This auxiliary countershaft assembly is a replacement for the auxiliary section of Fuller and Mack heavy-duty transmissions. It comes as a complete assembly, one per pack, ready to install where the countershaft carries rotational power between gear sets to add extra speed ratios beyond the main box. It fits applications originally built around Fuller and Mack auxiliary transmissions.
Interchanges:
- Fuller A-5943
- Fuller A-6604
- Mack 3088-A5943
- Mack 3088-A6604
- 900189
Features
Auxiliary countershaft assembly construction
Sold as a complete assembly, 1 each per pack
Tech Specs
- Sell pack: 1 Each
