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793F Mining Truck
797F Mining Truck
772 (07) Off-Highway Truck

Weights - Approximate

Nominal Rated Payload 256 ton (US) 400 ton (US) -
Rated Gross Machine Weight 851000 lb 1375000 lb -
Chassis Weight 265639 lb 474472 lb 59223 lb
Body Weight 67682 lb 94799 lb 17306 lb
Note (1) Consult your tire manufacturer for maximum tire load Consult your tire manufacturer for maximum tire load -
Note (2) Chassis weight with full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires. Chassis weight with full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires. -
Note (3) Refer to the Cat Mining Truck 10/10/20 Overload Policy for maximum gross machine weight limitations. - -
Note (4) - Tier 4 Chassis Weight: 486263 lb (220565 kg) -
Target Gross Machine Operating Weight - - 181000 lb
Target Gross Machine Weight - - 181000 lb

Engine

Gross Power - SAE J1995 2650 HP 4000 HP 605 HP
Net Power - SAE J1349 2478 HP 3795 HP 550 HP
Engine Model Cat® C175-16 Cat® C175-20 Cat® C18
Rated Speed 1750 r/min 1750 r/min -
Emissions Fuel Optimized 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. -
Bore 6.9 in 6.9 in 5.7 in
Stroke 8.7 in 8.7 in 7.2 in
Displacement 5187 in³ 6469 in³ 1105 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. 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) EPA Tier 4 Final / EU Stage V available for applicable markets. U.S. EPA Tier 4 Final available for applicable markets. -
Note (3) - High Altitude Low Maintenance Ratio Engine Configuration (4x4) option available. -
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

Tires

Standard Tires 40.00 R57 - -
Rims 29" or 32" 44" x 63" -
Note Quick Change Rims optional. Quick Change Rims optional. -
Note (1) Extended life wheel stations optional. Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities. -
Note (2) Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities. - -
Tires - 59/80 R63 -
Standard Tire - - 21.00R33 (E4)

Suspension

Type Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments Self-contained nitrogen/oil cylinders, rear strut pin-to-pin mounting, top & bottom double shear clevis attachments -
Effective Cylinder Stroke - Front 5.1 in 3.9 in -
Effective Cylinder Stroke - Rear 4.2 in 3.7 in -
Rear axle - Oscillation ±4.9 degrees ±3.96 degrees 8.9 °
Empty Loaded Cylinder Stroke Front - - 9.2 in
Empty Loaded Cylinder Stroke Rear - - 5.8 in

Braking System

Service Brakes Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated Service Brakes: Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated -
Front Wet Disc Brake Surface Area 13921 in³ 20500 in² -
Rear - Wet Disc Brake Surface Area 20847 in³ 30750 in² -
Standards (Service and Secondary): ISO 3450:1996 Service and Secondary: ISO 3450:2011 -
Parking Brakes Four-corner, Multi-disc, Spring Applied, Hydraulically Released - -
Load Brake Rear service brakes Rear service brakes -
Note Anti-Lock Brake System (ABS) optional with CMD package Anti-Lock Brake System (ABS) optional with CMD package -
Parking Brake - Four-corner, Multi-disc, Spring Applied, Hydraulically Released -

Body Hoists

Type Twin, two-stage hydraulic cylinders with snubbing valve Twin, two-stage hydraulic cylinders with snubbing valve. -
Pump Flow - High Idle 224 gal/min 317 gal/min 112 gal/min
Relief Valve Setting - Raise 2955 psi 3510 psi 2750 psi
Body Raise Time - High Idle 19 s 25 s 8 s
Body Lower Time - Float 20 s 18 s 10 s
Body Power Down - High Idle 17.5 s - 10 s
Body Power Down- High Idle - 18 s -
Relief Valve Setting - Lower - - 500 psi

Cab

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

Service Refill Capacities

Fuel Tank 750 gal (US) 1000 gal (US) 140 gal (US)
Fuel Tank - Optional 1300 gal (US) - -
Diesel Exhaust Fluid Tank 62 gal (US) 100 gal (US) -
Cooling System 284 gal (US) 306 gal (US) 33 gal (US)
Crankcase 82 gal (US) 103 gal (US) 17 gal (US)
Rear Axle - Housing 260 gal (US) - -
Steering System - Including Tank 77 gal (US) 95 gal (US) 23 gal (US)
Brake Hoist System - Includes Tank 347 gal (US) 489 gal (US) -
Torque Converter - Transmission Sump 27 gal (US) - -
Torque Converter/Transmission System - Including Sump 55 gal (US) 166 gal (US) -
Note (1) DEF Tank only available for EPA Tier 4 engine option. DEF Tank only available for EPA Tier 4 engine option. -
Fuel Tank (Tier 4) - 1200 gal (US) -
Front Wheels - Each - 16 gal (US) -
Differentials - 330 gal (US) -
Steering Tank - 67 gal (US) 14.5 gal (US)
Brake/Hoist Tank - 203 gal (US) -
Torque Converter Sump - 80 gal (US) -
Differential - Final Drives - - 47 gal (US)
Torque Converter - Transmission System - - 17 gal (US)
Brake Hoist System - - 60 gal (US)
DEF Tank - - 6 gal (US)
Brake/Hoist Hydraulic Tank - - 38 gal (US)

