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775G Off-Highway Truck
770 Off-Highway Truck
789 Next Generation
798 AC Electric Drive Mining Truck

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. - -

Steering

Steering Standards ISO 5010:2007 ISO 5010:2007 ISO 5010:2007 Steering Standards: ISO 5010:2007
Steer Angle 31 ° 40.5 ° 36.07 ° 39 °
Turning Diameter 77.1 ft - - -
Turning Circle - Clearance Diameter 85.6 ft 66.6 ft - -
Turning Diameter - Front - 57.7 ft - 106.3 ft
Note - Target gross machine operating weight is 71 214 kg (157,000 lb). - Turning Diameter (ISO 7457:1997)

Engine

Engine Model Cat® C27 Cat® C15 Cat® 3516E Cat® C175-16
Gross Power - SAE J1995 825 HP 515 HP - 3500 HP
Rated Net Power - SAE J1349 683 HP - - -
Bore 5.4 in 5.4 in 6.7 in 6.9 in
Stroke 6 in 6.7 in 8.5 in 8.7 in
Displacement 1648 in³ 927.6 in³ 4766 in³ 5187 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 - 477 HP - 3405 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 - -
Number of Cylinders - 6 - -
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. 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). Optional 1417 kW / 1,900 HP engine rating. 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. U.S. EPA Tier 4 Final / EU Stage V optional engine available for applicable markets. Additional fuel optimized selectable power ratings: 2312 kW / 3,100 hp
Note (4) - Meets Japan Small Volume Exemption. - -
Emissions - Meets U.S. EPA Tier 4 and EU Stage V emission standards. - -
Gross Power - SAE J1995:2014 - - 2100 HP -
Net Power - SAE J1349:2011 - - 1975 HP -
Rated Speed - - 1650 r/min 1800 r/min
Emissions Rating - - Fuel Optimized Fuel Optimized
Optional Gross Power - SAE J1995 - - - 3100 HP

Transmission

Forward - 1 6.6 mile/h 7.4 mile/h 7.8 mile/h -
Forward - 2 9.3 mile/h 10.1 mile/h 10.6 mile/h -
Forward - 3 12.6 mile/h 13.8 mile/h 14.4 mile/h -
Forward - 4 16.8 mile/h 18.5 mile/h 19.4 mile/h -
Forward - 5 22.8 mile/h 25.1 mile/h 26.3 mile/h -
Forward - 6 30.7 mile/h 33.8 mile/h 35.5 mile/h -
Forward - 7 41.6 mile/h 45.8 mile/h - -
Reverse 8.7 mile/h 8.8 mile/h 7.3 mile/h -
Note Maximum travel speeds with standard 24.00R35 (E4) tires Maximum travel speeds with standard 18.00R33 (E4) tires. - -
Top Speed - Loaded - - 35.5 mile/h -

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). - -

Service Refill Capacities

Fuel Tank Capacity 210 gal (US) - - -
Cooling System 45 gal (US) 33 gal (US) 180 gal (US) 211 gal (US)
Crankcase 24 gal (US) 17 gal (US) 77 gal (US) 82 gal (US)
Differential - Final Drives 38 gal (US) 47 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) 169 gal (US) -
Fuel Tank - 140 gal (US) 1000 gal (US) 1300 gal (US)
Steering Tank - 14.5 gal (US) - -
Torque Converter - Transmission System - 17 gal (US) - -
DEF Tank - 6 gal (US) - -
Fuel Tank - Standard - - 550 gal (US) -
Fuel Tank (Tier 4) - - 55 gal (US) 1200 gal (US)
Diesel Exhaust Fluid Tank - - 62 gal (US) 100 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) -
Final Drive - Each - - - 67 gal (US)
Hydraulic System - Including Tank - - - 385 gal (US)
Hydraulic Tank - - - 296 gal (US)
Grease Tank - - - 90 lb
Note (1) - - - DEF Tank only available for U.S. EPA Tier 4 Final / EU Stage V engine option

Weights - Approximate

Target Gross Machine Operating Weight - 157000 lb - -
Target Gross Machine Weight - 157000 lb - -
Chassis Weight - 55948 lb - 453826 lb
Body Weight - 17306 lb 60406 lb -
Note (1) - Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires. Consult your tire manufacturer for maximum tire load 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 and mandatory attachments, hoist, body mounting group, rims, and tires. Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires.
Nominal Rated Payload - - 213 ton (US) 410 ton (US)
Rated Gross Machine Weight - - 715000 lb 1375000 lb
Body Weight Range - - - 38 833 - 43 275 kg (85,611 - 95,406 lb)
Note (3) - - - Body weight varies depending on how body is equipped.

Final Drives

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

Body Hoists

Pump Flow - High Idle - 118 gal/min 106.5 gal/min 257.3 gal/min
Relief Valve Setting - Raise - 2750 psi 2749 psi 3029 psi
Relief Valve Setting - Lower - 500 psi - -
Body Raise Time - High Idle - 7.5 s 14 s 21 s
Body Lower Time - Float - 10 s 16 s 22 s
Body Power Down - High Idle - 10 s - -
Type - - Twin, two-stage hydraulic cylinders with snubbing valve. Twin, two-stage hydraulic cylinders with snubbing valve.
Body Power Down- High Idle - - - 17.5 s
Note (1) - - - Twin, two-stage hydraulic cylinders mounted outside main frame; double-acting cylinders in both stages.
Note (2) - - - Power raise in both stages; power down capability in both stages.
Note (3) - - - Automatic body-lower modulation reduces impact on frame.

