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, serviceability and comfort you will see why the 797F is the industry leader of its class. Combine these features with unmatched dealer support and you will see why more mine sites choose Cat Mining Trucks for their production needs.

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Body Weight 94799lb
Chassis Weight 474472lb
Nominal Rated Payload 401ton (US)
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)
Rated Gross Machine Weight 1375000lb
Bore 6.9in
Displacement 6469in³
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.
Engine Model Cat® C175-20
Gross Power - SAE J1995 4000HP
Net Power - SAE J1349 3795HP
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.
Rated Speed 1750r/min
Stroke 8.7in
Body Lower Time - Float 18s
Body Power Down- High Idle 18s
Body Raise Time - High Idle 25s
Pump Flow - High Idle 317gal/min
Relief Valve Setting - Raise 3510psi
Type Twin, two-stage hydraulic cylinders with snubbing valve.
Effective Cylinder Stroke - Front 3.9in
Effective Cylinder Stroke - Rear 3.7in
Rear axle - Oscillation ±3.96 degrees
Type Self-contained nitrogen/oil cylinders, rear strut pin-to-pin mounting, top & bottom double shear clevis attachments
Brake Hoist System - Includes Tank 489gal (US)
Brake/Hoist Tank 203gal (US)
Cooling System 306gal (US)
Crankcase 103gal (US)
Diesel Exhaust Fluid Tank 100gal (US)
Differentials 330gal (US)
Front Wheels - Each 16gal (US)
Fuel Tank 1000gal (US)
Fuel Tank (Tier 4) 1200gal (US)
Note (1) DEF Tank only available for EPA Tier 4 engine option.
Steering System - Including Tank 95gal (US)
Steering Tank 67gal (US)
Torque Converter Sump 80gal (US)
Torque Converter/Transmission System - Including Sump 166gal (US)
Note Turning Diameter (ISO 7457:2009)
Steering Angle 40°
Steering Standards ISO 5010:2007
Turning Diameter - Front 122.7ft
Front Axle - Empty 47.2%
Front Axle - Loaded 33.3%
Note Weight distributions optimized with Cat body.
Rear Axle - Empty 52.8%
Rear Axle - Loaded 66.7%
Differential Ratio 1.276:1
Note Double reduction, planetary with full floating axles.
Planetary Ratio 16.67:1
Total Reduction Ratio 21.26:1
Type Double reduction, planetary with full floating axles.
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.
Rims 44" x 63"
Tires 59/80 R63
Front Wet Disc Brake Surface Area 20500in²
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
Rear - Wet Disc Brake Surface Area 30750in²
Service Brakes Service Brakes: Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Standards Service and Secondary: ISO 3450:2011
Heaped (SAE 2:1)* 330 yd³ / 252 m³
Note (1) Consult your local Cat dealer for body recommendations.
Struck 225 yd³ / 172 m³
Air Conditioning HFC - 134A refrigerant: 24,300 Btu/h
FOPS Standards FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II criteria.
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.
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
Centerline Front Tire Width 21.41ft
Centerline of Rear Dual Tire Width 20.41ft
Dump Clearance 6.58ft
Engine Guard Clearance - Loaded 3.33ft
Front Canopy Height - Empty 25.33ft
Height - Top of ROPS - Empty 21.4ft
Inside Body Depth - Maximum 11ft
Inside Body Length 32.75ft
Inside Body Width 27.91ft
Loaded Ground Clearance 2.58ft
Loading Height - Empty 23ft
Outside Body Width 32ft
Overall Body Length 48.6ft
Overall Canopy Width 29.91ft
Overall Height - Body Raised 51.5ft
Overall Length 49.5ft
Overall Tire Width 31.25ft
Rear Axle - Clearance - Loaded 3.08ft
Rear Axle - Tail 12.9ft
Wheel Base 23.58ft

Standard Equipment:

