With two straight needles, self-lubricated vertical-axis rotating hook for catching thread loops and sliding bar thread take-up, the machine can produce two lines of lockstitch. Synchro feeding of needle bar and feed dog assures even stitches and prevents materials being sewn form shifting. Knobtype stitch regulator and lever type reverse feeding mechanism permit convenient operation. The arm shaft and hook shaft are supported by ball bearing. With synchro tooth belt for driving and plunger pump for lubricating, it is available for stitching shirts, uniforms, overalls, women's underwear, jeans, etc.

GC20518-M-D, GC205180B-D is designed with electronic servo motor, digital circuit control and automatic sewing modes such as auto trimming, auto needle positioning and auto stitch presetting. It features stable and efficient sewing performance.

Specifications:

Model:	GC20518-M	GC20518-M-D	GC20518-B	GC20518-B-D
Application:	Light to medium, heavy weight		Medium to heavy weight
Max. sewing speed:	4,000 rpm	4,000 rpm	3,000 rpm	3,000 rpm
Stitch length:	0 - 5 mm	0 - 5 mm	0 - 7 mm	0 - 7 mm
Needle bar stroke:	33.4 mm	33.4 mm	35 mm	35 mm
Presserfoot lift:	By hand: 7 mm By knee: 13 mm
Needle size:	DB - 5 11# - 14#		DB - 5 18# - 22#

GC1998 Series is equipped with mini powerful servo motor embodied in machine head for direct drive, offering excellent features of quick start and stop, accurate positioning, low noise, little vibration, no contamination and perfect sewing performance.

Specifications:

Model:	GC1998-MDZ	GC1998-HDZ	GC1998-BDZ
Application:	Light duty	Medium-heavy	Heady duty
Max. sewing speed:	5,000 rpm	3,000 rpm	3,000 rpm
Stitch length:	0 - 4 mm	0 - 7 mm	0 - 7 mm
Needle bar stroke:	31.8 mm	34.9 mm	34.9 mm
Presserfoot lift:	By hand: 6 mm By knee: 11 mm - 13 mm
Needle size:	DB x 1 14#	DB x 1 22#	DB x 1 22#
Rotating hook:	Standard hook	Double capacity hook
Auto reversing feeding:	Yes	Yes	Yes
Auto trimmer:	Yes	Yes	Option

This series is the latest of HIGHLEAD brand heavy duty compound feed lockstitch sewing machines, which is designed with large vertical rotating hooks for thread loop catching and sliding bars for thread up-taking. It has been sub-classed into single needles, two needle, and single needle with undertrimmer and two needles with undertrimmer. The application of needle bearings for arm shaft and hook shaft, cog belt driving, plunger pump lubrication and compound feed by needle bar, presser foot and feed doe provides this series with such splendid features as smooth running, quiet working and a long service life. It is also equipped with a safety clutch to prevent the hooks from damage by over-duty operation. So it is especially available in stitching car seat cushions, safety belts, safety air bags, tents, parachutes, etc.

• GC20618-1XB Single-needle heavy duty compound feed lockstitcher (Specially for bags).
• GC50618-1/-2 Single needle / Twin needle heavy duty compound feed lockstitcher
• GC20618-1-D/-2-D Single needle / Twin needle heavy duty compound feed lockstitcher with trimmer
• GC20618-2-DW Twin needle heavy duty compound feed lockstitcher with trimmer (Pneumatic foot lifter, Pneumatic reverse feeding)

Specifications:

Model:	GC20618-1XB	GC20618-1	GC20618-2	GC20618-1-D	GC20618-2-D	GC20618-1-DQ
Max. sewing speed:	2,000 rpm
Stitch length:	0 - 10 mm	0 - 9 mm
Needle bar stroke:	36 mm
Thread take-up stroke:	74.5 mm
Presserfoot lift:	By hand 8 mm By knee 16 mm					16mm Pneumatic
Needle size:	DP x 17 21# - 25#	DP x 17 18# - 23#

This model is derived from GC20618. The long arm flat bed gives a wider working space. The presser foot can be lifted manually or by foot treadle. The bobbin winder on top and in the middle of the machine head makes the sewing operation very easy. It features smooth machine running, low noise and machine durability, available for stitching car covers, car seats, safety belts, tents, parachutes, gliding parachutes, sails, and other large workpieces.

• GC20698-1 / -2 Single needle / twin-needle long arm heavy duty compound feed lockstitcher.
• GC20698-1-D / 2-D Single needle / twin-needle long arm heavy duty compound feed lockstitcher with auto thread trimmer.
• GC20698-1L / -2L Single needle / twin-needle long arm heavy duty compound feed lockstitcher Pneumatic footlifter.

Specifications:

Model:	GC20698-1	GC20698-1-D	GC20698-1L	GC20698-2	GC20698-2-D	GC20698-2L
Max. sewing speed:	1,800 rpm
Stitch length:	0 - 90 mm
Needle bar stroke:	36 mm
Thread take-up stroke:	74.5 mm
Presserfoot lift by hand:	8 mm		16 mm	8 mm		16mm Pneumatic
Presserfoot lift by knee:	16 mm		16mm Pneumatic	16 mm		16mm Pneumatic
Needle size:	DP x 17 18# - 23#
Needle numbers:	1			2

This machine is a new product of Highlead brand extra heavy duty lockstitch sewing machine series, which is designed with special rigid arm and wide bed for conveniently stitching large articles, large machine pulley for great puncturing power, and timely feeding with feed dog and presser foot. It is specifically available for stitching multi-layer extra heavy duty material, whether slippery or gummy. It has features of cam thread take-up and large semi-swing shuttle hook with large capacity bobbin to reduce bobbin change. It is an ideal sewing equipment for stitching safety belt, harness, leather truck, polishing wheel, tent, sail, top cover for car or book binding, etc.

Specifications:

Max. sewing speed:	700 rpm
Stitch length:	0 - 15 mm
Presserfoot lift:	By hand: 29 mm By foot: 32 mm
Needle size:	SM x 1000 27#
Thread:	0# - 00#
Lubrication:	Manual

GG80018 long arm extra heavy duty zigzag sewing machine is a new product of Highlead brand heavy duty sewing machines. It features a timing puller for strong and steady feeding of multiple plies of heavy duty material, wide working space for stitching large articles easily and a special large shuttle hook with large bobbin thread capacity for high production efficiency. It is available for sewing tent, sail, and other large heavy duty articles.

Specifications:

Max. sewing speed:	700 rpm
Max. stitch length:	10 mm (0 - 10)
Max. zigzag width:	12 mm (0- 12)
Zigzag type:	2 steps 3 steps 4 steps
Needle bar stroke:	50.8 mm
Thread take-up lever stroke:	106.8 mm
Needle size:	DY x 3 26#
Hook:	Large semi-rotating shuttle hook, KSP-204N
Presser foot lift:	20 mm (Pneumatic)
Lubrication:	Manual
Working space:	760 x 260 mm
Motor:	550W Clutch motor