- History of Vertical Water-cooled Diesel Engine
- History of Horizontal Water-cooled Diesel Engine
- History of Electronic ignition Engine
- 1922
- Start production of the horizontal type water-cooled kerosene engine "A" for agricultural use at the Funade-cho plant
- 1931
- Start production of diesel engines for land use
- 1937
- Establishment of the Sakai Plant for the exclusive production of engines
- 1950
- Start production of the first horizontal type water-cooled diesel engine (HD5,HD8,HD10)
- 1953
- The multi-purpose KND 8 won the Minister of International Trade and Industry Award at The Compact Multi-purpose Inner Combustion Engine Comparison Contest
- 1956
- Start production of air-cooled gasoline engine (AK2: Tailored Use, Multi-purpose)
- 1958
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Start production of horizontal type diesel engine with radiator - KNDR5
Start production of 2-cycle horizontal type diesel VA, VC
- 1959
- Start production of water-cooled vertical type diesel engine (UH)
- Start production of air-cooled 4-cycle gasoline engine
- 1972
- Establishment of Kubota Indonesia (Present day PTKI)
- 1975
- Establishment of the Tsukuba Plant
- Development of the GN series
- 1976
- Development of the E-Series horizontal type diesel series (the birth of Kubota's original TVCS system)
- 1978
- Establishment of The Siam Kubota Industry Co., Ltd. (Thailand)
- 1981
- Establishment of Kubota Engine Division
First kerosene engine produced
water-cooled vertical type diesel engine,UH3
- 1982
- Establishment of Kubota Engine Sales＆Service Co,Ltd..
- Development of the direct-injection type compact diesel engine
- 1983
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Development of the world's first 82mm stroke, less than 500cc per cylinder, water-cooled multi-cylinder direct-injection diesel engine
Development of the world's smallest, 62.2mm stroke, 200cc per cylinder, multi-cylinder diesel engine series, Super Mini
- 1984
- Development of the EA engine series
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Development of DG1402 water-cooled gas engine
Development of the air-cooled gasoline generator, NA series
- 1985
- Establishment of the Sakai Rinkai Plant for the exclusive production of engines
- 1987
- Achievement of the 10 million accumulated engine production unit
- Development of the super OHV air-cooled gasoline engine series
- Development of the Super Five Series diesel engines (equipped with the New TVCS combustion system which has improved the output, fuel efficiency, and emissions)
- 1988
- Development of the oil/air- cooled diesel engines OC52 and OC62
- Development of the New Super Mini 68mm stroke series diesel engines
- 1990
- Development of the Super Three 92.4mm stroke series diesel engines
- 1993
- D1105-E diesel engine, equipped with E-TVCS, became the world’s first off-road engine under 25 HP to pass the CARB ULGE (California Air Resources Board’s Utility, Lawn & Garden Equipment Engines) emission regulations
Super Mini Series
Celebrating the 10 millionth engine at Sakai Rinkai Plant
Super OHV gasoline engine
Super Five diesel engine
Super ACTV oil/air-cooled diesel engine
- 1994
- Sakai Rinkai Plant, Tsukuba Plant, and Sakai Plant all earned the Certification of the Quality Management System ISO9002
- 1995
- Start production of engines in compliance with the CARB regulations
- 1996
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Start production of engines in compliance with the Japanese MOC (formerly known as the Ministry of Construction;
currently the Ministry of Land, Infrastructure and Transport) regulations
- 1997
- Development of the 110mm stroke series (V3300, V3300-T, V3300-TI)
- Establishment of Kubota Engine America Corporation.
- Tsukuba Plant earned the Certification of the Environmental Management System ISO14001
- Development of the dual-fuel engine, DF750
- 1999
-
Establishment of the Engine Research & Development Facility, and Quality Inspection Facility within the Sakai Rinkai Plant
Start production of engines in compliance with the U.S. E.P.A. (Environment Protection Agency)
- 2000
- Sakai Rinkai Plant and Sakai Plant earned the Certification of the Environmental Management System ISO14001
- Development of the 102.4mm stroke series 03M diesel engine
- Development of the 110mm stroke 4-valve direct-injection (E-CDIS) series (V3300DI, V3300DI-T)
- Development of the C-OHV gasoline engines GR130, GR170, and GR250
- Development of the water-cooled, 2-cylinder OHC type GZ engine series
- 2001
- Development of the water-cooled gasoline and dual (gasoline/LP gas) fuel engines in compliance with the U.S. LSI emission regulations
- 2002
- The 80th anniversary is celebrated from a start of production.
