406

657 Wheel Tractor-Scraper

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.

  • Specifications

  • Standard/Optional Equipment

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Engine

Tractor Engine

Cat C18

Scraper Engine

Cat C15

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

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

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)

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)

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

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

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

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

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

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

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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