Mining Trucks:

797F Mining Truck

Nominal Payload Capacity
400.0 tons
Engine Model
Cat C175-20
Gross Power - SAE J1995
4000.0 hp
Gross Machine Operating Weight (GMW)
1375000.0 lb

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.



Product Specs

  • Operating Specifications

  • Nominal Payload Capacity
    400.0tons
    Top Speed - Loaded
    42.0mph
    Steer Angle
    40.0Degrees
    Turning Circle Clearance Diameter
    138.0ft
    Heaped SAE (2:1) Capacity
    240-267 m3 (314-350 yd3)
    Machine Clearance Turning Diameter
    138ft
    Nominal Payload Capacity
    400ton (US)
    Steer Angle
    40°
    Top Speed - Loaded
    42mile/h
  • Engine

  • Engine Model
    Cat C175-20
    Gross Power - SAE J1995
    4000.0hp
    Bore
    6.9in
    Stroke
    8.7in
    Displacement
    6469.0in3
    Net Power
    3793.0hp
    Net Power - SAE J1349
    3793.0hp
    Engine Model
    Cat® C175-20
    Gross Power - SAE J1995
    4000HP
    Bore
    6.9in
    Stroke
    8.7in
    Displacement
    6469in³
    Note (1)
    Power ratings apply at 1,750 rpm when tested under the specific conditions for the specified standard.
    Note (2)
    Ratings based on SAE J1995 standard air conditions of 25° C (77° F) and 99 kPa (29.32 Hg) barometer. Power based on fuel having API gravity of 35 at 16° C (69° F) and an LHV of 42 780 kJ/kg (18,390 Btu/lb) when engine is used at 30° C (38° F).
    Emissions
    U.S. EPA Compliant. Where applicable, the Cat C175-20 engine is compliant with U.S. EPA emission standards.
    Note (3)
    No low altitude arrangement (LAA) engine derating required up to 2134 m (7,000 ft) altitude.
    Note (4)
    No high altitude arrangement (HAA) engine derating required up to 4877 m (16,000 ft) altitude.
  • Weights - Approximate

  • Gross Machine Operating Weight (GMW)
    1375000.0lb
    Body Weight Range
    41 368-61 235 kg (91,200-135,000 lb)
    Chassis Weight Range
    210 630-219 146 kg (464,359-483,134 lb)
    Target Gross Machine Operating Weight (GMW)
    1375000lb
    Note (1)
    Refer to the Cat Mining Truck 10/10/20 Payload Policy for maximum gross machine weight limitations.
    Note (2)
    Body weight varies depending on body and liner configuration. Weight range for known applications.
    Note (3)
    Chassis weight with 100 percent fuel, hoist, body mounting group, rims and tires.
  • Transmission

  • Forward 1
    7.0mph
    Forward 2
    9.5mph
    Forward 3
    12.7mph
    Forward 4
    17.2mph
    Forward 5
    23.1mph
    Forward 6
    31.1mph
    Forward 7
    42.0mph
    Reverse
    7.4mph
    Forward - 1
    7mile/h
    Forward - 2
    9.5mile/h
    Forward - 3
    12.7mile/h
    Forward - 4
    17.2mile/h
    Forward - 5
    23.1mile/h
    Forward - 6
    31.2mile/h
    Forward - 7
    42mile/h
    Reverse
    7.4mile/h
  • Final Drives

  • Differential Ratio
    1.276:1
    Planetary Ratio
    16.67:1
    Total Reduction Ratio
    21.26:1
    Differential Ratio
    1.276:1
    Planetary Ratio
    16.67:1
    Total Reduction Ratio
    21.26:1
    Note
    Double reduction, planetary with full floating axles.
  • Suspension

  • Effective Cylinder Stroke - Front
    12.3in
    Effective Cylinder Stroke - Rear
    6.5in
    Rear Axle Oscillation
    ±4.0 degrees
    Rear axle - Oscillation
    ±4.0 degrees
    Effective Cylinder Stroke - Front
    12.3in
    Effective Cylinder Stroke - Rear
    6.5in
  • Brakes

  • Number of Discs Per Side - Front
    10.0
    Number of Discs Per Side - Rear
    15.0
    Standards
    J-ISO 3450 JAN88, ISO 3450-1996
    Outside Diameter
    42in
    Brake Surface
    51243in²
    Standards
    ISO 3450:2011
    Number of Discs per Side - Front
    10
    Number of Discs per Side - Rear
    15
  • Body Hoists

