Stihl MS 391 vs Stihl MS 151 T C-E

Stihl MS 391

Stihl / Gas

Stihl MS 391

60cc class

~$840

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Stihl MS 151 T C-E

Stihl / Gas

Stihl MS 151 T C-E

30cc class

~$850

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The Stihl MS 391 costs about $10 less; the Stihl MS 391 sits a class up (60cc class); the Stihl MS 391 has more engine (64.1cc); the Stihl MS 391 swings a longer bar (18 in).

SpecStihl MS 391Stihl MS 151 T C-E
Approx. price~$840with 18" bar and chain~$850with 10" bar and chain
Engine class60cc classby displacement30cc classby displacement
Power typeGasGas
Use caseFarm & RanchArborist
Engine64.1 cc23.6 cc
Rated power3.3 kW1.1 kW
Bar length18 in10 in
Single-pass cutabout 16 inabout 8 in
Bar range16-25 in10-12 in
Chain3/8" pitch / .050" gauge (33 RS3)1/4" pitch / .043" gauge (71 PM3)
Weight13.8 lbpowerhead only, without fuel (16.7 lb with the 18" bar and chain)6.1 lbpowerhead only, without fuel (6.9 lb with the 10" bar and chain)
Warranty1-year consumer / 3-month professional (Stihl policy effective Jan 1, 2026)3-month professional use only — Stihl grants no consumer warranty on MS-T top-handle saws

Tinted cells mark the better figure on that row alone: more engine, longer bar, lighter, cheaper. A lighter weight is only a win on the same basis.

What owners like and complain about

Stihl MS 391

  • Biggest engine in Stihl's farm range — 3.3 kW handles a 25" bar and large-diameter felling
  • Owners report ten-year service lives in homeowner use
  • IntelliCarb and pre-separation filtration hold mixture steady as the filter loads
  • Bumper spikes, side-access tensioner and toolless caps — easy to work around in the field
  • About $270 less than an MS 362 C-M while out-displacing it
  • Glued transfer-port covers are a documented long-term air-leak path, and owners report piston destruction when one lets go
  • 13.8 lb powerhead — heavier than the pro MS 362 C-M, which makes more power
  • Long-term users describe it as awkward to work on compared with the pro chassis saws
  • Does not hold up under commercial use; owners who cut for pay move to the 362 or 400
  • No M-Tronic at $840

Stihl MS 151 T C-E

  • 6.1 lb powerhead — the lightest gas chainsaw Stihl sells, and climbers say the fatigue difference over a day is obvious
  • 1/4" .043" PM3 chain gives a precise, clean cut face on small limbs
  • Easy2Start recoil matters more here than anywhere: one-hand-awkward starts on a rope get easier
  • IntelliCarb holds the mixture as the filter loads with sawdust in-canopy
  • $850 for a 23.6cc saw — priced as a professional tool, not a small saw
  • No consumer warranty at all: Stihl's 2026 policy gives MS-T top-handle saws 3 months, professional use only
  • Not sold or delivered in California
  • Top-handle saws are for trained climbers; ground use one-handed is how people get hurt
  • 10-inch bar and 1.1 kW cap it at light pruning — it is not a backup felling saw