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. - -

Weight Distributions - Approximate

Front Axle - Empty - 49 % 50% 47 %
Front Axle - Loaded - 34 % 33% 33 %
Rear Axle - Empty - 51 % 50% 53 %
Rear Axle - Loaded - 66 % 67% 67 %
Note - - - Weight distributions optimized with Cat body.

Suspension

Empty Loaded Cylinder Stroke Front - 9.2 in - -
Empty Loaded Cylinder Stroke Rear - 5.9 in - -
Rear axle - Oscillation - 8.9 ° +/- 5 degrees -
Type - - Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top and bottom double shear clevis attachments Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments
Effective Cylinder Stroke - Front - - 4.12 in 10 in
Effective Cylinder Stroke - Rear - - 3.67 in 5 in

Tires

Standard Tire - 18.00R33 (E4) - -
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 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. Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.
Standard Tires - - 37 R57 59/80 R63
Optional Tires - - 40 R57 -
Optional Tire - - 42/90 R57 -
Rims - - 29” x 57” Rims 44" x 63" Rims

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. - -
Sound Standards - - - The operator sound pressure level, 75 dB(A), measured according to ISO 6394:2008 and ISO 6396:2008.

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 - -

Braking System

Service Brakes - - Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Front Wet Disc Brake Surface Area - - 12662 in² 22642 in²
Rear - Wet Disc Brake Surface Area - - 20861 in² 32730 in²
Standards - - (Service and Secondary) ISO 3450:2011 Service and Secondary: ISO 3450:2011
Parking Brake - - Four-corner, Multi-disc, Spring applied, Hydraulically Released -
Electric Retarding - - - Radial Grid Design
Dynamic Retarding Power - Continuous - - - 5480 HP
Parking Brakes - - - 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 - - 77 m3(101 yd3) -
Heaped (SAE 2:1)* - - 143 m3(187 yd2) -
Note (1) - - Consult your local Cat dealer for body recommendations -

Cab

Air Conditioning - - (HFC - 134A refrigerant) 24,500 Btu/hr HFC - 134A refrigerant: 21,600 Btu/h
Heater / Defroster - - 33300 Btu/h 24600 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 (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer.
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. FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II for Operator and ISO 13459:2012 Level II for Trainer.
Note - - - Ambient capabilities down to -15C (5F) for heater/defroster and up to 50C (122F) for air conditioning.

Dimensions (Approximate)

Height - Top of ROPS - - 5550 mm 22.1 ft
Overall Body Length - - 12945 mm -
Inside Body Length - - 8730 mm -
Overall Length - - 12970 mm 51.44 ft
Wheel Base - - 57000 mm 21.9 ft
Rear Axle - Tail - - 3856 mm 16.07 ft
Ground Clearance - - 1304 mm -
Dump Clearance - - 1585 mm -
Loading Height - Empty - - 6147 mm 25.54 ft
Rear Sidewall Height - - 1010 mm -
Inside Body Depth - Maximum - - 3075 mm -
Overall Height - Body Raised - - 11534 mm 48.85 ft
Operating Width - - 7822 mm -
Centerline Front Tire Width - - 5410 mm 23.06 ft
Engine Guard Clearance - - 1290 mm -
Overall Canopy Width - - 7769 mm -
Outside Body Width - - 7123 mm -
Inside Body Width - - 6920 mm 29.44 ft
Front Canopy Height - - 6739 mm -
Rear Axle - Clearance - - 1263 mm -
Centerline of Rear Dual Tire Width - - 4695 mm 19.5 ft
Overall Tire Width - - 7120 mm -
Dump Clearance - Empty - - - 5.72 ft
Front Axle Clearance - Loaded - - - 2.81 ft
Overall Canopy Width (with rock deflectors) - - - 33.15 ft
Outside Body/Canopy Width (without rock deflectors) - - - 31.62 ft
Front Canopy Height - Empty - - - 26.01 ft
Rear Axle Clearance - Loaded - - - 2.8 ft
Overall Tire Width - Empty - - - 30.27 ft
Overall Length (High Altitude only) - - - 51.87 ft
Note - - - Dimensions listed includes canopy deflectors

Service Refill Capacities - High Altitude Only

Fuel Tank - - - 2000 gal (US)
Cooling System - - - 273 gal (US)
Crankcase - - - 124 gal (US)
Hydraulic Tank - - - 273 gal (US)
Hydraulic System (includes tank) - - - 342 gal (US)

AC Drive System

Total Reduction Ratio - - - 35:01:00
Top Speed - Loaded - - - 40 mile/h
Generator/Alternator - - - Brushless, engine mounted, dual bearing
Controls - - - IGBT Inverter Technology, air cooled, pressurized cabinet with filtration
Wheel Motor - - - Cat high-torque AC induction, rear axle mounted
Cooling System - - - Cat variable speed, hydraulically driven cooling system

Capacity - HE Body - 100% fill factor

Struck - - - 129-200 m³ (168-261 yd³)
Heaped (SAE 2:1) - - - 218-276 m³ (285-361 yd³)
Note - - - Contact your local Cat dealer for body recommendations.

Engine - High Altitude Only

Engine Model - - - Cat® C175-20
Gross Power SAE J1995:2014 - - - 4150 HP
Net Power - SAE J1349:2011 - - - 4000 HP
Rated Speed - - - 1750 r/min
Emissions Rating - - - Fuel Optimized
Bore - - - 6.9 in
Stroke - - - 8.7 in
Displacement - - - 6469 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.
Note 2 - - - Additional fuel optimized selectable power rating: 2983 kW / 4,000 hp
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