Koike-Aronson AB250A Positioner

Koike-Aronson AB250A Positioner

• Model: AB250A
• Serial No. 7661
• 25,000lb load capacity @ 12” center of gravity
• Rotational Torque: 300,000in-lbs
• Variable speed rotation from 0.006 – 0.60 RPM
• 135° constant speed powered tilt
• Tilt Torque: 512,500 in-lbs
• 84” x 84” square table with 4 radial T-slots & 8-½” thru hole
• Manually adjustable height 
• Variable speed hand pendant
• Input Power: 460V, 3-Phase
• Approx. Shipping Dimensions: 141”L x 96”W x 58”H
• Approx. Shipping Weight: 15,000lbs

Product Description

This rebuilt Koike-Aronson AB250A positioner is engineered to simplify the rotation of the large and heavy weldments up to a massive 25,000lbs. Its robust design provides smooth, controlled rotation for improved weld access and consistent results. Additionally, its heavy-duty construction and variable-speed rotation help operators position large workpieces efficiently while reducing manual handling. The powered tilt function allows easy positioning for optimal welding angles, increasing productivity and operator comfort. Moreover, the table, with 4 radial T-slots & an 8-½” thru hole, offers versatility for a wide range of applications, including the use of gas purging, and makes fixturing secure. Whether you’re fabricating pressure vessels, structural components, tanks or heavy industrial equipment, the AB250A delivers dependable performance in demanding production environments. Optional accessories include variable or forward/reverse foot pedal controls.

If you have any questions about this item, call Weld Plus at (513) 941-4411. Our sales staff is available to assist with any technical questions. In addition, you can email our sales staff at sales@weldplus.com.

We encourage you to see this machine firsthand by visiting our 44,000-square-foot facility in Cincinnati, OH, today!