631 Partial Scraper
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.
Tractor Engine
Cat® C18
Flywheel Power - Tractor
570 HP
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.
Specification
Value
Tractor Engine
Cat® C18
Flywheel Power - Tractor
570 HP
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.
Specification
Value
Top Speed - Loaded
34.7 mile/h
1 Forward
3.4 mile/h
2 Forward
6.2 mile/h
3 Forward
7.7 mile/h
4 Forward
10.5 mile/h
5 Forward
14.1 mile/h
6 Forward
19 mile/h
7 Forward
25.7 mile/h
8 Forward
34.7 mile/h
Reverse
6.2 mile/h
Specification
Value
Width - 180° Turn
40.2 ft
Specification
Value
Brakes
ISO 3450:2011
ROPS/FOPS
ROPS: ISO 3471:2008. FOPS:ISO 3449:2005 Level II.
Cab
Seat Belt: SAE J386:FEB2006
Specification
Value
Fuel Tank
231 gal (US)
Crankcase
13.7 gal (US)
Transmission
29 gal (US)
Differential
41.7 gal (US)
Final Drive - Each
5 gal (US)
Cooling System
19.8 gal (US)
Hydraulic Reservoir
37.5 gal (US)
Windshield Washer
1.3 gal (US)