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Tweco® 300 Amp Professional Classic® No. 3 .035" - .045" Air Cooled - 15' Cable/Miller® Style Connector

Airgas Part #:TWE1030-1136

Manufacturer Part #:10301136

$577.35 /Each

Item Details

  • Tweco® Professional No. 3 Classic Series 300 A MIG Gun accommodates wires of size 0.035 - 0.045" and features metal jacketed conductor tube. Air-cooled MIG gun is designed for medium/heavy-duty fabrication and offers 60% duty cycle with CO2 gas. 15' Power cable offers good wire feedability and features Miller® style rear connection. Gun incorporating standard 60 deg conductor tube offers to swivel 360 deg around handle and can be rapidly removed and replaced without removing the conduit. MIG gun features fully insulated MIG-Kwik connection that lets user to connect or disconnect at the wire feeder.


  • Industry standard for 40+ years, oval shaped handle reduces grip required to manipulate MIG gun position
  • Balanced to pivot at the center of the handle for ease of use in different welding positions, reduces operator fatigue
  • Gun hanger located at the bottom for ease of resting gun when not in use
  • Heavy-duty design for industrial application environments using special plastic composition for high impact crush-resistant handle
  • Steel spring strain relief provides support to the Cablehoz® coming out the rear of the handle to minimize wire feed issues
  • Mechanical connection of conductor tube and Cablehoz® within the handle providing excellent current path to the end of the contact tip
  • Two (2) ball-point screws are used to secure the Cablehoz® and conductor tube in place
  • Trigger contains silver plated contacts with a self cleaning action every time the trigger is engaged and disengaged
  • Industry Standard
  • Metal jacket conductor tube
  • Enhanced direct plug capabilities
  • Durable and dependable for industrial applications heavy-duty design, high impact resistant handle and components, three layer conductor tube construction (copper tube/silicon-resin glass insulator/metal jacket)
  • Field repairable: Split-half handle case provides access for ease of repair - easily repair Cablehoz®, no additional connectors required
  • Improved performance with longer life consumables wide selection of front end consumables available, heavy-duty contact tips in high heat applications offered
  • Lower inventory carrying costs: Interchangeable front end consumables between Tweco® Spray Master® series and Tweco® Professional No. Series


  • Rated at 60% duty cycle using CO2 gas


  • Farm
  • Garage
  • Hobby/DIY
  • Artistic Metal Working
  • Shop Jobs
  • Maintenance And Repair Applications
  • Production

Product Attributes

MIG Amperage Range

» 300 A

Trade Name

» Professional Classic® No. 3

MIG Wire Size

» .035" - .045"

Cable Length

» 15'

Cooling Method

» Air Cooled

Rear Connection

» Miller® Style Connector

Wire Type

» Solid
» Flux Cored Gas Shielded
» Aluminum
» Flux Cored Self-Shielded