New CAT Equipment

657 Wheel Tractor-Scraper

High productivity / low cost solution

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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Benefits

Enhanced Operator Comfort

Ergonomic controls and a newly redesigned cab interior provide a more comfortable and efficient working environment all day long

Improved Productivity

Improvements in fuel efficiency, utilizing payload estimator, and the new APECS transmission controls deliver increased productivity

Unparalleled Safety

Safety features help increase operator confidence by providing a safer environment for operations - effective wet disc brakes, WAVS camera, and powered access cab entry
  • Dimensions
    Axle to Vertical Hitch Pin
    1.8 ft
    Front of Tractor to Front Axle
    14.93 ft
    Ground Clearance - Tractor
    2.3 ft
    Height - Overall Shipping
    15.29 ft
    Height - Scraper Blade Maximum
    2.17 ft
    Height - Top of Cab
    12.86 ft
    Length - Overall Machine
    58.96 ft
    Rear Axle - Rear of Machine
    8.07 ft
    Wheel Base
    32.68 ft
    Width - Inside of Bowl
    12.07 ft
    Width - Outside Bowl - Shipping Width
    12.84 ft
    Width - Overall Machine
    14.3 ft
    Width - Rear Tire Center Lines
    9.21 ft
    Width - Tractor
    12.3 ft
  • Engine
    Scraper Engine
    Cat® C15
    Tractor Engine
    Cat® C18
  • General
    Top Speed - Loaded
    33 mile/h
  • Hydraulics
    Apron Cylinder Bore
    7.08 in
    Apron Cylinder Stroke
    29.92 in
    Bowl Cylinder Bore
    7.08 in
    Bowl Cylinder Stroke
    37.4 in
    Compensator Settings - Cushion Hitch Circuit
    3002 psi
    Cushion Hitch Circuit
    19.54 gpm
    Ejector Cylinder Stroke (Stage 1/ Stage 2)
    38.32 in
    Implement Circuit (@ High Idle)
    517 L/min
    Relief Valve - Implement Circuit
    1999 psi
    Relief Valve - Steering Circuit
    1959 psi
    Secondary Steering Circuit
    14.52 gal/hr
    Steering Circuit (@ High Idle)
    76.08 gpm
  • Scraper Bowl
    Apron Closure Force
    39200 lb
    Apron Opening
    92 in
    Capacity - Struck
    32 yd³
    Depth of Cut - Maximum
    16.4 in
    Depth of Spread - Maximum
    26 in
    Ground Clearance - Maximum
    2.3 ft
    Hyd. Penetration Force - 657G
    121000 lb
    Rated Load
    104000 lb
    Scraper Capacity - Heaped
    44 yd³
    Width - Cut - To Router Bits
    12.5 ft
  • Scraper Engine
    Bore
    5.4 in
    Displacement
    928 in³
    Gross Power (SAE J1995)
    481 hp
    Net Power
    353 kW/447 hp
    Net Power (ISO 14396)
    480 hp
    Net Power (SAE J1349/ISO 9249)
    415 hp
    Stroke
    6.75 in
  • Service Refill Capacities - Scraper
    Cooling System
    16.6 gal (US)
    Crankcase
    8.9 gal (US)
    Differential
    44 gal (US)
    Final Drive - Each
    7.8 gal (US)
    Fuel Tank
    430 gal (US)
    Transmission
    31.9 gal (US)
  • Service Refill Capacities - Tractor
    Cooling System
    23.4 gal (US)
    Crankcase
    13.7 gal (US)
    Differential
    36 gal (US)
    Final Drive - Each
    6 gal (US)
    Hydraulic Reservoir
    39.6 gal (US)
    Transmission
    35.9 gal (US)
    Windshield Washer
    0.5 gal (US)
  • Steering
    Steering Angle - Left
    85
    Steering Angle - Right
    90
    Width - 180° Turn - Left
    47.57 ft
    Width - 180° Turn - Right
    45.4 ft
  • Tractor Engine
    Bore
    5.7 in
    Displacement
    1105 in³
    Flywheel Power - Tractor/Scraper
    469kW (637 hp) / 353 kW (479 hp)
    Gross Power (SAE J1995)
    637 hp
    Net Power
    469 kW/637 hp
    Net Power (ISO 14396)
    637 hp
    Net Power (SAE J1349/ISO 9249)
    584 hp
    Stroke
    7.2 in
  • Transmission
    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
    Top Speed - Loaded
    33 mile/h
  • Weights - Push-Pull
    Front Axle
    93842 lb
    Front Axle - Loaded
    134165 lb
    Rear Axle
    66663 lb
    Rear Axle - Loaded
    130340 lb
    Scraper Shipping
    64068 lb
    Total Operating - Empty
    164244 lb
    Total Operating - Loaded
    268302 lb
    Total Shipping
    160505 lb
    Tractor Shipping
    93635 lb
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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