8T3331 Ring fit Caterpillar
8T3331 Ring fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
8T3331 Ring for Caterpillar Equipment
The 8T3331 ring is a transmission seal ring used in Caterpillar equipment, including tracked bulldozers, excavators, wheel loaders, and load-delivery machines. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The part is identified by SKU 8T3331 and belongs to the Transmission Seal Rings category. The listed applications and dimensions are provided below for part identification and equipment compatibility checks.
Fitment
The 8T3331 ring is used on the following Caterpillar equipment models:
- Tracked bulldozers: D11, D11R, D11T.
- Excavators: 235, 235B, 235C, 235D, 245, 245B, 245D.
- Wheel loaders: 988G, 988H, 988K, 988K XE, 993K.
- Load-delivery machines: R1600G, R1600H.
Compatibility should be checked against the equipment model and the part number marked for the specific transmission assembly. The same ring part number is listed across the Caterpillar machine groups shown above.
Cross-reference numbers
| SKU | 8T3331 |
| Part number with hyphenated format | 8T-3331 |
8T3331 and 8T-3331 refer to the same ring identification used for the listed Caterpillar equipment applications.
Specifications
| Part type | Transmission seal ring |
| Groove width - A | 2.52 in, tolerance ±0.003 in |
| Stem diameter | 5.00 in |
| Groove diameter - H | 5.20 in, tolerance ±0.001 in |
| Weight | 0.18 lb |
| Length | 12.17 cm |
| Width | 12.17 cm |
| Depth | 6.5 cm |
The dimensional data describes the ring and its groove-related measurements. Before installation, compare the dimensions and identification number with the removed component and the applicable Caterpillar transmission assembly.






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