Product Description
Yale YL 550091372 is a handle axle component engineered with a 30 degree pin hole offset, specifically designed for the YA55 manual pallet jack. Manufactured from high-strength carbon steel and case hardened for durability, it transmits input motion from the handle to the lift/lower mechanism and is built to OEM Yale standards for continuous industrial use. No cross-references or alternate part numbers are available for this item.
Specifications
Dimensional Specifications
| Pin Hole Orientation | 30 degree offset to ensure correct lever motion geometry |
Part Numbers
| OEM Part Number | YL 550091372 |
| Manufacturer Part Number | YL550091372 |
| Compatible Models | YA55 (Yale hand manual pallet jack series) |
Frequently Asked Questions
Q: What is the purpose of the 30 degree pin hole offset on the YL 550091372?
A: The 30 degree pin hole offset is engineered to ensure correct lever motion geometry. This angular offset translates handle input into the correct lift and lower motion path within the Yale YA55 pallet jack linkage system. The offset angle is critical to proper mechanical advantage and control responsiveness.
Q: Which Yale manual pallet jack models use the YL 550091372 handle axle?
A: The YL 550091372 is engineered for the Yale YA55 series manual pallet jacks. No cross-reference or alternate part numbers are available. It is a Yale OEM component and should only be ordered by this part number for YA55 application.
Q: What material properties does the YL 550091372 handle axle have?
A: The YL 550091372 is manufactured from high-strength carbon steel and case hardened for durability. Case hardening provides a wear-resistant surface while maintaining toughness in the core. This material combination resists bending and fatigue under continuous cycling and load transmission.
Q: What happens if the YL 550091372 axle becomes bent or damaged?
A: A bent or damaged handle axle will cause binding, sluggish handle response, or misaligned lever movement. The 30 degree pin hole geometry will be compromised, affecting lift and lower control precision. A bent axle cannot be straightened and must be replaced to restore full equipment function and operator control.