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775G Off-Highway Truck
770 Off-Highway Truck
794 AC 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
Steer Angle 31 ° 40.5 ° 39 °
Turning Diameter 77.1 ft - -
Turning Circle - Clearance Diameter 85.6 ft 66.6 ft -
Turning Diameter - Front - 57.7 ft -
Note - Target gross machine operating weight is 71 214 kg (157,000 lb). Gross Machine Operating Weight is 521 631 kg (1,150,000 lb).

Engine

Engine Model Cat® C27 Cat® C15 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 6.9 in
Stroke 6 in 6.7 in 8.7 in
Displacement 1648 in³ 927.6 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. Contact factory for high altitude configuration.
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). Tier 4 / EU Stage V option available for regions that require these emissions standards.
Note (3) - No engine derating required up to 3000 m (9,843 ft) altitude. Tier 4 / EU Stage V engine option Net Power - SAE J1349: 3434 HP (2561 kW)
Note (4) - Meets Japan Small Volume Exemption. -
Emissions - Meets U.S. EPA Tier 4 and EU Stage V emission standards. -
Standard Gross Power - SAE J1995 - - 3500 HP
Optional Gross Power - SAE J1995 - - 3100 HP
Optional Gross Power - SAE J1995 (Option 2) - - 2750 HP
Rated Speed - - 1800 r/min
Emissions Rating - - Fuel Optimized

Transmission

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

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) 211 gal (US)
Crankcase 24 gal (US) 17 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) -
Fuel Tank - 140 gal (US) 1300 gal (US)
Steering Tank - 14.5 gal (US) -
Torque Converter - Transmission System - 17 gal (US) -
DEF Tank - 6 gal (US) -
Final Drive - Each - - 67 gal (US)
Hydraulic Tank - - 296 gal (US)
Hydraulic System - Including Tank - - 385 gal (US)
Diesel Exhaust Fluid Tank - - 100 gal (US)
Note (1) - - DEF Tank only available for EPA Tier 4 / EU Stage V engine option.

Weights - Approximate

Target Gross Machine Operating Weight - 157000 lb -
Target Gross Machine Weight - 157000 lb -
Chassis Weight - 55948 lb 426237 lb
Body Weight - 17306 lb 64346 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 - - 327 ton (US)
Rated Gross Machine Weight - - 1150000 lb
Note (3) - - Refer to Cat Mining Truck 10/10/20 Overload Policy (AEXQ0250) for maximum gross machine weight limitations.
Note (4) - - Tier 4 Final / Stage V chassis weight: 426312 lb (193372 kg)

Final Drives

Differential Ratio - 1.92:1 -
Planetary Ratio - 4.80:1 -
Total Reduction Ratio - 9.26:1 35:01:00

Body Hoists

Pump Flow - High Idle - 118 gal/min -
Relief Valve Setting - Raise - 2750 psi 3029 psi
Relief Valve Setting - Lower - 500 psi -
Body Raise Time - High Idle - 7.5 s 24 s
Body Lower Time - Float - 10 s -
Body Power Down - High Idle - 10 s -
Pump Flow - High Idle (HAA at 1,800 rpm) - - 221 gal/min
Pump Flow - High Idle (LAA at 1,960 rpm) - - 240 gal/min
High Idle Body Lower Time - Float - - 20 s
Total Cycle Time - - 44 s
Note (1) - - Twin, two-stage hydraulic cylinders mounted inside main frame; double-acting cylinders in both stages.
Note (2) - - Power raise in both stages; power down in both stages possible.
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 % 49 %
Front Axle - Loaded - 34 % 33 %
Rear Axle - Empty - 51 % 51 %
Rear Axle - Loaded - 66 % 67 %

Suspension

Empty Loaded Cylinder Stroke Front - 9.2 in -
Empty Loaded Cylinder Stroke Rear - 5.9 in -
Rear axle - Oscillation - 8.9 ° -

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.
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.
Standard Tires - - 53/80 R63
Rims - - 36" x 63"

Sound

Sound Standards (1) - Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment. The operator sound pressure level measured according to work cycle procedures specified in ISO 6394 and 6396 is 75 dB(A) for cab offered by Caterpillar when properly installed, maintained, and tested with doors and windows closed.
Sound Standards (2) - Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 116 dB(A). Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in a noisy environment.
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 in -
Wheel Base - 13 ft -
Rear Axle - Tail - 8.5 ft -
Ground Clearance - 1.6 in -
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 -

AC Drive System

Total Reduction Ratio - - 35:01:00
Top Speed - Loaded - - 37 mile/h
Generator/Alternator - - Brushless, engine mounted, dual bearing
Controls - - IGBT Inverter Technology, air cooled, pressurized cabinet with filtration
Wheel Motor - - High-torque AC induction, rear axle mounted
Cooling System - - Variable speed, hydraulically driven cooling system

Braking System

Service Brakes - - Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Front Wet Disc Brake Surface Area - - 20378 in²
Rear - Wet Disc Brake Surface Area - - 30750 in²
Standards - - ISO 3450:2011
Parking Brake - - Four-corner, Multi-disc, Spring applied, Hydraulically Released
Load Brake - - Rear service brakes
Dynamic Retarding Power - Continuous - - 5480 HP

Capacity - HE Body - 100% fill factor

Struck - - 108-133 m³ (142-175 yd³)
Heaped (SAE 2:1) - - 180-222 m³ (236-290 yd³)
Dump Body Plate Thickness Varies Depending on Body Selection - Floor Plate - - 0.63 in
Dump Body Plate Thickness Varies Depending on Body Selection - Front Plate - - 0.35 in
Dump Body Plate Thickness Varies Depending on Body Selection - Side Plate - - 0.31 in
Dump Body Plate Thickness Varies Depending on Body Selection - Canopy Plate - - 0.2 in
Note - - Contact your local Cat dealer for body recommendations.

Dimensions (Approximate)

Height - Top of ROPS - - 22.25 ft
Overall Length - - 50.75 ft
Wheel Base - - 21.83 ft
Rear Axle - Tail - - 15.5 ft
Ground Clearance - - 2.67 ft
Dump Clearance - - 3 ft
Loading Height - Empty - - 22.92 ft
Overall Height - Body Raised - - 48.42 ft
Centerline Front Tire Width - - 23 ft
Front Axle Clearance - - 3.17 ft
Canopy Width (without optional rock deflectors) - - 29.75 ft
Outside Body Width - - 29.75 ft
Inside Body Width - - 28.08 ft
Front Canopy Height - - 26.33 ft
Rear Axle - Clearance - - 3.08 ft
Centerline of Rear Dual Tire Width - - 18.75 ft
Overall Tire Width - - 28.67 ft
Overall Canopy Width - - 31.5 ft

Cab

ROPS Standards (1) - - Rollover Protective Structure (ROPS) meets ISO 3471:2008 criteria for operator and ISO 13459:2012 for trainer.
FOPS Standards - - Falling Object Protective Structure (FOPS) meets ISO 3449:2005 Level II for operator and ISO 13459:2012 Level II for trainer.
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