New Equipment
657G Wheel Tractor-Scraper
Quick loading, high travel speeds and the ability to load and dump on the run yield fast cycle times, allowing Cat® Wheel Tractor-Scrapers to deliver a high rate of productivity.
Operator Station
Operator Comfort
Productivity
Safety
Instruments
Power Train - Engine
ACERT„¢ Technology
Cat C18 Engine - Tractor
Cat C15 Engine - Scraper
Compliments the C18 in delivering power to the cutting edge for superior load and haul performance.
Engine Speed Lock
Power Train - Transmission
Planetary powershift transmission delivers excellent load capability. Redesigned front and rear axles accommodate wider brake shoes and drums. The neutral coast inhibitor and programmable top gear reduce wear while increasing machine performance.
Planetary Powershift Transmission Is Electronically Controlled
Final Drives
Brake Performance
Torque Converter
Electronic Controls
Electronic controls improve machine response and provide advanced diagnostic capabilities that result in better machine availability. The Product Link option allows remote monitoring of location, machine system status, and alert indicators.
Benefits of Electronic Control Modules (ECMs)
Combined Electronic Monitoring System EMS III
Product Link Ready
Easy Access Diagnostics Means Faster Problem Solving
Cushion Hitch
Superior structural design delivers state-of-the-art ride, capacity, and material control while assuring the durability and reliability customers expect from Caterpillar.
Cushion Hitch
Lockout Switch
Scraper Bowl
Caterpillar Scraper bowls deliver large loads with better retention, excellent material flow, fast cycle times and high productivity. Relocating the implement valve to the draft tube improves access and serviceability.
Bowl Design
Bulldozer Ejection System
Overflow Guard
Push-Loading
Cutting Edges and Cat Ground Engaging Tools (GET)
Tandem Engines
Material Appetite
Coal Bowl
Bowl Capacity
Wheel Tractor-Scraper Benefits
Push-Pull
Combined Power Increases Production
Hydraulically Actuated Bail
Serviceability
Engine Service Points
Implement Valve Relocation
Scraper Electrical Harness and One Piece Power Block
Electro-Hydraulic Implement Control Simplifies Serviceability
Support
The best parts availability and the best service capability will help keep your equipment working.
Product Support
Operation
Machine Selection
Purchase
Maintenance Services
Customer Support Agreements
Replacement
Scraper Bowl
Capacity Heaped |
44 yd3 |
Rated Load |
104000 lb |
Capacity Struck |
32 yd3 |
Depth of Cut - max. |
17 in |
Width of Cut, to Router Bits |
12.7 in |
Ground Clearance - max. |
23 in |
Cutting Edge - thickness |
1.8 in. |
Hyd. Penetration Force - 657G |
121000 lb |
Depth of Spread - max. |
26 in |
Apron Opening |
92 in |
Apron Closure Force |
39200 lb |
Tractor Engine
Net Power - Tractor/Scraper |
421 kW (564 hp) / 306 kW (410 hp) |
Net Power |
421/447 kW 564/600 hp |
Gross Power - Gears 1-2 |
596 hp |
Gross Power - Gears 3-8 |
632 hp |
Net Power - Gears 1-2 |
564 hp |
Net Power - Gears 3-8 |
600 hp |
Bore |
5.7 in |
Stroke |
7.2 in |
Displacement |
1105 in3 |
Scraper Engine
Net Power |
306/337 kW 410/451 hp |
Gross Power - Gears 1-2 |
437 hp |
