9W4950 Gear-Sun for Caterpillar

9W4950 is a sun gear used in Final Drive & Swing Components for Caterpillar equipment. It is listed for Caterpillar engines and Caterpillar wheel-type loaders, including the 3116, 3126, 950F, and 950F II models. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The component is identified as a gear-sun and is intended for use within the applicable drive or swing assembly of the specified Caterpillar equipment. The available fitment information identifies the equipment type and model series but does not specify individual machine serial-number ranges.

Fitment

• Caterpillar 3116 engine equipment
• Caterpillar 3126 engine equipment
• Caterpillar 950F wheel-type loader
• Caterpillar 950F II wheel-type loader

The source fitment data categorizes the application as Caterpillar engine-machine equipment and Caterpillar wheel-type loaders. Compatibility should be checked against the machine model and the existing component number before installation.

Cross-reference numbers

• 9W4950
• 9W-4950

9W4950 and 9W-4950 are number formats associated with the same part identification. The available data does not provide additional equipment-manufacturer or supplier reference numbers.

Specifications

The listed outside diameter, inside diameter, and height describe the gear-sun dimensions. Length, width, and depth are provided as separate recorded dimensional values. No information is provided for tooth count, spline profile, thread type, seal arrangement, or additional components included with the part.