Stihl Trimmer Head Fitment Guide
A Guide to Stihl Trimmer Heads
Choosing the right trimmer head is crucial for achieving the best performance from your Stihl equipment. With so many options available, it can be challenging to find the right fit. This guide outlines the various Stihl Trimmer Heads and specifies which heads are compatible with particular Stihl Brushcutters.
| Stihl Model | AutoCut | TrimCut | PolyCut | DuroCut |
| FR 131 T, FS-KM, FR 220, FR 410, FR 450, FR 460, FR 480, FS 55, FS 55 R, FS 56 (After 2008), FS 56 R (After 2008), FS 70, FS 70 R, FS 80 (After 1996), FS 80 R (After 1996), FS 85, FS 85 R, FS 89, FS 89 R, FS 94, FS 94 R, FS-KM | 25-2 | C26-2 | 20-2 | ||
| FR 235, FS 91, FS 91 R, FS 111, FS 111 R, FS 111 RX, FS 120, FS 120 R, FS 131, FS 131 R, FS 240, FS 240 R, FS 250, FS 260 R, FS 460 R, FSA 130, FSA 130 R, KM 131, KM 131 R, KMA 130 R, FS-KM | 25-2 | C26-2 | 36-2 | 20-2 | ||
| FS 38, FS 40 (After 2008), FS 45, FS 50 (After 2008) | C6-2 | |||
| FS 160, FS 220, FS 260, FS 280, FS 290, FS 450, FS 460, FS 490 | 46-2 | 40-4(For M12 & M14 Threads) | ||
| FS 235 | C26-2 | 36-2 | 20-2 | ||
| FS 235 R | C26-2 | 36-2 | |||
| FS 250 R | 25-2 | 36-2 | 20-2 | FS 311 | 46-2 | 47-3 (Non Gen) | 40-4 | FS 360 (After 2006), FS 400, FS 410 | 46-2 | 47-3 (Non Gen. After 1996 Only) | 40-4 |
| FS 510, FS 560 | 56-2 | 50-2 | 40-4 | |
| FSA 45 | 2-2 | |||
| FSA 56, FSA 57, FSE 52 | 2-2 | |||
| FSA 65, FSA 85 | C4-2 | |||
| FSA 90, FSA 90 R | 25-2 | 20-2 | ||
| KM 56 R, KM 85 R, KM 91 R, KM 94 R, KM 111 R | 25-2 | C26-2 | 20-2 | ||
| KM 55 R, KM 56 R, KM 85 R, KM 91 R, KM 94 R, KM 111 R, FSB-KM | C6-2 (For M14 Thread) | 11-2 (After 2008) |
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