Highlead GC20618 Series Heavy-Duty Compound Feed Lockstitch Sewing Machine

Description

Highlead GC20618 Series Heavy-Duty Compound Feed Lockstitch Sewing Machine

Industrial flatbed walking foot lockstitch machine series engineered for demanding assembly, structural seaming, and decorative topstitching across medium-heavy to heavy-weight textiles, genuine leather, and technical materials. The Highlead GC20618 Series utilizes a synchronized unison compound feed mechanism (drop feed, needle feed, and alternating walking presser feet) to grip and advance slippery, tacky, or multi-ply layers without material slippage, uneven stitch pitch, or seam puckering. Available in both single-needle (GC20618-1) and twin-needle (GC20618-2) configurations, it serves as a core production workhorse in upholstery, automotive trim, and heavy leather manufacturing facilities.

Equipped with a large vertical-axis rotary hook and high-capacity bobbin case, the series minimizes downtime spent on bobbin thread changes, particularly when running thick bonded nylon or polyester threads. A built-in safety clutch mechanism automatically disengages the hook drive if thread jams or needle collisions occur, preventing damage to the hook point and internal gearing. With high needle-bar stroke, generous presser-foot clearance, and an adjustable alternating foot stroke dial, the GC20618 climbs effortlessly over bulky cross-seams and reinforced edge transitions.

Key Features

• Heavy-duty flatbed walking foot lockstitch sewing machine series

• Unison compound feeding system (needle feed, feed dog, alternating presser feet) ensuring positive, non-slip material transport

• Available in single-needle (GC20618-1) and twin-needle (GC20618-2) variants

• Large vertical-axis rotating hook accommodating high-capacity bobbins and thick industrial threads

• Integrated safety clutch protects hook assembly and gears against jamming or accidental needle impacts

• Automatic high-volume lubrication system with oil pump delivering consistent lubrication to critical bearings

• High presser-foot lift clearance and needle-bar stroke for effortless traversal of thick, multi-ply cross-seams

• Top dial for adjusting alternating presser foot vertical stroke to optimize climbing over uneven layer transitions

• Accessible manual reverse feed lever for quick backtacking and seam locking

Specifications

• Brand: Highlead

• Series: GC20618 Series (GC20618-1 Single Needle / GC20618-2 Twin Needle)

• Machine Type: Heavy-Duty Compound Feed Flatbed Lockstitch Machine

• Stitch Type: 301 Lockstitch

• Number of Needles: 1 (GC20618-1) or 2 (GC20618-2)

• Needle Gauge (Twin-Needle): Standard 1/4″ (6.4 mm) (Optional: 1/8″, 3/16″, 5/16″, 3/8″)

• Feed System: Unison Compound Feed (Walking Foot + Needle Feed + Drop Feed)

• Bed Type: Standard Flatbed (approx. 260 mm working space right of needle)

• Maximum Stitch Length: Up to 9 mm (GC20618-1) / 9 mm (GC20618-2)

• Presser Foot Lift: Up to 8–9 mm (by hand) / 16 mm (by knee lifter)

• Needle Bar Stroke: 36 mm

• Alternating Presser Foot Movement: 2.5 mm – 6.5 mm (dial-adjustable)

• Hook Type: Large Vertical-Axis Hook (Double-Capacity Bobbin)

• Needle System: DPx17 (135×17)

• Needle Size: #18–#24 (Nm 110–180)

• Maximum Sewing Speed: Up to 2,000 stitches/min

• Safety Device: Push-Button Resetting Safety Clutch

Suitable For: Automotive Interior Upholstery • Furniture & Sofa Upholstery • Leather Car Seats & Headrests • Heavy Leather Bags & Luggage • Marine Canvas & Boat Covers • Tarpaulins & Tents • Safety Belts & Industrial Harnesses • Tactical & Military Gear • Footwear & Boot Assembly • Heavy Denim & Canvas Workwear