657 Wheel Tractor-Scraper

Product description

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.

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
  • Gross Power (SAE J1995) - 637hp
  • Net Power (ISO 14396) - 637hp
  • Net Power (SAE J1349/ISO 9249) - 592hp
  • Bore - 5.7in
  • Stroke - 7.2in
  • Displacement - 1105in³
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
Scraper Engine
  • Net Power - 353 kW/447 hp
  • Gross Power (SAE J1995) - 481hp
  • Net Power (ISO 14396) - 480hp
  • Net Power (SAE J1349/ISO 9249) - 452hp
  • Bore - 5.4in
  • Stroke - 6.75in
  • Displacement - 928in³
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
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
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)
Hydraulics
  • Bowl Cylinder Bore - 7.08in
  • Bowl Cylinder Stroke - 37.4in
  • Apron Cylinder Bore - 7.08in
  • Apron Cylinder Stroke - 29.92in
  • Steering Circuit (@ High Idle) - 76.08gal/min
  • 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
Service Refill Capacities - Scraper
  • Fuel Tank - 657G - 430gal (US)
  • Crankcase - 8.9gal (US)
  • Transmission - 31.9gal (US)
  • Differential - 44gal (US)
  • Final Drive - Each - 7.8gal (US)
  • Cooling System - 16.6gal (US)
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
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