Technical Sales 1–800–458–3687

GMC GT-3280/GT-32120 Heavy Duty Precisio

Machine Standard Features and Equipment:

  • ISO 9001 certified
  • Large spindle bore 4-1/8 inch
  • Adjustable mechanical spindle clutch for spindle start Forward/reverse and brake,spindle brake without stop the spindle motor to longer motor 8 times life than most other Brand lathe with electrical start/stop.
  • 4-way rapid traverse on Longitudinal and cross ways
  • All dual inch/metric dials. 
  • Solid cast iron machine base
  • Heavy Duty guideway width 20-1/2 inch
  • Heavy Duty main motor 15 HP
  • 12 spindle speeds from 30-1,400 rpm
  • Oil pump on apron for all ways and leadscrews
  • Threading and feeding rate change without changing gears
  • Spindle is balanced, hardened and precision ground
  • Spindle is supported at 3-point by high precision bearings  
  • All gears and shafts are hardened and precision ground
  • Guideways induction hardened and precision ground
  • Automatic lubrication system in headstock and feed box
  • One year warranty for parts

Standard Equipment (free) for GMC Heavy Duty Lathes Model # GT-3280 and GT-32120:

  • Free Taper turning attachment, , installed
  • Automatic longitudinal kick-out carriage stop system for GT-3280 only
  • 16 inch 3-jaw chuck with top reversible jaws
  • 20 inch 4-jaw chuck with top reversible jaws
  • 25 inch Face plate
  • 10 inch drive plate
  • 6-3/4 - 12-1/2 inch large steady rest with roller jaws
  • 1-3 inch follow rest
  • Removable gap
  • 4-way tools post
  • Foot brake
  • Halogen Work light
  • Coolant system
  • Oil pump on apron for lubrication to all ways and leadscrews
  • Full length rear splash for GT-3280 only 
  • Section splash guard on Apron for GT-32120 only   
  • (2) dead centers and (1) reducing sleeve
  • Thread chasing dial
  • Tool box
Specifications
Model GT-3280 GT-32120
Max. swing over bed 32 inch
Max. length of workpiece 80 inch 120 inch
Max. swing over cross slide 22-1/16 inch
Max. Swing in gap 39-1/2 inch
Width of Bed 20-1/2 inch
Effective length in gap to spindle 10 inch
Effective length in gap to chuck jaws 7 inch
Spindle bore 4-1/8 inch
Taper of spindle center MT6
Spindle speeds 30-1,400 rpm / 12 steps
Longitudinal feeds 0.0023-0.093 IPR, 65 kinds
Cross feeds 0.0011-0.04 IPR, 65 kinds
Inch threads 28-2  TPI, 27 kinds 28,14,7,3-1/2, 27, 24, 12, 6, 3, 22, 11, 5-1/2, 2-3/4, 20, 10, 5, 2-1/2, 18,9,4-1/2, 2-1/4, 16, 8, 4, 2, 11-1/2, 19
Metric threads 1-14 mm , 22 kinds
Module threads 0.5-7 mm, 18 kinds
Diameter pitch threads 56-4 DP , 24 kinds
Max. travel of top slide 5-3/4 inch
Max. travel of cross slide 17 inch
Longitudinal rapid traverse 18 ft / min.
Cross rapid traverse 8 ft / min.
Diameter of tailstock quill 3 inch
Max. travel of tailstock quill 6 inch
Taper of tailstock quill center M.T. # 5
Max. weight of workpiece 2,800 LBS
4-way tool post size 1 x 1 inch
Longitudinal leadscrew diameter / pitch Dia. 3 inch Pitch 2 TPI
Main Motor 15 HP, 220V/440V, 3 phase, prewired on 220V
Rapid traverse motor 1/3 HP, 220V/440V, 3 phase, prewired on 220V
Coolant pump motor 1/8 HP,220V/440V, 3 phase, prewired on 220V
Net weight, approx. 9,350 LBS 9,850 LBS
Overall dimensions, LxWxH 142 x 46 x 68 inch 182 x 46 x 68 inch

One year warranty for parts

Optional Equipment for GMC Heavy Duty Lathes

  • Leveling pad
  • DRO for #GT-32120, NEWALL # NW18120, 2 axis, free install
  • DRO for #GT-3280, NEWALL # NW1880, 2 axis, free install
  • 3/4-5 inch steady rest with brass tips
  • 5-C Hand lever type collet closer # 5C, JFK USA, free install
  • 33 pc 5C collet set, from 1/16 to 1-1/16 inch by 32ndth, # 900-0014
  • Taper turning attachment, free installation
  • Live center for tailstock MT# 5, part# 900-0050-05
  • 5pc Indexable carbide turning set # 2003-0005
  • 3/8 inch carbide insert # 2003-0014

GMC-Banner-Dealers

GT-3280
DISCONTINUED - CALL 800-458-3687 X1 FOR ANY EQUIVALENT THAT MIGHT BE AVAILABLE
Mfg. item #: GT-3280
GMCGT-3280
Call for freight quote on this item or we will confirm freight charges before shipping.1
Call for Price

349
GT-32120
DISCONTINUED - CALL 800-458-3687 X1 FOR ANY EQUIVALENT THAT MIGHT BE AVAILABLE
Mfg. item #: GT-32120
GMCGT-32120
Call for freight quote on this item or we will confirm freight charges before shipping.1
Call for Price

349
Call for price. GMCNW18120
Call for price. GMCNW1880
Call for price. GMC5C
900-0014
33 PC 5C COLLET SET, FROM 1/16 TOO 1-1/16 BY 32ND
Mfg. item #: 900-0014
GMC900-0014
FREE shipping ONLY when ordered with a machine from this manufacturer otherwise Ground UPS Will Be Added at Order Entry.20
$395.00

77
900-0050-05
live center, MT 5
Mfg. item #: 900-0050-05
GMC900-0050-05
FREE shipping ONLY when ordered with a machine from this manufacturer otherwise Ground UPS Will Be Added at Order Entry.20
$152.00

4206
2003-0005
5PC CARBIDE TRUNING SET FOR GT-2060/2080/GT-26120
Mfg. item #: 2003-0005
GMC2003-0005
FREE shipping ONLY when ordered with a machine from this manufacturer otherwise Ground UPS Will Be Added at Order Entry.20
$112.00

4206
2003-0014
3/8? CARBIDE INSERT >>> FREE FREIGHT ON THIS ITEM ONLY WHEN ORDERED WITH A GMC GAP BED LATHE-OTHERWISE SEE UPS CHART - (PC031610)
Mfg. item #: 2003-0014
GMC2003-0014
FREE shipping ONLY when ordered with a machine from this manufacturer otherwise Ground UPS Will Be Added at Order Entry.20
$6.00

4206
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