This video shows how to upgrade the hydraulic pump on a Harbor Freight towable backhoe trencher, allowing for faster movements. The stock pump is 2.7cc and the upgraded pump is 4.1cc and made by Salami.
Details on products used below.
Pump
Salami Hydraulic Gear Pump
- Model:
1.6PB4.1D-R080S0 - Alternative model:
1.5PE4.1D-R80S0
(The 1.6 was superseded by 1.5. Both have identical mounts and port locations, but there are some cosmetic differences.)
Hose adapters
Outlet hose adapter: 6MB-6FP Purchase link...
Inlet hose adapter: 8MB-8FP Purchase link...
A small commission may be earned for any products purchased through links on this site. Thank you for your support!