Transmission Seal Ring 1261870 for Caterpillar Equipment

Transmission seal ring SKU 1261870 is used in Caterpillar excavators, wheel excavators, and forest machines. The part is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The supplied part number is also written as 126-1870. The listed applications include crawler excavator models, one wheel excavator model, and Caterpillar forest machine models. Fitment should be checked against the machine model and the part number installed on the equipment.

Fitment

The transmission seal ring is listed for the following Caterpillar equipment models.

• Excavator 320D
• Excavator 320D L
• Excavator 320E
• Excavator 320E L
• Excavator 320E LRR
• Excavator 320E RR
• Excavator 321B
• Excavator 321C
• Excavator 321D LCR
• Excavator 322B
• Excavator 322B L
• Excavator 322C
• Excavator 323
• Excavator 323F L
• Excavator 325
• Excavator 325C L
• Excavator 325F
• Excavator 325F LCR
• Excavator 340F L
• Wheel excavator MH3040
• Forest machine 521
• Forest machine 522

The model designations above are grouped by equipment type as provided in the application data. The list identifies machine models only; it does not specify a particular production year, serial-number range, transmission arrangement, or installation position.

Cross-reference numbers

The part is identified under the following numbers:

• 1261870 — product SKU
• 126-1870 — formatted part number

No additional supplier or equipment-manufacturer reference numbers are specified in the available product data.

Specifications

The available specifications provide the listed overall package or part measurements and weight, but do not identify the seal material, inner diameter, outer diameter, cross-section, temperature range, or installation orientation. The product data also does not state whether additional seals, retainers, or installation components are included.