Length of knives 12' 4" Blade size 1" X4" Distance between housings 12' 3" Gap 18" Rake angle 1/4" Number of holddowns 13 Holddown to knife edge 5/8" Distance under holddown 1/2" Floor to top of bed 32-1/2" 6" in Floor Motor 10 HP / 1770 RPM Volts 230 /3Phase Approximate dimensions 15' 2" LR x 78" FB x 78" High Approximate weight 22,000 lbs. 24" rear manual operated back gauge (2) Support arms In my shop and can be seen under power