Crown guide spring for electric lift trucks
CR 129140
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Compatibility
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Product Description
Crown OEM Guide Spring CR 129140 for electric lift truck caster assemblies. This part ensures alignment and preload with a nominal spring free length of 75 mm and required assembly torque of 82–88 N·m. Compatible with PR 4500 Series and includes vertical mounting orientation with M12 thread interface.
Specifications
Part Numbers & Compatibility
| Make | Crown |
| Model | PR 4500, PE 4500, PW 3000 |
| Part Number | CR 129140 |
| Manufacturer Part Number | 129140 |
Wheel Dimensions
| Spring Free Length | 75 mm |
Additional Specifications
| Description | Crown OEM Guide Spring CR 129140 for electric lift truck caster assemblies. This part ensures alignment and preload with a nominal spring free length of 75 mm and required assembly torque of 82–88 N·m. Compatible with PR 4500 Series and includes vertical mounting orientation with M12 thread interface. |
| Assembly Torque | 82–88 N·m |
| Compatible Series | PR 4500 Series |
| Mounting Orientation | Vertical |
| Thread Interface | M12 |
Frequently Asked Questions
Q: What is the CR 129140 guide spring used for?
A: The CR 129140 is a replacement guide spring for Crown electric lift truck caster assemblies. It provides preload and alignment force to ensure consistent caster tracking and steering geometry during equipment operation.
Q: Which Crown models is the CR 129140 compatible with?
A: The CR 129140 is compatible with Crown PR 4500, PE 4500, and PW 3000 models. Verify your equipment belongs to one of these series before ordering.
Q: What happens if the CR 129140 spring becomes weak or fails?
A: A weakened or failed CR 129140 guide spring can cause loss of caster preload, leading to inconsistent steering, wandering direction, or excessive caster wheel wobble. The equipment may pull to one side during operation or require excessive operator input to steer.
Q: How do I know if I need a replacement CR 129140 guide spring?
A: Inspect the caster assembly for signs of wear or damage. If the spring is weak, broken, or not providing proper preload, it may need to be replaced. Always use a replacement part that matches the original specifications.
Q: Can I use a different spring instead of the CR 129140?
A: It is not recommended to use a different spring instead of the CR 129140. This part is specifically designed for Crown PR 4500, PE 4500, and PW 3000 models. Using an incompatible spring may affect caster geometry and equipment performance.