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:
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- Note
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- Standard and optional equipment may vary. Consult your Cat dealer for details.
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- Electrical
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- 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
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- Operator Environment
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- 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
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- Power Train
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- Tractor
- Scraper
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- Other Standard Equipment
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- Tractor
- Scraper