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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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SPECIFICATION SUMMARY
  • Nominal Payload Capacity 400 tons
  • Engine Model Cat® C175-20
  • Gross Power - SAE J1995 4000 hp
  • Target Gross Machine Operating Weight (GMW) 1375000 lb

PRICE (USD)
Call 800-637-5000 for rate information

Operating Specifications

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

Engine

  • Engine Model
    Cat® C175-20
  • Gross Power - SAE J1995
    4000 hp
  • Bore
    6.9 in
  • Stroke
    8.7 in
  • Displacement
    6469 in3
  • Note
    Power ratings apply at 1,750 rpm when tested under the specific conditions for the specified standard.
  • Note
    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).
  • Note
    No low altitude arrangement (LAA) engine derating required up to 2134 m (7,000 ft) altitude.
  • Note
    No high altitude arrangement (HAA) engine derating required up to 4877 m (16,000 ft) altitude.
  • Emissions
    U.S. EPA Compliant. Where applicable, the Cat C175-20 engine is compliant with U.S. EPA emission standards.
  • Engine Model
    Cat® C175-20
  • Gross Power - SAE J1995
    4000 HP
  • Bore
    6.9 in
  • Stroke
    8.7 in
  • Displacement
    6469 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.
  • Note (2)
    U.S. EPA Tier 4 Final available for applicable markets.
  • 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.
  • Note (3)
    High Altitude Low Maintenance Ratio Engine Configuration (4x4) option available.
  • Note (4)
    No high altitude arrangement (HAA) engine derating required up to 4877 m (16,000 ft) altitude.
  • Rated Speed
    1750 r/min
  • Net Power - SAE J1349
    3795 HP

Weights – Approximate

  • Target Gross Machine Operating Weight (GMW)
    1375000 lb
  • Note
    Refer to the Cat Mining Truck 10/10/20 Payload Policy for maximum gross machine weight limitations.
  • Note
    Body weight varies depending on body and liner configuration. Weight range for known applications.
  • Note
    Chassis weight with 100 percent fuel, hoist, body mounting group, rims and tires.

Transmission

  • Forward 1
    7.0 mph
  • Forward 2
    9.5 mph
  • Forward 3
    12.7 mph
  • Forward 4
    17.2 mph
  • Forward 5
    23.1 mph
  • Forward 6
    31.2 mph
  • Forward 7
    42.0 mph
  • Reverse
    7.4 mph
  • 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
  • Reverse
    7.4 mile/h
  • Top Speed - Loaded
    39.5 mile/h

Final Drives

  • Differential Ratio
    1.276:1
  • Planetary Ratio
    16.67:1
  • Total Reduction Ratio
    21.26:1
  • Note
    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.

Suspension

  • Effective Cylinder Stroke – Front
    12.3 in
  • Effective Cylinder Stroke – Rear
    6.5 in
  • Rear Axle Oscillation
    ±4.0 degrees
  • Rear axle - Oscillation
    ±3.96 degrees
  • Effective Cylinder Stroke - Front
    3.9 in
  • Effective Cylinder Stroke - Rear
    3.7 in

Brakes

  • Number of Discs per Side – Front
    10
  • Number of Discs per Side – Rear
    15
  • Brake Surface
    51243 in²
  • Standards
    ISO 3450:2011
  • Number of Discs per Side - Front
    10
  • Number of Discs per Side - Rear
    15

Body Hoists

  • Pump Flow – High Idle
    317.0 gal/min
  • Relief Valve Setting – Raise
    3510.0 psi
  • Body Raise Time – High Idle
    25.0 Seconds
  • High Idle Body Lower Time - Float
    19 s
  • Pump Flow - High Idle
    317 gal/min
  • Body Raise Time - High Idle
    25 s
  • Relief Valve Setting - Raise
    3510 psi
  • Body Lower Time - Float
    18 s
  • Body Power Down- High Idle
    18 s

Service Refill Capacities

  • Fuel Tank
    1000 gal
  • Cooling System
    306.0 gal
  • Crankcase
    84.0 gal
  • Steering Tank
    67.0 gal
  • Steering System (Includes Tank)
    94.0 gal
  • Brake/Hoist System (Includes Tank)
    441.0 gal
  • Differentials
    311.0 gal
  • Final Drives, Each
    49.0 gal
  • Brake/Hoist Hydraulic Lines
    219 gal (US)
  • Brake/Hoist Tank
    203 gal (US)
  • Front Wheels - Each
    16 gal (US)
  • Torque Converter Sump
    80 gal (US)
  • Torque Converter/Transmission System - Including Sump
    166 gal (US)
  • Cooling System
    306 gal (US)
  • Crankcase
    103 gal (US)
  • Steering Tank
    67 gal (US)
  • Steering System - Including Tank
    95 gal (US)
  • Brake Hoist System - Includes Tank
    489 gal (US)
  • Differentials
    330 gal (US)
  • Final Drive - Each
    49 gal (US)
  • Fuel Tank
    1000 gal (US)
  • DEF Tank
    99 gal (US)
  • Note (1)
    DEF Tank only available for EPA Tier 4 engine option.
  • Diesel Exhaust Fluid Tank
    100 gal (US)

