i4 Inverter Resistance Spot Welder

The i4 Inverter Resistance Spot Welder is designed to handle the difficult to weld materials such as boron steels and Advanced High Strength Steels (AHSS). These new metals are rapidly becoming the material of choice among car manufacturers. The i4 includes an OEMprogrammable feature with detailed repair illustrations and customized weld programs.

Pro Spot i5 Welder Double Acting Spot GunDouble-Acting Spot Gun

Pro Spot’s signature Spot Gun features double-acting cylinder, wide-spreading, self-aligning electrodes.


Extension Arms

The Pro Spot i4 comes with a variety of extension arms to accommodate any welding job situation.


Single-Sided Welding

10 different Single-Sided welding applications give you the power and versatility to complete any job.


Control Panel

The i4 features a large 4”x6” monitor capable of displaying instructions and OEM repair procedures.


i4 Software

The i4 Software is stored on an upgradeable flash card. We consistently release new repair procedures and features so you’ll never have an obsolete or out dated i4.


i4 Combi: Built-In MIG Welder

i4 features an easy upgrade to include a PR-155 MIG welder. It can be installed later as an upgrade package or ordered with MIG welder built-in from the factory.


i4 Overhead Installation

The Pro Spot i4 is available in an overhead ceiling-mounted version. The ceiling-mounted version hangs from the ceiling at 20’ bracket spacing giving you extra floor space and accessibility.