390XP with modified combustion chamber, duel port exhaust, mid-tuned (in between rev-tuned & torque-tuned) for power and chain speed. Shown sawing on a nearly cured madrone (hardwood). Using the same 32" bar, chain, and 7 tooth sprocket in the other videos. This saw has cut many millons of board feet.
timber, felling, falling, redwood, cutting, oldgrowth, hotsaws, muffler, mods, 390, Husqvarna, hardwood