Springs

Equipment Spring Fitment and Compatibility

Springs are defined by free length, wire diameter, coil count, and spring rate, and a spring that looks identical can carry a completely different rate. That makes the OEM number the only dependable way to order one. Common replacements here include the short compression spring replacing OEM 7221255, the compression spring replacing OEM 6578253, the torsion spring replacing OEM 7145358, the MT coil spring replacing OEM 7144508, and the extension spring for aerators replacing OEM 4113746.

Coverage runs deepest for Bobcat loaders, with New Holland, Case, and Takeuchi springs covering common control and latch positions across those brands.

Types of Replacement Springs

Compression springs resist being shortened and sit under pedals, detents, and latch mechanisms. Extension springs pull, and are common on attachment latches and deck linkages. Torsion springs resist rotation and live in covers, doors, and pivot returns. Gas springs use a sealed charge instead of coiled steel, hold cab doors and hoods open, and fail gradually rather than suddenly, which is why a door that will not stay up is the classic symptom.

A spring rarely breaks outright. It sags, which means the control feels different, the latch stops holding, or the panel drops. Replacing a sagged spring restores the geometry the mechanism was designed around.

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