Used OKK Equipment Sold by Meadoworks

OKK was established in October 1915 in Osaka City, Japan, initially producing pumps and industrial machinery. The company pivoted to machine tools in 1934, and that business became its permanent core. Over the following decades OKK grew into a globally recognized builder of CNC machining centers, eventually becoming a subsidiary of Nidec Corporation in 2022 and operating today as Nidec OKK Corporation. Throughout those changes the Itami, Japan manufacturing campus and the company's foundational engineering philosophy have remained constant.

OKK's flagship product lines are its vertical machining centers, which span several generations of well-regarded series. The MCV series — including the large-table MCV 650 and MCV 820 — became workhorses of heavy-duty production machining in the 1990s, featuring geared-head spindles, CAT-50 taper, box-way construction, and Mitsubishi Neomatic or Meldas CNC controls. The PCV series offered a more compact vertical platform with CAT-40 or CAT-50 taper options and high spindle speeds suited to die and mold work. Later generations introduced the VM, VP bridge-style, VB, KCV, and HM horizontal series, all sharing OKK's commitment to in-house spindle, gearbox, ball screw, and guideway manufacturing for complete quality control.

OKK vertical machining centers serve manufacturers across a wide range of demanding industries. Automotive parts production has historically been the company's strongest market, with major Japanese automakers relying on OKK equipment for high-volume precision components. Aerospace fabricators value the structural rigidity and thermal stability for tight-tolerance alloy work. Die and mold shops, general metalworking job shops, energy sector suppliers, and heavy equipment manufacturers also depend on OKK machines for their ability to handle both roughing and finishing operations without sacrificing accuracy.

Buyers seeking used OKK vertical machining centers consistently cite the machines' exceptional longevity and retained accuracy as the primary reasons to choose them on the secondary market. The all-in-house manufacturing approach means that critical wear components — spindles, guideways, ball screws — are purpose-built to OKK tolerances, and the thick-walled cast iron structures provide vibration damping that keeps surface finish quality high even after years of heavy cutting. Parts availability is supported through Nidec OKK's global service network, and the machines' reputation for outlasting conventional tool life cycles means a well-maintained used OKK vertical machining center can deliver many additional years of productive service.

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