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772G Off-Highway Truck
789 Next Generation
770 Off-Highway Truck

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. - -

ROPS

Tractor ROPS 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 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.

Engine

Engine Model Cat® C18 Cat® 3516E Cat® C15
Rated Engine Speed 1700 r/min - 1700 r/min
Gross Power - SAE J1995 605 HP - 515 HP
Rated Net Power - SAE J1349 550 HP - -
Number of Cylinders 6 - 6
Bore 5.7 in 6.7 in 5.4 in
Stroke 7.2 in 8.5 in 6.7 in
Displacement 1105 in³ 4766 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. - -
Gross Power - SAE J1995:2014 - 2100 HP -
Net Power - SAE J1349:2011 - 1975 HP -
Rated Speed - 1650 r/min -
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) - Optional 1417 kW / 1,900 HP engine rating. 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) - U.S. EPA Tier 4 Final / EU Stage V optional engine available for applicable markets. No engine derating required up to 3000 m (9,843 ft) altitude.
Net Power - SAE J1349 - - 477 HP
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 8 mile/h 7.8 mile/h 7.4 mile/h
Forward - 2 10.9 mile/h 10.6 mile/h 10.1 mile/h
Forward - 3 14.8 mile/h 14.4 mile/h 13.8 mile/h
Forward - 4 19.8 mile/h 19.4 mile/h 18.5 mile/h
Forward - 5 26.9 mile/h 26.3 mile/h 25.1 mile/h
Forward - 6 36.2 mile/h 35.5 mile/h 33.8 mile/h
Forward - 7 49.2 mile/h - 45.8 mile/h
Reverse 10.4 mile/h 7.3 mile/h 8.8 mile/h
Note Maximum travel speeds with standard 21.00R33 (E4) tires. - Maximum travel speeds with standard 18.00R33 (E4) tires.
Top Speed - Loaded - 35.5 mile/h -

Brakes

Brake Surface - Front 216 in² - 216 in²
Brake Surface - Rear 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 140 gal (US) - -
Cooling System 33 gal (US) 180 gal (US) 33 gal (US)
Crankcase 17 gal (US) 77 gal (US) 17 gal (US)
Brake/Hoist Hydraulic Tank 38 gal (US) - 38 gal (US)
Brake Hoist System 60 gal (US) 169 gal (US) 60 gal (US)
Differential - Final Drives 47 gal (US) - 47 gal (US)
Steering System - Including Tank 60 gal (US) - 23 gal (US)
Torque Converter - Transmission System 17 gal (US) - 17 gal (US)
Fuel Tank - Standard - 550 gal (US) -
Fuel Tank - 1000 gal (US) 140 gal (US)
Fuel Tank (Tier 4) - 55 gal (US) -
Diesel Exhaust Fluid Tank - 62 gal (US) -
Front Wheels - Each - 5.8 gal (US) -
Differentials - 161 gal (US) -
Steering System - 42 gal (US) -
Steering System - Includes Tank - 46 gal (US) -
Brake Hoist System - Includes Tank - 347 gal (US) -
Torque Converter - Transmission System - Including Sump - 55 gal (US) -
Steering Tank - - 14.5 gal (US)
DEF Tank - - 6 gal (US)

Steering

Steering Standards ISO 5010:2007 ISO 5010:2007 ISO 5010:2007
Steer Angle 31 ° 36.07 ° 40.5 °
Turning Diameter 57.7 ft - -
Turning Circle - Clearance Diameter 66.6 ft - 66.6 ft
Turning Diameter - Front - - 57.7 ft
Note - - Target gross machine operating weight is 71 214 kg (157,000 lb).

Weights - Approximate

Nominal Rated Payload - 213 ton (US) -
Rated Gross Machine Weight - 715000 lb -
Body Weight - 60406 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 and 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.
Target Gross Machine Operating Weight - - 157000 lb
Target Gross Machine Weight - - 157000 lb
Chassis Weight - - 55948 lb

Weight Distributions - Approximate

Front Axle - Empty - 50% 49 %
Rear Axle - Loaded - 67% 66 %
Rear Axle - Empty - 50% 51 %
Front Axle - Loaded - 33% 34 %

Final Drives

Planetary Ratio - 10.83:1 4.80:1
Total Reduction Ratio - 25.46:1 9.26:1
Type - Double reduction, planetary with full floating axles -
Differential Ratio - 2.35:1 1.92:1

Tires

Standard Tires - 37 R57 -
Optional Tires - 40 R57 -
Optional Tire - 42/90 R57 -
Rims - 29” x 57” Rims -
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.
Standard Tire - - 18.00R33 (E4)

Braking System

Service Brakes - Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated -
Front Wet Disc Brake Surface Area - 12662 in² -
Rear - Wet Disc Brake Surface Area - 20861 in² -
Standards - (Service and Secondary) ISO 3450:2011 -
Parking Brake - Four-corner, Multi-disc, Spring applied, Hydraulically Released -

Capacity - HP Body - 100% Fill Factor

Struck - 77 m3(101 yd3) -
Heaped (SAE 2:1)* - 143 m3(187 yd2) -
Note (1) - Consult your local Cat dealer for body recommendations -

Body Hoists

Type - Twin, two-stage hydraulic cylinders with snubbing valve. -
Pump Flow - High Idle - 106.5 gal/min 118 gal/min
Relief Valve Setting - Raise - 2749 psi 2750 psi
Body Raise Time - High Idle - 14 s 7.5 s
Body Lower Time - Float - 16 s 10 s
Relief Valve Setting - Lower - - 500 psi
Body Power Down - High Idle - - 10 s

Suspension

Type - Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top and bottom double shear clevis attachments -
Effective Cylinder Stroke - Front - 4.12 in -
Effective Cylinder Stroke - Rear - 3.67 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/hr -
Heater / Defroster - 33300 Btu/h -
ROPS Standards (1) - The operator sound pressure level, 77 dB(A) with direct drive and 75 dB(A) with optional clutch, tested to ISO 6396:2008. -
ROPS Standards (2) - 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 (Approximate)

Height - Top of ROPS - 5550 mm -
Overall Body Length - 12945 mm -
Inside Body Length - 8730 mm -
Overall Length - 12970 mm -
Wheel Base - 57000 mm -
Rear Axle - Tail - 3856 mm -
Ground Clearance - 1304 mm -
Dump Clearance - 1585 mm -
Loading Height - Empty - 6147 mm -
Rear Sidewall Height - 1010 mm -
Inside Body Depth - Maximum - 3075 mm -
Overall Height - Body Raised - 11534 mm -
Operating Width - 7822 mm -
Centerline Front Tire Width - 5410 mm -
Engine Guard Clearance - 1290 mm -
Overall Canopy Width - 7769 mm -
Outside Body Width - 7123 mm -
Inside Body Width - 6920 mm -
Front Canopy Height - 6739 mm -
Rear Axle - Clearance - 1263 mm -
Centerline of Rear Dual Tire Width - 4695 mm -
Overall Tire Width - 7120 mm -

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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