Norfield 4000 Automatic Prehung Door Line


Produce 100-300 6’8” prehungs/day with this complete prehung door system which includes 4200 Loader, 4000 Auto Door Machine, and 4100 Auto Assembly Machine.  This line is in great shape and currently in use.  The 4200 lifts and feeds the door, the 4000 automatically mortises all three hinges (in about 8 seconds) and preps the door for lock, and the 4100 automatically clamps and staples together the door frame.  View a demo video on  Fully supported with parts and field service from Norfield. 


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

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Listing NumberNF10353
Manufactured Date2006
Serial numberLM4306, MC4113, AS4618

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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