631 Partial Wheel Tractor-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 | 425 kW |
| 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. |
| Top Speed - Loaded | 55.8 km/h |
|---|---|
| 1 Forward | 5.5 km/h |
| 2 Forward | 10 km/h |
| 3 Forward | 12.4 km/h |
| 4 Forward | 16.9 km/h |
| 5 Forward | 22.7 km/h |
| 6 Forward | 30.6 km/h |
| 7 Forward | 41.4 km/h |
| 8 Forward | 55.8 km/h |
| Reverse | 9.9 km/h |
| Cab | Seat Belt: SAE J386:FEB2006 |
|---|---|
| ROPS/FOPS | ROPS: ISO 3471:2008. FOPS:ISO 3449:2005 Level II. |
| Brakes | ISO 3450:2011 |
| Fuel Tank | 874 l |
|---|---|
| Crankcase | 52 l |
| Transmission | 110 l |
| Differential | 158 l |
| Final Drive - Each | 19 l |
| Cooling System | 142 l |
| Hydraulic Reservoir | 83 l |
| Windshield Washer | 5 l |
| Width - 180° Turn | 12.23 m |
|---|
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