  • Electrical
    • Alarm, back-up
    • Brushless, alternator, 150 ampere
    • Batteries, 12V (2) 93 amp-hour
    • Converter, 12V electrical
    • Electrical system, 24V, 10, 20 and 25 amp
    • Battery charge receptacle
    • Lighting system:
      – Back-up and hazard lights
      – Directional signals (front, rear LED)
      – Front stair access/Service deck
      – Stop/tail lights (LED)
      – Engine compartment
      – VIMS, blue light (LED)
      – Headlights with lo-hi beam selector
  • Operator Environment
    • Standard cab:
      – Standard optimized operator seats
      – Suspension trainer seat
      – Flip down front visor
      – Standard side of cab access
    • Deluxe cab:
      – Heated and ventilated seats
      – Suspension trainer seat
      – Retractable front visor
      – Rear of cab access and standard side of cab access
      – Power windows
    • Deluxe cold weather cab:
      – Heated and ventilated seats
      – Suspension trainer seat
      – Retractable front visor
      – Rear of cab access and standard side of cab access
      – Power windows
      – Heated mirrors
    • All cab options include the following features:
      • Air conditioner with automatic climate control
      • 12V DC power supply (3)
      • Coat hook
      • Diagnostic connection port
      • Dome courtesy light
      • Entertainment radio ready 5 amp converter, speakers and wiring harness
      • Gauges/Indicators:
        – Gauge panel: Transmission fluid temperature; Brake oil temperature; Engine coolant temperature; Fuel level; Torque converter oil temperature
        – Electric engine control fault indicator
        – Electric hour meter
        – Speedometer
        – Tachometer
        – Transmission gear indicator
        – VIMS message center with advisor
      • Heater/defroster (11 070 kCal/43,930 Btu)
      • Horn
      • Cat Detect System
      • Storage compartments
      • Hoist, body control (electric)
      • ROPS cab, insulated/sound suppressed
      • Seat, operator, air suspension
      • Seatbelt, operator, three-points, retractable
      • Seat, trainer, air suspension
      • Seatbelt, trainer, two-points, retractable
      • Stairway and walkway access, 600 mm (23.6 in)
      • Steering wheel, multi tilt, padded, telescopic
      • Tinted glass
      • Window, operator, electric powered
      • Windshield wiper, intermittent control and washer
      • Cup holder
      • Mirrors, right and left
  • Power Train
    • C175-20 emits equivalent to Tier 2 emission standards:
      – Turbocharging (4)/Air-to-Air Aftercooler (ATAAC)
      – Air cleaner with precleaner (4)
      – Ground level engine shutdown
      – Ether starting aid (automatic)
      – Elevated low idle control
      – Crankcase protection
      – Multi-point oil pressure sensing
      – Automatic starter protection
    • Braking system:
      – Park brake integrated with gear selector
      – Brake release motor (towing)
      – Oil-cooled, multi-disc (front and rear) – service, retarding, parking, secondary
      – Automatic Retarder Control, adjustable
      – Engine overspeed protection
      – Extended life brake disc material
    • Transmission:
      – 7-speed, automatic powershift with electronic controls (ECPC)
      – Body-up shift inhibitor
      – Controlled throttle shifting
      – Directional shift management
      – Neutral coast inhibitor
      – Neutral start switch
      – Downshift/Reverse shift inhibitor
      – Individual clutch modulation
      – Body-up reverse neutralizer
      – Programmable top speed
      – Lock-up torque converter
    • Pre-lubrication/engine
    • Rear axle continuous lubrication/filtration
  • Other Standard Equipment
    • Traction Control System
    • Auto lubrication system
    • Aux “buddy” dumping quick connect
    • Aux steering quick connect (towing)
    • Driveline guard
    • Fast fill fuel system
    • Fuel filter with water separator
    • Ground level VIMS data port
    • Ground level battery lockout
    • Ground level transmission lockout
    • Ground level engine start lockout
    • Ground level engine shut-down
    • High-speed crankcase oil change
    • Reservoirs (3 separate):
      – Brake/Hoist, Steering/Fan, Transmission/Converter
    • Rock ejectors
    • Supplemental steering (automatic)
    • Tie-down eyes
    • Center hitch and tow points (front), tow pin (rear)
    • Vandalism protection locks
    • Vital Information Management System (VIMS):
      – Includes VIMS Payload Monitor with max payload and speed manager
    • Hydraulic filters, 1,000 hour
    • SOS℠ sample ports
    • Service points, ground level
    • Sight level gauges for hydraulic/engine oil
  • Antifreeze
    • Extended Life Coolant to –35° C (–30° F)

Optional Equipment:

  • Optional Equipment
    • Cat Detect System
    • Cabin air precleaner
    • Throttle lock
    • Engine delay shutdown timer
    • Antifreeze/coolant protects to –50° C (–58° F)
    • Fuel tank (7570 L/2,000 gal)
    • SL-V grease injectors
    • Body heat
    • Rear axle lubrication cooler
    • External digital payload display
    • Oil renewal system
    • Oil renewal system with 3 day tank
    • Engine coolant and oil heater for cold weather starts
    • Road Analysis Control (RAC)
    • Portable fire extinguisher
    • Torque converter guard
    • Brake wear indicator gauge
    • Rims (wedge)
    • Rim guard