Used Promax Equipment Sold by Meadoworks

Promax has established itself as a supplier of injection molding equipment, with its horizontal press lineup gaining recognition among plastics processors who require reliable, high-clamping-force machines for demanding production environments. The brand's machines have circulated in the used equipment market across North America and internationally, serving shops that prioritize proven mechanical performance over premium-brand pricing.

The centerpiece of the Promax lineup is its horizontal injection molding machine series, which includes large-tonnage configurations such as the 4000C Series. These machines are built around hydraulic clamping systems designed to deliver consistent clamp force across a wide range of mold sizes, making them well suited to medium and large part production. The horizontal platen orientation — the industry standard for high-volume thermoplastic molding — allows straightforward mold changes and easy integration with downstream automation and part-removal equipment.

Promax horizontal injection molding machines are used across industries that demand high shot volumes and repeatable part quality. Typical end markets include consumer goods manufacturing, industrial components, packaging, and automotive-adjacent applications where large structural or trim parts are produced in thermoplastic materials. The machines' clamping capacity makes them particularly relevant for processors molding bulky or thick-walled parts that require sustained tonnage throughout the cycle.

Buyers seeking used Promax injection molding machines are typically drawn by the combination of substantial clamping force and a lower acquisition cost compared to equivalent-tonnage machines from European or Japanese brands. Large-frame hydraulic presses like the 4000C Series retain strong utility value because their mechanical and hydraulic components are serviceable with widely available parts, and their straightforward architecture keeps maintenance costs manageable over long service lives. These factors make used Promax equipment an attractive option for processors expanding capacity or replacing aging presses without committing to new-machine capital expenditure.

Meadoworks is your trusted source for used Promax equipment. As third-generation industrial equipment dealers and AMEA-certified appraisers with over 50 years of experience, we offer quality-inspected Promax machines at competitive prices. Most of our Promax inventory sells before we can list it online — 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 Promax equipment to sell? Get a free valuation or contact our team.