Miller 320A/BP Welder

Listing # 84404255 Amherst, MA US University of Massachusetts Amherst

This Auction Ends in:

15 Days, 19:22:44

Auction may be extended by 2 minutes to prevent bid sniping.

Current Highest Bid:

$100.00   No Reserve
Bids: 0 Buyer’s Fee: 9.00%

Auction Details

Starting Bid: $100.00
Current Price: $100.00  
Buy Now Price $0.00
No Reserve   
Buyer's Fee: 9.00%
Start Date
End Date  [Extended]
Bid History 0 Bid(s)  
Page Views 26

Payment Details

If the total purchase price is less than $300.00 payment can be made with a personal check, certified check, official bank treasurer's check or money order payable to the University of Massachusetts. If the total purchase price is $300.00 or greater, payment must be made with an official bank treasurer's check or money order payable to the University of Massachusetts. Payment must be received prior to the removal of the equipment. Reference the University of Massachusetts Amherst-Sale of Surplus Property-Terms and Conditions at: https://www.umass.edu/controller/sites/default/files/UMass_Amherst_-_Sale_of_Surplus_Property_Terms_and_Conditions.pdf

Item Description

The Miller 320A/BP is a legendary, heavy-duty, industrial AC/DC TIG and stick welder. Built like a tank in the 1970s, it is primarily used for precision aluminum and stainless-steel fabrication. Known for its smooth arc and reliability, it uses traditional transformers and spark-gap high-frequency (HF) technology.

Core Specifications

  • Rated Output: 320 Amps
  • Duty Cycle: 60% duty cycle at 200 Amps
  • Primary Input Power: Usually requires heavy 208/230/460V 3-phase power, though some are wired for single-phase.
  • Weight: ~850 lbs (massive transformer-based unit)

Key Features

  • AC/DC Capability: Features AC for aluminum/magnesium and DC for mild steel, stainless, and other alloys.
  • Spark-Gap High Frequency: Uses mechanical spark-gap points for arc starting and stabilization in TIG mode.
  • Mechanical Post-Flow Timer: Adjusts how long the shielding gas continues to flow after the arc stops, protecting the tungsten.
  • Remote Foot Pedal: Compatible with remote pedals for amperage control during the weld.

Seller's Terms & Conditions

INSPECTION STRONGLY ENCOURAGED, SOLD AS IS WITH NO WARRANTY Sold as is where is. Buyer responsible for rigging. Pick up only Loading Dock 32”

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Additional Information on this Auction

Will Item results be voted on No
Will you ship this item No. Pickup only.
In person item inspection information Colby Norwood norwood1507@umass.edu 413-545 -6374

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