John Deere 318 - Manual (Page 99)

NOTE: Early models have FLAT thrust washers. Later
models have TABBED thrust washers. All service
or replacement thrust washers will have the tabs.
IMPORTANT: It is recommended to replace the early
model (flat) thrust washers with the
later model (tabbed) thrust washers.
The early model washers may spin with
their respective shafts, causing wear to
the cover bearing surfaces.
3. Remove three thrust washers (A).
One-Speed Differential
Two-Speed Differential
M36168
-UN
-29AUG88
M36228
-UN
-22NOV89
4. Remove differential; if equipped with differential lock,
remove shift rod assembly with differential.
Without Differential Lock
With Differential Lock
M36170
-UN
-22NOV89
M36169
-UN
-29AUG88
MX,15905015,3 -19-23FEB95
MX,15905015,4 -19-23FEB95
Differential/Disassemble and Inspect
TM1590 (17MAY95)
50-15-3
316, 318 & 420 Lawn and Garden Tractors
020895
50
15
3