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CAT<sup>®</sup> 797F

Off-highway trucks 797F

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Key Information

Engine Model

364 t

Nominal machine weight

623,690 kg

Gross power - SAE J1995

2,983 kW

Overview

Lowest Cost Per Ton in its Class

What makes the 797F CAT® mining truck the most productive 364-ton (401-ton US) truck on the market? Does it offer the best payload in its class? A braking system that improves driver confidence and productivity? A robust chassis that delivers high performance and long life, no matter the conditions? The current 797F offers all of this and more. Its speed, energy efficiency, and exceptional productivity make it the market leader in low cost per ton for its class. Its hauling capacity exceeds every load, every cycle, and every workday. Plus, it delivers superior results at the largest mine: yours.

Advantages

20% Lower Operating Costs

Thanks to over 25% reduction in maintenance costs, over 35% reduction in oil and lubricant costs, and fuel consumption

Up to 10% Lower Fuel Costs

One of the most energy-efficient trucks in the industry, in many applications

Physical Availability Over 90%

High availability due to reduced maintenance ratios, longer component life, and high reliability

Key Features

  • Security
  • The productivity
  • Energy efficiency
  • Versatility
  • Mastery and driving comfort
  • Durability and long lifespan
  • Cat Bins
  • Durability

Security

Large walkways, ladders, passages, and maintenance platforms; non-slip surfaces and guardrails; wide secondary evacuation ladder and rear access ladder for maintenance; optional motorized access ladder. Resiliently mounted ROPS structure integrated into the main chassis to reduce vibrations and noise. Disabling unit mounted on the front bumper equipped with an engine shutdown switch, a battery cutoff switch, a starter lockout, and a transmission lockout. Standard Cat MineStar object detection system, which combines radar and camera systems to alert the driver of immediate dangers. Optional driver safety system alerts the driver if signs of fatigue or distraction are detected.

The productivity

Advantage of cost per ton compared to competing models at altitudes from 6% to 14%, and the option of the HP (high performance) bucket which further reduces weight by 2.0 to 5.0 tons (2.2 to 5.5 US tons). Optimal speed on steep slopes, unstable ground, and on tracks with high rolling resistance, ensuring faster cycle times compared to its competitors; maximum loaded speed of 60 km/h (42 mph). Unmatched traction force during acceleration thanks to a 23% increase in net torque. Constant power over a wide range of operating speeds thanks to the Cat seven-speed Powershift transmission with planetary gears. Control of low-speed movement and unmatched torque locking thanks to the lock-up torque converter.

Energy efficiency

The different power settings allow you to operate at full power or in economy mode, so you can decide the power you need. Modes that allow precise adjustment of hydraulic power and engine power based on the work to be done; the Eco mode allows fuel savings of up to 3.5% per cycle. Optimized fuel calibrations are available for Tier 4 applications, at high altitude and less regulated. The engine ECM does not inject fuel into the cylinders during deceleration applications, resulting in exceptional fuel savings: no fuel combustion during deceleration. Increased energy efficiency in Tier 4 configuration.

Versatility

High and proven production in the most difficult conditions, whether it be extreme cold, soft terrain, or high-altitude and deep copper applications. The C175 Cat engine, with 20 cylinders and quadruple turbocharger, delivers a power of 4000 hp (2983 kW) for fast accelerations; a setting of 3550 hp (2647 kW) for applications that do not require as much power, such as flat terrain transportation found in many coal and iron ore sites. Excels at high altitude, with a full transmission engine configuration that offers higher payload and speeds without impacting fuel consumption.

Mastery and driving comfort

Two options to equip the 797F with the desired features for your operation. An ergonomic layout, excellent panoramic visibility, as well as controls, levers, and switches positioned to facilitate their use. Includes dozens of features designed to improve comfort, such as vibration reduction and noise suppression. The next-generation seat includes a height adjustment device, an adjustable shoulder support to prevent the seatbelt from rubbing against the driver's neck, as well as back, side, and lumbar supports to increase stability. Oil-cooled brakes on all four wheels and an automatic retarder control to improve maneuverability and machine control, allowing the driver to work quickly and confidently.

