LS3667612HM Heavy Duty Long Arm Zigzag Sewing Machine China Suppliers Factory

Looking for reliable China suppliers? Our factory provides the LS366-76-12HM long arm and high arm sewing machine with 760mm reach and 273mm height. Engineered for heavy canvas and sails, this powerful machine supports optional pullers for handling massive materials with ease.

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The LS366-76-12HM is a premium heavy-duty long arm and high arm zigzag sewing machine specifically engineered for the demanding requirements of the sail-making and industrial tent industries. Featuring an extended 760mm arm and an increased height of 273mm, this powerhouse provides unparalleled working space for handling massive pieces of heavy canvas and reinforced technical fabrics.

Equipped with a high-capacity Adler 204 big shuttle hook and versatile pattern wheels, the LS366-76-12HM effortlessly executes straight lines as well as 2, 3, and 4-step zigzag stitches. Whether you are working with 1.4mm hollow threads or upholstery-grade materials, this machine delivers industrial-strength penetration and precision, supported by pneumatic foot lift and reverse sewing for maximum operational efficiency.

Detailed Parameters

Model	LS366-76-12HM	Max Sewing Speed	700 r.p.m
Max Stitch Length	10mm	Max Zigzag Width	14mm
Zigzag Steps	2, 3, 4 steps	Presser Foot Lift	By hand / By knee (20mm)
Shuttle Hook	KSP-204 (Big Shuttle)	Needle Type	DYx3 27#
Working Space	760mm (L) x 273mm (H)	Lubrication	Manual

Key Advantages

Heavy-Duty Penetration

Engineered for hard materials, it handles thick threads like V462 and 1.4mm hollow thread with ease.

High Efficiency Hook

The Adler 204 big shuttle hook increases bobbin capacity, significantly reducing downtime for refills.

Versatile Stitching

Switch between straight lock-stitch and 2, 3, or 4-step zigzags using specialized pattern wheels.

Extended Work Area

Long arm (760mm) and High arm (273mm) design allows for sewing oversized industrial products.

Pneumatic Automation

Standard pneumatic foot lift and reverse sewing ensure smooth operation and reduced operator fatigue.

Powerful Puller Option

Optional pneumatic puller effortlessly moves hundreds of square meters of heavy canvas.

Product Gallery

Management Platforms

Material Compatibility

Optimized for heavy canvas, leather, and synthetic sail cloth.

Motor Flexibility

Supports both 380V clutch motors and precision servo motors.

Precision Control

Servo motor options include needle position fixed-up functionality.

Heavy-Duty Threading

Compatible with V415, T-500, and thick upholstery threads.

Industrial Design

Built for long-term durability in high-intensity manufacturing environments.

Ergonomic Lift

Pneumatic presser foot lift for effortless handling of thick stacks.

Investment Return Comparison

Feature	Standard Zigzag Machine	LS366-76-12HM
Arm Length	Standard (Short)	Extra Long (760mm)
Material Capacity	Medium/Heavy	Ultra-Heavy / Hard
Stitch Variety	Limited Zigzag	2, 3, 4 Steps + Straight
Hook Capacity	Small/Medium	Big Shuttle (Adler 204)
Productivity	Manual Feeding	Pneumatic Puller Assisted

Frequently Asked Questions

Q: What makes the LS366-76-12HM suitable for sail making?

Its combination of a long arm (760mm), high arm (273mm), and the ability to sew heavy-duty zigzag stitches makes it ideal for the large-scale and thick materials used in sails.

Q: Can this machine handle very thick threads?

Yes, it is specifically designed for thick threads including 1500dx3, V415, V462, T-500, and 1.4mm hollow or flat upholstery threads.

Q: What are the advantages of the Adler 204 big shuttle hook?

The big shuttle hook increases the bobbin thread capacity, which means fewer thread changes and higher overall working efficiency during long production runs.

Q: Is the puller included as a standard feature?

The puller is an optional addition. When added, it features a pneumatic lift to help move hundreds of square meters of heavy canvas with ease.

Q: Which motor is recommended for this machine?

We offer both 380V 3-phase clutch motors for raw power and servo motors for precision, including options for fixed needle positioning.

Q: What types of zigzag stitches can be performed?

By utilizing the four different pattern wheels, the machine can perform straight lock-stitch sewing as well as 2-step, 3-step, and 4-step zigzag patterns.

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