4420 Planer
4420 Feature 6
4420 Feature 5
4420 Feature 4
4420 Feature 2
4420 Feature 3
4420 Feature 1

4420 16” Planer with Helical Cutterhead

The Oliver 4420 16” Planer puts other planers in this class to shame. This full featured planer with a powerful 5HP motor and helical cutterhead gets the job done with ease. Built in table rollers reduce friction for rough stock and keep the material from hanging up. The powerful chain drive system positively feeds the material through a bullet proof 2 speed gear reduction box. Add the LCD readout for thickness, a built in mobile base and there’s really not much more to ask for.

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  • Digital Readout with Tape Backup
  • 5 Rows 4 Sided German Carbide Knife Inserts
  • Cast Iron Extension Tables
  • Built in Casters for Mobility
  • Polished Steel Rollers
  • 2-Speed Gearbox

Special Features

  1. Digital readout takes the guess work out of thickness settings.
  2. Massive cast iron extension wings to support heavy stock.
  3. Serrated steel infeed roller feeds any stock with ease. The roller is spring loaded to allow for variation in material thickness.
  4. Helical cutterhead with 4-sided carbide inserts eliminates tear-out and runs quiet.
Model No.
Stock No. (5HP, 1Ph, Helical)
Maximum Stock Width
Maximum Depth of Cut
Maximum Stock Thickness
Minimum Stock Thickness
Minimum Stock Length
Dust Port Diameter
Infeed Roller Diameter
Feed Speeds
16/20 FPM
Bed Rollers
2, Adjustable
Table Size
16” L x 20” W
Table Size w/Extension Wings
16” L x 44” W
Cutterhead Diameter
Cutterhead Speed
5,000 RPM
Number of Knives
24” x 21”
Table Support
Motor (1Ph)
5HP, 220V Only (22 AMPS)
Net Weight
602 lbs.
Gross Weight
673 lbs.