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.
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.
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
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)
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.
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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