Main Features:
Large
S
pindle
B
ore 3-1/16"
Heavy
D
uty D1-8
S
pindle
One-
\P
iece
S
olid
C
ast
I
ron
M
achine
B
ase
Heavy
D
uty
G
uideway
W
idth 11-
13/16
"
Heavy
D
uty
M
otor 7.5HP
12
S
pindle
S
peeds from 32-2000rpm on 16", 24-1600rpm
on 18"
40
K
inds of
I
nch
T
hreads, and 41
K
inds of
M
etric
T
hreads
Threading and
F
eed
R
ate
C
hange
W
ithout
C
hanging
G
ears
Automatic
K
ick-
O
ut
L
ongitudinal
C
arriage
S
top
S
ystem
Spindle is
B
alanced,
H
ardened and
P
recision
G
round
Spindle is
S
upported at 3-
P
oint by
H
eight
P
recision
B
earings
All
G
ears and
S
hafts are
H
ardened and
P
recision
G
round
Automatic
L
ubrication
S
ystem in
H
eadstock and
F
eed
B
ox
One
Y
ear
W
arranty for
P
arts
Standard Accessories:
Taper
T
urning
A
ttachment
10" 3-
J
aw
C
huck with 1 set
R
eversible
J
aws
12" 4-
J
aw
C
huck with 1 set
R
eversible
J
aws
16"
F
ace
P
late
10"
D
rive
P
late for
T
urning
B
etween
C
enters
5 1/2"
L
arge
S
teady
R
est with
R
oller jaws
3"
F
ollow
R
est
Removable
G
ap
4-
W
ay
T
ool
P
ost
Foot
B
rake
Work
L
ight
C
oolant
S
ystem
Manual
L
ube
P
ump on
A
pron for all
G
uideways
Automatic
K
ick-
O
ut
L
ongitudinal
C
arriage
S
top
S
ystem
Full
L
ength
S
plash
G
uard
(2)
D
ead
C
enters and
R
educing
S
leeve
Thread
C
hasing
D
ial
Model GT-1640DB GT-1660DB:
Max.
S
wing
O
ver
B
ed
16”
Max.
L
ength of
W
orkpiece
40” 60”
Max.
S
wing
O
ver
C
ross
S
lide
9-7/16”
Max. Swing in
G
ap
23-7/16”
Width of Bed
11 13/16”
Effective
L
ength in
G
ap to
S
pindle
10 ¼”
Effective
L
ength in
G
ap to
C
huck
J
aws
3”
Spindle
B
ore
3-1/16”
D1-8
Taper of
S
pindle
C
enter
M.T.# 6
Spindle
S
peeds
32-2,000 rpm / 12 steps
Longitudinal
F
eeds
0.0012-0.0252 IPR, 42 kinds
Cross
F
eeds
0.0006-0.0126 IPR, 42 kinds
Inch
T
hreads
56-2 TPI, 40 kinds-
56,52,48,46,44,40,36,32,28,26,24,23,22,20,18,16,14,13,
12,
11-1/2, 11, 10, 9,8,7,6-1/2, 6, 5-3/4, 5-1/2, 5, 4-1/2,
4, 3-1/2, 3-
1/4, 3, 2-7/8, 2-3/4, 2-1/2, 2-1/4, 2
Metric
T
hreads
0.4-14 mm , 41 kinds
Module
T
hreads
0.4-7 mm, 32 kinds
Diametral
P
itch
T
hreads
32-4 DP , 32 kinds
Max.
T
ravel of
T
op
S
lide
5”
Max.
T
ravel of
C
ross
S
lide
12”
Max.
W
eight of
W
orkpiece
800 LBS
4-
W
ay
T
ool
P
ost
S
ize
1” x 1”
Longitudinal
L
eadscrew
D
iameter /
P
itch
1-1/2”, / 4 TPI
Diameter of
T
ailstock
Q
uill
2-1/8”
Max. Travel of
T
ailstock
Q
uill
4-3/4”
Taper of
T
ailstock
Q
uill
C
enter
M.T. # 4
Main
M
otor
7.5 HP, 220V/440V, 3 ph
Coolant
P
ump
M
otor
1/8 HP, 220V/440V, 3 ph,
N
e
t
W
eight, appro
x
1640
-
5,450LBS,
1660
-
6,150 LBS
Overall
D
imensions, LxWxH
16x40
88” x 41” x 48”
16x60 108” x 41” x 48”
Model GT-1860DB
Max.
S
wing over
B
ed
18”
Max.
L
ength of
W
orkpiece
60”
Max.
S
wing over
C
ross
S
lide
11-5/16”
Max. Swing in Gap
25-7/16"
Width of Bed
11 13/16”
Effective
L
ength in
G
ap to
S
pindle
10 ¼”
Effective
L
ength in
G
ap to
C
huck
J
aws
3”
Spindle
B
ore
3-1/16”, D1-8
Taper of
S
pindle
C
enter
M.T.# 6
Spindle
S
peeds
24-1,600 rpm / 12 steps
L
ongitudinal
F
eeds
0.0012-0.0252 IPR, 42 kinds
Cross
F
eeds
0.0006-0.0126 IPR, 42 kinds
Inch
T
hreads
56-2 TPI, 40 kinds-
56,52,48,46,44,40,36,32,28,26,24,23,22,20,18,16,
14,13,12, 11-1/2, 11, 10, 9,8,7,6-1/2, 6, 5-3/4, 5-1/2,
5, 4-1/2, 4, 3-1/2, 3-1/4, 3, 2-7/8, 2-3/4, 2-1/2, 2-1/4,25
Metric
T
hreads
0.4-14 mm ,
41 Kinds
Module
T
hreads
0.4-7 mm, 32 kinds
Diameteral
P
itch
T
hreads
32-4 DP , 32 kinds
Max.
T
ravel of
T
op
S
lide
5”
Max.
T
ravel of
C
ross
S
lide
12”
4-
W
ay
T
ool
P
ost
S
ize
1” x 1”
Longitudinal
L
eadscrew
D
iameter/
P
itch
1-1/2”/4
T
PI
Max.
W
eight of
W
orkpiece
800 LBS
Max.
T
ravel of
T
ailstock
Q
uill
4-3/4”
Diameter of
T
ailstock
Q
uill
2-1/8”
Taper of
T
ailstock
Q
uill
C
enter
M.T. # 4
Main
M
otor
7.5 HP, 220V/440V, 3 phase
Coolant
P
ump
M
otor
1/8 HP, 220V/440V, 3 phase
Net
W
eight,
approx 6,750 LBS
Overall
D
imensions,
LxWxH
108” x 41” x 53”
GMC GT Lathes
Modern Quick
Change Gearbox
Easy to use apron
controls for quick,
accurate
machining
operations
Quality Machine Tools
sales@machinetoolonline.com
:
Email
412-787-2876 :or call
for your immediate needs!
GT-1640 GT-1660 GT-1860
Optional Accessories:
Newall DRO 40"
B
ed
-
$1550.00
Newall DRO 60" Bed
-
$1750.00
5-C Collet Closer
-
$995.00
Micro Carriage Stop
-
$250.00
Q.C. Toolpost Set
-
$235.00
H.D. Live Center
-
$50.00