Adler Double-Needle Long Arm

Arm Clearance: 30 inches (approximately 760mm), providing ample space for bulky or wide rolls of material.
Needle System: 7×23 (equivalent to system 1000 or 1000H).
Needle Gauge: 3/8″ (9.5mm), which is the factory-set distance between the two needles.
Feed Mechanism: Triple feed (walking foot, needle feed, and drop feed) ensures consistent movement of heavy or multi-layered fabrics without shifting.
Hooks: Features extra-large vertical axis hooks (triple capacity) to accommodate thick industrial threads and reduce bobbin change frequency.
Stitch Length: Adjustable up to 10mm.
Presser Foot Lift: High-clearance lift (often up to 20mm) to handle extremely thick material stacks.
Speed: Maximum sewing speed typically ranges around 900–1,100 stitches per minute depending on the specific subclass.

Automotive/Marine: Large seat covers, convertible tops, and boat upholstery.
Industrial: Tents, awnings, sails, and pool covers.
Leather Work: Saddlery, heavy bags, and furniture upholstery.

Thread Type: Optimized for heavy synthetic threads (typically sizes #138 to #277).
Parts Availability: As a legacy German-engineered machine (Durkopp Adler), parts like bobbins, needle plates, and feet are widely available through industrial suppliers.
Motor: Usually paired with a high-torque electronic servo motor to allow for precise stitch-by-stitch control on heavy assemblies. we can upgrade to a 1000 Watt servo motor for $695.00.

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The Adler 220 30″ (76cm) Long Arm is a heavy-duty industrial sewing machine designed for large-scale projects and thick materials. This twin-needle walking foot model is frequently used for automotive upholstery, marine covers, tarpaulins, and heavy leather goods.