The Byrd Shelix helical cutterhead and insert knives provide a smoother quieter cut and a finer finish than conventional or spiral knife systems 5 HP TEFC motor 20 in. planing capacity Fully enclosed base cabinet with integrated casters Cast-iron table with extensions creates a big 55-1/2 in. x 20 in. working area Four speeds: 24 and 31 FPM and 16 and 20 FPM with gear change Feed rollers and cutterhead supported by full cast-iron head assembly