The type of service and the operating conditions will determine the maintenance interval. However, as
stated above, it is recommended that the oil level be checked daily; at the same time checking for oil leaks.
Because the hydraulic system is the heart of the transmission, it is especially important that the oil be kept
When draining for an oil change, the Revers-O-Matic and ALL variable speed transmissions must be
drained separately. In all the drain plugs are located on the side opposite the fill; that is, the left hand side.
ANY REFERENCE AS TO THE LEFT OR RIGHT HAND SIDE OF THE MODEL
1213704NO IS MADE FROM THE REAR OF THE UNIT LOOKING FORWARD TOWARD
When servicing the unit for the first time after vehicle installation and/or after overhaul, or the regular oil
change, fill as follows:
On units with 4-speed transmission, add 12 (9 if refill) quarts.
Lubricant Grade: Temperature Information.
If fluid is below 10F (-23C), an external heat source must be used to raise the fluid
temperature to -10F.
USE AUTOMATIC TRANSMISSION FLUID TYPE MIL-L-2104
Start engine and run at idle speed for two (2) minutes with unit in neutral. This is to let the hydraulic
Stop engine and add automatic transmission fluid to the shuttle transmission to bring the oil level to the
full mark on dipstick, or until oil starts to drip out opened drain cock. This will generally take
approximately three (3) quarts providing the unit was completely drained.
Start engine and run at idle speed for two minutes with unit in neutral. Stop engine and check oil level