9P6903 Steel Disc Fits CAT D3, D3C, D4C, D5C
9P6903 Steel Disc Fits CAT D3, D3C, D4C, D5C
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One New Aftermarket Replacement Steel Transmission Disc Fits Caterpillar (Fits CAT) Track-Type Tractors and Track Loaders
This steel intermediate disc is a wet brake and transmission component used in the power shift transmission planetary assemblies on Fits Caterpillar (Fits CAT) crawler dozers and track loaders. It functions as a clutch pack separator disc within the transmission, and is made from steel with external teeth that engage the transmission housing.
Specifications
- Material: Steel
- Outer Diameter: 155.0 mm (approximately 6.10 in.)
- Inner Diameter: 98.8 mm (approximately 3.89 in.)
- Thickness: 2.0 mm (approximately 0.08 in.)
- Number of Teeth: 22 (external)
- Weight: approximately 0.5 lbs.
Compatible Models
Fits Caterpillar Track-Type Tractors: D3, D3C, D3C Series III, D4B, D4C, D4C Series III, D5C, D5C Series III
Fits Caterpillar Track Loaders: 931B, 931C, 931C II, 933, 939
Fits Caterpillar Track Skidders: 527, D4HTSK II, D5HTSK II
Fits Caterpillar Compact Wheel Loaders / Integrated Toolcarriers: 910, IT18B, IT28, IT28B
Fits Caterpillar Excavators: 5110B
Replaces Part Number(s):
9P6903, 9P-6903, CA9P6903
New aftermarket replacement part - not remanufactured, not used.



