Open Bowl Scrapers:

657G Wheel Tractor-Scraper

Flywheel Power: Tractor/Scraper
447 kW (600 hp) / 337 kW (451 hp)
Scraper Capacity: Heaped
44.0 yd3
Top Speed (Loaded)
33.0 mph
Tractor Engine
Cat® C18 ACERT™

Quick loading, high travel speeds and the ability to load and dump on the run yield fast cycle times, allowing Cat® Wheel Tractor-Scrapers to deliver a high rate of productivity.



Benefits & Features

Product Specs

  • Tractor Engine

  • Flywheel Power: Tractor/Scraper
    447 kW (600 hp) / 337 kW (451 hp)
    Net Power
    421/447 kW 564/600 hp
    Gross Power - Gears 1-2
    596.0hp
    Gross Power - Gears 3-8
    632.0hp
    Net Power - Gears 1-2
    564.0hp
    Net Power - Gears 3-8
    600.0hp
    Bore
    5.7in
    Stroke
    7.2in
    Displacement
    1105.0in3
  • Scraper Bowl

  • Scraper Capacity: Heaped
    44.0yd3
    Rated Load
    104000.0lb
    Capacity Struck
    32.0yd3
    Depth of Cut - max.
    17.0in
    Width of Cut, to Router Bits
    12.7in
    Ground Clearance - max.
    23.0in
    Cutting Edge - thickness
    1.8in.
    Hyd. Penetration Force - 657G
    121000.0lb
    Depth of Spread - max.
    26.0in
    Apron Opening
    92.0in
    Apron Closure Force
    39200.0lb
  • Transmission

  • Top Speed (Loaded)
    33.0mph
    1 Forward
    3.5mph
    2 Forward
    6.3mph
    3 Forward
    7.8mph
    4 Forward
    10.6mph
    5 Forward
    14.1mph
    6 Forward
    19.0mph
    7 Forward
    25.6mph
    8 Forward
    34.6mph
    Reverse
    6.1mph
  • Engine

  • Tractor Engine
    Cat® C18 ACERT™
    Scraper Engine
    Cat C15 ACERT
  • Scraper Engine

  • Net Power
    306/337 kW 410/451 hp
    Gross Power - Gears 1-2
    437.0hp
    Gross Power - Gears 3-8
    478.0hp
    Net Power - Gears 1-2
    410.0hp
    Net Power - Gears 3-8
    451.0hp
    Bore
    5.5in
    Stroke
    6.5in
    Displacement
    928.0in3
  • Weights - Standard, tandem

  • Total Shipping
    147959.0lb
    Tractor Shipping
    87717.0lb
    Scraper Shipping
    60242.0lb
    Total Operating - empty
    150761.0lb
    Front Axle
    87924.0lb
    Rear Axle
    62837.0lb
    Total Operating - loaded
    254761.0lb
    Front Axle Weight - loaded
    128246.0lb
    Rear Axle Weight - loaded
    126515.0lb
  • Weights - Push-Pull

  • Total Shipping
    160505.0lb
    Tractor Shipping
    93635.0lb
    Scraper Shipping
    64068.0lb
    Total Operating - empty
    160505.0lb
    Front Axle
    93842.0lb
    Rear Axle
    66663.0lb
    Total Operating - loaded
    264505.0lb
    Front Axle - loaded
    134165.0lb
    Rear Axle (Loaded)
    130340.0lb
  • Dimensions

  • Width - Overall Machine
    171.0in
    Width - Tractor
    141.77in
    Width - rear tire center lines
    110.75in
    Width - Inside of Bowl
    145.0in
    Width - outside bowl (shipping width)
    154.0in
    Height - Overall Shipping
    185.4in
    Height - Top of Cab
    146.14in
    Ground Clearance - Tractor
    25.39in
    Front of Tractor to Front Axle
    148.4in
    Axle to Vertical Hitch Pin
    23.94in
    Height - Scraper Blade Maximum
    26.77in
    Wheelbase
    391.97in
    Length - overall machine
    636.38in
    Rear Axle to Rear of Machine
    95.98in
    Bail Length - max. (push-pull)
    72.28in
  • Steering

  • Width - 180° Turn, right
    44.62ft
    Width - 180° Turn, left
    47.57ft
    Steering Angle - Right
    90°
    Steering Angle - Left
    85°
  • Service Refill Capacities - Tractor

  • Crankcase
    17.0gal
    Transmission
    36.0gal
    Differential
    36.0gal
    Final Drive (per side)
    6.0gal
    Cooling System
    33.0gal
    Hydraulic Reservoir
    80.0gal
    Wheel Coolant (each)
    34.3gal
    Windshield Washer
    0.5gal
  • Hydraulics

  • Bowl Cylinder Bore
    9.25in
    Bowl Cylinder Stroke
    37.4in
    Apron Cylinder Bore
    9.25in
    Apron Cylinder Stroke
    29.92in
    Ejector Cylinder Bore
    10.24in
    Ejector Cylinder Stroke
    76.61in
    Steering Circuit
    99.9gal/min
    Scraper Circuit
    153.0gal/min
    Cushion Hitch Circuit
    12.7gal/min
    Secondary Steering Circuit
    64.2gal/min
    Relief Valve - Steering Circuit
    1959.0psi
    Relief Valve - Implement Circuit
    1999.0psi
    Compensator Setting - Cushion Hitch Circuit
    3002.0psi
  • Service Refill Capacities - Scraper

  • Fuel Tank - 657G
    421.9gal
    Crankcase
    10.0gal
    Transmission
    32.0gal
    Differential
    44.0gal
    Final Drive (per side)
    7.9gal
    Wheel Coolant (each)
    34.3gal
    Cooling System
    24.0gal

Equipment

  • Electrical
    • Alarm, backup
    • Alternator, 80 amp - tractor engine
    • Alternator, 50 amp - scraper engine
    • Batteries Tractor (4), 12V Maintenance Free, High Output
    • Batteries Scraper (4), 12V Maintenance Free, High Output
    • Electrical System, 24V
    • Array
    • Array
    • Starting Receptacle - tractor and scraper engines
  • Operator Environment
    • Air Conditioner (includes heater and defroster)
    • Automotive style fuse panel with fuse puller
    • Cigarette Lighter and Ashtray
    • Coat Hook
    • Cup holder
    • Diagnostic Connection Port (12V)
    • Dome Courtesy Light
    • Engine speed lock
    • Fan defroster
    • Array
    • Horn
    • Implement Control Joystick
    • Rearview Mirrors
    • Radio Ready
    • 2 radio openings, speakers, and 5-amp converter
    • ROPS Cab with Sound Suppression and Pressurization
    • Static Seatbelt
    • Scraper Engine Controls
    • Seat, Air Suspension, Caterpillar Comfort, cloth
    • Steering Wheel - tilt and telescoping
    • Storage Compartment
    • Transmission Hold
    • Windows - sliding side, swing out
    • Windshield - laminated glass
    • Windshield Wiper/Washer - front and rear
    • Wrist Rest/Grab Handle
  • Power Train
    • Array
    • Array
  • Other Standard Equipment
    • Array
    • Array
  • Push-pull arrangement
  • Steering, secondary
  • Extended Life Coolant, -50° C (-58° F)
  • Lock, Steering
  • Push-Pull Arrangement with Rear Radiator Guard
  • Product Link

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