Shibaura ST450 Operator's Manual page 77

2. Next, Place a suitable container below the oil
filter (1) in Figure 3-6, to catch the used oil
and unscrew the oil filter. Discard the used oil
and filter.
3. Coat the gasket on the new filter with a thin
film of new oil. Screw the filter into place until
the gasket contacts its mating surface, then
turn the filter approximately three-quarters of
a turn BY HAND. DO NOT over tighten.
4. Add the proper type and amount of new oil,
then start the engine and check the filter for
leaks. The crankcase capacity (with filter) on
these tractor models is 6.0L.
NOTE: Your tractor is originally shipped with
10W-30 engine oil.
SECTION 3 – LUBRICATION AND MAINTENANCE
3-7
Figure 3-6