Valk's "Ram-Free" gear reversing snowplow is activated by a hydraulically powered worm gear, which rotates the plow.
- The torsion spring trip device allows the blade to trip over an obstruction until clear and then return to the normal plowing position.
- The curvature of our moldboard is designed for fast, efficient highway plowing. It is available in four sizes. (Standard moldboards available and designated by SW prefix).
Worm Gear
| Cutting | Width At | |||||
| Plow Model No. | Overall Width | Height | Thickness of Moldboard | Cutting Edge Size | Number of Vertical Ribs | Number of Horizontal Ribs |
| WR1030 | 10' | 30" | 10 GA. | 1/2" x 6" | 8 | 2 |
| WR1036 | 10' | 36" | 10 GA. | 1/2" x 6" | 8 | 2 |
| WR1137 | 11' | 37" | 10 GA. | 1/2" x 6" | 8 | 2 |
| WR1142 | 11' | 42" | 10 GA. | 1/2" x 6" | 8 | 2 |