5K1766 Seal for Caterpillar 941, 951B and D4D

5K1766 is a seal used on Caterpillar equipment. The listed applications are Caterpillar 941 and 951B track loaders, and the Caterpillar D4D track-type tractor. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified by SKU and part number 5K1766. The equipment brand associated with the listed fitment is Caterpillar. The available application information identifies the machine types as track loaders for models 941 and 951B, and a track-type tractor for model D4D.

This description covers the seal identified as 5K1766 and the equipment applications provided for this part. No additional machine series, installation position, sealing medium, material specification, or installation hardware is included in the available product data.

Fitment

• Caterpillar 941 — track loader
• Caterpillar 951B — track loader
• Caterpillar D4D — track-type tractor

The fitment information is stated by equipment model and machine type. The part number 5K1766 is associated with all three listed Caterpillar applications. The available data does not specify a production year, serial-number range, submodel, or particular machine assembly, so these details are not included.

Specifications

The recorded dimensions are length 4 cm, width 3.8 cm, and depth 0.7 cm. The recorded weight is 0.15 lb. These measurements describe the supplied 5K1766 seal; no tolerance or dimensional range is provided.

No separate cross-reference numbers from the equipment manufacturer or other suppliers are specified in the available data. Accordingly, no additional replacement or equivalent numbers are listed.