STIHL MS 251 Wood Boss vs STIHL MS 271 Farm Boss

Last updated: October 31, 2026

The STIHL MS 271 Farm Boss and the STIHL MS 251 Wood Boss are evenly matched, rated 3.0 and 3.0. The STIHL MS 271 Farm Boss leads on power and bar. The STIHL MS 251 Wood Boss wins on weight and value. The STIHL MS 251 Wood Boss costs $90 less ($399.99 vs $489.99).

STIHL MS 251 Wood Boss vs STIHL MS 271 Farm Boss

Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Which should you buy?

Scores side by side

Each factor is scored 0-100 against the same fixed reference points for every gas chainsaw; a clear win is highlighted. How we rank explains each one.

Factor weightSTIHL MS 271 Farm BossSTIHL MS 251 Wood Boss
Overall rating3.0/53.0/5
Value 30%33 $24.50 per inch of bar ($489.99, 20 in bar)42 $22.22 per inch of bar ($399.99, 18 in bar)
Power 25%61 50.2 cc engine42 45.6 cc engine
Weight 15%51 12.4 lb (powerhead)77 10.6 lb (powerhead)
Bar 10%100 20 in bar75 18 in bar
Warranty 20%0 1-year warranty0 1-year warranty

Specifications

STIHL MS 271 Farm BossSTIHL MS 251 Wood Boss
Cutting
Bar length20 in18 in
Chain pitch.325 in (RM3).325 in (RM3)
Tool-free chain tensionNo-
Power
Engine or battery50.2 cc, 3.5 hp45.6 cc, 3 hp
Build
Weight12.4 lb (powerhead)10.6 lb (powerhead)
Anti-vibrationYesYes
Warranty1 year1 year

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