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{{Short description|American Diesel engine manufacturer}}
{{Distinguish2|[[Isuzu D-Max]] pickup truck}}
{{distinguish|text=[[Isuzu D-Max]] pickup truck}}
{{Infobox company
| name = DMax Ltd.
| logo = Dmax engines logo.png
| logo_size = 170
| type = [[Joint venture]]
| industry = [[Automotive industry|Automotive]]
| fate =
| predecessor = <!-- or: | predecessors = -->
| successor = <!-- or: | successors = -->
| founded = {{start date and age|1997}}
| founder = <!-- or: | founders = -->
| defunct = <!-- {{End date|YYYY|MM|DD}} -->
| hq_location_city = [[Dayton, Ohio]]
| hq_location_country = [[United States]]
| area_served = United States
| key_people =
| products = [[Diesel engine]]s
| owners = [[General Motors]]
| num_employees =
| num_employees_year = <!-- Year of num_employees data (if known) -->
| parent =
| website = {{URL|https://www.dmaxengines.com/|dmaxengines.com}}
}}
'''DMAX''' is an American manufacturer of the [[Duramax V8 engine|Duramax V8]] [[diesel engine]]s for [[truck]]s, based in [[Dayton, Ohio]]. Engine production began in [[Moraine, Ohio]] in 2000.


==History==
'''DMAX''' of [[Moraine, Ohio]] is a manufacturer of [[Diesel]] engines for [[truck]]s.Originally A [[joint venture]] between [[General Motors Corporation|General Motors]] and [[Isuzu Motors]], the formation of DMAX was announced in December of [[1998]]. General Motors acquired a majority stake of the venture in [[2003]], including all engine designs. The company's [[GM Duramax engine|Duramax V8 engine]] has been extremely successful for GM.
DMAX originally was announced in 1997<ref>[https://www.dmaxengines.com/history/ History] on DMax website</ref> as a 60-40 [[joint venture]]<ref>{{cite web|title=DMAX Marks 10-Year Manufacturing Milestone|url=http://media.gm.com/media/us/en/gm/home.detail.html/content/Pages/news/us/en/2010/Aug/0820_dmax.html|publisher=GM|access-date=23 September 2017}}</ref> between and operated by [[General Motors]] and [[Isuzu]]. Diesel engine production started in July 2000.<ref>{{cite web|title=Corporate History|url=http://www.isz.co.jp/en/company/history.html|website=www.Isuzu.co.jp|publisher=Isuzu Motors|access-date=23 September 2017|archive-date=24 September 2017|archive-url=https://web.archive.org/web/20170924001632/http://www.isz.co.jp/en/company/history.html|url-status=dead}}</ref> The company's [[Duramax V8 engine]] has been extremely successful for GM, raising that company's diesel pickup market share to 30% in 2002, up from approximately 5% in 1999.<ref>{{cite web|title=GM-Isuzu Duramax Diesel Joint Venture At Risk? (22 Dec 2009)|url=http://news.pickuptrucks.com/2009/12/report-gmisuzu-duramax-diesel-joint-venture-at-risk.html|website=Pickuptrucks.com|access-date=23 September 2017}}</ref>


The DMAX plant was built in [[Moraine, Ohio|Moraine]] on a land grant site adjacent to a GM plant that made the [[Detroit Diesel V8 engine#6.2 liter|6.2/6.5&nbsp;L Diesel V8]] designed by [[Detroit Diesel]]. Production of that engine began in 1982. The DMAX Moraine plant was completed in 1999,<ref name=TRH-2023/> next to [[Moraine Assembly]], which shut down in 2008.<ref>{{cite news |url=https://www.daytondailynews.com/business/new-70m-engine-big-boost-duramax/KVMb98rcglOxtW2fU37eVM/ |title=GM's new $70M engine a big boost to Duramax |first=Thomas |last=Gnau |date=September 16, 2009 |newspaper=Dayton Daily News |access-date=15 January 2024 |url-access=subscription}}</ref><ref>{{cite news |url=https://www.nytimes.com/2008/12/24/business/24auto.html |title=Nearly the End of the Line for S.U.V.'s |first1=Nick |last1=Bunkley |first2=Bill |last2=Vlasic |date=December 23, 2008 |newspaper=The New York Times |access-date=15 January 2024 |url-access=subscription}}</ref> The DMAX Moraine plant added 80 workers in 2005.<ref>{{cite news |url=https://www.newspapers.com/newspage/410995254/ |title=Third shift at Moraine plant set to end July 17 |date=February 22, 2006 |newspaper=Dayton Daily News |page=6 |author=Stewart, Chris |access-date=15 January 2024}}</ref>
Prior to the founding of the DMAX venture, the Moraine plant produced GM's 6.5&nbsp;L Diesel V8. Production of that engine began in [[1982]].


