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657G Wheel Tractor-Scraper

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.

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SPECIFICATION SUMMARY
  • 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™

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

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 HP
  • Gross Power - Gears 3-8
    632 HP
  • Net Power - Gears 1-2
    564 HP
  • Net Power - Gears 3-8
    600 HP
  • Bore
    5.7 in
  • Stroke
    7.2 in
  • Displacement
    1105 in³
  • Flywheel Power - Tractor/Scraper
    447 kW (600 hp) / 337 kW (451 hp)

Scraper Bowl

  • Scraper Capacity: Heaped
    44.0 yd3
  • Rated Load
    104000.0 lb
  • Capacity Struck
    32.0 yd3
  • Depth of Cut - max.
    17.0 in
  • Width of Cut, to Router Bits
    12.7 in
  • Ground Clearance - max.
    23.0 in
  • Cutting Edge - thickness
    1.8 in.
  • Depth of Spread - max.
    26.0 in
  • Apron Opening
    92.0 in
  • Hyd. Penetration Force - 657G
    121000 lb
  • Apron Closure Force
    39200 lb
  • Scraper Capacity - Heaped
    44 yd³
  • Rated Load
    104000 lb
  • Capacity - Struck
    32 yd³
  • Depth of Cut - Maximum
    17 in
  • Width - Cut - To Router Bits
    12.7 in
  • Ground Clearance - Maximum
    23 in
  • Cutting Edge Thickness
    1.8 in
  • Depth of Spread - Maximum
    26 in
  • Apron Opening
    92 in

Transmission

  • Top Speed (Loaded)
    33.0 mph
  • 1 Forward
    3.5 mph
  • 2 Forward
    6.3 mph
  • 3 Forward
    7.8 mph
  • 4 Forward
    10.6 mph
  • 5 Forward
    14.1 mph
  • 6 Forward
    19.0 mph
  • 7 Forward
    25.6 mph
  • 8 Forward
    34.6 mph
  • Reverse
    6.1 mph
  • Top Speed - Loaded
    33 mile/h
  • 1 Forward
    3.5 mile/h
  • 2 Forward
    6.3 mile/h
  • 3 Forward
    7.8 mile/h
  • 4 Forward
    10.6 mile/h
  • 5 Forward
    14.1 mile/h
  • 6 Forward
    19 mile/h
  • 7 Forward
    25.6 mile/h
  • 8 Forward
    34.6 mile/h
  • Reverse
    6.1 mile/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
    171.0 in
  • Width - Tractor
    141.77 in
  • Width - rear tire center lines
    110.75 in
  • Width - Inside of Bowl
    145.0 in
  • Height - Overall Shipping
    185.4 in
  • Height - Top of Cab
    146.14 in
  • Ground Clearance - Tractor
    25.39 in
  • Front of Tractor to Front Axle
    148.4 in
  • Axle to Vertical Hitch Pin
    23.94 in
  • Height - Scraper Blade Maximum
    26.77 in
  • Wheelbase
    391.97 in
  • Length - overall machine
    636.38 in
  • Rear Axle to Rear of Machine
    95.98 in
  • Width - Outside Bowl - Shipping Width
    154 in
  • Bail Length - Maximum (Push-Pull)
    72.28 in
  • Width - Overall Machine
    171 in
  • Width - Tractor
    141.77 in
  • Width - Rear Tire Center Lines
    110.75 in
  • Width - Inside of Bowl
    145 in
  • Height - Overall Shipping
    185.4 in
  • Height - Top of Cab
    146.14 in
  • Ground Clearance - Tractor
    25.39 in
  • Front of Tractor to Front Axle
    148.4 in
  • Axle to Vertical Hitch Pin
    23.94 in
  • Height - Scraper Blade Maximum
    26.77 in
  • Wheel Base
    391.97 in
  • Length - Overall Machine
    636.38 in
  • Rear Axle - Rear of Machine
    95.98 in

Steering

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

Service Refill Capacities - Tractor

  • Transmission
    36.0 gal
  • Differential
    36.0 gal
  • Final Drive (per side)
    6.0 gal
  • Cooling System
    33.0 gal
  • Hydraulic Reservoir
    80.0 gal
  • Crankcase
    17 gal (US)
  • Wheel Coolant - Each
    34.3 gal (US)
  • Windshield Washer
    0.5 gal (US)
  • Transmission
    36 gal (US)
  • Differential
    36 gal (US)
  • Final Drive - Each
    6 gal (US)
  • Cooling System
    33 gal (US)
  • Hydraulic Reservoir
    80 gal (US)

Hydraulics

  • Bowl Cylinder Bore
    9.25 in
  • Bowl Cylinder Stroke
    37.4 in
  • Apron Cylinder Bore
    9.25 in
  • Apron Cylinder Stroke
    29.92 in
  • Ejector Cylinder Bore
    10.24 in
  • Ejector Cylinder Stroke
    76.61 in
  • Steering Circuit
    99.9 gal/min
  • Scraper Circuit
    153.0 gal/min
  • Cushion Hitch Circuit
    12.7 gal/min
  • Relief Valve - Steering Circuit
    1959.0 psi
  • Relief Valve - Implement Circuit
    1999.0 psi
  • Compensator Setting - Cushion Hitch Circuit
    3002.0 psi
  • Secondary Steering Circuit
    64.2 gal/min
  • Bowl Cylinder Bore
    9.25 in
  • Bowl Cylinder Stroke
    37.4 in
  • Apron Cylinder Bore
    9.25 in
  • Apron Cylinder Stroke
    29.92 in
  • Ejector Cylinder Bore
    10.24 in
  • Ejector Cylinder Stroke
    76.61 in
  • Steering Circuit
    99.9 gal/min
  • Scraper Circuit
    153 gal/min
  • Cushion Hitch Circuit
    12.7 gal/min
  • Relief Valve - Steering Circuit
    1959 psi
  • Relief Valve - Implement Circuit
    1999 psi
  • Compensator Settings - Cushion Hitch Circuit
    3002 psi

Scraper Engine

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

Weights - Standard, Tandem

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

Weights - Push-Pull

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

Service Refill Capacities - Scraper

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

Operator Station

Power Train - Engine

Power Train - Transmission

Electronic Controls

Cushion Hitch

Scraper Bowl

Coal Bowl

Push-Pull

Serviceability

Support

Standard 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

Optional Equipment: