 
	 
	 
	 
	 
	 
	| GMC LATHE | Specifications | 
| Model | GT-3280 , GT-32120 | 
| Size | 32" x 80" , 32" x 120" | 
| Swing over bed | 32" | 
| Distance between centers | 80" , 120" | 
| Max swing over cross-slide | 22-1/16" | 
| Max swing in gap | 39-1/2" | 
| Width of bed | 20-1/2" | 
| Effective length in gap to spindle | 10" | 
| Effective length in gap to chuck jaws | 7" | 
| Spindle hole dia. | 4-1/8" | 
| Spindle mount | |
| Taper of spindle center | MT # 6 | 
| Spindle speeds ( 12 ) | 30 - 1400 RPM | 
| Longitudinal feeds | 0.0023 - 0.93 IPR, 65 kinds | 
| Cross feeds | 0.0011 - 0.04 IPR, 65 kinds | 
| Threads | Details | 
| Inch threads | 28 - 2 TPI 27 kinds | 
| Metric threads | 1 - 14 mm , 22 kinds | 
| Diamentral pitch threads | 56 - 4 DP , 24 kinds | 
| Module threads | 0.5 - 7 MM , 18 kinds | 
| Carriage | Details | 
| Maximum travel of top slide | 5-3/4" | 
| Maximum travel of cross-slide | 17" | 
| Longitudinal rapid traverse | 18 ft / Min | 
| Cross rapid traverse | 8 ft / Min | 
| Tailstock | Details | 
| Diameter of tailstock quill | 3" | 
| Maximum travel of tailstock quill | 6" | 
| Taper of tailstock quill center | M.T. # 5 | 
| Max. weight of workpiece | 2800 lbs | 
| Motors | Details | 
| Main motor ( Pre-wired 220 V / 3 ) | 15 HP, 220/440 V, 3 phase | 
| Rapid traverse motor | 1/3 HP, 220/440 V, 3 phase | 
| Coolant pump motor Pre-wired 220 Volt / 3 ) | 1/8 HP, 220/440 V, 3 phase | 
| Machine net weight | Details | 
| GT-3280 | 9,350 lbs | 
| GT-32120 | 9,850 lbs | 
| Overall dimensions | Details | 
| GT-3280 L x W x H | 142" x 46" x 68" | 
| GT-32120 L x W x H | 182" x 46" x 68" | 
 
	Standard Equipment included 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 â?? 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 
