Norfield 4000 Automatic Prehung Door System


The 4000 is a workhorse prehung door line.  This system is complete: 4200 Door Loader, 4000 Automatic Prehung Door Machine, 4100 Automatic Door Frame Assembly Machine.  The 4000 is well suited for 50-250 doors/day.  This machine is currently in operation and ready to produce doors in a new home.  Field service and (most) parts available from Norfield.


When purchasing any used machine, consult your doorshop sales person about OEM technical support.

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Listing NumberNF10376
Manufactured Date1986

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  • Bottom-up clamping system, which accommodates both interior and exterior doors
  • Underside lock drilling enables exit cut viewing for quality control
  • Superior dust collecting system
  • Chip breaker to achieve crisp clean hinge mortising
  • Automatic lock, latch and faceplate machining
  • Industrial-grade material and parts for longevity


Door Width1’6”3’6”
Door Height6'6"7'0"
Door Thickness1-3/8"1-3/4"
Jamb Width2-1/2"10-1/2"
Jamb Height6'6"7'0"
Jamb Thickness1/2"1-1/2"
Hinge Size3-1/2"4" std
Hinge Radius-5/8" only
Lock Backsets2-3/8"2-3/4"
Faceplate Width1-1/8" x 2-3/4"
Approx. Shipping Weight3,000 lbs
Floor Space6'6"W x 9'L x 6' H
Electrical230V 1 PH
208/230V 3PH
Air15CFM @ 90PSI