历史和传统

纵观我们悠久的历史，艾里逊变速箱始终是产品革新、创造以及持续推进新技术发展的领先者。我们的企业，自1915年由James Allison创立以来，数十年始终强劲而稳定地发展，我们已经创造出全自动变速箱。

从最初发明全球首个重型自动变速箱至今，我们仍是中重型全自动变速箱和混合动力系统的首个设计师、开拓者以及制造者。

我们的经验和优良传统使艾里逊这一品牌得到信任。请阅读以下内容，了解更多关于我们的历史和传统。

1872-1917
Origins Era

1917-1939
Flying Aces Era

1940-1945
World War II Era

1946-1969
Postwar Era

1970-1986
Detroit Era

1987-2008
Back to Indy Era

2009-2022
Era of Innovation

1872-1917: Origins Era

James Asbury Allison is born in Marcellus, Michigan, eight years before the Allison family moves to Indianapolis.

Noah Allison, James A. Allison’s father, starts the Allison Coupon Company.

The Indianapolis Cycling Club, later called the Zig-Zag Cycling Club, forms as a haven for cycling enthusiasts. Before the club merges with a larger cycling club in 1898, notable members include James A. Allison, Carl Fisher, Arthur Newby and championship bicycle racer Marshall “Major” Taylor, the club’s first African-American member.

An unexpectedly large turnout at The New York Auto Show inspires many entrepreneurs to create automobile manufacturing companies.

While still a vice president at the Allison Coupon Company, James A. Allison co-founds the Concentrated Acetylene Company with Carl Fisher and Percy Avery. Avery leaves the company two years later, and the company changes its name to Prest-O-Lite.

James A. Allison, Carl Fisher, Arthur Newby and Frank Wheeler purchase 320 acres of farmland west of Indianapolis and begin planning the Indianapolis Motor Speedway. Also this year, General Motors is founded by William “Billy” Durant, already a leading manufacturer of horse-drawn vehicles in Flint, Michigan.

Arthur Newby and Robert Hassler join James A. Allison and Carl Fisher in the creation of the short-lived Empire Motor Car Company, which is sold two years later to a group of investors. Also this year, to address durability and safety issues after initial racing caused drastic deterioration of the track, the Indianapolis Motor Speedway partners repave the original racetrack surface with 3,500,000 bricks. Plans are laid for an annual 500-mile race.

Planning begins on James A. Allison’s Riverdale mansion in Indianapolis, which would be added to the National Register of Historic Places some 60 years later.

The first Indianapolis 500 Mile Race takes place on Memorial Day with an estimated 80,000 spectators.

James A. Allison建立了Speedway Team 公司，以支持他在印第安纳波利斯500的赛车比赛。从最初，质量和工艺就奠定了公司经营理念的基础，“在这里凭我名义生产的任何一件产品，都需追求完美。”Jim Allison的这句话挂在车间的标志位置。Jim Allison同时也是1909年成立的Indianapolis Motor Speedway的四位创始人之一。

Union Carbide & Carbon Company purchases Prest-O-Lite, the acetylene-gas headlight company founded by James A. Allison and Carl Fisher, for $9 million. Also this year, Jim Allison commissions a machine shop at 1200 West Main Street in Speedway. The next year, he incorporates the Allison Experimental Company, essentially replacing the Indianapolis Speedway Team Company, which he will dissolve by 1920. Norman Gilman becomes the company’s chief engineer and shop superintendent.

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1917-1939: Flying Aces Era

在第一次世界大战宣布后的一天，Jim Allison命令他的Speedway Team公司停止一切与赛车相关的活动。他告知媒体，印第安纳波利斯500赛车比赛将被取消，直至战争结束。不久后，Speedway Team公司将其汽车工程技术应用到美国的战争需求。

James A. Allison’s racing team wins the Indianapolis 500, but entrepreneurial pursuits in aircraft and marine engines lead him to sell all his automobile interests. Using the Liberty engine as a model, Norman Gilman engineers the Allison Twelve engine for Jim Allison’s yacht.

