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
Engine Model Cat® C175-20
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
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 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.
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
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)
Heaped (SAE 2:1)* 330 yd³ / 252 m³
Note (1) Consult your local Cat dealer for body recommendations.
Struck 225 yd³ / 172 m³
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.
Note Turning Diameter (ISO 7457:2009)
Steering Angle 40°
Steering Standards ISO 5010:2007
Turning Diameter - Front 122.7ft
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%
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.
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
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
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
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
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:
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)
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
