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.



Product Specs

  • Tractor Engine

  • Flywheel Power: Tractor/Scraper
    447 kW (600 hp) / 337 kW (451 hp)
    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
    596HP
    Gross Power - Gears 3-8
    632HP
    Net Power - Gears 1-2
    564HP
    Net Power - Gears 3-8
    600HP
    Bore
    5.7in
    Stroke
    7.2in
    Displacement
    1105in³
  • 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.
    Depth of Spread - max.
    26.0in
    Apron Opening
    92.0in
    Scraper Capacity - Heaped
    44yd³
    Rated Load
    104000lb
    Capacity - Struck
    32yd³
    Depth of Cut - Maximum
    17in
    Width - Cut - To Router Bits
    12.7in
    Ground Clearance - Maximum
    23in
    Cutting Edge Thickness
    1.8in
    Depth of Spread - Maximum
    26in
    Apron Opening
    92in
    Hyd. Penetration Force - 657G
    121000lb
    Apron Closure Force
    39200lb
  • 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
    Top Speed - Loaded
    33mile/h
    1 Forward
    3.5mile/h
    2 Forward
    6.3mile/h
    3 Forward
    7.8mile/h
    4 Forward
    10.6mile/h
    5 Forward
    14.1mile/h
    6 Forward
    19mile/h
    7 Forward
    25.6mile/h
    8 Forward
    34.6mile/h
    Reverse
    6.1mile/h
  • Engine

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

  • Width - Overall Machine
    171.0in
    Width - Tractor
    141.77in
    Width - rear tire center lines
    110.75in
    Width - Inside of Bowl
    145.0in
    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
    Width - Overall Machine
    171in
    Width - Tractor
    141.77in
    Width - Rear Tire Center Lines
    110.75in
    Width - Inside of Bowl
    145in
    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
    Wheel Base
    391.97in
    Length - Overall Machine
    636.38in
    Rear Axle - Rear of Machine
    95.98in
    Width - Outside Bowl - Shipping Width
    154in
    Bail Length - Maximum (Push-Pull)
    72.28in
  • Steering

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

  • Transmission
    36.0gal
    Differential
    36.0gal
    Final Drive (per side)
    6.0gal
    Cooling System
    33.0gal
    Hydraulic Reservoir
    80.0gal
    Transmission
    36gal (US)
    Differential
    36gal (US)
    Final Drive - Each
    6gal (US)
    Cooling System
    33gal (US)
    Hydraulic Reservoir
    80gal (US)
    Crankcase
    17gal (US)
    Wheel Coolant - Each
    34.3gal (US)
    Windshield Washer
    0.5gal (US)
  • 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
    Relief Valve - Steering Circuit
    1959.0psi
    Relief Valve - Implement Circuit
    1999.0psi
    Compensator Setting - Cushion Hitch Circuit
    3002.0psi
    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
    153gal/min
    Cushion Hitch Circuit
    12.7gal/min
    Relief Valve - Steering Circuit
    1959psi
    Relief Valve - Implement Circuit
    1999psi
    Compensator Settings - Cushion Hitch Circuit
    3002psi
    Secondary Steering Circuit
    64.2gal/min
  • Scraper Engine

  • Net Power
    306/337 kW 410/451 hp
    Gross Power - Gears 1-2
    437HP
    Gross Power - Gears 3-8
    478HP
    Net Power - Gears 1-2
    410HP
    Net Power - Gears 3-8
    451HP
    Bore
    5.5in
    Stroke
    6.5in
    Displacement
    928in³
  • Weights - Standard, Tandem

  • Total Shipping
    147959lb
    Tractor Shipping
    87717lb
    Scraper Shipping
    60242lb
    Total Operating - Empty
    150761lb
    Front Axle
    87924lb
    Rear Axle
    62837lb
    Total Operating - Loaded
    254761lb
    Front Axle Weight - Loaded
    128246lb
    Rear Axle - Weight - Loaded
    126515lb
  • Weights - Push-Pull

  • Total Shipping
    160505lb
    Tractor Shipping
    93635lb
    Scraper Shipping
    64068lb
    Total Operating - Empty
    160505lb
    Front Axle
    93842lb
    Rear Axle
    66663lb
    Total Operating - Loaded
    264505lb
    Front Axle - Loaded
    134165lb
    Rear Axle - Loaded
    130340lb
  • Service Refill Capacities - Scraper

  • Fuel Tank - 657G
    421.9gal (US)
    Crankcase
    10gal (US)
    Transmission
    32gal (US)
    Differential
    44gal (US)
    Final Drive - Each
    7.9gal (US)
    Wheel Coolant - Each
    34.3gal (US)
    Cooling System
    24gal (US)

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
    • Lighting System - Tractor
    • Lighting System - Scraper
    • 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
    • Gauge Group
    • 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
    • Tractor
    • Scraper
  • Other Standard Equipment
    • Tractor
    • Scraper

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