Ultimate Big Dawg 139 Replacement Drive assembly Written by Mark Payne on March 18, 2020. Posted in $85.00 Quantity Add to cart Categories: Clutch/Drive Assemblies, Parts Additional information Additional information Weight 5 lbs Related products Hitachi Big Dawg 139 Conversion Kit $175.00 Add to cart Starter drive assembly $50.00 Add to cart Ultimate Big Dawg 168 Replacement Drive Assembly $125.00 Add to cart Heavy duty starter drive assembly for a standard Big Dawg 139 $65.00 Add to cart