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775G Off-Highway Truck
798 AC Electric Drive Mining Truck
789 Next Generation
772 (07) Off-Highway 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 - - -
FOPS Standards - - - FOPS (Falling Objects Protective Structure) 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.

Operating Specifications

Nominal Water Tank Capacity 15000 gal (US) - - -
Nominal Payload Class (100%) - - - 51.6 ton (US)
Top Speed - Loaded - - - 49.2 mile/h
Maximum Payload Class (110%) - - - 56.7 ton (US)
Body Capacity - SAE 2:1 - - - 40.8 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

Steering

Steering Standards ISO 5010:2007 Steering Standards: ISO 5010:2007 ISO 5010:2007 ISO 5010:2007
Steer Angle 31 ° 39 ° 36.07 ° 40.5 °
Turning Diameter 77.1 ft - - -
Turning Circle - Clearance Diameter 85.6 ft - - 66.6 ft
Turning Diameter - Front - 106.3 ft - 57.7 ft
Note - Turning Diameter (ISO 7457:1997) - -

Engine

Engine Model Cat® C27 Cat® C175-16 Cat® 3516E Cat® C18
Gross Power - SAE J1995 825 HP 3500 HP - 605 HP
Rated Net Power - SAE J1349 683 HP - - -
Bore 5.4 in 6.9 in 6.7 in 5.7 in
Stroke 6 in 8.7 in 8.5 in 7.2 in
Displacement 1648 in³ 5187 in³ 4766 in³ 1105 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. - - -
Net Power - SAE J1349 - 3405 HP - 550 HP
Optional Gross Power - SAE J1995 - 3100 HP - -
Rated Speed - 1800 r/min 1650 r/min -
Emissions Rating - Fuel Optimized 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. 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) - U.S. EPA Tier 4 Final / EU Stage V available for applicable markets. Optional 1417 kW / 1,900 HP engine rating. -
Note (3) - Additional fuel optimized selectable power ratings: 2312 kW / 3,100 hp U.S. EPA Tier 4 Final / EU Stage V optional engine available for applicable markets. -
Gross Power - SAE J1995:2014 - - 2100 HP -
Net Power - SAE J1349:2011 - - 1975 HP -
Rated Engine Speed - - - 1700 r/min
Net Power - ISO 9249 - - - 550 HP
Number of Cylinders - - - 6
Net Torque - SAE J1349 - - - 2221 ft-lb
Engine Power - ISO 14396 - - - 598 HP

Transmission

Forward - 1 6.6 mile/h - 7.8 mile/h 8 mile/h
Forward - 2 9.3 mile/h - 10.6 mile/h 10.9 mile/h
Forward - 3 12.6 mile/h - 14.4 mile/h 14.8 mile/h
Forward - 4 16.8 mile/h - 19.4 mile/h 19.8 mile/h
Forward - 5 22.8 mile/h - 26.3 mile/h 26.9 mile/h
Forward - 6 30.7 mile/h - 35.5 mile/h 36.2 mile/h
Forward - 7 41.6 mile/h - - 49.2 mile/h
Reverse 8.7 mile/h - 7.3 mile/h 10.4 mile/h
Note Maximum travel speeds with standard 24.00R35 (E4) tires - - -
Top Speed - Loaded - - 35.5 mile/h -

Brakes

Brake Surface - Front 257 in² - - 216 in²
Brake Surface - Rear 9497 in² - - 7794 in²
Brake Standards - - - ISO 3450:1996

Service Refill Capacities

Fuel Tank Capacity 210 gal (US) - - -
Cooling System 45 gal (US) 211 gal (US) 180 gal (US) 33 gal (US)
Crankcase 24 gal (US) 82 gal (US) 77 gal (US) 17 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) - 169 gal (US) 60 gal (US)
Fuel Tank - 1300 gal (US) 1000 gal (US) 140 gal (US)
Fuel Tank (Tier 4) - 1200 gal (US) 55 gal (US) -
Diesel Exhaust Fluid Tank - 100 gal (US) 62 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 - -
Fuel Tank - Standard - - 550 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)
Torque Converter - Transmission System - - - 17 gal (US)
DEF Tank - - - 6 gal (US)

Weights - Approximate

Nominal Rated Payload - 410 ton (US) 213 ton (US) -
Rated Gross Machine Weight - 1375000 lb 715000 lb -
Chassis Weight - 453826 lb - 59223 lb
Body Weight Range - 38 833 - 43 275 kg (85,611 - 95,406 lb) - -
Note (1) - Consult your tire manufacturer for maximum tire load. Consult your tire manufacturer for maximum tire load -
Note (2) - Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires. Chassis weight with full fuel and fluids, standard and mandatory attachments, hoist, body mounting group, rims, and tires. -
Note (3) - Body weight varies depending on how body is equipped. - -
Body Weight - - 60406 lb 17306 lb
Target Gross Machine Operating Weight - - - 181000 lb
Target Gross Machine Weight - - - 181000 lb

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 - -

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 - 22642 in² 12662 in² -
Rear - Wet Disc Brake Surface Area - 32730 in² 20861 in² -
Standards - Service and Secondary: ISO 3450:2011 (Service and Secondary) ISO 3450:2011 -
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 - -
Parking Brake - - Four-corner, Multi-disc, Spring applied, Hydraulically Released -

Weight Distributions - Approximate

Front Axle - Empty - 47 % 50% 51.4 %
Rear Axle - Empty - 53 % 50% 48.6 %
Front Axle - Loaded - 33 % 33% 34.2 %
Rear Axle - Loaded - 67 % 67% 65.8 %
Note - Weight distributions optimized with Cat body. - -

