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Overview

Caterpillar offers partial wheel tractor-scraper power units designed for specialty machines that complement the traditional Cat® product line. These tractor-only configurations are available for purchase directly from Caterpillar OEM Solutions. They can be leveraged for a variety of final machines, including water pulls, elevating scrapers, lowboy trailer power units, and more. With improvements in productivity combined with enhancements in operator comfort and new safety features – Powered Access System and effective wet disc brakes – this machine offers high returns on time and investment.

Key Features

More Comfort. More Performance. More Versatility.

Enhanced Operator Comfort

Ergonomic controls and a newly redesigned cab interior provide a more comfortable and efficient working environment all day long

Unparalleled Safety

Safety features help increase operator confidence by providing a safer environment for operations - effective wet disc brakes, WAVS camera, and powered access cab entry

Up To 15% Less CO2 Emissions

The 651 emits up to 15% less CO2 than the previous 651E.

Specifications

Tractor Engine Cat® C18
Note Meets U.S. EPA Tier 4 Final or EU Stage V emission standards, or equivalent to U.S. EPA Tier 2, or equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Gross Power (SAE J1995) 637 hp
Net Power (SAE J1349/ISO 9249) 592 hp
Bore 5.7 in
Stroke 7.2 in
Displacement 1105 in³
Top Speed - Loaded 34.9 mile/h
1 Forward 3.5 mile/h
2 Forward 6.5 mile/h
3 Forward 7.8 mile/h
4 Forward 10.6 mile/h
5 Forward 14.2 mile/h
6 Forward 19.2 mile/h
7 Forward 25.7 mile/h
8 Forward 34.9 mile/h
Reverse 6.7 mile/h
Width - 180° Turn - Right 44.6 ft
Width - 180° Turn - Left 47.57 ft
Steering Angle - Right 90
Steering Angle - Left 85
Brakes ISO 3450:2011
ROPS/FOPS ROPS: ISO 3471:2008 for up to 26 600 kg (58,643 lb). FOPS: ISO 3449:2005 Level II
Cab Seat Belt: SAE J386:AUG2012
Fuel Tank 430.1 gal (US)
Crankcase 10 gal (US)
Transmission 35.9 gal (US)
Differential 36 gal (US)
Final Drive - Each 6 gal (US)
Cooling System 23.4 gal (US)
Hydraulic Reservoir 39.6 gal (US)
Windshield Washer 0.5 gal (US)

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