- Heavy-duty construction. Engineered and designed for heavy industrial and harsh field applications for high-deposition circumferential and flat welding - On-board wire feed mechanics, single or dual wire feed system, up to 30-lb. spools - Digital encoder feedback on all functions - Water-cooled main housing - Ideal for large-diameter, heavy-wall GTAW| applications - Exclusive, zero-backlash gear drive (no friction drives) for positive, consistent travel speeds (uphill or downhill) in all positions - Extremely quick mount/dismount - Cross-seam steering - Synchronized torch oscillation, AVC, rotation and wire feed (AVC/OSC 4" Standard) - Compatible with the Model 415 Power Supply - Compatible with many AMI torch assemblies, including video-equipped torches