... 3.Tool-less chain tension 4.105cc, 4.8 kw engine 105CC POWERFUL CHAIN SAW for HUGE BIG TREES! NT10500 is ... the most demanding conditions a logger may face. Specification of NT10500 saw for trees : Engine specificationEngine TypeSingle Cylinder, Two-Stroke, Air-cooling ... length36"Optional bar length, min-max28"-36"Chain Oregon/StihlPacking Engine N.W./G.W10.5/12.5kgEngine Packing Dimension558x 380 ...