Seal Group-Duo-Cone 9W6649

The 9W6649 Seal Group-Duo-Cone is a metal face seal group for Caterpillar equipment. It is used with Caterpillar engine-machine applications, Caterpillar OEM Solutions equipment, Caterpillar pipelayers, and Caterpillar track-type skidders. This is a new aftermarket seal group manufactured by CTP (Costex Tractor Parts).

The part is identified by the Caterpillar-style number 9W6649, also written as 9W-6649. The available application data lists the seal group for the equipment and model designations shown below. Final installation compatibility should be checked against the machine serial number and the dimensions of the removed seal group.

Fitment

• Caterpillar 3304
• Caterpillar 3306
• Caterpillar 3406
• Caterpillar 3406B
• Caterpillar 3406C
• Caterpillar OEMS
• Caterpillar 517
• Caterpillar 527
• Caterpillar 578
• Caterpillar 583R

Listed Caterpillar equipment categories include engine-machine applications, OEM Solutions equipment, pipelayers, and track-type skidders. The model information supplied for this part does not specify a separate machine configuration, axle, hub, final drive, or serial-number range.

Cross-reference numbers

• 9W6649
• 9W-6649
• 7T0158
• 6V1799

Numbers 9W6649 and 9W-6649 refer to the same part-number designation with different formatting. The numbers 7T0158 and 6V1799 are listed as interchangeable or cross-reference numbers for this seal group. Cross-reference information should be matched with the machine application before installation.

Specifications

The supplied dimensional data gives the packaged or measured overall length, width, and depth as 9.3 cm, 4 cm, and 9.3 cm respectively. No additional information is provided for seal material, face diameter, O-ring dimensions, thread specifications, installation position, or the individual components included in the seal group.