Model: HSTP250 HSTP150 Diameter of log 50-250mm 30-160mm Min Length of log 600mm 600mm Max tortuosity of log 10% 10% Max Crotch 10% 10% Knife rotary speed 326r/min 326r/min Quantity of knife 4 4 Capacity 7m/min 12m/min Debark rate 98% 98% Motor power 7.7KW 6.2kw EXW price 3658USD 3120USD.