In stock
SKU: 102-8139
102-8139 Recoil Spring fit Caterpillar
In stock
SKU: 102-8139
102-8139 Recoil Spring fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
$254.00
Delivery
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102-8139 Recoil Spring
The 102-8139 Recoil Spring is a component of the track tensioning and mechanical return system used on Caterpillar excavators. It is installed in the recoil and idler adjustment assembly, where it allows controlled movement of the idler wheel and helps absorb shock loads transmitted through the undercarriage.
This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts) for Caterpillar equipment.
Fitment
- Caterpillar 311-A excavator
- Caterpillar 311B excavator
- Caterpillar 312-A excavator
- Caterpillar 312B excavator
- Caterpillar 315-A excavator
- Caterpillar 315-A L excavator
- Caterpillar 315B excavator
- Caterpillar 315B L excavator
- Caterpillar 317 N excavator
- Caterpillar 317-A excavator
- Caterpillar 317-A N excavator
Cross-reference numbers
- 102-8139
- 1028139
Specifications
| Part type | Recoil spring |
| Equipment brand | Caterpillar |
| Machine type | Excavator |
| System | Track tensioning and mechanical return system |
| Assembly position | Recoil and idler adjustment assembly |
| Related components | Return springs and grease-filled adjusting cylinder |
| Weight | 91 lb |
The recoil spring works together with the adjusting cylinder and return mechanism. During operation, the assembly permits the idler wheel to move back and forth to maintain track tension and accommodate movement in the undercarriage.





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