1U3307 Backup Ring fit Caterpillar
1U3307 Backup Ring fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
1U3307 Backup Ring for Caterpillar Equipment
The 1U3307 Backup Ring is a transmission seal ring used in Caterpillar equipment. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The part is listed for use in Caterpillar crushers, load-haul-dump machines, mining excavators, pipelayers, track-type tractors, and wheel loaders. The compatible equipment models and series are specified below.
Fitment
- Crusher: CR20
- Load-haul-dump: R1700 II, R1700G
- Mining excavator: 5130, 5130B, 5230, 5230B
- Pipelayer: 578
- Track-type tractor: D11N, D11R, D11T
- Wheel loader: 992C, 992D
Specifications
| Part type | Backup ring |
| Component category | Transmission seal ring |
| Equipment manufacturer | Caterpillar |
| Manufacturer | CTP (Costex Tractor Parts) |
| Condition | New aftermarket spare part |
| Weight | 0.1 lb |
| Length | 38.1 cm |
| Width | 30.48 cm |
| Depth | 2.54 cm |
The 1U3307 designation identifies the backup ring covered by this listing. Fitment is stated for the Caterpillar equipment models listed above, including the CR20 crusher; R1700 II and R1700G load-haul-dump machines; 5130, 5130B, 5230, and 5230B mining excavators; the 578 pipelayer; D11N, D11R, and D11T track-type tractors; and 992C and 992D wheel loaders.
The supplied product data does not include additional equipment-manufacturer or supplier cross-reference numbers for this part.























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