Capacity - HP Body - 100% Fill Factor

Struck 112.6-151 m³ (147-197.5 yd³) 225 yd³ / 172 m³ -
Heaped (SAE 2:1)* 162-191 m³ (212-250 yd³) 330 yd³ / 252 m³ -
Note (1) Contact your local Cat dealer for body recommendation. Consult your local Cat dealer for body recommendations. -
Note (2) *ISO 6483:1980 - -

Weight Distributions - Approximate

Front Axle - Empty 48 % 47.20% 51.4 %
Rear Axle - Empty 52 % 52.80% 48.6 %
Front Axle - Loaded 33 % 33.30% 34.2 %
Rear Axle - Loaded 67 % 66.70% 65.8 %
Note - Weight distributions optimized with Cat body. -

Transmission

Forward - 1 8 mile/h 6.6 mile/h 8 mile/h
Forward - 2 10.8 mile/h 8.9 mile/h 10.9 mile/h
Forward - 3 14.8 mile/h 12 mile/h 14.8 mile/h
Forward - 4 19.9 mile/h 16.2 mile/h 19.8 mile/h
Forward - 5 27.1 mile/h 21.8 mile/h 26.9 mile/h
Forward - 6 37.3 mile/h 29.4 mile/h 36.2 mile/h
Reverse 7.3 mile/h 7.4 mile/h 10.4 mile/h
Top Speed - Loaded 37.3 mile/h 39.5 mile/h -
Forward - 7 - 39.5 mile/h 49.2 mile/h

Final Drives

Differential Ratio 1.8:1 1.276:1 2.74:1
Planetary Ratio 16:01 16.67:1 4.80:1
Total Reduction Ratio 26.8:1 21.26:1 13.14:1
Type - Double reduction, planetary with full floating axles. -
Note - Double reduction, planetary with full floating axles. -

Brakes

Brake Surface - Front 13921 in² - 216 in²
Brake Surface - Rear 20847 in² - 7794 in²
Standards J-ISO 3450 JAN88, ISO 3450:1996 - -
Brake Standards - - ISO 3450:1996

Capacity - MSD II - 100% Fill Factor

Struck 112-142 m³ (146-186 yd³) - -
Heaped (SAE 2:1) 159-190 m3 (209-250 yd3) - -
Note Contact your local Cat dealer for body recommendation. - -

ROPS

ROPS Standards ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:1994 ROPS criteria. - ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.
FOPS Standards FOPS (Falling Objects Protective Structure) meets ISO 3449:1992 Level II FOPS criteria. - FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria.

Sound

Sound Standards The operator sound pressure level measured according to work cycle procedures specified in ISO 6394 and 6396 is 76 dB(A) for cab offered by Caterpillar, when properly installed and maintained and tested with doors and windows closed. - -
Sound Standards (1) 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. - Hearing protection may be needed when operating with open operator station & cab for extended periods or in noisy environment.
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).

Steering

Steer Angle 36 ° - 40.5 °
Turning Diameter - Front 93.2 ft 122.7 ft 57.7 ft
Steering Standards SAE J15111 OCT90, ISO 5010:1992 ISO 5010:2007 ISO 5010:2007
Steering Angle - 40 ° -
Note - Turning Diameter (ISO 7457:2009) -
Turning Circle - Clearance Diameter - - 66.6 ft

Dimensions

Rear Axle - Clearance - Loaded - 3.08 ft -
Inside Body Depth - Maximum - 11 ft 5.7 ft
Overall Height - Body Raised - 51.5 ft 27.1 ft
Loaded Ground Clearance - 2.58 ft -
Loading Height - Empty - 23 ft 11.6 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 19 ft
Overall Length - 49.5 ft 28.9 ft
Wheel Base - 23.58 ft 13 ft
Rear Axle - Tail - 12.9 ft 9.5 ft
Dump Clearance - 6.58 ft 1.5 ft
Centerline Front Tire Width - 21.41 ft 10.4 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 8.7 ft
Overall Tire Width - 31.25 ft 12.9 ft
Height - Top of ROPS - - 12.8 ft
Ground Clearance - - 1.6 ft
Operating Width - - 15.7 ft
Engine Guard Clearance - - 2 ft
Front Canopy Height - - 13.7 ft
Rear Axle - Clearance - - 1.9 ft

Operating Specifications

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

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
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