5M3999 Pivot Shaft fit Caterpillar
5M3999 Pivot Shaft fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
5M3999 Pivot Shaft for Caterpillar Equipment
5M3999 is a transmission pivot shaft used in Caterpillar track-type tractors and pipe-layers. The part is new and manufactured by CTP (Costex Tractor Parts) as an aftermarket spare part for the Caterpillar equipment models listed below.
Fitment
The shaft is used in the transmission-related assembly of the following Caterpillar machine types and models:
| Equipment type | Track-type tractor |
| Compatible models | 183B, 8D, 8S, D8H, D8K, D9G, D9H |
| Equipment type | Pipe-layer |
| Compatible models | 583K, 594, 594H |
Cross-reference numbers
The following numbers are associated with this transmission shaft and can be used for parts identification and catalog cross-reference:
| Primary part number | 5M3999 |
| Formatted part number | 5M-3999 |
| Additional cross-reference number | 2151693 |
Specifications
| Part type | Pivot shaft / transmission shaft |
| Equipment manufacturer | Caterpillar |
| Application | Transmission-related assembly |
| Part condition | New |
| Part classification | Aftermarket spare part |
| Manufacturer | CTP (Costex Tractor Parts) |
| Weight | 26.2 lb |
| Length | 35 cm |
| Width | 25 cm |
| Depth | 20 cm |
For identification, the part may be listed as 5M3999, 5M-3999, or 2151693 depending on the parts catalog or supplier reference. The listed dimensions and weight are the available product data for this shaft. Confirm the machine model and part number before installation, particularly where the same equipment series has multiple transmission configurations.

























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