Used Maruei Grinding & Finishing Equipment for Sale

Maruei Machine Works Co., Ltd. — known in Japan as Maruei Kikai Seisakusho — is a dedicated grinding machine manufacturer based in Japan. The company has built its reputation over many years by developing, manufacturing, and selling a focused range of grinding machines in response to the evolving precision requirements of Japanese industry. It engages in educational partnerships, including internship programs with institutions such as Niigata Institute of Technology, reflecting a long-term commitment to cultivating grinding technology expertise.

Maruei's core product lines center on cylindrical grinders and internal grinders, with cam grinding machines and fully automatic dedicated machines rounding out the catalog. The cylindrical grinder lineup spans compact small-capacity models through medium and large configurations, giving shops flexibility across a wide range of workpiece sizes. In recent years the company has also developed composite machines capable of combining multiple grinding operations in a single setup, supporting customers who need high-efficiency, high-precision processing. The GA-series cylindrical grinders, such as the GA-25-50T, are representative of the line and are widely traded on the used market.

Maruei grinders are used across industries that demand tight tolerances on cylindrical and internal surfaces, including automotive component manufacturing, bearing and shaft production, hydraulic and pneumatic component machining, and general precision metalworking. Their machines are well suited to production environments where consistent roundness and surface finish are critical quality requirements.

Buyers seeking used Maruei cylindrical grinders and internal grinders value the machines for their solid mechanical construction, stable spindle systems, and the long service lives that Japanese machine tool builders are known for. Because Maruei focuses exclusively on grinding equipment, its machines tend to be purpose-built rather than adapted from general-purpose platforms, which translates to reliable accuracy retention over time. This combination of build quality and specialized design makes used Maruei grinders an attractive option for shops looking to add proven Japanese grinding capacity without the cost of new equipment.

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