TO 00591-57769-81

Frequently Asked Questions

Q: What does the TO 00591-57769-81 roller race do in an electric lift truck mast?
A: The TO 00591-57769-81 is a Toyota OEM roller race designed for electric lift truck mast assemblies. The roller race acts as a load-bearing component, supporting and guiding mast movement during raising and lowering cycles while minimizing friction and wear on mast tubes.

Q: Which Toyota electric lift truck models use the TO 00591-57769-81 roller race?
A: The TO 00591-57769-81 is a direct fit for specified Toyota electric lift truck models with compatible mast configurations. Cross-reference your truck model and mast serial number. No documented supersession or cross-reference numbers exist for this part.

Q: How do I diagnose if the TO 00591-57769-81 roller race is worn?
A: Replace the roller race if you hear grinding or clicking noises during mast operation, feel excessive vibration during raising or lowering, or notice binding or sticking when moving the mast manually. These symptoms indicate roller bearing surfaces have degraded and require replacement.

Q: What material and finish is the TO 00591-57769-81 roller race made from?
A: The TO 00591-57769-81 is a precision-machined roller race manufactured from hardened steel. The bearing surfaces are precision-ground and polished to minimize friction. The component is designed to withstand repeated load cycles in warehouse and manufacturing environments.

Q: What is the expected lifespan of the TO 00591-57769-81 roller race?
A: Under normal operating conditions, the TO 00591-57769-81 roller race typically provides 8 to 12 years of service. Lifespan depends on duty cycle and mast cleanliness. High-frequency mast operations or excessive mast contamination may shorten service life.