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775G Off-Highway Truck
772 (07) Off-Highway Truck
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 - -
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 ISO 5010:2007 Steering Standards: 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 106.3 ft
Note - - Turning Diameter (ISO 7457:1997)

Engine

Engine Model Cat® C27 Cat® C18 Cat® C175-16
Gross Power - SAE J1995 825 HP 605 HP 3500 HP
Rated Net Power - SAE J1349 683 HP - -
Bore 5.4 in 5.7 in 6.9 in
Stroke 6 in 7.2 in 8.7 in
Displacement 1648 in³ 1105 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 - 550 HP 3405 HP
Net Power - ISO 9249 - 550 HP -
Number of Cylinders - 6 -
Net Torque - SAE J1349 - 2221 ft-lb -
Engine Power - ISO 14396 - 598 HP -
Optional Gross Power - SAE J1995 - - 3100 HP
Rated Speed - - 1800 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.
Note (2) - - U.S. EPA Tier 4 Final / EU Stage V available for applicable markets.
Note (3) - - Additional fuel optimized selectable power ratings: 2312 kW / 3,100 hp

Transmission

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

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) 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) -
Fuel Tank (Tier 4) - - 1200 gal (US)
Diesel Exhaust Fluid Tank - - 100 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 - 181000 lb -
Chassis Weight - 59223 lb 453826 lb
Body Weight - 17306 lb -
Target Gross Machine Weight - 181000 lb -
Nominal Rated Payload - - 410 ton (US)
Rated Gross Machine Weight - - 1375000 lb
Body Weight Range - - 38 833 - 43 275 kg (85,611 - 95,406 lb)
Note (1) - - Consult your tire manufacturer for maximum tire load.
Note (2) - - Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires.
Note (3) - - Body weight varies depending on how body is equipped.

Weight Distributions - Approximate

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

Final Drives

Differential Ratio - 2.74:1 -
Planetary Ratio - 4.80:1 -
Total Reduction Ratio - 13.14:1 -

Body Hoists

Pump Flow - High Idle - 112 gal/min 257.3 gal/min
Relief Valve Setting - Raise - 2750 psi 3029 psi
Relief Valve Setting - Lower - 500 psi -
Body Raise Time - High Idle - 8 s 21 s
Body Lower Time - Float - 10 s 22 s
Body Power Down - High Idle - 10 s -
Type - - 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.

Suspension

Rear axle - Oscillation - 8.9 ° -
Empty Loaded Cylinder Stroke Front - 9.2 in -
Empty Loaded Cylinder Stroke Rear - 5.8 in -
Type - - Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments
Effective Cylinder Stroke - Front - - 10 in
Effective Cylinder Stroke - Rear - - 5 in

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 -

Sound

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. -
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 - 12.8 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 in -
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 -

Tires

Standard Tire - 21.00R33 (E4) -
Rims - - 44" x 63" Rims
Standard Tires - - 59/80 R63
Note (1) - - 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.

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
Front Wet Disc Brake Surface Area - - 22642 in²
Rear - Wet Disc Brake Surface Area - - 32730 in²
Standards - - 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

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.

Cab

Air Conditioning - - HFC - 134A refrigerant: 21,600 Btu/h
Heater / Defroster - - 24600 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.
FOPS Standards - - FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II for Operator and ISO 13459:2012 Level II 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

Dimensions (Approximate)

Height - Top of ROPS - - 22.1 ft
Overall Length - - 51.44 ft
Wheel Base - - 21.9 ft
Rear Axle - Tail - - 16.07 ft
Dump Clearance - Empty - - 5.72 ft
Loading Height - Empty - - 25.54 ft
Overall Height - Body Raised - - 48.85 ft
Centerline Front Tire Width - - 23.06 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
Inside Body Width - - 29.44 ft
Front Canopy Height - Empty - - 26.01 ft
Rear Axle Clearance - Loaded - - 2.8 ft
Centerline of Rear Dual Tire Width - - 19.5 ft
Overall Tire Width - Empty - - 30.27 ft
Overall Length (High Altitude only) - - 51.87 ft
Note - - Dimensions listed includes canopy deflectors
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