PR-3 Auto


Our versatile resistance type welder delivers exceptional performance and flexibility for a wide range of light welding and dent pulling applications. Originally designed for the body shop industry, this welder is capable of shrinking, single-sided spot welding, and attachment of threaded studs, nuts, and mounting clip rivets for windshields. Additionally, it is ideal for patchwork welding tasks. The biggest advantage of this welder is that it utilizes minimal heat compared to other welding methods, while still providing a clean and user-friendly experience. After welding, there is minimal cleanup required, making it an efficient and reliable tool for any workshop.

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Auto Weld Feature

Auto Weld Handle

The Auto feature is very quick and user friendly due to the fact that it does not weld instantly like other higher priced systems on the market. Electrodes that can be used with the Auto-Mode include:

  1. Pull Key Electrode (PS-880)

  2. 4mm Stud Holder Electrode (PS-820)

  3. 6mm Stud Holder Electrode (PS-839)

  4. Washer Adapter (PS-840)

  5. Rivet Holder (PS-870)

  6. Spot Hammer Assembly (CLP-70)

  7. Weld-on Shaft Dent Pulling Kit (CLP-110)

  8. Weld-on Shafts (SA-0153, SA-0152, SA-0151)

Single-Sided Welding Learn more

  • Single sided welding accessories

    The PR-3 Auto is capable of handling a variety of single-sided welding needs which include:
    washer, nut & bolt, nail, rivet and stitch.

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Dent Repair / Stitch Welding

  • 1. Lever Bar 2. Slide Hammer 3. Weld-on Shaft Dent Pulling Kit

  • Quickest dent pulling system ever! Just weld the hammer directly on the dent and hammer away. Simply twist to release.

  • Ideal for rust repair and patching, stitch welding works by delivering an intermittent or pulsating current while rolling the tip on the sheet metal edge.

  • Pro Pull Dent Pulling. Position the weld tip on the bottom of the dent, weld, then squeeze the handle to initialize the pulling action.

Precision Dent Pulling

no burn through backside
  • auto weld pull keys

    Auto Welding

  • pull bar dent pulling

    Pull Bar Dent Pulling

By using weld keys, the user is able to pull a larger area all at once. They are also usefull for pulling out creases. When the keys are welded in a crease and the metal rod is inserted through the group of keys, the low portion of the crease will be pulled first and the entire crease pulled evenly flat. Used with the Pro Pull Single Pull or Pull Bar.

Technical Specifications

Input Voltage: 1 Phase 208-230V
Input Amperage: 24A
Input Cable: 30' (9m)
Autput Amperage: 2000A Max (at) tips
Welding Cable: 8' (2.5m)
Dimensions: 18" X 14" X 12"


  • Auto Weld

    Auto senses & welds when it makes contact with the workpiece, saving time and hassle.

  • T-Dent Handle

    Provides additional access tand mobility to apply pull keys tightly together.

  • Versatility For Any Job

    With the turn of a wing nut, you can easily switch to single-sided welding applications including washer nut & bolt, nail, rivet, stitch & more.