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. - -

Body Hoists

Type - Twin, two-stage hydraulic cylinders with snubbing valve. Twin, two-stage hydraulic cylinders with snubbing valve. -
Pump Flow - High Idle - 257.3 gal/min 106.5 gal/min 112 gal/min
Relief Valve Setting - Raise - 3029 psi 2749 psi 2750 psi
Body Raise Time - High Idle - 21 s 14 s 8 s
Body Lower Time - Float - 22 s 16 s 10 s
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. - -
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 & bottom double shear clevis attachments Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top and bottom double shear clevis attachments -
Effective Cylinder Stroke - Front - 10 in 4.12 in -
Effective Cylinder Stroke - Rear - 5 in 3.67 in -
Rear axle - Oscillation - - +/- 5 degrees 8.9 °
Empty Loaded Cylinder Stroke Front - - - 9.2 in
Empty Loaded Cylinder Stroke Rear - - - 5.8 in

Cab

Air Conditioning - HFC - 134A refrigerant: 21,600 Btu/h (HFC - 134A refrigerant) 24,500 Btu/hr -
Heater / Defroster - 24600 Btu/h 33300 Btu/h -
Note - Ambient capabilities down to -15C (5F) for heater/defroster and up to 50C (122F) for air conditioning. - -
ROPS Standards (1) - ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer. The operator sound pressure level, 77 dB(A) with direct drive and 75 dB(A) with optional clutch, tested to ISO 6396:2008. -
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. -
ROPS Standards (2) - - ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer. -

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 - -

Tires

Rims - 44" x 63" Rims 29” x 57” Rims -
Standard Tires - 59/80 R63 37 R57 -
Note (1) - Quick Change Rims optional. Quick Change Rims optional -
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 evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities. -
Optional Tires - - 40 R57 -
Optional Tire - - 42/90 R57 -
Standard Tire - - - 21.00R33 (E4)

Dimensions (Approximate)

Height - Top of ROPS - 22.1 ft 5550 mm -
Overall Length - 51.44 ft 12970 mm -
Wheel Base - 21.9 ft 57000 mm -
Rear Axle - Tail - 16.07 ft 3856 mm -
Dump Clearance - Empty - 5.72 ft - -
Loading Height - Empty - 25.54 ft 6147 mm -
Overall Height - Body Raised - 48.85 ft 11534 mm -
Centerline Front Tire Width - 23.06 ft 5410 mm -
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 - -
Inside Body Width - 29.44 ft 6920 mm -
Front Canopy Height - Empty - 26.01 ft - -
Rear Axle Clearance - Loaded - 2.8 ft - -
Centerline of Rear Dual Tire Width - 19.5 ft 4695 mm -
Overall Tire Width - Empty - 30.27 ft - -
Overall Length (High Altitude only) - 51.87 ft - -
Note - Dimensions listed includes canopy deflectors - -
Overall Body Length - - 12945 mm -
Inside Body Length - - 8730 mm -
Ground Clearance - - 1304 mm -
Dump Clearance - - 1585 mm -
Rear Sidewall Height - - 1010 mm -
Inside Body Depth - Maximum - - 3075 mm -
Operating Width - - 7822 mm -
Engine Guard Clearance - - 1290 mm -
Overall Canopy Width - - 7769 mm -
Outside Body Width - - 7123 mm -
Front Canopy Height - - 6739 mm -
Rear Axle - Clearance - - 1263 mm -
Overall Tire Width - - 7120 mm -

Sound

Sound Standards - The operator sound pressure level, 75 dB(A), measured according to ISO 6394:2008 and ISO 6396:2008. - -
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.
Sound Standards (2) - - - Exterior sound pressure power level for standard machine measured according to tests specified in ISO 6395:2008 is 118 dB(A).
Sound Standards (1) - - - Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment.

Final Drives

Planetary Ratio - - 10.83:1 4.80:1
Total Reduction Ratio - - 25.46:1 13.14:1
Type - - Double reduction, planetary with full floating axles -
Differential Ratio - - 2.35:1 2.74:1

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 -

Capacity - Dual Slope - 100% Fill Factor

Heaped 2:1 (SAE) - - - 40.8 yd³
Struck - - - 31.3 yd³

Capacity - Flat Floor - 100% Fill Factor

Struck - - - 31.3 yd³
Heaped 2:1 (SAE) - - - 40.9 yd³

Dimensions

Height - Top of ROPS - - - 12.8 ft
Inside Body Depth - Maximum - - - 5.7 ft
Overall Body Length - - - 26.8 ft
Inside Body Length - - - 19 ft
Overall Length - - - 28.9 ft
Wheel Base - - - 13 ft
Rear Axle - Tail - - - 9.5 ft
Ground Clearance - - - 1.6 ft
Dump Clearance - - - 1.5 ft
Loading Height - Empty - - - 11.6 ft
Overall Height - Body Raised - - - 27.1 ft
Operating Width - - - 15.7 ft
Centerline Front Tire Width - - - 10.4 ft
Engine Guard Clearance - - - 2 ft
Outside Body Width - - - 12.9 ft
Inside Body Width - - - 11.9 ft
Front Canopy Height - - - 13.7 ft
Rear Axle - Clearance - - - 1.9 ft
Centerline of Rear Dual Tire Width - - - 8.7 ft
Overall Tire Width - - - 12.9 ft
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