Durability and long lifespan

Only truck in its category to reach the threshold of 130,000 hours or more. Improvement of more than 5% in tire lifespan, significant increase in engine lifespan, and major improvement in lifespan of powertrain components. More than 80% of the chassis is molded, not made of steel sheet. Boxed design including two forged parts and 14 cast parts in areas subjected to high stress, with continuous penetrating and enveloping welds that prevent damage from torsion without overloading the machine. The chassis, powertrain, engine, and components are designed for refurbishment, offering multiple lifetimes of like-new performance at a fraction of the new price.

Cat Bins

The bins are designed to be an integral part of the vehicle's entire system, ensuring maximum chassis lifespan. The high-performance (HP) bin is characterized by a lightweight, simplified, and durable design that provides complete coverage of the machine at the front and extended protection above the machine. A bitumen sand bin specially designed for use in the challenging applications of Canadian oil sands. HP-XL bin, a version of the standard HP bin with an extended floor, designed to neutralize extreme diagonal front loading applications.

Durability

Designed to consume less fuel, which reduces engine emissions, no fuel is consumed during deceleration. The Tier 4 Final compliant engine (optional) reduces NOx and particle emissions. Less waste thanks to features such as rear axle filtration, extended-life filters, and longer maintenance intervals. Cat common rail fuel system, which ensures optimal fuel supply, reduces both fuel consumption and emissions. Engine compatible with diesel fuel blended with low carbon intensity fuels such as biofuels and renewable fuels. Cat Rebuild and Cat Reman programs, which preserve raw materials, save energy, and reduce emissions.

Contact Our Experts

International

+33 1 71 90 40 50

Monday to Friday 8am-5:30pm (UTC)

