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657 Wheel Tractor-Scraper

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.

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

PRICE (USD)
Call 800-637-5000 for rate information

Engine

  • Scraper Engine
    Cat C15
  • Tractor Engine
    Cat C18

Tractor Engine

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

Hydraulics

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

Scraper Engine

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

Scraper Bowl

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

Transmission

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

Steering

  • Width - 180° Turn - Right
    45.4 ft
  • Width - 180° Turn - Left
    47.57 ft
  • Steering Angle - Right
    90
  • Steering Angle - Left
    85

Service Refill Capacities - Tractor

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

Service Refill Capacities - Scraper

  • Fuel Tank - 657G
    430 gal (US)
  • Crankcase
    8.9 gal (US)
  • Transmission
    31.9 gal (US)
  • Differential
    44 gal (US)
  • Final Drive - Each
    7.8 gal (US)
  • Cooling System
    16.6 gal (US)
  • Fuel Tank
    430 gal (US)

Dimensions

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

Weights - Push-Pull

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

Operator Station

Power Train - Engine

Power Train - Transmission

Electronic Controls

Cushion Hitch

Scraper Bowl

Coal Bowl

Push-Pull

Serviceability

Support

Standard 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

Optional Equipment:

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