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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.

Weights - Approximate

Nominal Rated Payload

401ton (US)

Rated Gross Machine Weight

1375000lb

Chassis Weight

474472lb

Body Weight

94799lb

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)

Engine

Gross Power - SAE J1995

4000HP

Engine Model

Cat® C175-20

Net Power - SAE J1349

3795HP

Rated Speed

1750r/min

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.

Bore

6.9in

Stroke

8.7in

Displacement

6469in³

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.

Body Hoists

Type

Twin, two-stage hydraulic cylinders with snubbing valve.

Pump Flow - High Idle

317gal/min

Relief Valve Setting - Raise

3510psi

Body Raise Time - High Idle

25s

Body Lower Time - Float

18s

Body Power Down- High Idle

18s

Suspension

Type

Self-contained nitrogen/oil cylinders, rear strut pin-to-pin mounting, top & bottom double shear clevis attachments

Effective Cylinder Stroke - Front

3.9in

Effective Cylinder Stroke - Rear

3.7in

Rear axle - Oscillation

±3.96 degrees

Service Refill Capacities

Fuel Tank

1000gal (US)

Fuel Tank (Tier 4)

1200gal (US)

Diesel Exhaust Fluid Tank

100gal (US)

Cooling System

306gal (US)

Crankcase

103gal (US)

Front Wheels - Each

16gal (US)

Differentials

330gal (US)

Steering Tank

67gal (US)

Steering System - Including Tank

95gal (US)

Brake/Hoist Tank

203gal (US)

Brake Hoist System - Includes Tank

489gal (US)

Torque Converter Sump

80gal (US)

Torque Converter/Transmission System - Including Sump

166gal (US)

Note (1)

DEF Tank only available for EPA Tier 4 engine option.

Weight Distributions - Approximate

Front Axle - Empty

47.2%

Rear Axle - Empty

52.8%

Front Axle - Loaded

33.3%

Rear Axle - Loaded

66.7%

Note

Weight distributions optimized with Cat body.

Final Drives

Type

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.

Tires

Tires

59/80 R63

Rims

44" x 63"

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.

Braking System

Service Brakes

Service Brakes: Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated

Front Wet Disc Brake Surface Area

20500in²

Rear - Wet Disc Brake Surface Area

30750in²

Standards

Service and Secondary: ISO 3450:2011

Parking Brake

Four-corner, Multi-disc, Spring Applied, Hydraulically Released

Load Brake

Rear service brakes

Note

Anti-Lock Brake System (ABS) optional with CMD package

Capacity - HP Body - 100% Fill Factor

Struck

225 yd³ / 172 m³

Heaped (SAE 2:1)*

330 yd³ / 252 m³

Note (1)

Consult your local Cat dealer for body recommendations.

Cab

Air Conditioning

HFC - 134A refrigerant: 24,300 Btu/h

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.

FOPS Standards

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

Steering

Steering Angle

40°

Turning Diameter - Front

122.7ft

Steering Standards

ISO 5010:2007

Note

Turning Diameter (ISO 7457:2009)

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

Rear Axle - Clearance - Loaded

3.08ft

Inside Body Depth - Maximum

11ft

Overall Height - Body Raised

51.5ft

Loaded Ground Clearance

2.58ft

Loading Height - Empty

23ft

Engine Guard Clearance - Loaded

3.33ft

Height - Top of ROPS - Empty

21.4ft

Front Canopy Height - Empty

25.33ft

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

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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