797F Mining Truck
Whether you're hauling copper, coal, gold, iron ore or overburden the 797F provides you with the best in class cost per unit of production. Including the improvements in safety, productivity, ...
Weights - Approximate
- Nominal Rated Payload
- 401ton (US)
- Rated Gross Machine Weight
- 1375000lb
- Chassis Weight
- 474472lb
- Body Weight
- 94799lb
- Note (1)
- 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.
- Note (4)
- Tier 4 Chassis Weight: 486263 lb (220565 kg)
Engine
- Gross Power - SAE J1995
- 4000HP
- Net Power - SAE J1349
- 3795HP
- Engine Model
- Cat® C175-20
- Rated Speed
- 1750r/min
- Emissions
- 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
- 6.9in
- Stroke
- 8.7in
- Displacement
- 6469in³
- 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 available for applicable markets.
- Note (3)
- High Altitude Low Maintenance Ratio Engine Configuration (4x4) option available.
Service Refill Capacities
- Fuel Tank
- 1000gal (US)
- Fuel Tank (Tier 4)
- 1200gal (US)
- Diesel Exhaust Fluid Tank
- 100gal (US)
- Cooling System
- 306gal (US)
- Crankcase
- 103gal (US)
- Front Wheels - Each
- 16gal (US)
- Differentials
- 330gal (US)
- Steering Tank
- 67gal (US)
- Steering System - Including Tank
- 95gal (US)
- Brake/Hoist Tank
- 203gal (US)
- Brake Hoist System - Includes Tank
- 489gal (US)
- Torque Converter Sump
- 80gal (US)
- Torque Converter/Transmission System - Including Sump
- 166gal (US)
- Note (1)
- DEF Tank only available for EPA Tier 4 engine option.
Body Hoists
- Type
- Twin, two-stage hydraulic cylinders with snubbing valve.
- Pump Flow - High Idle
- 317gal/min
- Relief Valve Setting - Raise
- 3510psi
- Body Raise Time - High Idle
- 25s
- Body Lower Time - Float
- 18s
- Body Power Down- High Idle
- 18s
Suspension
- Type
- Self-contained nitrogen/oil cylinders, rear strut pin-to-pin mounting, top & bottom double shear clevis attachments
- Effective Cylinder Stroke - Front
- 3.9in
- Effective Cylinder Stroke - Rear
- 3.7in
- Rear axle - Oscillation
- ±3.96 degrees
Weight Distributions - Approximate
- Front Axle - Empty
- 47.2%
- Rear Axle - Empty
- 52.8%
- Front Axle - Loaded
- 33.3%
- Rear Axle - Loaded
- 66.7%
- Note
- Weight distributions optimized with Cat body.
Tires
- Tires
- 59/80 R63
- Rims
- 44" x 63"
- Note
- Quick Change Rims optional.
- Note (1)
- Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.
Final Drives
- Type
- Double reduction, planetary with full floating axles.
- Differential Ratio
- 1.276:1
- Planetary Ratio
- 16.67:1
- Total Reduction Ratio
- 21.26:1
- Note
- Double reduction, planetary with full floating axles.
Braking System
- Service Brakes
- Service Brakes: Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
- Front Wet Disc Brake Surface Area
- 20500in²
- Rear - Wet Disc Brake Surface Area
- 30750in²
- Standards
- Service and Secondary: ISO 3450:2011
- Parking Brake
- 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
- 225 yd³ / 172 m³
- Heaped (SAE 2:1)*
- 330 yd³ / 252 m³
- Note (1)
- Consult your local Cat dealer for body recommendations.
Cab
- Air Conditioning
- HFC - 134A refrigerant: 24,300 Btu/h
- Heater / Defroster
- 38900Btu/h
- Note
- 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 6394:2008 and ISO 6396:2008.
- ROPS Standards (2)
- ROPS (Rollover Protective Structure) meets ISO 3471:2008 criteria.
- FOPS Standards
- FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II criteria.
Steering
- Steering Angle
- 40°
- Turning Diameter - Front
- 122.7ft
- Steering Standards
- ISO 5010:2007
- Note
- Turning Diameter (ISO 7457:2009)
Transmission
- Forward - 1
- 6.6mile/h
- Forward - 2
- 8.9mile/h
- Forward - 3
- 12mile/h
- Forward - 4
- 16.2mile/h
- Forward - 5
- 21.8mile/h
- Forward - 6
- 29.4mile/h
- Forward - 7
- 39.5mile/h
- Reverse
- 7.4mile/h
- Top Speed - Loaded
- 39.5mile/h
Dimensions
- Front Canopy Height - Empty
- 25.33ft
- Loaded Ground Clearance
- 2.58ft
- Height - Top of ROPS - Empty
- 21.4ft
- Engine Guard Clearance - Loaded
- 3.33ft
- Inside Body Depth - Maximum
- 11ft
- Loading Height - Empty
- 23ft
- Overall Height - Body Raised
- 51.5ft
- Rear Axle - Clearance - Loaded
- 3.08ft
- Overall Body Length
- 48.6ft
- Inside Body Length
- 32.75ft
- Overall Length
- 49.5ft
- Wheel Base
- 23.58ft
- Rear Axle - Tail
- 12.9ft
- Dump Clearance
- 6.58ft
- Centerline Front Tire Width
- 21.41ft
- Overall Canopy Width
- 29.91ft
- Outside Body Width
- 32ft
- Inside Body Width
- 27.91ft
- Centerline of Rear Dual Tire Width
- 20.41ft
- Overall Tire Width
- 31.25ft