The plant is planning to increase production from 580 engines a day, in 2017, to 700 engines a day.<ref>{{cite news|last1=Navera|first1=Tristan|title=GM, Isuzu hit the gas on expansion of engine production at joint factory|url=https://www.bizjournals.com/dayton/news/2017/04/11/gm-isuzu-hit-the-gas-on-expansion-of-engine.html|access-date=23 September 2017|work=The Dayton Business Journal|date=11 Apr 2017}}</ref> To further expand production, in 2019, GM began construction of a new DMAX plant in [[Brookville, Ohio|Brookville]], which would send machined engine components to Moraine for final assembly. Completed engines were shipped from Moraine to [[Flint, Michigan]] for assembly into vehicles.<ref>{{cite news |url=https://www.daytondailynews.com/business/and-dmax-announce-new-175-million-plant-thursday/nCvXwvaJIAsHaEPqCSYwxI/ |title=It's official: GM is building a $175 million DMAX plant in Brookville |first=Thomas |last=Gnau |date=November 21, 2019 |newspaper=Dayton Daily News |access-date=15 January 2024 |url-access=subscription}}</ref> The Brookville plant opened in 2021.<ref name=TRH-2023>{{cite news |url=https://www.registerherald.com/2023/11/24/dmax-diesel-engine-business-growing/ |title=DMAX diesel engine business growing |first=Terry |last=Baver |date=November 24, 2023 |work=The Register-Herald |access-date=15 January 2024}}</ref> {{as of|2023|11}}, the daily component production at the Brookville and Moraine plants are 418 blocks and 324 heads; and 500 blocks, 1,440 heads, and 855 crankshafts, respectively. Moraine produces 882 completed engines per day.<ref name=TRH-2023/>
⚫
==DMAX Engines==

⚫
* [[Circle L engine]] - 1.7&nbsp;L [[Straight-4|I4]] (produced at [[Isuzu Motors Polska]])
According to financial filings, Isuzu wound down its investment in DMAX in May 2022,<ref name=TRH-2023/> leaving the company wholly owned by GM. In June 2023, GM announced plans to shift Duramax V8 production from Moraine to an expanded Campus Boulevard plant in Brookville by 2025.<ref name=DMAX-2023>{{cite news |url=https://www.daytondailynews.com/local/gms-920-million-dmax-expansion-in-brookville-means-eventual-closure-or-new-use-of-moraine-plant/6M32EZVMG5CDTK5XC7XLXFVD5A/ |title=GM's $920M DMAX expansion in Brookville means closure (or new use) of Moraine plant |first=Thomas |last=Gnau |date=June 16, 2023 |newspaper=Dayton Daily News |access-date=15 January 2024 |url-access=subscription}}</ref>
* [[DMAX V6 engine]] - 3.0&nbsp;L [[V6]] (produced in [[Fujisawa]], [[Japan]])

* [[Duramax V8 engine]] - 6.6&nbsp;L [[V8]] (produced at DMAX)
⚫
==Engines==
⚫
* [[Duramax V8 engine]] – 6.6&nbsp;L [[V8 engine|V8]] (produced at DMAX)
Completed engines are built for the GMC Sierra, Chevrolet Silverado, and Navistar trucks. Short blocks are produced for Gale Banks Engineering, who complete the engines for the [[Joint Light Tactical Vehicle]], and marine fishing boats.<ref name=TRH-2023/>

===Other Duramax-branded engines===
General Motors produced multiple diesel engines under the Duramax brand, but these were not built in Moraine. DMAX, Ltd. exclusively produces the Duramax V8.

{|class="wikitable" style="font-size:100%;text-align:center;"
|+Other GM Duramax-branded diesel engines
! Name !! Displacement !! Configuration !! Based on !! Produced !! Location
|-
! [[Circle L engine]]
| 1.7&nbsp;L || [[Straight-4|I4]]
| [[Isuzu]] [[List of Isuzu engines#4EE2|''4EE2'']]
| 1999–2014? || [[Isuzu Motors Polska]]
|-
! [[Duramax I4 engine]]
| 2.8&nbsp;L || [[Straight-4|I4]]
| [[VM Motori]] [[List of VM Motori engines#A 428 DOHC|''A&nbsp;428'']]
| 2015–2022 || [[General Motors Thailand|GM Rayong in Thailand]]
|-
! [[Duramax I6 engine]]
| 3.0&nbsp;L || [[I6 engine|I6]]
| [[Isuzu]] [[List of Isuzu engines#6DE1|''6DE1'']]
| 2001–2010? || [[Fujisawa, Kanagawa]], [[Japan]]
|}

==References==
{{Reflist}}

==External links==
* {{official website}}

{{General Motors}}

{{DEFAULTSORT:Dmax (Engines)}}
[[Category:General Motors factories]]
[[Category:General Motors factories]]
[[Category:Isuzu]]
[[Category:Isuzu]]
[[Category:Joint ventures]]
[[Category:Diesel engine manufacturers]]
[[Category:Companies based in Dayton, Ohio]]
[[Category:1998 establishments in Ohio]]
[[Category:Engine manufacturers of the United States]]

Latest revision as of 13:36, 29 July 2024

Not to be confused with Isuzu D-Max pickup truck.
DMax Ltd.
Company typeJoint venture
IndustryAutomotive
Founded1997; 27 years ago (1997)
Headquarters
Dayton, Ohio
,
United States
Area served
United States
ProductsDiesel engines
OwnersGeneral Motors
Websitedmaxengines.com

DMAX is an American manufacturer of the Duramax V8 diesel engines for trucks, based in Dayton, Ohio. Engine production began in Moraine, Ohio in 2000.

