797F Mining Truck

797F Mining Truck

360° Exterior View

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, ...
PDF Print SHARE

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
Net Power - SAE J1349
3795HP
Engine Model
Cat® C175-20
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

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.

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.

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.

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

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

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