Reference #: GMT-2531
Model # : 21” Colchester
Serial # : 8/00773/01139
Swing over bed: 21"
Swing over cross slide: 14-1/2”
Distance between centers: 120" cc
Hole through spindle: 3-9/16”
Spindle nose, Camlock, size: D1-11
(16) Spindle speeds: 18 – 1,400 R.P.M.
Headstock and tailstock spindle center taper: #5 Morse
Tailstock spindle travel: 8-1/2”
Tailstock spindle diameter: 2-15/16”
Width of bed: 13-1/2”
Longitudinal feeds: .002 - .032 I.P.R.
Cross feeds: .001 - .016 I.P.R
Inch threads (38): 2 – 72 T.P.I.
Metric threads (40): .4 – 14 mm
Induction hardened bedways
Taper attachment
18" Diameter Sweden four-jaw chuck
15" Diameter BURNERD three-jaw chuck with removable and reversible top jaws
Steady rest 9” capacity , roller type
Threading dial
Carriage stop
Headstock adapter sleeve
(1) center
Self-contained coolant system with full length rear splash guard
12.5 H.P. 3/60/230-460 volt spindle drive motor and electrical controls
Machine is wired for 460 volt operation.
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