Weight Distributions – Approximate

  • Front Axle – Loaded
    33.3%
  • Rear Axle – Loaded
    66.7%
  • Front Axle – Empty
    47.2%
  • Rear Axle – Empty
    52.8%

Approximate Weights – MSD II

  • Front Axle – Empty
    47.2%
  • Front Axle – Loaded
    33.3%
  • Rear Axle – Empty
    52.8%
  • Rear Axle – Loaded
    66.7%

Dimensions

  • Overall Body Length
    48.6 ft
  • Inside Body Length
    32.75 ft
  • Overall Length
    49.5 ft
  • Wheelbase
    23.58 ft
  • Rear Axle to Tail
    12.9 ft
  • Dump Clearance
    6.58 ft
  • Loading Height – Empty
    23.0 ft
  • Inside Body Depth – Maximum
    11.0 ft
  • Overall Height – Body Raised
    51.5 ft
  • Centerline Front Tire Width
    21.41 ft
  • Engine Guard Clearance – Loaded
    3.33 ft
  • Overall Canopy Width
    29.91 ft
  • Outside Body Width
    32.0 ft
  • Inside Body Width
    27.91 ft
  • Rear Axle Clearance – Loaded
    3.08 ft
  • Centerline Rear Dual Tire Width
    20.41 ft
  • Overall Tire Width
    31.25 ft
  • Front Canopy Height - Empty
    25.33 ft
  • Loaded Ground Clearance
    2.58 ft
  • Height - Top of ROPS - Empty
    21.4 ft
  • Engine Guard Clearance - Loaded
    3.33 ft
  • Inside Body Depth - Maximum
    11 ft
  • Loading Height - Empty
    23 ft
  • Overall Height - Body Raised
    51.5 ft
  • Rear Axle - Clearance - Loaded
    3.08 ft
  • Overall Body Length
    48.6 ft
  • Inside Body Length
    32.75 ft
  • Overall Length
    49.5 ft
  • Wheel Base
    23.58 ft
  • Rear Axle - Tail
    12.9 ft
  • Dump Clearance
    6.58 ft
  • Centerline Front Tire Width
    21.41 ft
  • Overall Canopy Width
    29.91 ft
  • Outside Body Width
    32 ft
  • Inside Body Width
    27.91 ft
  • Centerline of Rear Dual Tire Width
    20.41 ft
  • Overall Tire Width
    31.25 ft

Sound

  • Sound Standards
    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
    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.
  • 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
    ISO 5010:2007
  • Steering Standards
    ISO 5010:2007
  • Steer Angle
    40 °
  • Steering Angle
    40 °
  • Turning Diameter - Front
    122.7 ft
  • Note
    Turning Diameter (ISO 7457:2009)

Tires

  • Tire
    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.
  • Tires
    59/80 R63
  • 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.

Weights - Approximate

  • 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)
    1375000 lb
  • 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 (3)
    Chassis weight with 100 percent fuel, hoist, body mounting group, rims and tires.
  • Chassis Weight
    474472 lb
  • Rated Gross Machine Weight
    1375000 lb
  • Body Weight
    94799 lb

Braking System

  • Outside Diameter
    42 in
  • Note
    Anti-Lock Brake System (ABS) optional with CMD package
  • Service Brakes
    Service Brakes: Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
  • Front Wet Disc Brake Surface Area
    20500 in²
  • Rear - Wet Disc Brake Surface Area
    30750 in²
  • Standards
    Service and Secondary: ISO 3450:2011
  • Parking Brake
    Four-corner, Multi-disc, Spring Applied, Hydraulically Released

Capacity - HP Body - 100% Fill Factor

  • Heaped (SAE 2:1)*
    330 yd³ / 252 m³
  • Struck
    225 yd³ / 172 m³
  • Note (1)
    Consult your local Cat dealer for body recommendations.

Cab

  • 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.
  • Note
    Ambient capabilities down to -30C (-22F) for heater/defroster and up to 50C (122F) for air conditioning.
  • Air Conditioning
    HFC - 134A refrigerant: 24,300 Btu/h
  • ROPS Standards (1)
    The operator sound pressure level, 76 dB(A), complies with ISO 6394:2008 and ISO 6396:2008.

Capacity - MSD II - 100% Fill Factor

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

ROPS

  • FOPS Standards
    FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria.
  • 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.

Approximate Weights - MSD II

  • Front Axle - Empty
    47.20%
  • Front Axle - Loaded
    33.30%
  • Rear Axle - Empty
    52.80%
  • Rear Axle - Loaded
    66.70%

Weight Distributions - Approximate

  • Front Axle - Empty
    47.2%
  • Front Axle - Loaded
    33.3%
  • Rear Axle - Empty
    52.8%
  • Rear Axle - Loaded
    66.7%

Safety

Performance

Integration

Sustainability

Operating Cost

Technology Solutions

Truck Body Systems

Serviceability

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
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