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797F Mining Truck
775G Off-Highway Truck
770 Off-Highway Truck

Weights - Approximate

Nominal Rated Payload 400 ton (US) - -
Rated Gross Machine Weight 1375000 lb - -
Chassis Weight 474472 lb - 55948 lb
Body Weight 94799 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 (4) Tier 4 Chassis Weight: 486263 lb (220565 kg) - -
Target Gross Machine Operating Weight - - 157000 lb
Target Gross Machine Weight - - 157000 lb

Engine

Gross Power - SAE J1995 4000 HP 825 HP 515 HP
Net Power - SAE J1349 3795 HP - 477 HP
Engine Model Cat® C175-20 Cat® C27 Cat® C15
Rated Speed 1750 r/min - -
Emissions U.S. EPA Compliant. Where applicable, the Cat C175-20 engine is compliant with U.S. EPA emission standards.Tier 4 engine option available to meet Tier 4 Final emission standards. - Meets U.S. EPA Tier 4 and EU Stage V emission standards.
Bore 6.9 in 5.4 in 5.4 in
Stroke 8.7 in 6 in 6.7 in
Displacement 6469 in³ 1648 in³ 927.6 in³
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 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) High Altitude Low Maintenance Ratio Engine Configuration (4x4) option available. - No engine derating required up to 3000 m (9,843 ft) altitude.
Rated Net Power - SAE J1349 - 683 HP -
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 - ISO 9249 - - 477 HP
Net Power - 80/1269/EEC - - 489 HP
Net Power - ISO 14396 - - 508 HP
Net Torque - SAE J1349 - - 1834 ft·lbf
Number of Cylinders - - 6
Note (4) - - Meets Japan Small Volume Exemption.

Body Hoists

Type Twin, two-stage hydraulic cylinders with snubbing valve. - -
Pump Flow - High Idle 317 gal/min - 118 gal/min
Relief Valve Setting - Raise 3510 psi - 2750 psi
Body Raise Time - High Idle 25 s - 7.5 s
Body Lower Time - Float 18 s - 10 s
Body Power Down- High Idle 18 s - -
Relief Valve Setting - Lower - - 500 psi
Body Power Down - High Idle - - 10 s

Suspension

Type Self-contained nitrogen/oil cylinders, rear strut pin-to-pin mounting, top & bottom double shear clevis attachments - -
Effective Cylinder Stroke - Front 3.9 in - -
Effective Cylinder Stroke - Rear 3.7 in - -
Rear axle - Oscillation ±3.96 degrees - 8.9 °
Empty Loaded Cylinder Stroke Front - - 9.2 in
Empty Loaded Cylinder Stroke Rear - - 5.9 in

Service Refill Capacities

Fuel Tank 1000 gal (US) - 140 gal (US)
Fuel Tank (Tier 4) 1200 gal (US) - -
Diesel Exhaust Fluid Tank 100 gal (US) - -
Cooling System 306 gal (US) 45 gal (US) 33 gal (US)
Crankcase 103 gal (US) 24 gal (US) 17 gal (US)
Front Wheels - Each 16 gal (US) - -
Differentials 330 gal (US) - -
Steering Tank 67 gal (US) - 14.5 gal (US)
Steering System - Including Tank 95 gal (US) 14 gal (US) 23 gal (US)
Brake/Hoist Tank 203 gal (US) - -
Brake Hoist System - Includes Tank 489 gal (US) - -
Torque Converter Sump 80 gal (US) - -
Torque Converter/Transmission System - Including Sump 166 gal (US) - -
Note (1) DEF Tank only available for EPA Tier 4 engine option. - -
Fuel Tank Capacity - 210 gal (US) -
Differential - Final Drives - 38 gal (US) 47 gal (US)
Brake/Hoist Hydraulic Tank - 46.5 gal (US) 38 gal (US)
Brake Hoist System - 85 gal (US) 60 gal (US)
Torque Converter - Transmission System - - 17 gal (US)
DEF Tank - - 6 gal (US)

Weight Distributions - Approximate

Front Axle - Empty 47.20% - 49 %
Rear Axle - Empty 52.80% - 51 %
Front Axle - Loaded 33.30% - 34 %
Rear Axle - Loaded 66.70% - 66 %
Note Weight distributions optimized with Cat body. - -

Final Drives

Type Double reduction, planetary with full floating axles. - -
Differential Ratio 1.276:1 - 1.92:1
Planetary Ratio 16.67:1 - 4.80:1
Total Reduction Ratio 21.26:1 - 9.26:1
Note Double reduction, planetary with full floating axles. - -

Tires

Tires 59/80 R63 - -
Rims 44" x 63" - -
Note Quick Change Rims optional. - -
Note (1) Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities. - 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.
Standard Tire - - 18.00R33 (E4)
Note (2) - - Caterpillar recommends the customer evaluates all job conditions and consults the tire manufacturer for proper tire selection.

