile/h -

Brakes

Brake Surface - Front 257 in² 216 in² - 216 in²
Brake Surface - Rear 9497 in² 7794 in² - 6235 in²
Brake Standards - - - ISO 3450:2011
Note - - - Target gross machine operating weight is 71 214 kg (157,000 lb).

Service Refill Capacities

Fuel Tank Capacity 210 gal (US) 140 gal (US) - -
Cooling System 45 gal (US) 33 gal (US) 100 gal (US) 33 gal (US)
Crankcase 24 gal (US) 17 gal (US) 54 gal (US) 17 gal (US)
Differential - Final Drives 38 gal (US) 47 gal (US) 139 gal (US) 47 gal (US)
Steering System - Including Tank 14 gal (US) 60 gal (US) - 23 gal (US)
Brake/Hoist Hydraulic Tank 46.5 gal (US) 38 gal (US) - 38 gal (US)
Brake Hoist System 85 gal (US) 60 gal (US) - 60 gal (US)
Torque Converter - Transmission System - 17 gal (US) - 17 gal (US)
Fuel Tank - - 410 gal (US) 140 gal (US)
Diesel Exhaust Fluid Tank - - 36 gal (US) -
Front Wheels - Each - - 8 gal (US) -
Steering Tank - - 29 gal (US) 14.5 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) -
DEF Tank - - - 6 gal (US)

Weights - Approximate

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 -
Body Weight - - 57779 lb 17306 lb
Note (1) - - Consult your tire manufacturer for maximum tire load Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires.
Note (2) - - Chassis weight with full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires. Body weight is the standard Dual Slope body with no liner and will vary depending on configuration.
Note (3) - - Body weight varies depending on body selection and configuration. -
Target Gross Machine Operating Weight - - - 157000 lb
Target Gross Machine Weight - - - 157000 lb
Chassis Weight - - - 55948 lb

Weight Distributions - Approximate

Front Axle - Empty - - 48% 49 %
Rear Axle - Empty - - 52% 51 %
Front Axle - Loaded - - 33% 34 %
Rear Axle - Loaded - - 67% 66 %
Note - - Weight distributions optimized with Cat body. -

Final Drives

Type - - Double reduction, planetary with full floating axles. -
Differential Ratio - - 2:10:01 1.92:1
Planetary Ratio - - 10.83:1 4.80:1
Total Reduction Ratio - - 22.75:1 9.26:1

Tires

Standard Tire - - 33.00R51 18.00R33 (E4)
Optional Tire - - 36.00R51 -
Rims - - 610 mm (24") Rims (standard). 660 mm (26") Rims (optional). -
Note (1) - - Quick Change Rims optional. Productive capabilities of the 770G 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 tire manufacturer for proper tire selection and TKPH (TMPH) capabilities. Caterpillar recommends the customer evaluates all job conditions and consults the tire manufacturer for proper tire selection.

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. -

Body Hoists

Type - - Twin, two-stage hydraulic cylinders with snubbing valve. -
Pump Flow - High Idle - - 192.7 gal/min 118 gal/min
Relief Valve Setting - Raise - - 2500 psi 2750 psi
Body Raise Time - High Idle - - 15.2 s 7.5 s
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 -
Relief Valve Setting - Lower - - - 500 psi
Body Lower Time - Float - - - 10 s
Body Power Down - High Idle - - - 10 s

Suspension

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 -
Rear axle - Oscillation - - +/- 5 degrees 8.9 °
Empty Loaded Cylinder Stroke Front - - - 9.2 in
Empty Loaded Cylinder Stroke Rear - - - 5.9 in

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 -

Capacity - Dual Slope - 100% Fill Factor

Struck - - - 23.01 yd³
Heaped (SAE 2:1)* - - - 32.9 yd³
Note (2) - - - *ISO 6483:1980.
Note (1) - - - Contact your local Cat dealer for body recommendation.

Capacity - Flat Floor - 100% Fill Factor

Struck - - - 23.01 yd³
Heaped (SAE 2:1)* - - - 32.9 yd³
Note (1) - - - Contact your local Cat dealer for body recommendation.
Note (2) - - - *ISO 6483:1980.

Sound

Sound Standards (1) - - - Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment.
Sound Standards (2) - - - Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 116 dB(A).
Sound Standards (3) - - - Operator Equivalent Sound Pressure Level is 79 dB(A) & 74 dB(A) with EU sound suppression applied when ISO 6396:2008 is used.

Dimensions

Height - Top of ROPS - - - 12.7 ft
Overall Body Length - - - 26.8 ft
Inside Body Length - - - 18.5 ft
Overall Length - - - 28.9 ft
Wheel Base - - - 13 ft
Rear Axle - Tail - - - 8.5 ft
Ground Clearance - - - 1.6 ft
Dump Clearance - - - 1.7 ft
Loading Height - Empty - - - 10.3 ft
Inside Body Depth - Maximum - - - 4.6 ft
Overall Height - Body Raised - - - 27.1 ft
Operating Width - - - 15.7 ft
Centerline Front Tire Width - - - 10.2 ft
Engine Guard Clearance - - - 1.8 ft
Outside Body Width - - - 12.9 ft
Inside Body Width - - - 11.9 ft
Front Canopy Height - - - 13.5 ft
Rear Axle - Clearance - - - 1.8 ft
Centerline of Rear Dual Tire Width - - - 8.3 ft
Overall Tire Width - - - 12.1 ft
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