09/25/2026
The USA made BRS2C model integrated portable line bore system model BOA-C45 with included BOA-408i portable MIG bore welding system in action here in New York restoring the 4” boom bores on this Caterpillar 320E excavator. This popular system is a top choice among shops and individuals who must maintain a large fleet of heavy equipment due to its unique “pass-through” Mount anywhere design, bulletproof, simple to learn design and the great customer support Bore Repair Systems, Inc. offers. The company offers professional technical training at your shop or theirs as well which is a nice feature. The borewelder hooks up seamlessly to virtually any MIG setup in your shop. Today the unit is interfaced with a Miller Millermatic 252 using 90%argon 10%Co2 shielding gas and Lincoln L56 (Er70S6) .030 wire.