Gross Power - Gears 3-8 |
478 hp |
Net Power - Gears 1-2 |
410 hp |
Net Power - Gears 3-8 |
451 hp |
Bore |
5.5 in |
Stroke |
6.5 in |
Displacement |
928 in3 |
Weights - Standard, tandem
Total Shipping |
147959 lb |
Tractor Shipping |
87717 lb |
Scraper Shipping |
60242 lb |
Total Operating - empty |
150761 lb |
Front Axle |
87924 lb |
Rear Axle |
62837 lb |
Total Operating - loaded |
254761 lb |
Front Axle Weight - loaded |
128246 lb |
Rear Axle Weight - loaded |
126515 lb |
Weights - Push-Pull
Total Shipping |
160505 lb |
Tractor Shipping |
93635 lb |
Scraper Shipping |
64068 lb |
Total Operating - empty |
160505 lb |
Front Axle |
93842 lb |
Rear Axle |
66663 lb |
Total Operating - loaded |
264505 lb |
Front Axle - loaded |
134165 lb |
Rear Axle (Loaded) |
130340 lb |
Dimensions
Width - overall machine |
171 in |
Width - tractor |
141.77 in |
Width - rear tire center lines |
110.75 in |
Width - inside of bowl |
145 in |
Width - outside bowl (shipping width) |
154 in |
Height - overall shipping |
185.4 in |
Height - top of cab |
146.14 in |
Ground Clearance, Tractor |
25.39 in |
Front of Tractor to Front Axle |
148.4 in |
Axle to Vertical Hitch Pin |
23.94 in |
Height - scraper blade max. |
26.77 in |
Wheelbase |
391.97 in |
Length - overall machine |
636.38 in |
Rear Axle to Rear of Machine |
95.98 in |
Bail Length - max. (push-pull) |
72.28 in |
Transmission
1 Forward |
3.5 mph |
2 Forward |
6.3 mph |
3 Forward |
7.8 mph |
4 Forward |
10.6 mph |
5 Forward |
14.1 mph |
6 Forward |
19 mph |
7 Forward |
25.6 mph |
8 Forward |
34.6 mph |
Reverse |
6.1 mph |
Steering
Width - 180° Turn, right |
44.62 ft |
Width - 180° Turn, left |
47.57 ft |
Steering Angle - right |
90° |
Steering Angle - left |
85° |
Service Refill Capacities - Tractor
Crankcase |
17 gal |
Transmission |
36 gal |
Differential |
36 gal |
Final Drive (per side) |
6 gal |
Cooling System |
33 gal |
Hydraulic Reservoir |
80 gal |
Wheel Coolant (each) |
34.3 gal |
Windshield Washer |
.5 gal |
Hydraulics
Bowl Cylinder Bore |
9.25 in |
Bowl Cylinder Stoke |
37.4 in |
Apron Cylinder Bore |
9.25 in |
Apron Cylinder Stroke |
29.92 in |
Ejector Cylinder Bore |
10.24 in |
Ejector Cylinder Stroke |
76.61 in |
Steering Circuit |
99.9 gal/min |
Scraper Circuit |
153 gal/min |
Cushion Hitch Circuit |
12.7 gal/min |
Secondary Steering Circuit |
64.2 gal/min |
Relief Valve - Steering Circuit |
1959 psi |
Relief Valve - Implement Circuit |
1999 psi |
Compensator Setting - Cushion Hitch Circuit |
3002 psi |
Service Refill Capacities - Scraper
Fuel Tank - 657G |
421.9 gal |
Crankcase |
10 gal |
Transmission |
32 gal |
Differential |
44 gal |
Final Drive (per side) |
7.9 gal |
Wheel Coolant (each) |
34.3 gal |
Cooling System |
24 gal |
Store Locations
Columbus, MS
Full Service Location
Greenwood, MS
Full Service Location
Tupelo, MS
Full Service Location
Tupelo , MS
CAT Rental Store
Memphis, TN
Regional Headquarters
Nashville (LaVergne), TN
Corporate Headquarters
Camden, TN
Full Service Location
Clarksville, TN
Full Service Location
Cookeville, TN
Full Service Location
Jackson, TN
Full Service Location
Manchester, TN
Full Service Location
Nashville (LaVergne), TN
CAT Rental Store
Memphis , TN
CAT Rental Store