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.
657 Wheel Tractor-Scraper
Overview
Photos
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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
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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