Braking System

Service Brakes Service Brakes: Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated - -
Front Wet Disc Brake Surface Area 20500 in² - -
Rear - Wet Disc Brake Surface Area 30750 in² - -
Standards Service and Secondary: ISO 3450:2011 - -
Parking Brake Four-corner, Multi-disc, Spring Applied, Hydraulically Released - -
Load Brake Rear service brakes - -
Note Anti-Lock Brake System (ABS) optional with CMD package - -

Capacity - HP Body - 100% Fill Factor

Struck 225 yd³ / 172 m³ - -
Heaped (SAE 2:1)* 330 yd³ / 252 m³ - -
Note (1) Consult your local Cat dealer for body recommendations. - -

Cab

Air Conditioning HFC - 134A refrigerant: 24,300 Btu/h - -
Heater / Defroster 38900 Btu/h - -
Note Ambient capabilities down to -30C (-22F) for heater/defroster and up to 50C (122F) for air conditioning. - -
ROPS Standards (1) The operator sound pressure level, 76 dB(A), complies with ISO 6394:2008 and ISO 6396:2008. - -
ROPS Standards (2) ROPS (Rollover Protective Structure) meets ISO 3471:1994 criteria. - -
FOPS Standards FOPS (Falling Objects Protective Structure) meets ISO 3449:1992 Level II criteria. - -

Steering

Steering Angle 40 ° - -
Turning Diameter - Front 122.7 ft - 57.7 ft
Steering Standards ISO 5010:2007 ISO 5010:2007 ISO 5010:2007
Note Turning Diameter (ISO 7457:2009) - Target gross machine operating weight is 71 214 kg (157,000 lb).
Steer Angle - 31 ° 40.5 °
Turning Diameter - 77.1 ft -
Turning Circle - Clearance Diameter - 85.6 ft 66.6 ft

Transmission

Forward - 1 6.6 mile/h 6.6 mile/h 7.4 mile/h
Forward - 2 8.9 mile/h 9.3 mile/h 10.1 mile/h
Forward - 3 12 mile/h 12.6 mile/h 13.8 mile/h
Forward - 4 16.2 mile/h 16.8 mile/h 18.5 mile/h
Forward - 5 21.8 mile/h 22.8 mile/h 25.1 mile/h
Forward - 6 29.4 mile/h 30.7 mile/h 33.8 mile/h
Forward - 7 39.5 mile/h 41.6 mile/h 45.8 mile/h
Reverse 7.4 mile/h 8.7 mile/h 8.8 mile/h
Top Speed - Loaded 39.5 mile/h - -
Note - Maximum travel speeds with standard 24.00R35 (E4) tires Maximum travel speeds with standard 18.00R33 (E4) tires.

Dimensions

Rear Axle - Clearance - Loaded 3.08 ft - -
Inside Body Depth - Maximum 11 ft - 4.6 ft
Overall Height - Body Raised 51.5 ft - 27.1 ft
Loaded Ground Clearance 2.58 ft - -
Loading Height - Empty 23 ft - 10.3 ft
Engine Guard Clearance - Loaded 3.33 ft - -
Height - Top of ROPS - Empty 21.4 ft - -
Front Canopy Height - Empty 25.33 ft - -
Overall Body Length 48.6 ft - 26.8 ft
Inside Body Length 32.75 ft - 18.5 ft
Overall Length 49.5 ft - 28.9 ft
Wheel Base 23.58 ft - 13 ft
Rear Axle - Tail 12.9 ft - 8.5 ft
Dump Clearance 6.58 ft - 1.7 ft
Centerline Front Tire Width 21.41 ft - 10.2 ft
Overall Canopy Width 29.91 ft - -
Outside Body Width 32 ft - 12.9 ft
Inside Body Width 27.91 ft - 11.9 ft
Centerline of Rear Dual Tire Width 20.41 ft - 8.3 ft
Overall Tire Width 31.25 ft - 12.1 ft
Height - Top of ROPS - - 12.7 ft
Ground Clearance - - 1.6 ft
Operating Width - - 15.7 ft
Engine Guard Clearance - - 1.8 ft
Front Canopy Height - - 13.5 ft
Rear Axle - Clearance - - 1.8 ft

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 -
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) -
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.

Brakes

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

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.
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