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

GT-3280
DISCONTINUED WITH NO SUBSTITUTES
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

3
GT-32120
DISCONTINUED WITH NO SUBSTITUTES
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

3
Call for price. GMCNW18120
Call for price. GMCNW1880
Call for price. GMC5C
900-0014
Mfg. item #: 900-0014
GMC900-0014
FREE shipping when ordered with a machine from this manufacturer.20
$395.00

3
900-0050-05
live center, MT 5
Mfg. item #: 900-0050-05
GMC900-0050-05
FREE shipping when ordered with a machine from this manufacturer.20
$152.00

3740
2003-0005
5PC CARBIDE TRUNING SET FOR GT-2060/2080/GT-26120
Mfg. item #: 2003-0005
GMC2003-0005
FREE shipping when ordered with a machine from this manufacturer.20
$112.00

3740
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 when ordered with a machine from this manufacturer.20
$6.00

3740
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