Bridgeport #Series-I, vertical mill, 48" x9" tbl., 2 HP, 36" X, 12" Y, 16" Z, 60-4200 RPM, R-8, 5" quill, 750 lb. table load, 1983

Knee Mill
OEM: Bridgeport
Model No.: Series 1, 2HP
Year: 1983
Electrics: 220-440 Volt, 3 Phase, 50-60 Cycle, 6.0-3.0 Amps
Main Spindle: 2 HP, 1710 RPM
Features and Specifications:
…Table Size: 48″ x 9″
…Workpiece Load: 750 lbs.
…Travels (approx.):
…..X-Axis: 36”
…..Y-Axis: 12”
…..Z-Axis: 16”
…..Quill: 5”
…..Ram: 14”
…Variable-Speed Drive:
…..Low Speed: 60 – 500 RPM
…..High Speed: 500 – 4,200 RPM
…Quill Feeds (IPR): .0015, .003, .006
…Spindle Direction Switch
…Spindle Taper: R8
…Knuckle Joint for Head Tilt F-B & L-R
…1-Shot Lube
…Tooling (see pics):
......Collets (approx. 16)
......Drill Chuck
......Tool Holder Mount
Dimensions (approx.): 60” x 60” x 87”
Weight (approx.): 2,500 lbs.
Approximate specifications and functionality history is taken from 1st-hand inspection, owner interview, manuals, and OEM research. While specifications are assumed accurate, confirmation by purchasing entity is always recommended.
Functionality Notes & History:
Just pulled from production 2 weeks ago, end of August 2026. Was under power and making parts for years; always a good runner. Had a DRO on machine that was removed for use on another machine. Owner purchased equipment from another machine shop so is rearranging, moving, and replacing units. Machine needs to be cleaned.
Unit has a 2 HP Variable Speed J-Head configuration. Has holes in spindle nose cap for easy mounting of safety guards. Hand-scraped and hand-fitted ways with hard chrome. Table is hardened and ground.
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EQUIPMENT LOCATION: Salem, OR
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