Stihl Ms 251 vs Echo Echo CS-501P

Engine
Engine Displacement 45.9cc 50.2cc
Power Output 2.2kW
Power Output (HP) 3hp
Cutting
Recommended Bar Length 45.7cm
Maximum Bar Length 50.8cm
Chain Pitch 0.325"
Weight
Weight (without bar and chain) 4.8kg 4.81kg
Tank
Fuel Tank Capacity 0.49l
Oil Tank Capacity 0.28l
Classification
Intended Use Heavy-duty gas chainsaw for harvesting firewood in the woods For homeowners and light duty work professional
Fuel Type 2-stroke