  • Pump Flow - High Idle
    317.0gal/min
    Relief Valve Setting - Raise
    3510.0psi
    Body Raise Time - High Idle
    25.0Seconds
    High Idle Body Lower Time - Float
    19s
    Body Raise Time - High Idle
    25s
    Pump Flow - High Idle
    317gal/min
    Relief Valve Setting - Raise
    3510psi
  • Service Refill Capacities

  • Fuel Tank (standard)
    1000.0gal
    Cooling System
    306.0gal
    Crankcase
    84.0gal
    Steering Tank
    67.0gal
    Steering System (Includes Tank)
    94.0gal
    Brake/Hoist System (Includes Tank)
    441.0gal
    Differentials
    311.0gal
    Final Drives, Each
    49.0gal
    Brake/Hoist Hydraulic Lines
    219gal (US)
    Brake/Hoist Tank
    203gal (US)
    Front Wheels - Each
    16gal (US)
    Torque Converter Sump
    80gal (US)
    Torque Converter/Transmission System - Including Sump
    166gal (US)
    Cooling System
    306gal (US)
    Crankcase
    84gal (US)
    Steering Tank
    67gal (US)
    Steering System - Including Tank
    94gal (US)
    Brake Hoist System - Includes Tank
    441gal (US)
    Differentials
    311gal (US)
    Final Drive - Each
    49gal (US)
    Fuel Tank
    1000gal (US)
  • Weight Distributions - Approximate

  • Front Axle - Loaded
    33.3%
    Rear Axle - Loaded
    66.7%
    Front Axle - Empty
    47.2%
    Rear Axle - Empty
    52.8%
    Front Axle - Empty
    47.2%
    Front Axle - Loaded
    33.3%
    Rear Axle - Empty
    52.8%
    Rear Axle - Loaded
    66.7%
  • Approximate Weights - MSD II

  • Front Axle - Empty
    47.2%
    Front Axle - Loaded
    33.3%
    Rear Axle - Empty
    52.8%
    Rear Axle - Loaded
    66.7%
    Front Axle - Empty
    47.2%
    Front Axle - Loaded
    33.3%
    Rear Axle - Empty
    52.8%
    Rear Axle - Loaded
    66.7%
  • Capacity - MSD II - 100% Fill Factor

  • Heaped (SAE 2:1)
    240-267 m3 (314-350 yd3)
    Struck
    188-213 m3 (246-290 yd3)
    Heaped (SAE 2:1)
    240-267 m3 (314-350 yd3)
    Struck
    188-213 m3 (246-290 yd3)
    Note
    Consult your local Cat dealer for truck body recommendations.
  • Dimensions

  • Overall Body Length
    48.6ft
    Inside Body Length
    32.75ft
    Overall Length
    49.5ft
    Wheelbase
    23.58ft
    Rear Axle to Tail
    12.9ft
    Dump Clearance
    6.58ft
    Loading Height - Empty
    23.0ft
    Inside Body Depth - Max
    11.0ft
    Overall Height - Body Raised
    51.5ft
    Centerline Front Tire Width
    21.41ft
    Engine Guard Clearance - Full
    3.33ft
    Overall Canopy Width
    29.91ft
    Outside Body Width
    32.0ft
    Inside Body Width
    27.91ft
    Rear Axle Clearance - Full
    3.08ft
    Centerline Rear Dual Tire Width
    20.41ft
    Overall Tire Width
    31.25ft
    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
  • ROPS

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

  • Sound Standards
    SAE J919:1995, ANSI/SAE J166:2008, ISO 6394:2008, ISO 6396:2008, ISO 6393:2008, ISO 6395:2008, SAW J88:2006
    Sound Standards (1)
    The operator sound pressure level measured according to work cycle procedures specified in ISO 6394:2008 and 6396:2008 is 76 dB(A) for cab offered by Caterpillar when properly installed and maintained and tested with doors and windows closed.
    Sound Standards (2)
    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.
  • Steering

  • Steering Standards
    SAE J1511 OCT90, ISO 5010:1992
    Steering Standards
    ISO 5010:2007
  • Tires

  • Tire
    59/80R63 - Michelin or Bridgestone
    Tires
    59/80R63 – Michelin or Bridgestone
    Note
    Productive capabilities of the 797F are such that, under certain job conditions, TKPH (TMPH) capabilities of standard tires could be exceeded and, therefore, limit production.

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
    • S·O·S sample ports
    • Service points, ground level
    • Sight level gauges for hydraulic/engine oil
  • Antifreeze
    • Extended Life Coolant to –35° C (–30° F)
  • 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

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