8T7850 Head Wear Ring fit Caterpillar
8T7850 Head Wear Ring fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
8T7850 Head Wear Ring
The 8T7850 Head Wear Ring is a transmission seal ring used in Caterpillar excavators. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The part is identified by SKU 8T7850 and is also shown in the Caterpillar part-number format 8T-7850. The available application data identifies this ring for Caterpillar excavator equipment and the machine models listed below.
Fitment
The 8T7850 Head Wear Ring is listed for use with the following Caterpillar excavator models and series:
- Caterpillar 235B excavator
- Caterpillar 235C excavator
- Caterpillar 235D excavator
- Caterpillar 245 excavator
- Caterpillar 245B excavator
- Caterpillar 245D excavator
The source application data classifies the compatible equipment as excavators. Model identification should be checked against the machine serial number and the dimensions of the removed ring before installation.
Cross-reference numbers
| SKU | 8T7850 |
| Part number format | 8T-7850 |
8T7850 and 8T-7850 refer to the same listed part-number identification, with and without the separator between the prefix and the numerical sequence. No additional supplier cross-reference numbers are specified in the available product data.
Specifications
| Part type | Head wear ring |
| Category | Transmission seal rings |
| Equipment type | Excavator |
| Equipment manufacturer | Caterpillar |
| Groove diameter H | 4.95 in, tolerance ±0.001 in |
| Groove width A | 1.97 in, tolerance ±0.003 in |
| Stem diameter | 4.75 in |
| Weight | 0.15 lb |
| Listed length | 12.5 cm |
| Listed width | 12.5 cm |
| Listed depth | 5 cm |
The groove diameter, groove width, and stem diameter are stated in inches in the available technical data. The listed length, width, depth, and weight are provided as product dimensions and weight. The supplied data does not specify the installation position beyond the part designation as a head wear ring.

























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