Where to buy
Engines using TB21
2Generator sets using TB21
5Cummins/Onan A15Cummins/Onan MDGDBCummins/Onan GGDBCummins/Onan DGAECummins/Onan WF series
Voltage regulator · terminal board with jumper W12 which connects a single phase output from the generator to the appropriate tap on the voltage reference transformer · qty 1 — part number TB21. Used by the engines and generator sets below.