Powermatic PM1-478 20-Inch Helical Cutterhead Planer, 5 HP, 1PH, 230V (209BHH)

Surface full-width panels - 20" × 8" capacity. 68-insert helical head - smoother every pass. Built-in DRO. Exact thickness, every operator. 5 HP surfaces wide, dense stock without slowing Product Details The Powermatic 209BHH is a 20-inch stationary thickness planer engineered for woodworking shops and cabinet operations that demand greater capacity and cutting power. Driven by a 5 HP, 230V, single-phase motor, the 209BHH (model PM1-478) processes wide panels and dense hardwoods with a 20-inch cutting width and an 8-inch maximum board thickness capacity — providing the ability to handle stock that a 15-inch class machine cannot. Its four-row helical cutterhead carries 68 four-sided carbide inserts spinning at 5,200 RPM, delivering a smooth, low-tearout surface finish with reduced operating noise and extended insert life compared to straight-knife configurations; inserts are individually accessible for rotation or replacement, reducing service time and keeping the machine productive. A built-in digital readout (DRO) ensures exact, repeatable thickness control, and two feed speeds — 16 FPM for fine finishing and 28 FPM for rapid stock removal — allow operators to optimize between surface quality and throughput. Solid cast iron infeed and outfeed tables provide a combined 51-1/2-inch table surface for stability and vibration damping when handling large workpieces. A 4-inch bi-directional dust port manages chip evacuation at a minimum 900 CFM, and the upgraded caster locking and braking system with oversized emergency stop reinforce safe, confident operation. The Powermatic 209BHH replaces the 209HH and is backed by a 5-year warranty. Features Four-row helical cutterhead with carbide inserts delivers a smoother finish, operates more quietly, and outlasts straight-knife heads with individual insert rotation for fast, low-cost maintenance. Built-in digital readout displays exact board thickness in real time, enabling precise, repeatable settings that hold across operators and multiple passes without re-measuring. Solid cast iron infeed and outfeed tables resist flex and damp vibration, keeping long boards supported and the cutting surface consistent from end to end. Selectable 16 and 28 FPM feed rates let operators choose between a refined finish pass and aggressive stock removal without any tooling changes. 4-inch bi-directional dust port connects from either side for flexible placement in the shop. Upgraded caster locking and braking system provides rolling mobility for repositioning while securing the machine firmly in place during cuts. Enlarged, high-visibility emergency stop is positioned for immediate access, reducing operator response time and improving overall shop safety. Specifications SKU PM1-478 Coating None Cutterhead Diameter 3-1/4" Cutterhead Speed (RPM) 5200 RPM Digital Readout Yes Dust Port Outside Diameter (in.) 4 in. Feed Rate 16/28 FPM Gross Weight 704 lbs. Input Power 230V Single Phase Knife Size 0.59 in. x 0.59 in. x 0.10 in. Max. Board Thickness 8 in. Maximum Full Width Depth of Cut 3/32 in. Model Number 209BHH Motor Amps 20 Motor HP 5 Motor Phase Single Net weight 606 lbs. Number of Knives 68 Number of Speeds 2 Prewired Voltage 230 Product Type Machines Prop 65 Cancer and Reproductive Harm Recommended Circut Size Amp 40 Required Cfm 900 Style Type Floor Standing Table Height Manually Adjusted Table Material Cast Iron Table Size (in.) 51.5 in. x 33.5 in. Type of Cutterhead Helical Head UPC 019907006046 Warranty 5 Year