Product Description
Yale Bell Crank (Riser Load Wheel), part number YL 643182400, is a direct replacement component for electric pallet jack models MP 040 AC and MPB 040 AC. Manufactured from heavy-gauge machined steel, this linkage connects the riser actuator to the load wheel assembly, translating hydraulic pressure into smooth lift and lower motion. Part includes validated cross-reference numbers YT643182400 and 643182400.
Specifications
Dimensional
| Mounting Compatibility | Direct fit for specified Yale models (MP 040 AC, MPB 040 AC) |
Part Numbers
| Part Number | YL 643182400 |
| Cross-Reference Part Numbers | YT643182400, 643182400 |
| Equivalent Part Numbers | YL643182400 (alternate format) |
| Compatible With Models | Yale MP 040 AC, Yale MPB 040 AC |
| Material & Construction | Heavy-gauge machined steel |
| Function | Force linkage between riser actuator and load wheel assembly |
Frequently Asked Questions
Q: What is the function of the YL 643182400 bell crank in a Yale lift truck?
A: The bell crank is a force linkage that connects the riser actuator to the load wheel assembly. It translates hydraulic pressure into mechanical lift and lower motion for the pallet truck platform.
Q: Which Yale models is the YL 643182400 compatible with?
A: This part fits Yale electric pallet truck models MP 040 AC and MPB 040 AC. It is a direct replacement for the OEM bell crank riser load wheel assembly on these specific models.
Q: What are the cross-reference part numbers for this component?
A: Cross-reference numbers include YT643182400 and the numeric equivalent 643182400. Alternate SKU format is YL643182400 (no hyphen). Use these references when searching parts catalogs or inventory systems.
Q: What is the material and construction of this bell crank?
A: The YL 643182400 is manufactured from heavy-gauge steel using machined construction. This steel composition provides strength and wear resistance needed for thousands of daily lift cycles in warehouse operations.
Q: How long does a bell crank typically remain serviceable?
A: Service life depends on cycle frequency and maintenance practices. A properly maintained bell crank in standard warehouse use typically lasts several years. Replace if you observe cracks, bending, or linkage slop.
Q: What are symptoms that indicate bell crank replacement is needed?
A: Replace if lift response becomes sluggish or uneven, you hear grinding or clicking during operation, the platform does not raise or lower smoothly, or you observe visible cracks or excessive play in the linkage assembly.