Exterior View
Interior View
Tractor Engine

Cat C18

Flywheel Power – Tractor/Scraper

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

Scraper Engine

Cat C15

657 Wheel Tractor-Scraper

ABOUT THE 657

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.

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Tractor Engine
Cat C18
Scraper Engine
Cat C15
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 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
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
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
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
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
Width – 180° Turn – Right
45.4ft
Width – 180° Turn – Left
47.57ft
Steering Angle – Right
90
Steering Angle – Left
85
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)
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
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)
  • 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

Why Choose Louisiana Cat

We serve to build and power our community for a better future.

  • Provide a safe & meaningful work environment
  • Deliver innovative solutions through our expertise
  • Committed to the long-term growth and success of our employees and customers
  • Grow our business profitably

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Terms and Conditions

Small Excavators Big Savings: Terms and Conditions

* Offer valid from October 1, 2024 through December 31, 2024 on new 313 through 317 Cat® excavators sold by participating Cat dealers to customers in the USA or Canada. Purchase must occur during offer period. Offer subject to machine availability and credit approval by Cat Financial. Not all customers will qualify. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply.

The Great Payback: Terms and Conditions

*Offer valid from October 1, 2024 through December 31, 2024. Offer only available on select new Cat® machines listed in our Heavy Equipment Promotion page. Purchase must occur by December 31, 2024. Offer subject to machine availability. Offer is subject to credit approval by Caterpillar Financial Services Corporation for US customers, and Caterpillar Financial Services Limited for Canadian customers. Not all customers will qualify. The offered Cat Customer Value Agreement (CVA) includes 6 maintenance parts kits; S∙O∙SSM; and 36 month VisionLink® ConnectPro. The maintenance parts cover the first 3,000 hours^ (estimated 3 years) of machine utilization. Each kit contains one set of parts for regular planned maintenance under normal operating conditions. In some severe applications where maintenance parts need to be replaced more frequently, additional parts will be at customer’s expense. Offer excludes additional maintenance parts, dealer labor, wear parts, and fluids. Offer also includes a 36 month/5000 hour (whichever occurs first) Powertrain, Hydraulics and Technology Equipment Protection Plan (EPP). In some areas, EPP might be sold separately from the CVA. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply. Contact your Cat dealer for details.

Compact Equipment Offer: Terms and Conditions

Financing provided by Caterpillar Financial.
*Offer valid from October 1, 2024 through December 31, 2024. Offer only available on purchases of new mini excavators, micro excavators, skid steer loaders, and compact track loaders sold by participating Cat dealers to customers in the USA or Canada. Purchases (both machine and CVA) and machine delivery must occur by December 31, 2024. Offer subject to machine availability. Offer is subject to credit approval by Caterpillar Financial Services Corporation for US customers, and Caterpillar Financial Services Limited for Canadian customers. Not all customers will qualify. The credit $500 USD for CVA purchase can only be applied toward the purchase of a qualifying Cat Customer Value Agreement (CVA). CVA must be at least 2yr/1000hr and must include 1-year Preventative Maintenance Parts Kit, TA1 annual Inspection, signed CVA contract, and Product LinkTM. Amount of CVA credit is the same for all models and cannot exceed the price of the qualifying CVA. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply.

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