Open Bowl Scrapers:

657 Wheel Tractor-Scraper

Tractor Engine
Cat C18
Scraper Engine
Cat C15
Flywheel Power - Tractor/Scraper
469kW (629 hp) / 353 kW (473 hp)
Net Power
469 kW/637 hp

Cat® Wheel Tractor-Scraper 657 twin engine has the power to boost productivity by utilize push-pull loading. Combine this ability with improvements in productivity, enhancements in operator comfort, and new safety features – Powered Access System and effective wet disc brakes – and you have a machine offering high returns on profit and time.



Product Specs

  • Engine

  • Tractor Engine
    Cat C18
    Scraper Engine
    Cat C15
  • Tractor Engine

  • Flywheel Power - Tractor/Scraper
    469kW (629 hp) / 353 kW (473 hp)
    Net Power
    469 kW/637 hp
    Bore
    5.7in
    Stroke
    7.2in
    Displacement
    1105in³
  • Hydraulics

  • Implement Circuit (@ High Idle)
    517l/min
    Bowl Cylinder Bore
    7.08in
    Bowl Cylinder Stroke
    37.4in
    Apron Cylinder Bore
    7.08in
    Apron Cylinder Stroke
    29.92in
    Cushion Hitch Circuit
    19.54gal/min
    Secondary Steering Circuit
    14.52gal/hr
    Relief Valve - Steering Circuit
    1959psi
    Relief Valve - Implement Circuit
    1999psi
    Compensator Settings - Cushion Hitch Circuit
    3002psi
  • Scraper Engine

  • Net Power
    353 kW/447 hp
    Bore
    5.4in
    Stroke
    6.75in
    Displacement
    928in³
  • Scraper Bowl

  • Scraper Capacity - Heaped
    44yd³
    Rated Load
    104058lb
    Capacity - Struck
    32yd³
    Depth of Cut - Maximum
    16.4in
    Width - Cut - To Router Bits
    12.5ft
    Ground Clearance - Maximum
    2.3ft
    Hyd. Penetration Force - 657G
    121000lb
    Depth of Spread - Maximum
    26in
    Apron Opening
    92in
    Apron Closure Force
    39200lb
  • Transmission

  • Top Speed - Loaded
    33mile/h
    1 Forward
    3.5mile/h
    2 Forward
    6.5mile/h
    3 Forward
    7.8mile/h
    4 Forward
    10.6mile/h
    5 Forward
    14.2mile/h
    6 Forward
    19.2mile/h
    7 Forward
    25.7mile/h
    8 Forward
    34.9mile/h
    Reverse
    6.7mile/h
  • Steering

  • Width - 180° Turn - Right
    45.4ft
    Width - 180° Turn - Left
    47.57ft
    Steering Angle - Right
    90
    Steering Angle - Left
    85
  • Service Refill Capacities - Tractor

  • Crankcase
    13.7gal (US)
    Transmission
    35.9gal (US)
    Differential
    36gal (US)
    Final Drive - Each
    6gal (US)
    Cooling System
    23.4gal (US)
    Hydraulic Reservoir
    39.6gal (US)
    Windshield Washer
    0.5gal (US)
  • Service Refill Capacities - Scraper

  • Fuel Tank
    430gal (US)
    Crankcase
    8.9gal (US)
    Transmission
    31.9gal (US)
    Differential
    44gal (US)
    Final Drive - Each
    7.8gal (US)
    Cooling System
    16.6gal (US)
  • Dimensions

  • Width - Overall Machine
    14.3ft
    Width - Tractor
    12.3ft
    Width - Rear Tire Center Lines
    9.21ft
    Width - Inside of Bowl
    12.07ft
    Width - Outside Bowl - Shipping Width
    12.98ft
    Height - Overall Shipping
    15.29ft
    Height - Top of Cab
    12.86ft
    Ground Clearance - Tractor
    2.3ft
    Front of Tractor to Front Axle
    14.93ft
    Axle to Vertical Hitch Pin
    1.8ft
    Height - Scraper Blade Maximum
    2.17ft
    Wheel Base
    32.68ft
    Length - Overall Machine
    58.96ft
    Rear Axle - Rear of Machine
    8.07ft
  • Weights - Push-Pull

  • Total Shipping
    160505lb
    Tractor Shipping
    93635lb
    Scraper Shipping
    64068lb
    Total Operating - Empty
    164244lb
    Front Axle
    93842lb
    Rear Axle
    66663lb
    Total Operating - Loaded
    268302lb
    Front Axle - Loaded
    134165lb
    Rear Axle - Loaded
    130340lb

Equipment

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Electrical
    • Alarm, backup
    • Alternator, 115 amp - tractor engine
    • Alternator, 65 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
    • Lunch box platform with holding strap
    • 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, 2 piece
    • Scraper Engine Controls
    • Seat, Air Suspension, Cat Advanced Ride Management
    • Steering Wheel - tilt and telescoping
    • Storage Compartment
    • Transmission Hold
    • Windows - sliding side
    • 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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