STIHL MS 251 Chainsaw

MS 251


Mid Grade

Gas Powered

Displacement: 45.6 cc

Power: 3.0 bhp

Powerhead Dry Weight: 11.0 lbs

Fuel Capacity: 13.2 oz

Bar length: 18"

Max bar length: 18"

Chain: 325 M3

Chain Oil Capacity: 6.7oz

Pre-Sepration Air Filtration System

STIHL recommends #3695 (23 RM3 68) OILOMATIC® saw chain and 18" 3005 810 7017 ROLLOMATIC® E guide bar combination

Learn More About This Family of Products



The STIHL MS 251 WOOD BOSS® Chainsaw is designed to deliver all the power you’d expect from STIHL equipment, yet with a comfortable and ergonomic design. The MS 251 WOOD BOSS® is perfect for felling small trees, pruning and thinning, and cutting firewood simply and efficiently. And with up to 20 percent fuel savings and 50 percent reduced emissions (as compared to previous models), you can enjoy a longer run time while feeling good about your impact on the environment. Features like a Master Control Lever™ and reduced vibration make the STIHL MS 251 WOOD BOSS® a lean, easy-to-use machine that still packs plenty of power.