- Achievement of the 20 million accumulated engine production units.
- 2003
- Start emission regulation for LEMA (below 19 kW SI engine).
- Development of the New Super Mini 73.6mm stroke series diesel engines(Z602,D902).
- Development of the dual-fuel engine,DF972.
- Development of the 120mm stroke series(V3800,V3800DI-T).
Vertical type water-cooled 110mm stroke direct-injection diesel engine, V3300DI
Air-cooled slant cylinder OHV gasoline engine, GR170-G
Water-cooled gasoline and dual (gasoline/LP gas) fuel engines (WG/DF1005)
- 2005
- Start production of V3007-DI/V3307-DI
- 2006
- Start emission regulation for LEMA Tier1(below 19 kW CI engine)
- Start production of D1305
- 2008
- Establishment of Kubota Engine (SHANGHAI) Co.,Ltd..
- Start production of V2607-DI
- Start production of V6108
- 2009
- Start emission regulation for LEMA Tier2(below 19 kW CI engine)
- 2011
- Establishment of Kubota Engine (Thailand) Co.,Ltd..
- Achievement of the 25 million accumulated engine production units.
- Achievement of the 10 million accumulated diesel engine production units.
- Kubota diesel engines between 56 and 130 kW the first in the world to receive certification for CARB Tier4 Interim emission regulations.
- Start production of WG series dual fuel engines
- 2012
-
The 90th anniversary is celebrated from a start of production.
- Start emission regulations for EPA Interim Tier4 and EU Stage ⅢB（56-130 kW）.
- Start production of V3 series engines in compliance with the EPA/CARB Tier4 Interim, EU Stage ⅢB emissions standards.
- Start production of V6108 in compliance with the EPA/CARB Tier4 Interim, EU Stage ⅢB emissions standards.
- Start production in Kubota engine (Thailand) Co.,Ltd..
- Kubota diesel engines between 19 and 56 kW to receive certification for CARB Tier4 emission regulations.
- Establishment of Kubota Engine (WUXI) Co.,Ltd..
- 2013
- Start emission regulations for EPA/CARB Tier4（19-56 kW） and EU Stage ⅢB（37-56 kW）.
- Start production of Kubota 07 series engines in compliance with the EPA/CARB Tier4, EU Stage ⅢB emissions standards.
- Start production of Kubota 03 series engines in compliance with the EPA/CARB Tier4, EU Stage ⅢB emissions standards.
- Start production of Kubota 05 series engines in compliance with the EPA/CARB Tier4 emissions standards.
- 2014
- Start production in Kubota Engine (WUXI) Co.,Ltd..
- Expands Diesel Engine Line-Up by adding new Diesel Oxidation Catalyst (DOC) only option in compliance of EPA/CARB Tier4 (19-56 kW)
- Kubota diesel engines between 56 and 130 kW to receive certification for EPA/CARB Tier4, EU Stage IV emission regulations.
- 2015
- Start emission regulation for EPA Tier4（56 kW～）
- Start production of diesel engines between 56 and 130 kW in compliance with EPA/CARB Tier4, EU Stage IV emission standards.
- Start production of WG3800
- 2016
- P.T. KUBOTA INDONESIA marks one million horizontal diesel engines in Total Production.
- 2017
- Announcement of the New large displacement Diesel engine “KUBOTA 09 Series” development
- Tsukuba plant marks 5 million engine units in Total Production.
- Okajima plant 100th Anniversary
-
Kubota diesel engines below 19 kW has achieved certification for the EU Stage V emission regulation
- 2018
- Kubota develops large-displacement diesel engine for Chinese market
- The new Engine Research & Development facility officially opened.
- The new Engine Environmental Management & Promotion Department facility officially opened.
- 2019
- Start emission regulation for EU Stage V（56kW～）
-
Kubota becomes first Japanese winner of “DIESEL OF THE YEAR” with its new V5009 engine.
- 2020
- Announcement of the new 300HP,S7509 engine development
- Start production of V5009
Vertical type water-cooled diesel engine V3307-DI-T-E3B
Vertical type water-cooled diesel engine D1305-E3B
Vertical type water-cooled diesel engine V2607-DI-E3B
Dual fuel engine WG1605-E3
Vertical type water-cooled diesel engine V3800-CR-T-E4
Vertical type water-cooled diesel engine V2607-CR-T-E4
Vertical type water-cooled diesel engine V2403-CR-T-E4
Dual fuel engine WG3800-E3
The New large displacement Diesel engine “KUBOTA 09 Series”
The new Engine Research & Development facility
