The Muncie 18T39975 is a Cone Spacer used in CS40 and CS41 Series clutch-shift power take-offs. Muncie's own service-parts documents list this spacer with two dimension ranges: 0.816/0.814 and 0.813/0.811, indicating selective-fit sizing used during assembly or rebuild. The CS40/41 Series is designed for use with Allison 3000 and 4000 series transmissions and Caterpillar CX transmissions. Having the correct cone spacer on hand is critical to proper gear engagement and bearing preload during a PTO rebuild. Call us to confirm which dimension range applies to your specific assembly.
Features
Muncie part number 18T39975 - genuine Muncie service part
Cone Spacer for CS40 and CS41 Series clutch-shift PTOs
Selective-fit dimensions: 0.816/0.814 (per SP14-03 and SP06-01 documents)
Alternate dimension: 0.813/0.811 (per SP06-02 document)
Compatible with PTOs designed for Allison 3000/4000 and Caterpillar CX transmissions
Sold by Pro Gear and Transmission
Tech Specs
- Cone Spacer Dimensions: 0.816 / 0.814 (SP14-03, SP06-01) or 0.813 / 0.811 (SP06-02)
- Application: Muncie CS40 / CS41 Series Clutch-Shift PTO
- Transmission Compatibility (series-level): Allison 3000, Allison 4000, Caterpillar CX
