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775G Off-Highway Truck
772 (07) Off-Highway Truck
770 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. Falling Objects Protective Structure (FOPS) 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. Rollover Protective Structure (ROPS) 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) 42.1 ton (US) -
Top Speed - Loaded - 49.2 mile/h 45.8 mile/h -
Maximum Payload Class (110%) - 56.7 ton (US) - -
Body Capacity - SAE 2:1 - 40.8 yd³ 32.9 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 - -
Target Payload (100%) - - 42.1 ton (US) -
Maximum Working Payload (110%) - - 46.3 ton (US) -
Maximum Allowable Payload (120%)* - - 50.5 ton (US) -
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 ° 40.5 ° 40.5 ° 36 °
Turning Diameter 77.1 ft - - -
Turning Circle - Clearance Diameter 85.6 ft 66.6 ft 66.6 ft -
Turning Diameter - Front - 57.7 ft 57.7 ft -
Note - - Target gross machine operating weight is 71 214 kg (157,000 lb). -
Turning Diameter - ISO 7457:1997 (33.00R51 tires) - - - 97.75 ft

Engine

Engine Model Cat® C27 Cat® C18 Cat® C15 Cat� 3512E
Gross Power - SAE J1995 825 HP 605 HP 515 HP 1600 HP
Rated Net Power - SAE J1349 683 HP - - -
Bore 5.4 in 5.7 in 5.4 in 6.7 in
Stroke 6 in 7.2 in 6.7 in 8.5 in
Displacement 1648 in³ 1105 in³ 927.6 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 1700 r/min -
Net Power - SAE J1349 - 550 HP 477 HP 1509 HP
Net Power - ISO 9249 - 550 HP 477 HP -
Number of Cylinders - 6 6 -
Net Torque - SAE J1349 - 2221 ft-lb 1834 ft·lbf -
Engine Power - ISO 14396 - 598 HP - -
Net Power - 80/1269/EEC - - 489 HP -
Net Power - ISO 14396 - - 508 HP -
Note (1) - - Power rating applies at 1,700 rpm when tested under the specified condition for the specified standard. 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) - - 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). U.S. EPA Tier 4 Final / EU Stage V available for applicable markets.
Note (3) - - No engine derating required up to 3000 m (9,843 ft) altitude. Additional fuel optimized selectable power ratings: 1,450 hp
Note (4) - - Meets Japan Small Volume Exemption. -
Emissions - - Meets U.S. EPA Tier 4 and EU Stage V emission standards. -
Emissions Rating - - - Fuel Optimized

Transmission

Forward - 1 6.6 mile/h 8 mile/h 7.4 mile/h 7.5 mile/h
Forward - 2 9.3 mile/h 10.9 mile/h 10.1 mile/h 10.2 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 18.5 mile/h 18.6 mile/h
Forward - 5 22.8 mile/h 26.9 mile/h 25.1 mile/h 25.2 mile/h
Forward - 6 30.7 mile/h 36.2 mile/h 33.8 mile/h 34 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 8.8 mile/h 6.8 mile/h
Note Maximum travel speeds with standard 24.00R35 (E4) tires - Maximum travel speeds with standard 18.00R33 (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 216 in² -
Brake Surface - Rear 9497 in² 7794 in² 6235 in² -
Brake Standards - ISO 3450:1996 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) - - -
Cooling System 45 gal (US) 33 gal (US) 33 gal (US) 100 gal (US)
Crankcase 24 gal (US) 17 gal (US) 17 gal (US) 54 gal (US)
Differential - Final Drives 38 gal (US) 47 gal (US) 47 gal (US) 139 gal (US)
Steering System - Including Tank 14 gal (US) 23 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) -
Fuel Tank - 140 gal (US) 140 gal (US) 410 gal (US)
Steering Tank - 14.5 gal (US) 14.5 gal (US) 29 gal (US)
Torque Converter - Transmission System - 17 gal (US) 17 gal (US) -
DEF Tank - 6 gal (US) 6 gal (US) -
Diesel Exhaust Fluid Tank - - - 36 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 157000 lb -
Chassis Weight - 59223 lb 55948 lb -
Body Weight - 17306 lb 17306 lb 57779 lb
Target Gross Machine Weight - 181000 lb 157000 lb -
Note (1) - - Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires. Consult your tire manufacturer for maximum tire load
Note (2) - - Body weight is the standard Dual Slope body with no liner and will vary depending on configuration. Chassis weight with full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires.
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 (3) - - - Body weight varies depending on body selection and configuration.

