797F Mining Truck

797F Mining Truck

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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.

Engine

Engine Model
Cat® C175-20
Gross Power - SAE J1995
4000 hp
Bore
6.9 in
Stroke
8.7 in
Displacement
6469 in3
Note
Power ratings apply at 1,750 rpm when tested under the specific conditions for the specified standard.
Note
Ratings based on SAE J1995 standard air conditions of 25° C (77° F) and 99 kPa (29.32 Hg) barometer. Power based on fuel having API gravity of 35 at 16° C (69° F) and an LHV of 42 780 kJ/kg (18,390 Btu/lb) when engine is used at 30° C (38° F).
Note
No low altitude arrangement (LAA) engine derating required up to 2134 m (7,000 ft) altitude.
Note
No high altitude arrangement (HAA) engine derating required up to 4877 m (16,000 ft) altitude.
Emissions
U.S. EPA Compliant. Where applicable, the Cat C175-20 engine is compliant with U.S. EPA emission standards.

Weights – Approximate

Target Gross Machine Operating Weight (GMW)
1375000 lb
Body Weight Range
41 368-61 235 kg (91,200-135,000 lb)
Chassis Weight Range
210 630-219 146 kg (464,359-483,134 lb)
Note
Refer to the Cat Mining Truck 10/10/20 Payload Policy for maximum gross machine weight limitations.
Note
Body weight varies depending on body and liner configuration. Weight range for known applications.
Note
Chassis weight with 100 percent fuel, hoist, body mounting group, rims and tires.

Operating Specifications

Nominal Payload Capacity
400 tons
Steer Angle
40 Degrees
Top Speed – Loaded
42 mph
Heaped SAE (2:1) Capacity
240-267 m3 (314-350 yd3)
Machine Clearance Turning Diameter
138 ft
Turning Circle Clearance Diameter
138.0 ft

Final Drives

Differential Ratio
1.276:1
Planetary Ratio
16.67:1
Total Reduction Ratio
21.26:1
Note
Double reduction, planetary with full floating axles.

Transmission

Forward 1
7.0 mph
Forward 2
9.5 mph
Forward 3
12.7 mph
Forward 4
17.2 mph
Forward 5
23.1 mph
Forward 6
31.2 mph
Forward 7
42.0 mph
Reverse
7.4 mph

Suspension

Rear Axle Oscillation
±4.0 degrees
Effective Cylinder Stroke – Front
12.3 in
Effective Cylinder Stroke – Rear
6.5 in

Body Hoists

Pump Flow – High Idle
317.0 gal/min
Relief Valve Setting – Raise
3510.0 psi
Body Raise Time – High Idle
25.0 Seconds
High Idle Body Lower Time – Float
19.0 Seconds

Brakes

Outside Diameter
42 in
Standards
ISO 3450:2011
Number of Discs per Side – Front
10
Number of Discs per Side – Rear
15
Brake Surface
51243 in2

Approximate Weights – MSD II

Front Axle – Empty
47.2%
Front Axle – Loaded
33.3%
Rear Axle – Empty
52.8%
Rear Axle – Loaded
66.7%

Weight Distributions – Approximate

Front Axle – Loaded
33.3%
Rear Axle – Loaded
66.7%
Front Axle – Empty
47.2%
Rear Axle – Empty
52.8%

Capacity – MSD II – 100% Fill Factor

Heaped (SAE 2:1)
240-267 m3 (314-350 yd3)
Struck
188-213 m3 (246-290 yd3)
Note
Consult your local Cat dealer for truck body recommendations.

Service Refill Capacities

Cooling System
306.0 gal
Crankcase
84.0 gal
Steering Tank
67.0 gal
Steering System (Includes Tank)
94.0 gal
Fuel Tank
1000 gal
Brake/Hoist Hydraulic Lines
219.0 gal
Brake/Hoist System (Includes Tank)
441.0 gal
Brake/Hoist Tank
203.0 gal
Differentials
311.0 gal
Final Drives, Each
49.0 gal
Front Wheels, Each
16.0 gal
Torque Converter Sump
80.0 gal
Torque Converter/Transmission System (Includes Sump)
166.0 gal

Tires

Tire
59/80R63 – Michelin or Bridgestone
Note
Productive capabilities of the 797F are such that, under certain job conditions, TKPH (TMPH) capabilities of standard tires could be exceeded and, therefore, limit production.

Dimensions

Front Canopy Height – Empty
25.33 ft
Loaded Ground Clearance
2.58 ft
Height to Top of ROPS – Empty
21.4 ft
Loading Height – Empty
23.0 ft
Inside Body Depth – Maximum
11.0 ft
Overall Height – Body Raised
51.5 ft
Engine Guard Clearance – Loaded
3.33 ft
Rear Axle Clearance – Loaded
3.08 ft
Overall Body Length
48.6 ft
Inside Body Length
32.75 ft
Overall Length
49.5 ft
Wheelbase
23.58 ft
Rear Axle to Tail
12.9 ft
Dump Clearance
6.58 ft
Centerline Front Tire Width
21.41 ft
Overall Canopy Width
29.91 ft
Outside Body Width
32.0 ft
Inside Body Width
27.91 ft
Centerline Rear Dual Tire Width
20.41 ft
Overall Tire Width
31.25 ft

ROPS

ROPS Standards
ROPS (Rollover Protective Structure) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.
FOPS Standards
FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II FOPS criteria.

Sound

Sound Standards
The operator sound pressure level measured according to work cycle procedures specified in ISO 6394:2008 and 6396:2008 is 76 dB(A) for cab offered by Caterpillar when properly installed and maintained and tested with doors and windows closed.
Sound Standards
Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in a noisy environment.

Steering

Steering Standards
ISO 5010:2007
  • 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
    • S·O·S sample ports
    • Service points, ground level
    • Sight level gauges for hydraulic/engine oil
  • ANTIFREEZE
    • 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