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Used Alliant Equipment For Sale

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Most of our inventory sells before we can list it online. If you need a specific brand, model, or specification, tell us what you need—we have access to unlisted equipment and machines coming in from plant closures.

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About Alliant

Taiwan

Alliant vertical knee mills entered the American machine tool market through the Robert E. Morris Company, one of the largest machinery distributors in the northeastern United States. According to machinist community accounts, the brand was created after Bridgeport announced it would sell factory-direct, prompting Morris to source a Taiwanese-built equivalent that matched Bridgeport geometry while addressing several complaints machinists had raised about the original design. The resulting Alliant line offered comparable capability at a lower price point and quickly found a following in job shops and toolrooms across the country.

The core of the Alliant product line is the vertical knee mill, offered in both step-pulley and variable-speed configurations. Common table sizes run from 9" x 42" to 9" x 54", with variable spindle speeds typically ranging from 60 to 4,500 RPM and a standard R8 spindle taper. Key construction features include Meehanite cast iron frames, chrome-hardened dovetail ways, one-shot lubrication, and swiveling ram heads that tilt up to 45 degrees and rotate 360 degrees. Models such as the RT2, RT2V, 42S, 42VC, and 1-1/2 TMV represent the range most commonly encountered on the used market, and many units were delivered with two-axis digital readouts and power table feeds already installed.

Alliant vertical mills serve a broad cross-section of metalworking industries. General job shops, tool-and-die operations, maintenance and repair facilities, educational machine shops, and small-batch production environments have all relied on these machines for milling, drilling, boring, and contouring work in steel, aluminum, and other common engineering materials. Their Bridgeport-compatible geometry also makes them a natural fit for aerospace component shops and automotive parts manufacturers that already maintain R8 tooling inventories.

Buyers seeking used Alliant vertical mills are drawn primarily to the machines' solid cast iron construction, which holds up well over decades of shop use and resists the vibration that degrades accuracy in lighter-duty equipment. Because the design mirrors Bridgeport geometry so closely, R8 tooling, replacement spindle parts, and aftermarket accessories are widely available and inexpensive. Variable-speed heads eliminate belt-change downtime, and the relatively compact footprint makes these mills easy to fit into crowded shops. All of these factors combine to give used Alliant knee mills strong resale value and a loyal following among buyers who want proven manual milling capability without the premium price of a new machine.

Meadoworks is your trusted source for used Alliant equipment. As third-generation industrial equipment dealers and AMEA-certified appraisers with over 50 years of experience, we offer quality-inspected Alliant machines at competitive prices. Browse the 1 used Alliant 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 Alliant equipment to sell? Get a free valuation or contact our team.

Frequently Asked Questions

What is Alliant known for?

Alliant is best known for its Bridgeport-style vertical knee mills, which were manufactured in Taiwan and sold in the United States market through the Robert E. Morris Company distribution network. The machines are recognized for their Meehanite cast iron construction, R8 spindle compatibility, chrome-hardened ways, and variable-speed heads that deliver reliable toolroom performance at a competitive price.

Are Alliant knee mills compatible with Bridgeport tooling and parts?

Yes. Alliant vertical mills were designed to match Bridgeport geometry closely, so standard R8 collets, end mill holders, and a wide range of aftermarket accessories fit without modification. This compatibility is one of the main reasons used Alliant mills remain popular, since R8 tooling is among the most widely available and affordable in the industry.

What should I look for when buying a used Alliant vertical mill?

Inspect the spindle taper and quill for wear, check the chrome ways for scoring or pitting, and verify that the one-shot lubrication system is functioning. Many used Alliant mills were equipped with digital readouts and power table feeds at the factory or by previous owners, so confirming that these accessories are present and operational can add significant value to a purchase.

Popular Alliant Models

Alliant RT2Alliant RT2VAlliant 42SAlliant 42VCAlliant 48VMAlliant 1-1/2 TMVAlliant 1054-3VAlliant 1158-5V

Looking for one of these models? Call 800-323-0307 — we often have unlisted Alliant machines coming in from plant closures.

Alliant Specialties

Vertical Knee MillsVariable-Speed Vertical MillsToolroom MillsManual Milling MachinesCNC-Ready Knee Mills

Looking for Specific Alliant Equipment?

Can't find what you need? Contact our team with your requirements. We source equipment from plant closures and facilities across North America and can often locate specific machines.