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657 Wheel Tractor-Scraper

Flywheel Power - Tractor/Scraper

469kW (629 hp) / 353 kW (473 hp)

Tractor Engine

Cat C18

Scraper Capacity - Heaped

44 yd³

Scraper Engine

Cat C15

Overview

Caterpillar offers Wheel Tractor-Scrapers designed exclusively for your coal stockpiling and retrieval needs. The Caterpillar® 657 Coal Bowl Scrapers can construct and maintain your coal stockpiles, as well as haul loads to your inlet supply system to meet the burn requirements of the plant.

Photos

360° View

Exterior

360° Exterior view. Double click on the image to zoom in on any area of the product.

Interior

360° interior view. Double click on the image to zoom in on any area of the product.

Showroom

657 Virtual Product Tour

Specifications

  • Engine
    Spec Value
    Tractor Engine Cat C18
    Scraper Engine Cat C15
  • Tractor Engine
    Spec Value
    Flywheel Power - Tractor/Scraper 469kW (629 hp) / 353 kW (473 hp)
    Net Power 469 kW/637 hp
    Gross Power (SAE J1995) 637 HP
    Net Power (ISO 14396) 637 HP
    Bore 5.7 in
    Stroke 7.2 in
    Displacement 1105 in³
    Net Power (SAE J1349/ISO 9249) 592 HP
  • Scraper Engine
    Spec Value
    Net Power 353 kW/447 hp
    Gross Power (SAE J1995) 481 HP
    Net Power (ISO 14396) 480 HP
    Net Power (SAE J1349/ISO 9249) 452 HP
    Bore 5.4 in
    Stroke 6.75 in
    Displacement 928 in³
  • Scraper Bowl
    Spec Value
    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
    Spec Value
    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
  • Hydraulics
    Spec Value
    Bowl Cylinder Bore 7.08 in
    Bowl Cylinder Stroke 37.4 in
    Apron Cylinder Bore 7.08 in
    Apron Cylinder Stroke 29.92 in
    Steering Circuit (@ High Idle) 76.08 gal/min
    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
  • Steering
    Spec Value
    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
    Spec Value
    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
    Spec Value
    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)
  • Dimensions
    Spec Value
    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
    Spec Value
    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

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