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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.
Advanced Productivity Electronic Control System (APECS) allows the engine and transmission to communicate…
Steer with less effort with the newly designed High-Pressure Steering system. Reduce up to 14 individual operator commands p…
Get in and out of the cab easier with the new powered accessladder system (optional attachment). Enhance an operator’s aware…
Cat Advance Ride Management (ARM) seat suspension reduces end stroke movement of the load cylinder for a smoother ride. Engi…
Access information anytime, anywhere with Vision Link® –use it to make informed decisions that boost productivity, lower costs, si…
The Cat C18 tractor and C15 scraper engines meets U.S. EPA Tier 4 Final or EU Stage V emission standards, contributing to lowerfue…
Specification | Value |
Tractor Engine | Cat C18 |
Scraper Engine | Cat C15 |
Specification | Value |
Flywheel Power - Tractor/Scraper | 469kW (629 hp) / 353 kW (473 hp) |
Net Power | 469 kW/637 hp |
Gross Power (SAE J1995) | 475 kW |
Net Power (ISO 14396) | 469 kW |
Net Power (SAE J1349/ISO 9249) | 436 kW |
Bore | 145 mm |
Stroke | 183 mm |
Displacement | 18.1 l |
Net Power (SAE J1349/ISO 9249) | 436 kW |
Specification | Value |
Net Power | 353 kW/447 hp |
Gross Power (SAE J1995) | 359 kW |
Net Power (ISO 14396) | 353 kW |
Net Power (SAE J1349/ISO 9249) | 333 kW |
Bore | 137.2 mm |
Stroke | 171.5 mm |
Displacement | 15.2 l |
Specification | Value |
Scraper Capacity - Heaped | 33.6 m³ |
Rated Load | 47.200 kg |
Capacity - Struck | 24.5 m³ |
Depth of Cut - Maximum | 417 mm |
Width - Cut - To Router Bits | 3.8 m |
Ground Clearance - Maximum | 0.7 m |
Hyd. Penetration Force - 657G | 542 kN |
Depth of Spread - Maximum | 660 mm |
Apron Opening | 2.337 mm |
Apron Closure Force | 176 kN |
Specification | Value |
Top Speed - Loaded | 56.1 km/h |
1 Forward | 5.7 km/h |
2 Forward | 10.5 km/h |
3 Forward | 12.5 km/h |
4 Forward | 17 km/h |
5 Forward | 22.8 km/h |
6 Forward | 30.9 km/h |
7 Forward | 41.4 km/h |
8 Forward | 56.1 km/h |
Reverse | 10.8 km/h |
Specification | Value |
Bowl Cylinder Bore | 180 mm |
Bowl Cylinder Stroke | 950 mm |
Apron Cylinder Bore | 180 mm |
Apron Cylinder Stroke | 759.5 mm |
Ejector Cylinder Stroke (Stage 1/ Stage 2) | 973.5 mm |
Steering Circuit (@ High Idle) | 288 l/min |
Implement Circuit (@ High Idle) | 517 l/min |
Cushion Hitch Circuit | 74 l/min |
Secondary Steering Circuit | 55 l/hr |
Relief Valve - Steering Circuit | 13.500 kPa |
Relief Valve - Implement Circuit | 13.780 kPa |
Compensator Settings - Cushion Hitch Circuit | 20.700 kPa |
Specification | Value |
Width - 180° Turn - Right | 13.85 m |
Width - 180° Turn - Left | 14.5 m |
Steering Angle - Right | 90 |
Steering Angle - Left | 85 |
Specification | Value |
Crankcase | 38 l |
Transmission | 136 l |
Differential | 136 l |
Final Drive - Each | 29.5 l |
Cooling System | 88.6 l |
Hydraulic Reservoir | 150 l |
Windshield Washer | 5 l |
Specification | Value |
Fuel Tank | 1.628 l |
Crankcase | 34 l |
Transmission | 121 l |
Differential | 168 l |
Final Drive - Each | 30 l |
Cooling System | 63.2 l |
Specification | Value |
Width - Overall Machine | 4.36 m |
Width - Tractor | 3.75 m |
Width - Rear Tire Center Lines | 2.81 m |
Width - Inside of Bowl | 3.68 m |
Width - Outside Bowl - Shipping Width | 3.93 m |
Height - Overall Shipping | 4.66 m |
Height - Top of Cab | 3.92 m |
Ground Clearance - Tractor | 0.7 m |
Front of Tractor to Front Axle | 4.55 m |
Axle to Vertical Hitch Pin | 0.55 m |
Height - Scraper Blade Maximum | 0.66 m |
Wheel Base | 9.96 m |
Length - Overall Machine | 17.97 m |
Rear Axle - Rear of Machine | 2.46 m |
Specification | Value |
Total Shipping | 72.804 kg |
Tractor Shipping | 42.472 kg |
Scraper Shipping | 29.061 kg |
Total Operating - Empty | 74.500 kg |
Front Axle | 42.566 kg |
Rear Axle | 30.238 kg |
Total Operating - Loaded | 121.700 kg |
Front Axle - Loaded | 60.856 kg |
Rear Axle - Loaded | 59.121 kg |
Learn more information about the Cat 657 Wheel Tractor-Scraper.
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Mantrac Kenya Ltd.
Witu Road, Off Lusaka Road,
Mansour Complex next to G4S
Headquarters Nyayo Stadium
Nairobi
P.O Box 30067
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