Product Specifications for 797F

  • ENGINE
    • Gross Power - SAE J19952983 kW
    • Engine ModelC175-20 CAT®
    • Net Power - SAE J13492828 kW
    • Rated Speed1750 RPM
    • EmissionsComplies with U.S. EPA standards. If applicable, the C175-20 Cat Engine is compliant with U.S. EPA emission standards. Tier 4 engine option available to meet Tier 4 Final emission standards.
    • Bore175 mm
    • Stroke220 mm
    • Displacement106 l
    • Note (1)Advertised net power is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.
    • Note (2)USA EPA Tier 4 Final available for applicable markets.
    • Note (3)Low maintenance configuration (4x4) and high altitude engine option available.
    • Note (4)No engine derate (high altitude version) required up to 4,877 m (16,000 ft) altitude.
  • WEIGHT (APPROXIMATE)
    • Nominal Payload364 t
    • Nominal Gross Machine Weight623690 kg
    • Chassis Weight215217 kg
    • Body Weight43000 kg
    • Note (1)Contact your tire manufacturer for maximum tire load carrying capacity.
    • Note (2)Chassis weight with full fuel and fluids, standard and mandatory equipment, hoist, body mounting group, rims, and tires.
    • Note (4)Tier 4 Chassis Weight: 220 565 kg (486 263 lb)
    • Chassis Weight Range210 630-219 146 kg (464 359-483 134 lb)
    • Body Weight Range41 368-61 235 kg (91 200-135 000 lb)
    • Note (3)Chassis weight includes full fuel, body, body mounting group, rims, and tires.
  • APPROXIMATE WEIGHT DISTRIBUTION
    • Front Axle, Empty47.2%
    • Rear Axle, Empty52.8%
    • Front Axle, Loaded33.3%
    • Rear Axle, Loaded66.7%
    • NoteOptimized weight distributions with Cat body.
  • REDUCTION GEAR SETS
    • TypePlanetary Double Reduction with Floating Axle Shafts.
    • Differential Ratio1.276:1
    • Planetary Ratio16.67:1
    • Total Reduction Ratio21.26:1
    • NotePlanetary Double Reduction with Floating Axle Shafts.
  • TRANSMISSION
    • 1st Forward10.7 km/h
    • 2nd Forward14.4 km/h
    • 3rd Forward19.3 km/h
    • 4th Forward26.1 km/h
    • 5th Forward35 km/h
    • 6th Forward47.3 km/h
    • 7th Forward63.6 km/h
    • Reverse11.9 km/h
    • Maximum Speed, Loaded63.6 km/h
  • TIRES
    • Tires59/80R63
    • Rims44" x 63"
    • NoteQuick change rims available as an option.
    • Note (1)Caterpillar recommends a complete application study to determine the most appropriate tire choice and TKPH (TMPH) capacities.
  • BRAKE SYSTEM
    • Service BrakesFully hydraulic, oil-cooled, multiple disc brakes at all four wheels.
    • Front Oil-Cooled Disc Brake Area132259 cm²
    • Rear Oil-Cooled Disc Brake Area198388 cm²
    • StandardsService and Secondary: ISO 3450:2011
    • Parking BrakeSpring-applied, hydraulic release on all wheels.
    • Retarder BrakeRear wheel braking.
    • NoteABS (Anti-lock Brake System) available with CMD package.
  • BODY CAPACITY, 100% FILL FACTOR
    • Struck225 yd³ / 172 m³
    • Heaped SAE 2:1*330 yd³ / 252 m³
    • Note (1)For more information on bodies, please contact your local Cat dealer.
  • BODY CYLINDERS
    • TypeDual Hydraulic, Self-Adjusting, Double-Acting.
    • Pump Flow at Maximum RPM1140 l/min
    • Relief Valve Setting - Lift24200 kPa
    • Hoist Time - Maximum RPM25 s
    • Lower Time - Free Fall, Empty18 s
    • Lower Time - Maximum RPM18 s
  • SUSPENSION
    • TypeIndependent Nitrogen/Oil Cylinders, Tandem Axle Mount, with Pins Top and Bottom.
    • Actual Cylinder Stroke - Front99.1 mm
    • Actual Cylinder Stroke - Rear93.2 mm
    • Rear Axle Oscillation±3.96 degrees
  • MAINTENANCE CAPACITIES
    • Fuel Tank3785 l
    • Fuel Tank (Tier 4)4542 l
  • Diesel Exhaust
      • Fluid Tank375 l
      • Cooling System1160 l
      • Crankcase390 l
      • Front Wheels (Each)61 l
      • Differentials1250 l
      • Steering Tank254 l
      • Steering System - Tank Included360 l
      • Brake/Hoist Tank770 l
      • Hoist/Brake System - Tank Included1850 l
      • Torque Converter Sump303 l
      • Transmission/Converter System - Sump Included629 l
      • Note (1)DEF tank available for U.S. EPA Tier 4 engine option only.
      • CAB
        • Air ConditioningHFC - 24300 Btu/h
        • Heating/Defroster38900 Btu/h
        • NoteAmbient capability down to -30°C (-22°F) for Heating/Defroster and up to 50°C (122°F) for Air Conditioning.
        • ROPS STANDARDS (1)The 76 dB(A) dynamic operator sound pressure level is based on tests per ISO 6394:2008 and ISO 6396:2008.
        • ROPS STANDARDS (2)Roll-Over Protective Structure (ROPS) meets ISO 3471:1994.
        • FOPS STANDARDSFalling Object Protective Structure (FOPS) meets ISO 3449:2005 Level II criteria.
      • STEERING
        • Turning Angle40°
        • Turning Radius, Front37.4 m
        • Steering StandardsISO 5010:2007
        • NoteTurning Radius (ISO 7457:2009)
      • DIMENSIONS
        • Ground Clearance - Loaded Rear Axle947 mm
        • Maximum Inner Width of Body - Top3363 mm
        • Overall Height - Raised Bed15701 mm
        • Ground Clearance - Loaded786 mm
        • Loading Height - Empty6998 mm
        • Engine Enclosure Ground Clearance - Loaded1025 mm
        • ROPS Top Height - Empty6526 mm
        • Front Canopy Height - Empty7709 mm
        • Body Overall Length14802 mm
        • Body Inside Length9976 mm
        • Overall Length15080 mm
        • Wheelbase7195 mm
        • Rear Axle - Back of Housing3944 mm
        • Dump Height2017 mm
        • Front Tire Centerline Width6534 mm
        • Canopy Width - Overall9116 mm
        • Body Exterior Width9755 mm
        • Body Interior Width8513 mm
        • Tandem Rear Axle Centerline Width6233 mm
        • Tire Outside Diameter - Rear9529 mm
      • BRAKES
        • StandardsISO 3450:2011
        • Number of Discs per Side - Rear15
        • Number of Discs per Side - Front10
      • SOUND LEVELS
        • Acoustic Standards (2)Hearing protection may be needed when operating with an open operator station and cab (if not properly maintained or doors/windows open) for extended periods or in noisy environments.
        • Acoustic Standards (1)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.
      • APPROXIMATE WEIGHT DISTRIBUTIONS - MSD II
        • Front Axle, Loaded33.30%
        • Rear Axle, Empty52.80%
        • Front Axle, Empty47.20%
        • Rear Axle, Loaded66.70%
      • CAPACITY - MSD II - 100% FILL FACTOR
        • Heaped SAE 2:1240 to 267 m3 (314 to 350 yd3)
        • Struck188 to 213 m3 (246 to 290 yd3)
        • NoteFor more information on bodies, please contact your local Cat dealer.
      • ROPS
        • FOPS STANDARDSFalling Object Protective Structure (FOPS) meets ISO 3449:2005 Level II criteria.
        • ROPS STANDARDS (Roll-Over Protective Structure)Roll-Over Protective Structure (ROPS) offered by Caterpillar meets ISO 3471:2008.
      • OPERATING SPECIFICATIONS
        • Heaped SAE 2:1240 to 267 m3 (314 to 350 yd3)

