3120782 Worm Circ Dr fit Caterpillar
3120782 Worm Circ Dr fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
3120782 Worm Circ Dr for Caterpillar
The 3120782 Worm Circ Dr is a worm component used in final drive and swing assemblies on Caterpillar equipment. The listed applications include Caterpillar engine-machine equipment and Caterpillar motor graders, including the 3116, 3126, 3126B, 3176C, 3304, 3306, C-9, C7, 120G, and 120H models. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
Fitment
The part is listed for the following Caterpillar equipment models and engine series:
| Equipment brand | Caterpillar |
| Engine series | 3116 |
| Engine series | 3126 |
| Engine series | 3126B |
| Engine series | 3176C |
| Engine series | 3304 |
| Engine series | 3306 |
| Engine series | C-9 |
| Engine series | C7 |
| Motor grader model | 120G |
| Motor grader model | 120H |
The fitment data identifies the part for Caterpillar equipment associated with the listed engine series and motor grader models. Compatibility should be checked against the machine model and the part number installed in the assembly before replacement.
Cross-reference numbers
| Primary part number | 3120782 |
| Also listed as | 312-0782 |
| Other listed number | 9D1142 |
The numbers 3120782, 312-0782, and 9D1142 are associated with the worm component described for the listed Caterpillar applications. Part-number verification is required when the equipment identification or assembly configuration is not known.
Specifications
| Part type | Worm |
| Application category | Final Drive & Swing Components |
| Equipment manufacturer | Caterpillar |
| Weight | 14.6 lb |
| Length | 35 cm |
| Width | 11 cm |
| Depth | 11 cm |
| Position or assembly | Final drive and swing component |
The supplied dimensional data for this part is 35 cm in length, 11 cm in width, and 11 cm in depth. The supplied weight is 14.6 lb. Material, thread information, tooth count, shaft dimensions, and included components are not specified.

























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