Product Description
High-carbon spring steel roll pin (ISO 8752 type) with Rockwell C44–50 hardness, used for securing the ML55 frame assembly on Mighty Lift manual pallet jacks. Manufacturer part number ML B30. No cross-reference part numbers confirmed.
Specifications
Material
| Material Specification | High-carbon spring steel |
| Finish/Coating | Uncoated, oil-protected |
Part Numbers
| Manufacturer Part Number | ML B30 |
| OEM Part Number | ML B30 |
| Compatible Equipment | Mighty Lift manual pallet jack models with ML55 frame |
Frequently Asked Questions
Q: What does SKU 800075769 do on a Mighty Lift ML55 pallet jack?
A: SKU 800075769 is an ISO 8752 type high-carbon spring steel roll pin (Mighty Lift part number ML B30) that secures the ML55 frame assembly. It prevents separation of critical linkage and pump components during operation and load cycles.
Q: What are the material specifications for this roll pin?
A: This pin is made from high-carbon spring steel with Rockwell C44 to C50 hardness, oil-protected finish with no additional coating. These properties ensure strong retention, shock absorption, and resistance to shear stress.
Q: Is this pin compatible with other manual pallet jack brands?
A: This pin is specified for Mighty Lift manual pallet jacks with ML55 frame assemblies. For other brands like Crown, Toyota, or Raymond, verify ISO 8752 compliance and exact diameter and length before substituting.
Q: How do I identify if this roll pin needs replacement?
A: Replace this pin if you observe frame rocking, loose pump connections, visible corrosion, or if the pin falls out during operation. A functional pin should fit snugly without excessive play.
Q: What is the service life of this roll pin?
A: Under proper maintenance and normal loads, this high-carbon steel roll pin lasts the operational lifetime of the pallet jack. Inspect annually for corrosion or deformation. Replace if oil protection degrades or visible wear appears.