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KP3989-2 - Lincoln KP3989-2 Insulated Drive Roll Kit 3/64-1/16

Packaging: 1 Per Ea
$151.08/EA $104.08/1 Per Ea only $104.08/EASave 31%

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SKU: KP3989-2 Categories: ,

OVERVIEW

Reliable Wire Feeding with Lincoln Electric KP3989-2

The Lincoln Electric KP3989-2 Drive Roll is a critical component for professional welders who demand precision and reliability in their MIG welding operations. Designed to accommodate wire sizes ranging from 3/64 inch to 1/16 inch, this insulated drive roll kit ensures that your filler metal is delivered to the weld pool smoothly and consistently. In industrial environments where downtime equates to lost revenue, using genuine OEM parts like the KP3989-2 is essential for maintaining the efficiency of your wire feeder system.

Precision Engineering for Optimal Performance

Lincoln Electric engineers their drive rolls to exact tolerances. The KP3989-2 features precision-machined grooves that grip the welding wire firmly without crushing or deforming it. This is particularly important for the 3/64" to 1/16" size range, which often includes flux-cored or aluminum wires that can be sensitive to feed pressure. By providing optimal traction, these rolls prevent wire slippage and the frustrating "bird-nesting" that can occur at the feeder inlet, ensuring a stable arc and high-quality weld beads.

The Importance of Insulated Drive Rolls

The "Insulated" designation of the KP3989-2 indicates that these rolls are designed to electrically isolate the wire drive mechanism from the wire itself or the chassis, depending on the specific feeder design. This feature is crucial for preventing stray arcs or electrical shorts within the feeder unit, which could damage sensitive electronics or compromise the safety of the operator. It reflects Lincoln Electric's commitment to safety and equipment longevity.

Genuine Lincoln Electric Quality

When you choose the KP3989-2, you are investing in the durability and performance associated with the Lincoln Electric brand. Unlike aftermarket alternatives that may wear out quickly or fit poorly, these drive rolls are built to withstand the rigors of daily industrial use. Regular inspection and replacement of drive rolls are recommended as part of a preventative maintenance schedule to keep your welding operations running at peak performance.

Additional Information
packaging-description:1 Per Ea
----- new values below ----
Wire Diameter:3/64 in, 1/16 in
Product Type:Drive Roll
Features:Insulated
Brand:Lincoln
Packaging Description:1 Per Ea

INCLUDED

  • 1 x Lincoln Electric KP3989-2 Drive Roll Kit (3/64 - 1/16 in)
  • Installation Instructions

APPLICATIONS

  • Heavy industrial fabrication
  • Structural steel welding
  • Manufacturing and assembly
  • Shipbuilding and repair
  • Automotive component welding

FAQ

The KP3989-2 is designed for wire diameters ranging from 3/64 inch (1.2 mm) to 1/16 inch (1.6 mm).

Yes, the KP3989-2 is a genuine Lincoln Electric OEM drive roll kit.

Insulated drive rolls are designed to prevent electrical conductivity between the wire and the drive mechanism, protecting the feeder and ensuring safety.

While the size range (3/64-1/16) is common for aluminum, you should verify if the groove shape (U-groove vs V-groove) is suitable for your specific alloy. However, insulated rolls are often used in systems capable of running aluminum.

Drive rolls should be replaced when the grooves show signs of wear or when wire slippage occurs despite proper tension adjustments.

Using the wrong size can lead to wire slippage (if too big) or wire deformation and shaving (if too small), both of which cause poor feeding and weld defects.

Packaging can vary, but 'Kit' usually implies the necessary rolls for one drive assembly. Please check the specific quantity listed, typically sold as a set or per required assembly unit.

No, it is compatible with specific Lincoln Electric wire feeders that accept the KP3989 series rolls. Check your welder's manual for the correct part number.