New CAT Equipment

797F Mining Truck

Lowest Cost Per Ton in Its Size Class

What makes the Cat® 797F Mining Truck the most productive 363-tonne (400-ton) truck in the market? Is it the best-in-class payload? Superior braking that leads to confident, productive operators? Or a tough, rugged frame that delivers performance and long life no matter the conditions? Today’s 797F delivers all of this—and more. It’s fast, fuel efficient and delivers class-leading productivity, making it the industry benchmark for lower cost per ton in its size class. It hauls more every load, every cycle and every shift. And it delivers a better bottom line to the most important mine in the world: yours.

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    20% Lower Operating Costs

    Thanks to 25%+ lower maintenance costs, 35%+ lower cost of oils and lube, and reduced fuel usage

    Up To 10% Lower Fuel Costs

    One of the most fuel-efficient trucks in the industry — in a variety of applications

    Greater Than 90% Physical Availability

    High uptime thanks to lower maintenance ratios, longer component life and high reliability

    Learn more about the 797F Mining Truck


    • Body Hoists
      Body Lower Time - Float
      18 s
      Body Power Down- High Idle
      18 s
      Body Raise Time - High Idle
      25 s
      Pump Flow - High Idle
      317 gal/min
      Relief Valve Setting - Raise
      3510 psi
      Twin, two-stage hydraulic cylinders with snubbing valve.
    • Braking System
      Front Wet Disc Brake Surface Area
      20500 in²
      Load Brake
      Rear service brakes
      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
      30750 in²
      Service Brakes
      Service Brakes: Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
      Service and Secondary: ISO 3450:2011
    • Cab
      Air Conditioning
      HFC - 134A refrigerant: 24,300 Btu/h
      FOPS Standards
      FOPS (Falling Objects Protective Structure) meets ISO 3449:1992 Level II criteria.
      Heater / Defroster
      38900 Btu/h
      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 3471:1994 criteria.
    • Capacity - HP Body - 100% Fill Factor
      Heaped (SAE 2:1)*
      330 yd³ / 252 m³
      Note (1)
      Consult your local Cat dealer for body recommendations.
      225 yd³ / 172 m³
    • Dimensions
      Centerline Front Tire Width
      21.41 ft
      Centerline of Rear Dual Tire Width
      20.41 ft
      Dump Clearance
      6.58 ft
      Engine Guard Clearance - Loaded
      3.33 ft
      Front Canopy Height - Empty
      25.33 ft
      Height - Top of ROPS - Empty
      21.4 ft
      Inside Body Depth - Maximum
      11 ft
      Inside Body Length
      32.75 ft
      Inside Body Width
      27.91 ft
      Loaded Ground Clearance
      2.58 ft
      Loading Height - Empty
      23 ft
      Outside Body Width
      32 ft
      Overall Body Length
      48.6 ft
      Overall Canopy Width
      29.91 ft
      Overall Height - Body Raised
      51.5 ft
      Overall Length
      49.5 ft
      Overall Tire Width
      31.25 ft
      Rear Axle - Clearance - Loaded
      3.08 ft
      Rear Axle - Tail
      12.9 ft
      Wheel Base
      23.58 ft
    • Engine
      6.9 in
      6469 in³
      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
      4000 HP
      Net Power - SAE J1349
      3795 HP
      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
      1750 r/min
      8.7 in
    • Final Drives
      Differential Ratio
      Double reduction, planetary with full floating axles.
      Planetary Ratio
      Total Reduction Ratio
      Double reduction, planetary with full floating axles.
    • Service Refill Capacities
      Brake Hoist System - Includes Tank
      489 gal (US)
      Brake/Hoist Tank
      203 gal (US)
      Cooling System
      306 gal (US)
      103 gal (US)
      Diesel Exhaust Fluid Tank
      100 gal (US)
      330 gal (US)
      Front Wheels - Each
      16 gal (US)
      Fuel Tank
      1000 gal (US)
      Fuel Tank (Tier 4)
      1200 gal (US)
      Note (1)
      DEF Tank only available for EPA Tier 4 engine option.
      Steering System - Including Tank
      95 gal (US)
      Steering Tank
      67 gal (US)
      Torque Converter Sump
      80 gal (US)
      Torque Converter/Transmission System - Including Sump
      166 gal (US)
    • Steering
      Turning Diameter (ISO 7457:2009)
      Steering Angle
      40 °
      Steering Standards
      ISO 5010:2007
      Turning Diameter - Front
      122.7 ft
    • Suspension
      Effective Cylinder Stroke - Front
      3.9 in
      Effective Cylinder Stroke - Rear
      3.7 in
      Rear axle - Oscillation
      ±3.96 degrees
      Self-contained nitrogen/oil cylinders, rear strut pin-to-pin mounting, top & bottom double shear clevis attachments
    • Tires
      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.
      44" x 63"
      59/80 R63
    • Transmission
      Forward - 1
      6.6 mile/h
      Forward - 2
      8.9 mile/h
      Forward - 3
      12 mile/h
      Forward - 4
      16.2 mile/h
      Forward - 5
      21.8 mile/h
      Forward - 6
      29.4 mile/h
      Forward - 7
      39.5 mile/h
      7.4 mile/h
      Top Speed - Loaded
      39.5 mile/h
    • Weight Distributions - Approximate
      Front Axle - Empty
      Front Axle - Loaded
      Weight distributions optimized with Cat body.
      Rear Axle - Empty
      Rear Axle - Loaded
    • Weights - Approximate
      Body Weight
      94799 lb
      Chassis Weight
      474472 lb
      Nominal Rated Payload
      400 ton (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
      1375000 lb
    • 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
    • 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
    • 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
    • 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
    • S•O•S℠ sample ports
    • Service points, ground level
    • Sight level gauges for hydraulic/engine oil
    • Extended Life Coolant to –35° C (–30° F)
    • 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