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Lincoln LT-7 Tractor Submerged Arc Welder

SKU: U395-1
$17,599.00 $24,577.28
Financing / Leasing Available

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Overview

The Lincoln Electric Lincoln LT-7 Tractor Submerged Arc Welder is an automated submerged arc welding (SAW) tractor designed for high-deposition, high-quality welding on long seams, pressure vessels, structural shapes, and heavy plate in industrial manufacturing environments. Operating on a track system for precise travel speed control, the LT-7 Tractor delivers consistent weld bead geometry, minimal spatter, and deep penetration profiles that define the productivity advantages of the submerged arc process.

Submerged arc welding with the LT-7 achieves dramatically higher deposition rates than manual MIG or Stick processes, making it the preferred choice for shipbuilding, pressure vessel fabrication, wind tower manufacturing, and structural steel production. The track-mounted design provides repeatable travel speed and torch positioning for uniform multi-pass welds on long joints. The U395-1 is a factory-certified demo unit available at a significant discount with full Lincoln Electric performance verification.

Available Configurations
  • K395-1 – LT-7 Tractor (Track Model)
  • U395-1 – LT-7 Tractor Factory Demo (Track Model)
Key Features
  • Track-mounted tractor design for precise, repeatable travel speed control on long weld seams
  • Submerged arc process (SAW) delivers high deposition rates with deep penetration and minimal spatter
  • Compatible with Lincoln Electric Power Wave AC/DC submerged arc power sources
  • Adjustable torch angle and flux delivery system for varying joint geometries
  • Flux hopper with controlled delivery for consistent flux coverage and arc shielding
  • Rugged industrial construction for continuous production welding environments
  • Factory demo unit fully inspected and performance-certified by Lincoln Electric
Applications
  • Pressure vessel and heat exchanger shell seam welding with SAW
  • Shipbuilding flat-plate and structural member submerged arc welding
  • Wind tower flange and can section seam welding
  • Structural beam and column fabrication in steel manufacturing
  • Rail car and heavy transportation equipment body welding
Why Choose Lincoln Electric Lincoln LT-7 Tractor Submerged Arc Welder

The Lincoln LT-7 Tractor provides the automated precision, high deposition efficiency, and process consistency that heavy industrial manufacturers require from submerged arc welding. Paired with a Lincoln Electric Power Wave AC/DC submerged arc power source, the LT-7 forms a complete, production-proven SAW system capable of meeting the throughput and quality demands of the most critical industrial welding applications — available as a new unit or factory-certified demo.

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