Specialist B2B Equipment Distributors
Free freight on orders over $199+
Free Freight on Orders $199+·Expert Welding Support Mon–Fri 8am–6pm CT·Net-30 Trade Accounts Available·Free Freight on Orders $199+·Expert Welding Support Mon–Fri 8am–6pm CT·Net-30 Trade Accounts Available
Mon-Fri 8am-6pm CT|[email protected]
WeldingProDirect.com
HomeTIGLincolnLincoln Aspect 375 AC/DC TIG Welder (K3945-1)
Lincoln Aspect 375 AC/DC TIG Welder (K3945-1) — Lincoln | WeldingProDirect.comIn Stock Rebate Available
Authorized Dealer
Free Freight
TIG

Lincoln Aspect 375 AC/DC TIG Welder (K3945-1)

SKU: ILIN20140045 | MPN: K3945-1 | Lincoln

$11,109.99
Manufacturer Rebate Available

Buy Red Save Green — Up to $1,000

Save big on Lincoln Electric products with instant rebates on select welders, plasma cutters, and accessories. Professional-grade equipment at unbeatable prices.

Expires: 2026-06-30

View rebate details →
Request a Quote
Authorized Dealer
Direct from authorized dealer network
Ships in 1-2 Business Days
Most orders leave warehouse next day
Manufacturer Warranty
Covered by standard manufacturer warranty

Description

The Lincoln Aspect 375 AC/DC TIG Welder delivers professional-grade performance with 375-amp output capacity for demanding fabrication applications. This versatile machine handles both AC and DC welding processes, making it ideal for aluminum, stainless steel, and carbon steel projects. At 105 pounds, it provides shop-level power while maintaining reasonable portability. Engineered for professional welders and fabrication shops requiring consistent, high-quality TIG welding performance across diverse materials and thicknesses.

Specifications

PhaseSingle Phase
Weight105 lbs
PhaseSingle Phase
Weight (lbs)105
Amperage Max375
Welding ProcessTIG

Questions about this product?

Our welding specialists are here to help — Mon–Fri, 8am–6pm CT

Contact Us

Complete Your Setup

Lincoln Aspect 375 AC/DC TIG Welder (K3945-1)

Lincoln Aspect 375 AC/DC TIG Welder (K3945-1)

$11,109.99

+CK Worldwide 17 Series Superflex TIG Torch with Flex-Loc Head and Valve (CKFL-VSF)

CK Worldwide 17 Series Superflex TIG Torch with Flex-Loc Head and Valve (CKFL-VSF)

$299.00

+ESAB Sentinel A50 Welding Helmet (0700000800)

ESAB Sentinel A50 Welding Helmet (0700000800)

$299.00

+Miller Women's TIG Gloves

Miller Women's TIG Gloves

$230.00

Bundle total: $11,937.99

Customers Also Bought

Lincoln Viking 3350 ADV Limited Edition 250th Star Spangled Welding Helmet (K6064-5)

Lincoln Viking 3350 ADV Limited Edition 250th Star Spangled Welding Helmet (K6064-5)

$395.00

Lincoln Excalibur 7018 MR 1/8 inch Electrode 50lb Can (ED028281)

Lincoln Excalibur 7018 MR 1/8 inch Electrode 50lb Can (ED028281)

$975.00

Lincoln PIPEFAB Ready-Pak (K3734-1)

Lincoln PIPEFAB Ready-Pak (K3734-1)

$22,495.00

Lincoln Active8X Wire Feeder w/Magnum 300 MIG Gun One-Pak (K3564-1)

Lincoln Active8X Wire Feeder w/Magnum 300 MIG Gun One-Pak (K3564-1)

$3,595.00

WeldingProDirect

Professional welding equipment from authorized dealers — Lincoln, Miller, ESAB, Hypertherm and more.

Part of the ProDirect Group

Specialist B2B equipment distributors across North America

WeldingProDirect.comConcreteProDirect.comGeneratorProDirect.comClimateProDirect.comLiftProDirect.com

Shop

MIG WeldersTIG WeldersPlasma CuttersRebates & DealsAll Products

Top Brands

Miller ElectricLincoln ElectricESABHyperthermHobart WeldingThermal DynamicsAll 63 Brands →

Company

About UsContact UsTrade AccountsShipping Info

Support

Shipping & DeliveryReturns & WarrantyBlogPrivacy PolicyTerms of Service

Official Authorized North American Partner

Miller Electric logoLincoln Electric logoHypertherm logoESAB logo
SSL Secured
Authorized Dealer
Manufacturer Warranties
Secure Checkout

© 2026 WeldingProDirect.com — a ProDirect Group company. All rights reserved.

Authorized dealer network for Lincoln Electric, Miller Electric, ESAB and Hypertherm

United States — Serving all 50 states