Product Description
ROLL PIN
Specifications
Product Overview
| Part Number | 55440 |
| Product Type | Roll Pin (Shear Pin) |
Physical Specifications
| Diameter | 5/32 inch |
| Length | 3/4 inch |
| Material | Spring Steel |
| Finish | Zinc-Plated |
| Shear Rating | 1200 pounds nominal |
| Function | Overload protection; fails in shear to protect hydraulic and mechanical systems |
Compatibility
| Applications | Electric pallet jacks, walkie stackers, stand-on platform trucks |
| Compatible Brands | Crown, Toyota, Raymond, Jungheinrich, BT |
Frequently Asked Questions
Q: What are the dimensions and material specifications for roll pin 55440?
A: This roll pin is 5/32 inch diameter by 3/4 inch length, made from spring steel with a zinc-plated finish. It is designed to shear under overload conditions to protect electric lift truck hydraulic and mechanical systems.
Q: Which electric lift truck models and brands use roll pin 55440?
A: This pin is compatible with electric pallet jacks, walkie stackers, and stand-on platform trucks from Crown, Toyota, Raymond, Jungheinrich, and BT. Verify your equipment model year and assembly type before ordering.
Q: What is the shear load rating and failure mode of this roll pin?
A: This roll pin has a nominal shear rating of 1200 pounds. It is designed to fail in shear first to protect adjacent components. If pin 55440 repeatedly fails, the underlying mechanical cause should be inspected.
Q: Can I replace this roll pin with a solid pin or different material?
A: No. This roll pin must be replaced with an identical or equivalent design. Substituting materials, dimensions, or solid pins will alter the shear protection and may damage hydraulic or electrical systems.