657 Wheel Tractor-Scraper
At a Glance
Tractor Engine
Cat C18
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Flywheel Power - Tractor/Scraper
469kW (629 hp) / 353 kW (473 hp)
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Scraper Engine
Cat C15
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Scraper Capacity - Heaped
44 yd³
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Machine Comparison
Overview
Cat® Wheel Tractor-Scraper 657 twin engine has the power to boost productivity by utilize push-pull loading. Combine this ability with improvements in productivity, enhancements in operator comfort, and new safety features – Powered Access System and effective wet disc brakes – and you have a machine offering high returns on profit and time.
Engine
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Tractor Engine |
Cat C18 |
Scraper Engine |
Cat C15 |
Tractor Engine
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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 |
Net Power (SAE J1349/ISO 9249) |
584hp |
Bore |
5.7in |
Stroke |
7.2in |
Displacement |
1105in³ |
Scraper Bowl
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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
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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
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Net Power |
353 kW/447 hp |
Gross Power (SAE J1995) |
481hp |
Net Power (ISO 14396) |
480hp |
Net Power (SAE J1349/ISO 9249) |
415hp |
Bore |
5.4in |
Stroke |
6.75in |
Displacement |
928in³ |
Weights - Push-Pull
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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
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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
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Width - 180° Turn - Right |
45.4ft |
Width - 180° Turn - Left |
47.57ft |
Steering Angle - Right |
90 |
Steering Angle - Left |
85 |
Service Refill Capacities - Tractor
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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
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Bowl Cylinder Bore |
7.08in |
Bowl Cylinder Stroke |
37.4in |
Apron Cylinder Bore |
7.08in |
Apron Cylinder Stroke |
29.92in |
Ejector Cylinder Stroke (Stage 1/ Stage 2) |
38.32in |
Steering Circuit (@ High Idle) |
76.08gal/min |
Implement Circuit (@ High Idle) |
517l/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
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Fuel Tank |
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:
Note
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Standard and optional equipment may vary. Consult your Cat dealer for details.
Electrical
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Alarm, backup
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Alternator, 115 amp - tractor engine
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Alternator, 65 amp - scraper engine
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Batteries Tractor (4), 12V Maintenance Free, High Output
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Batteries Scraper (4), 12V Maintenance Free, High Output
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Electrical System, 24V
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Lighting System - Tractor
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Lighting System - Scraper
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Starting Receptacle - tractor and scraper engines
Operator Environment
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Air Conditioner (includes heater and defroster)
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Automotive style fuse panel with fuse puller
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Lunch box platform with holding strap
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Coat Hook
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Cup holder
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Diagnostic Connection Port (12V)
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Dome Courtesy Light
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Engine speed lock
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Fan defroster
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Gauge Group
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Horn
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Implement Control Joystick
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Rearview Mirrors
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Radio Ready
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2 radio openings, speakers, and 5-amp converter
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ROPS Cab with Sound Suppression and Pressurization
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Static Seatbelt, 2 piece
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Scraper Engine Controls
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Seat, Air Suspension, Cat Advanced Ride Management
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Steering Wheel - tilt and telescoping
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Storage Compartment
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Transmission Hold
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Windows - sliding side
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Windshield - laminated glass
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Windshield Wiper/Washer - front and rear
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Wrist Rest/Grab Handle
Other Standard Equipment
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Optional Equipment: