9X3972 Seal Ring for Caterpillar Equipment

9X3972 is a transmission seal ring used in Caterpillar equipment, including wheel skidder machines, skidding tractors, multifunctional loaders with attachment kits, and wheel-type loaders. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The seal ring is intended for installation in the transmission-related sealing system of the listed Caterpillar machine models. The available product data identifies the component by SKU 9X3972 and by the hyphenated part-number format 9X-3972.

Fitment

• Wheel skidder machines: Caterpillar 120C, 518, FB518.
• Multifunctional loaders with attachment kits: Caterpillar IT18, IT18B, IT28, IT28B.
• Wheel-type loaders: Caterpillar 916, 926, 926E, 930R, 930T, 936, 936E, G916, G926, G936.
• Skidding tractors: Caterpillar 120C, 125C.

Fitment is listed by equipment model and machine series. The model designation should be checked against the machine identification data before installation, particularly where the same model number appears in more than one equipment category.

Cross-reference numbers

• SKU: 9X3972.
• Part number format: 9X-3972.

The numbers above identify the same seal ring in the available product data. No additional supplier or equipment-manufacturer reference numbers are specified.

Specifications