with Jatco JR403E Transmissions and Aisin 450-43LE
Transmissions
UD Trucks
1988 thru 1998 used the Jatco
JR403 automatic 4 speed transmission.
1999 and up used the Aisin
450-43LE transmission which is
a 4 speed automatic. Please be sure of
what year your truck is
and what year and model
transmission you have for
proper diagnostics.
Other model
UD trucks use
Allison Transmissions.
please see our
Allison page for information
regarding these
transmissions.
