Spicer TTC 201-30-12 or 2013012 countershaft is the range section countershaft sub-assembly, a genuine Spicer TTC part from Pro Gear and Transmission. In the factory parts list it is item E-5 in the Countershaft and Synchronizer Group Range Section, two per assembly, and it is carried in 27 Spicer transmission models in all, including ASO125-10S, ASO140-10S, ASO150-10S, ASO165-10S, LLPS145-10D, LLPSO140-10S, LLPSO150-10S and LPS0125-10S. A countershaft is an intermediate gearbox shaft that carries gears rather than taking the main drive in or out. In the range section drawing it sits between a front and a rear countershaft bearing, with the reverse idler countershaft gear and its needle bearing beside it.
Features
Countershaft sub-assembly for the range section, listed as Countershaft S/Assy Range
Item E-5 in the Countershaft and Synchronizer Group Range Section, two per assembly
Carried in 27 Spicer transmission models, including ASO125-10S, ASO140-10S, ASO150-10S and ASO165-10S
Also listed in LLPS145-10D, LLPSO140-10S, LLPSO150-10S and LPS0125-10S
Intermediate gearbox shaft that carries gears rather than taking the main drive in or out
Used in 27 Spicer Transmission models
