797F Mining Truck

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.

  • Nominal Rated Payload 400 ton (US)

  • Rated Gross Machine Weight 1375000 lb

  • Gross Power - SAE J1995 4000 HP

  • Net Power - SAE J1349 3795 HP

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Product Specifications

Specifications

Weights - Approximate

  • Body Weight 94799lb

  • Chassis Weight 474472lb

  • Nominal Rated Payload 400ton (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

Engine

  • 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 Hoists

  • 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.

Suspension

  • 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

Service Refill Capacities

  • 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)

Capacity - HP Body - 100% Fill Factor

  • Heaped (SAE 2:1)* 330 yd³ / 252 m³

  • Note (1) Consult your local Cat dealer for body recommendations.

  • Struck 225 yd³ / 172 m³

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 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 3471:1994 criteria.

Steering

  • Note Turning Diameter (ISO 7457:2009)

  • Steering Angle 40°

  • Steering Standards ISO 5010:2007

  • Turning Diameter - Front 122.7ft

Weight Distributions - Approximate

  • Front Axle - Empty 47.20%

  • Front Axle - Loaded 33.30%

  • Note Weight distributions optimized with Cat body.

  • Rear Axle - Empty 52.80%

  • Rear Axle - Loaded 66.70%

Final Drives

  • 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.

Tires

  • 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

Braking System

  • 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

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

  • 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

Features

Equipment

Standard Equipment

  • 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

  • SOS℠ sample ports

  • Service points, ground level

  • Sight level gauges for hydraulic/engine oil

  • 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