We provide JAPAN QUALITY parts & the BEST SOLUTION.

Established in 1957, we are the largest distributor of construction equipment spare parts in Japan. Our service operation provide customers with high quality replacement parts as one stop service supplier from Japan.

We are specializing in ORIGINAL & AFTERMARKET parts of construction equipment machinery for KOMATSU, CATERPILLAR, HITACHI, KOBELCO, SUMITOMO, KUBOTA, YANMAR, TADANO, KATO and any other Japanese brand machines.

Various kind of spare parts are available especially for Original KOMATSU PARTS including engine parts, hydraulic parts & electrical parts.

You always get what is expected, high quality spare parts at a great value.


NEWS

2018/12/05
BAUMA CHINA 2018

2018/11/16
Website Renewal

2018/11/16
We will exhibit in BAUMA CHINA 2018 at Shanghai.


Earth Moving Equipment Parts

We provide the customer best product selection to cover all their requirements.

For KOMATSU, CATERPILLAR, HITACHI, KOBELCO, SUMITOMO, KUBOTA, YANMAR, TADANO, KATO.
Wide range of spare parts are available for Original KOMATSU Parts,
ISUZU engine parts, HINO engine parts, MHI engine parts and Hydraulic Components for NABTESCO, KYB, KAWASAKI, SHIMADZU.

Please contact us with machine model & parts number.

Engine Parts
Hydraulic Parts

Rubber Track TNJAPAN

TN JAPAN Rubber Track is specially manufactured by according to Japan Quality specifications
with superior materials and internal structural components.

Advanced equipment with quality assurance process, ensures durable and reliable rubber tracks

Since we have established original Rubber Track “TN JAPAN”, recent annual sales over 50,000pcs
with high reputation from worldwide users.

ADVANCED TECHNOLOGY,Joint-less steel cord technology.Structural design with special blend of natural & synthetic rubber compounds.The premium metal core strong bonding with the rubber during vulcanization.

KUBOTA,DC-35,DC-60,DC-70,DC-95,DC-105X,YANMAR,AW-70,AW-80,YH-700,YH-850,KOMATSU,CATERPILLAR,HITACHI,KOBELCO,KUBOTA,YANMAR,MOROOKA,TAKEUCHI
We have exported into developing markets.Russia,Poland,Sweden,China,Korea,Taiwan,Vietnam,Thailand, Malaysia,Singapore,Indonesia,Cambodia,Myanmar,India,Nepal,Mongolia,U.A.E Canada,Brazil,Columbia,South Africa,Tanzania
Always welcome your contact.

Name TONICHI KOSAN CO.,LTD.
Location Tokyo Head Office
2-18, Nozawa 3-chome,
Setagaya-ku, Tokyo,   Japan
Employees 124 Persons
Established 1957 July
Annual Sales 8.3Billion Yen (2019)
Capital 90 Million Yen

A Member of the IDA(independent distributors Association)  ida