Stihl Ms 251 vs Echo Echo CS-400

Engine
Engine Displacement 45.9cc 41.6cc
Power Output 2.2kW
Power Output (HP) 3hp
Cutting
Recommended Bar Length 45.7cm 45.72cm
Chain Pitch 0.325"
Weight
Weight (without bar and chain) 4.8kg 4.26kg
Tank
Fuel Tank Capacity 0.349l
Oil Tank Capacity 0.231l
Classification
Intended Use Heavy-duty gas chainsaw for harvesting firewood in the woods For homeowners and light duty work homeowner
Fuel Type 2-stroke