Used Tierney Electrical Equipment For Sale

Tierney Electrical Manufacturing Company was established in 1938 in Seattle, Washington, where it has operated continuously for more than eight decades. Founded as a focused transformer manufacturer, the company built its reputation in the Pacific Northwest by combining copper-wound craftsmanship with the ability to produce standard and custom designs on lead times far shorter than the industry norm. That single-location, single-focus model has kept Tierney Electrical a recognized name among electrical engineers and plant maintenance teams throughout the United States.

The core product line is dry-type, air-cooled transformers with all-copper windings, spanning 50 VA through 3,000 KVA. The 600 V general-purpose distribution series covers single-phase units from 15 KVA to 1,000 KVA and three-phase units from 15 KVA to 3,000 KVA, while the Type MTC machine tool control series addresses the demanding control-circuit requirements of industrial machinery. Specialty variants include the Capacitran line, which uses a Class 220 insulation system for continuous overload capacity beyond nameplate rating, and the Corrositran line, engineered with extra-thick insulating varnish and stainless steel hardware for corrosive environments such as pulp and paper mills and marine installations. K-Factor rated three-phase units and outdoor padmount configurations round out the catalog, along with neutral grounding reactors.

Tierney Electrical transformers serve a broad cross-section of industrial end markets. Machine tool and CNC machining facilities rely on the MTC control transformer series to power machine logic circuits reliably. Pulp and paper producers, food and beverage processors, water treatment plants, and marine and port facilities specify the Corrositran and other specialty variants for harsh-environment installations. General manufacturing plants, commercial buildings, hospitals, and schools use the standard GP distribution series for everyday power distribution and voltage conversion.

Buyers seeking used Tierney Electrical dry-type transformers on the secondary market are drawn primarily to the all-copper winding construction, which resists thermal degradation and supports a long service life well beyond that of aluminum-wound alternatives. The straightforward air-cooled, dry-type design requires no oil management, simplifying maintenance and reducing long-term operating costs. Because Tierney Electrical has maintained consistent design standards across decades of production, replacement parts and rewinding services remain accessible, and units from earlier production runs continue to perform reliably in active facilities.

Meadoworks is your trusted source for used Tierney Electrical equipment. As third-generation industrial equipment dealers and AMEA-certified appraisers with over 50 years of experience, we offer quality-inspected Tierney Electrical machines at competitive prices. Browse the 1 used Tierney Electrical machine listed above, or call 800-323-0307 for equipment not yet listed.

Every machine includes detailed specifications and high-resolution photos, and inspection visits are available for most equipment. We ship worldwide with experienced rigging partners and offer financing for qualified buyers. Have Tierney Electrical equipment to sell? Get a free valuation or contact our team.