T&T: Engine loss

[Mark Richter]

<<Cause of engine loss:
 "...and the other a fried seized alternator bearing which disables the
engine
as the same belt drives raw and coolant pumps....">>

My John Deere 80hp 4039DFM came with an 80amp alternator driven by a pair of
v-belts, which also drove the coolant pump.  The raw water pump is gear
driven.  I added a second alternator on the other side, and drive each
alternator by a single v-belt.  Since each v-belt also drives the coolant
pump, there is some redundency.  Loose a belt, and you lose only one
alternator.  The coolant keeps pumping.  This was a pretty easy modification
on my engine, though not all installations will have the required room for
the extra alternator.

Mark Richter, m/v Winnie the Pooh, Ortona, FL