Trailer Stabilizer Jacks are used to prevent up-ending semi-trailers when they are not connected to a trailer during loading and unloading operations. High strength steel construction. Flush-type zerk fitting for lubricating ACME screws. Meets OSHA regulations when used with wheel chocks. Powder coat safety yellow finish. Includes reflective collar for visibility at night.
NOTICE: all unattached trailers should be nose supported by trailer stabilizing jacks. All Drivers: Chock wheels on both sides. Set Brakes. Shut off engine. Driver stay in dock area. Put jacks under nose of detached semi trailers.
OSHA 1910.178 (k) (3)
"Fixed jacks may be necessary to support a semi trailer and prevent upending during the loading or unloading when the trailer is not coupled to a tractor."
OSHA Regulation 1910.178 (k) (3)
Spin-Top Jack Stabilizing Jack: Model WRSP-TOP

- 100,000 lb. Static capacity
- 40,000 lb. Lifting capacity
- 10 inch hard rubber wheels
- Painted safety yellow
- Weight 110 lbs.
- Spin top screw head
- Service range 39.5 through 51 inches
- 8 inch top cap
| Ratchet Beam Jacks |
| Model |
PDF's |
Description |
Static Capacity (lbs) |
Lifting Capacity (lbs) |
Service Range |
Wheel Size & Type |
Net Weight (lbs.) |
| WRSP-TOP |
Drawings Parts |
Spin Top |
100,000 |
40,000 |
39.5" to 51" |
10" hard rubber |
110 |
Hand Crank Stabilizing Jack: Model WRCJ-BEAM-PN

| Ratchet Beam Jacks |
| Model |
Description |
Static Capacity (lbs) |
Lifting Capacity (lbs) |
Service Range |
Wheel Size & Type |
Net Weight (lbs.) |
| WRCJ-BEAM-SN |
Hand Crank |
100,000 |
50,000 |
41"to55" |
16" semi-pneumatic |
173 |
WRCJ-BEAM-PN |
Hand Crank |
100,000 |
50,000 |
41"to55" |
16" fully pneumatic |
173 |