History

[edit]

DMAX originally was announced in 1997[1] as a 60-40 joint venture[2] between and operated by General Motors and Isuzu. Diesel engine production started in July 2000.[3] The company's Duramax V8 engine has been extremely successful for GM, raising that company's diesel pickup market share to 30% in 2002, up from approximately 5% in 1999.[4]

The DMAX plant was built in Moraine on a land grant site adjacent to a GM plant that made the 6.2/6.5 L Diesel V8 designed by Detroit Diesel. Production of that engine began in 1982. The DMAX Moraine plant was completed in 1999,[5] next to Moraine Assembly, which shut down in 2008.[6][7] The DMAX Moraine plant added 80 workers in 2005.[8]

The plant is planning to increase production from 580 engines a day, in 2017, to 700 engines a day.[9] To further expand production, in 2019, GM began construction of a new DMAX plant in Brookville, which would send machined engine components to Moraine for final assembly. Completed engines were shipped from Moraine to Flint, Michigan for assembly into vehicles.[10] The Brookville plant opened in 2021.[5] As of November 2023, the daily component production at the Brookville and Moraine plants are 418 blocks and 324 heads; and 500 blocks, 1,440 heads, and 855 crankshafts, respectively. Moraine produces 882 completed engines per day.[5]

According to financial filings, Isuzu wound down its investment in DMAX in May 2022,[5] leaving the company wholly owned by GM. In June 2023, GM announced plans to shift Duramax V8 production from Moraine to an expanded Campus Boulevard plant in Brookville by 2025.[11]

Engines

[edit]

Completed engines are built for the GMC Sierra, Chevrolet Silverado, and Navistar trucks. Short blocks are produced for Gale Banks Engineering, who complete the engines for the Joint Light Tactical Vehicle, and marine fishing boats.[5]

Other Duramax-branded engines

[edit]

General Motors produced multiple diesel engines under the Duramax brand, but these were not built in Moraine. DMAX, Ltd. exclusively produces the Duramax V8.

Other GM Duramax-branded diesel engines
Name Displacement Configuration Based on Produced Location
Circle L engine 1.7 L I4 Isuzu 4EE2 1999–2014? Isuzu Motors Polska
Duramax I4 engine 2.8 L I4 VM Motori A 428 2015–2022 GM Rayong in Thailand
Duramax I6 engine 3.0 L I6 Isuzu 6DE1 2001–2010? Fujisawa, Kanagawa, Japan

References

[edit]
  1. ^ History on DMax website
  2. ^ "DMAX Marks 10-Year Manufacturing Milestone". GM. Retrieved 23 September 2017.
  3. ^ "Corporate History". www.Isuzu.co.jp. Isuzu Motors. Archived from the original on 24 September 2017. Retrieved 23 September 2017.
  4. ^ "GM-Isuzu Duramax Diesel Joint Venture At Risk? (22 Dec 2009)". Pickuptrucks.com. Retrieved 23 September 2017.
  5. ^ a b c d e Baver, Terry (November 24, 2023). "DMAX diesel engine business growing". The Register-Herald. Retrieved 15 January 2024.
  6. ^ Gnau, Thomas (September 16, 2009). "GM's new $70M engine a big boost to Duramax". Dayton Daily News. Retrieved 15 January 2024.
  7. ^ Bunkley, Nick; Vlasic, Bill (December 23, 2008). "Nearly the End of the Line for S.U.V.'s". The New York Times. Retrieved 15 January 2024.
  8. ^ Stewart, Chris (February 22, 2006). "Third shift at Moraine plant set to end July 17". Dayton Daily News. p. 6. Retrieved 15 January 2024.
  9. ^ Navera, Tristan (11 Apr 2017). "GM, Isuzu hit the gas on expansion of engine production at joint factory". The Dayton Business Journal. Retrieved 23 September 2017.
  10. ^ Gnau, Thomas (November 21, 2019). "It's official: GM is building a $175 million DMAX plant in Brookville". Dayton Daily News. Retrieved 15 January 2024.
  11. ^ Gnau, Thomas (June 16, 2023). "GM's $920M DMAX expansion in Brookville means closure (or new use) of Moraine plant". Dayton Daily News. Retrieved 15 January 2024.
[edit]
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