1N3257 Ring fit Caterpillar
1N3257 Ring fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
1N3257 Transmission Seal Ring for Caterpillar
1N3257 is a transmission seal ring used in Caterpillar equipment, including articulated dump trucks, cold planers and earthmoving compactors. The part is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The ring is listed for the Caterpillar D350E, D35HP, D400, D400D, D400E, D40D, PM-465, 826C, 826G and 825C models. The equipment brand named here refers to the manufacturer of the machines on which the part is used.
Fitment
- Caterpillar D350E
- Caterpillar D35HP
- Caterpillar D400
- Caterpillar D400D
- Caterpillar D400E
- Caterpillar D40D
- Caterpillar PM-465
- Caterpillar 826C
- Caterpillar 826G
- Caterpillar 825C
The listed applications cover Caterpillar equipment in the following machine groups:
- Articulated dump trucks
- Cold planers
- Earthmoving compactors
Cross-reference numbers
| Equipment manufacturer part number | 1N3257 |
| Part number with separator | 1N-3257 |
| CTP catalog number | 1N3257 |
1N3257 and 1N-3257 identify the same ring number in the available part data. The number is used for cross-reference identification in Caterpillar equipment applications listed above.
Specifications
| Part type | Transmission seal ring |
| Equipment brand | Caterpillar |
| Part category | Transmission Seal Rings |
| Part condition | New |
| Part classification | Aftermarket spare part |
| Manufacturer | CTP (Costex Tractor Parts) |
| Length | 8.89 cm |
| Width | 15.24 cm |
| Depth | 1.27 cm |
| Weight | 0.1 lb |
The supplied dimensions are 8.89 cm in length, 15.24 cm in width and 1.27 cm in depth. The listed weight is 0.1 lb. No additional information about the ring material, thread, sealing profile, installation position or included components is provided in the available product data.






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