Weight Distributions - Approximate

Front Axle - Empty - 51.4 % 49 % 48%
Front Axle - Loaded - 34.2 % 34 % 33%
Rear Axle - Empty - 48.6 % 51 % 52%
Rear Axle - Loaded - 65.8 % 66 % 67%
Note - - - Weight distributions optimized with Cat body.

Final Drives

Differential Ratio - 2.74:1 1.92:1 2:10:01
Planetary Ratio - 4.80:1 4.80:1 10.83:1
Total Reduction Ratio - 13.14:1 9.26:1 22.75:1
Type - - - Double reduction, planetary with full floating axles.

Body Hoists

Pump Flow - High Idle - 112 gal/min 118 gal/min 192.7 gal/min
Relief Valve Setting - Raise - 2750 psi 2750 psi 2500 psi
Relief Valve Setting - Lower - 500 psi 500 psi -
Body Raise Time - High Idle - 8 s 7.5 s 15.2 s
Body Lower Time - Float - 10 s 10 s -
Body Power Down - High Idle - 10 s 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 ° 8.9 ° +/- 5 degrees
Empty Loaded Cylinder Stroke Front - 9.2 in 9.2 in -
Empty Loaded Cylinder Stroke Rear - 5.8 in 5.9 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 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 - 31.3 yd³ 23.01 yd³ -
Heaped 2:1 (SAE) - 40.9 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 (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. Operator Equivalent Sound Pressure Level is 79 dB(A) & 74 dB(A) with EU sound suppression applied when ISO 6396:2008 is used. -
Sound Standards (2) - Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 118 dB(A). Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 116 dB(A). -
Sound Standards (1) - Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment. 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 12.7 ft -
Inside Body Depth - Maximum - 5.7 ft 4.6 ft -
Overall Body Length - 26.8 ft 26.8 ft -
Inside Body Length - 19 ft 18.5 ft -
Overall Length - 28.9 ft 28.9 ft -
Wheel Base - 13 ft 13 ft -
Rear Axle - Tail - 9.5 ft 8.5 ft -
Ground Clearance - 1.6 ft 1.6 ft -
Dump Clearance - 1.5 ft 1.7 ft -
Loading Height - Empty - 11.6 ft 10.3 ft -
Overall Height - Body Raised - 27.1 ft 27.1 ft -
Operating Width - 15.7 ft 15.7 ft -
Centerline Front Tire Width - 10.4 ft 10.2 ft -
Engine Guard Clearance - 2 ft 1.8 ft -
Outside Body Width - 12.9 ft 12.9 ft -
Inside Body Width - 11.9 ft 11.9 ft -
Front Canopy Height - 13.7 ft 13.5 ft -
Rear Axle - Clearance - 1.9 ft 1.8 ft -
Centerline of Rear Dual Tire Width - 8.7 ft 8.3 ft -
Overall Tire Width - 12.9 ft 12.1 ft -

Tires

Standard Tire - 21.00R33 (E4) 18.00R33 (E4) 33.00R51
Note (1) - - 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. Quick Change Rims optional.
Note (2) - - Caterpillar recommends the customer evaluates all job conditions and consults the tire manufacturer for proper tire selection. Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.
Optional Tire - - - 36.00R51
Rims - - - 610 mm (24") Rims (standard). 660 mm (26") Rims (optional).

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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