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  6. Reduction gears, speed increasers, and transmission devices - Equivalent products can be manufactured by Yamai Manufacturing Co., Ltd. and Oya Manufacturing Co., Ltd.

Reduction gears, speed increasers, and transmission devices - Equivalent products can be manufactured by Yamai Manufacturing Co., Ltd. and Oya Manufacturing Co., Ltd.

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last updated:Oct 06, 2026

益製作所 株式会社益製作所 本社・工場
益製作所 株式会社益製作所 本社・工場
  • Official site

Are you having trouble because there is nothing the same when replacing products? We can accommodate from one unit at a low cost, whether it's a modification of a standard product or new design and manufacturing!

A non-stop transmission that allows for instantaneous and precise shifting even while rotating! With the slide key mechanism, precise shifting operations can be performed whether in motion or at a standstill. Gears and shafts are made from chrome molybdenum steel, treated with case hardening for enhanced strength. It operates quietly, is compact, lightweight, and economical. The installation of the transmission and reduction gear can be done at any angle—horizontal, vertical, or sideways. If you contact us, we will send detailed drawings, including dimensions, rotation speed, and gear ratios via fax, mail, or email. Gears can be manufactured in modules ranging from 0.5 to 22. Compared to other companies' inverter products, it has fewer failures, lower power consumption, and is more economical! We have many models of reduction gears, speed increasers, transmissions, and forward/reverse switches that are not listed in the catalog. If you provide us with the power, horsepower, gear ratio, and reduction ratio, we will send you drawings of suitable models. Additionally, we can design and manufacture modifications to standard products or new designs at a low cost starting from just one unit. We can produce equivalent products to those from Yamai Manufacturing, Oya Manufacturing, Daito Seiki, and Taniguchi Reduction Gear. We design and manufacture speed increasers for hydroelectric power generation and wind power generation.

    Power Transmission Equipment
MS-208GSK【モリマシナリー】.jpg

Reduction gears, speed increasers, and transmission devices - Equivalent products can be manufactured by Yamai Manufacturing Co., Ltd. and Oya Manufacturing Co., Ltd.

MS-208GSK【モリマシナリー】.jpg
MS-208GSK【モリマシナリー】.jpg
  • Related Link - https://masuseisakusyo.com/product10.html

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basic information

Regarding reducers, speed increasers, variable speed drives, and forward/reverse switching, there are many models not listed in the catalog. If you provide us with the power, rotation speed, torque, gear ratio, and reduction ratio, we will send you the drawings of suitable models. Additionally, we can design and manufacture modifications of standard products or new designs at a low cost starting from just one unit. We can also produce equivalent products for Yamai Manufacturing, Oya Manufacturing, Daito Seiki, Izumi Giken, Taniguchi Reducers, and Sun Seiki. We design and manufacture speed increasers for hydroelectric power generation and wind power generation.

Price information

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Delivery Time

Please contact us for details

Applications/Examples of results

Our company's gearboxes, reducers, and speed increasers are widely used in various industrial machines such as construction machinery, transportation machinery, civil engineering machinery, food machinery, woodworking machinery, agricultural machinery, marine machinery, forestry machinery, stone machinery, wire twisting machines, boring machines, elevators, feeding devices, wind power generation, hydroelectric power generation, lathes, and other types of industrial machinery. ● Yamai Manufacturing LP-B, Yamai Manufacturing LJ-D, Yamai Manufacturing RJ-D, Yamai Manufacturing LA15-D, Yamai Manufacturing RA15-D, Yamai Manufacturing OM-10, Yamai Manufacturing OM-15 Yamai Manufacturing DK-15L, Yamai Manufacturing LA5-BD Izumi Giken SK-75, etc. ● Oya Manufacturing SM-3, SM-5, SMP-6, etc. ● Daito Seiki HL-9, etc. ● Taniguchi Reducer TH10-4-L, Taniguchi Reducer 10KH1/5, Taniguchi Reducer 20KH1/5, Taniguchi Reducer 20KH1/20, Taniguchi Reducer 30KH1/5, Taniguchi Reducer 30KH1/10, Taniguchi Reducer 50KH1/10, Taniguchi Reducer 75KH1/30, Taniguchi Reducer 110KH, Taniguchi Reducer CH-500, etc.

Detailed information

  • MSM-6110GST【ミツトヨ】.jpg

    Products equivalent to some items manufactured by Yamai Manufacturing, Oya Manufacturing, Daito Seiki, and Sun Seiki can be produced.

  • 5.jpg

    We will design and manufacture from one unit. We design and manufacture gear products in general, including transmissions, reducers, and multipliers, starting from one unit.

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"Gear Reducers, Gear Increasers, Transmissions, Forward/Reverse Switching" Q&A Collection

"Gear Reducers, Gear Increasers, Transmissions, Forward/Reverse Switching" Q&A Collection

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Reduction gear, speed increaser, transmission, forward/reverse switching [Available for order from one unit!]

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Non-stop transmission capable of instantaneous and precise shifting even while rotating. With a slide key mechanism, precise shifting operations can be performed whether in motion or at a standstill. Gears and shafts are made from chrome-molybdenum steel and are subjected to case hardening, ensuring ample strength. Quiet operation, compact, lightweight, and economical. The installation of the transmission and reduction gear can be done at any angle—horizontal, vertical, or sideways. If you contact us, we will send detailed drawings including dimensions, rotation speed, gear ratios, etc., via fax, mail, or email. Gears can be manufactured with a module ranging from 0.5 to 22. It has low failure rates, low power consumption, and is economical! Regarding reduction gears, speed increasers, transmissions, and forward/reverse switching, there are many models not listed in the catalog. If you provide us with the power, horsepower, gear ratio, and reduction ratio, we will send you the drawings of suitable models. Additionally, for modifications of standard products or new design and manufacturing, we can design and manufacture from a single unit at a low cost. We can produce equivalent products from Yamai Manufacturing, Oya Manufacturing, Daito Seiki, and Taniguchi Reduction Gear. We also design and manufacture speed increasers for hydroelectric power generation and wind power generation.

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益製作所

益製作所 株式会社益製作所 本社・工場

Industrial Machinery

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We design, manufacture, and sell gear products such as speed reducers, speed increasers, transmission devices, and forward/reverse switches at low prices starting from one unit. We are a long-established manufacturer of power transmission equipment. We are a member of the Kochi Small Hydropower Promotion Council. We can produce some equivalent products from Yamai Manufacturing, Oya Manufacturing, Daito Seiki, and Taniguchi Reducers. Our mobile sawmill has won both the Local Industry Award and the Idea Award at the Kochi Prefectural Local Industry Awards. Established in 1956, we have a production record of 400,000 units of transmission and reduction devices! ● Mobile Sawmill Winner of the Local Industry Award at the 20th Kochi Prefectural Local Industry Awards in 2005 Winner of the Idea Award at the 5th Kochi Eco Industry Awards in 2005 ● Manual Shock Wrench Chairman's Award at the Kochi Prefectural Invention and Innovation Contest in 2001

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