    Standard Equipment for 797F

    • ELECTRICAL EQUIPMENT
      • Reverse Alarm
      • Brushless Alternator, 150A
      • 12V Batteries (2), 93Ah
      • Electric Converter, 12V
      • 24V Electrical Circuit, 10, 20, and 25A
      • Battery Charger Outlet
      • Signaling System:
      • -Reverse and Hazard Lights
      • -Turn Signals (Front and Rear, LED)
      • -Front Access Ladder/Service Platform
      • -Stop/Tail Lights (LED)
      • -Engine Compartment
      • -VIMS, Blue Light (LED)
      • -Headlights with High/Low Beam Selector
    • DRIVER'S COMPARTMENT
      • Standard Cab:
      • -Optimized Standard Driver Seat
      • -Air-Suspension Instructor Seat
      • -Foldable Front Sun Visor
      • -Standard Side Cab Access
      • Deluxe Cab:
      • -Heated and Ventilated Seats
      • -Air-Suspension Instructor Seat
      • -Foldable Front Sun Visor
      • -Standard Rear and Side Cab Access
      • -Electric Windows
      • Cold Weather Deluxe Cab:
      • Heated and Ventilated Seats
      • Air-Suspension Instructor Seat
      • Foldable Front Sun Visor
      • Standard Rear and Side Cab Access
      • Electric Windows
      • Heated Mirrors
      • All Cab Options Include the Following Features:
      • Automatic Temperature Control Air Conditioner
      • 12V DC Power Supply (3)
      • Clothes Hook
      • Diagnostics Connection Port
      • Interior Roof Light
      • Ambient Radio Pre-Wire Package with 5A Electric Converter, Speakers, and Wiring Harness
      • Gauges/Indicators:
      • Instrument Panel: Transmission Fluid Temperature; Brake Oil Temperature; Engine Coolant Temperature; Fuel Level; Torque Converter Oil Temperature
      • -Electric Drive Motor Fault Indicator
      • Electric Maintenance Counter
      • Speedometer
      • Tachometer
      • Transmission Gear Indicator
      • VIMS Message Center with Advisor
      • Heater/Defroster (11070kCal/43930Btu)
      • Horn
      • Cat Detect System
      • Storage Compartments
      • Electric Body Dump Control
      • ROPS (Roll-Over Protective Structure) Cab, Isolated/Insulated
      • Driver Seat, Air-Suspension
      • Driver's Side, Three-Point, Reel Seat Belt
      • Instructor Seat, Air-Suspension
      • Instructor's Side, Two-Point, Reel Seat Belt
      • 600mm (23.6in) Access Ladder and Walkway
      • Tilt, Padded, and Telescopic Steering Wheel
      • Tinted Glass
      • Electric Window, Driver's Side
      • Windshield Wiper, Intermittent Control and Washer
      • Cup Holder
      • Right and Left Side Mirrors
    • POWERTRAIN
      • The C175-20 complies with Tier 2 Emission Standards:
      • -Turbochargers (4)/Charge Air Cooler (ATAAC)
      • -Air Filter with Precleaner (4)
      • -Ground-Level Engine Shutdown
      • -Automatic Ether Starting Aid
      • -Fast Idle Control
      • -Sump Guard
      • -Multipoint Oil Pressure Detection
      • -Automatic Starter Protection
      • Brake System:
      • -Integrated Parking Brake with Gear Selector
      • -Brake Releasing Engine (Towing)
      • -Oil-Cooled Multidisc Brakes (Front and Rear) -Maneuvering, Retardation, Parking, Auxiliary
      • -Automatic Retarder Control, Adjustable
      • -Engine Overspeed Protection
      • -Long-Life Material Brake Discs
      • Transmission:
      • -7-Speed Automatic Powershift Transmission with Electronic Control (ECPC)
      • -Raised Box Upshift Inhibitor
      • -Box Upshift with Accelerator Control
      • -Direction Change Management
      • -Locked in Neutral
      • -Neutral Start Switch
      • -Downshift Inhibitor/Reverse Inhibit
      • -Individual Clutch Modulation
      • -Neutralizer Lockout with Raised Box
      • -Programmable Maximum Speed
      • -Lockup Torque Converter
      • Pre-Lubrication/Engine
      • Continuous Rear Axle Lubrication and Filtration
    • OTHER STANDARD EQUIPMENT
      • Tractive Control System
      • Automatic Lubrication System
      • Auxiliary "Buddy" Dump Connection
      • Auxiliary Steering Connection (Towing)
      • Transmission Shielding
      • Quick Fuel Fill
      • Fuel Filter with Water Separator
      • Ground-Level VIMS Data Port
      • Ground-Level Battery Disconnect
      • Ground-Level Transmission Lockout
      • Ground-Level Anti-Start Lockout
      • Ground-Level Engine Shutdown
      • Quick Sump Oil Drain
      • Tanks (3 Separate):
      • Brake/Hoist, Steering/Fan, Transmission/Torque Converter
      • Rock Guard
      • Automatic Auxiliary Steering
      • Lashing Eyes
      • Intermediate Drawbar and Hitch Points (Front), Tow Pin (Rear)
      • Anti-Vandalism Locks
      • VIMS (Vital Information Management System):
      • -Includes VIMS Payload Monitor with Speed and Max Payload Manager
      • Hydraulic Filters, 1000 Hours
      • S•O•S℠ Sampling Ports
      • Ground-Level Service Points
      • Hydraulic/Oil Level Gauges
    • ANTIFREEZE
      • Long-Life Coolant to -35°C (-30°F)

    Available Options for 797F

    • OPTIONAL EQUIPMENT
      • Cat Detect System
      • Cabin Precleaner
      • Throttle Lock
      • Engine Auto Shutdown Timer
      • Antifreeze/Coolant, Protection Down to -50°C (-58°F)
      • Fuel Tank (7570L/2000USgal)
      • SL-V Grease Injectors
      • Body Heating
      • Rear Axle Lubrication Cooler
      • External Payload Display
      • Oil Renewal System
      • Oil Renewal System with 3-Day Tank
      • Coolant and Engine Oil Heater for Cold Starts
      • Road Analysis Control (RAC)
      • Portable Fire Extinguisher
      • Torque Converter Guard
      • Brake Wear Indicator
      • Wheel Rims (Spacer)
      • Rim Protection

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