Stihl 4140 · Section N · 13 of 15 · 17 parts
Gear head
Fits MM 55, MM 55 C.
Parts (17)
| Pos | Part number | Description | Qty |
|---|---|---|---|
| 1 | not sold separately | Gear housing not available as a separate item | 1 |
| 2 | 4601 641 0301 NLA | Gear housing | 1 |
| 3 | 9503 003 8130 | Grooved ball bearing 6301-2RS | 1 |
| 4 | 4601 640 7100 | Worm | 1 |
| 5 | 9503 003 5360 | Grooved ball bearing 6003-2Z | 2 |
| 6 | 9630 003 1747 | Oil seal 17x30x7 | 2 |
| 7 | not sold separately | Gear housing not available as a separate item | 1 |
| 8 | 4601 641 0300 NLA | Gear housing | 1 |
| 9 | 4601 642 8700 NLA | Thrust washer | 2 |
| 10 | 9503 003 5151 | Grooved ball bearing 6001-2Z | 1 |
| 11 | 9075 478 4115 | Pan head self-tapping screw IS-D5x16 | 6 |
| 12 | 9022 341 1300 | Spline screw IS-M6x20 | 2 |
| 13 | 9340 003 0320 | Spring clip 4 | 2 |
| 14 | 0781 120 1004 | Gear lubricant 40 g option | 1 |
| 15 | 0783 830 2000 | Tube of sealant Dirko HT red option | 1 |
| Not numbered on the diagram — assemblies, kits and options | |||
| — | 4601 640 0101 | Gearhead | 1 |
| — | 4601 640 0500 | Gear housing | 1 |
2012 service parts catalogue. Parts are not interchangeable across engine series — check yours before ordering. NLA = withdrawn by STIHL before 2012.
Wrong number or missing part for the MM 55, MM 55 C? Report a correction →