Speedway Team公司更名为艾里逊工程公司。那时，艾里逊已经牢牢建立了其优良产品的美誉，公司同时受到美国飞机制造局对其“自由”（Liberty）飞机发动机的认可。

一战结束后不久，艾里逊工程公司就为美国“自由”飞机发动机生产精密减速传动装配，一种“V型驱动船用齿轮”，使得平装的发动机能够驱动游艇的角状支撑轴，四缸发电机组和12缸425马力大功率船用发动机。

艾里逊总经理兼首席工程师Norman H. Gilman研发了钢背铜质轴承，延长了美国军用飞机发动机的使用寿命。不久，艾里逊向全世界的飞机发动机制造商包括Pratt & Whitney， Rolls-Royce等提供了钢背轴承。使用 Allison的钢背轴承中最有名的一架飞机是Charles Lindbergh的圣路易斯精神号。1927年5月，Lindbergh成功飞跃大西洋的航行改变了人们对空运的原有看法。

应美国海军的要求，公司开始生产6缸直列柴油发动机，底部带有进气口，四排气值和一个罗茨式鼓风机。规定功率高达900马力.这一柴油发动机的研发为艾里逊的工程师提供了动力装置的经验，这些经验对他们未来有重要价值。全世界的柴油发动机生产商继续将艾里逊变速箱并入他们的动力传动系统中。

Jim Allison在55岁那年因支气管肺炎突然离世，葬于印第安纳波利斯的冠山公墓。艾里逊工程公司按照以下契约进行拍卖：购买者必须在印第安纳波利斯维持公司的资产和经营至少十年。截至目前，艾里逊变速箱的总部和主要制造基地仍在印第安纳波利斯。

通用汽车以40万美元的价格从Fisher Brothers手中购买了Allison工程公司，并指定Norman Gilman任总裁兼总经理。 Gilman认为公司应该发展一项主要产品，他领导团队设计了一款1000马力的液体冷却飞机发动机。怀疑者认为任何企业都无法完成这一任务。然而，时间证明他们是错的。

美国海军与艾里逊签署了一项合同，艾里逊负责设计、研发650马力级别的完全可逆柴油发动机，为其齐柏林( zeppelins)硬式飞艇提供动力。几年后，艾里逊所设计的发动机通过了初步安装和试飞实验。若不是美国海军齐柏林硬质飞艇Macon因机身结构错误在加利福尼亚海岸坠毁，他们就真的把所艾里逊设计的发动机装运至海军了。不久后，海军放弃了轻于空气的操作设备，但是艾里逊的柴油机工艺并没有丧失。通用公司那时并没有冒险生产柴油发动机，而是继续进行艾里逊工程师之前中止的工作。公司将许多工程师的设计理念并入其他通用公司的产品。

Norman Gilman retires, and O.T. Kreusser becomes general manager of Allison Engineering Company. Also this year, Plant 2 is completed.

Allison V1710 12 缸液冷航空发动机通过 150 小时验收试验，成为首个完成此项任务的 1000 马力美式发动机。Allison V1710 继续为美国陆军航空军多架著名战斗机提供动力，包括北美 P-51“野马”、洛克希德的 P-38“闪电”、寇蒂斯的 P-40“战鹰”（陈纳德飞虎队所使用）、贝尔 P-39“空中眼镜蛇”和许多其他机型.

建造发动机和维修部件仅为工作的一部分。艾里逊工厂安装的复杂产品还需要恰当地操作、检修和维护。培训飞行员、工程师、技工以及其他人员配备都要求艾里逊为军事和商业操作者开发用户服务渠道。

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1940-1945: World War II Era

In March, the Allison Division of General Motors receives contracts from the U.S. Army Corps, Great Britain, China and France for engines. Also this year, Fred C. Kroeger becomes General Manager after O.T. Kreusser retires in February.

欧洲爆发战争，艾里逊的V1710's、V3420's及其变体均被用于支持美国陆军航空集团和国家的盟国空军。

The Allison Division of General Motors boosts production of V1710 engines for Allied airplanes fighting in England, Africa and China. Plant 5, a 2 million-square-foot production plant in the Indianapolis neighborhood of Maywood, is completed after only three months and 27 days of construction. Also this year, Allison is presented with the Army-Navy “E” Award for exceptional performance and patriotism on the home front, the first of four by war’s end.

As women join the workforce to support the war effort, the Allison Division of General Motors reaches a record number of female employees, more than 30% of the total workforce. Production at Allison peaks at approximately 3,000 engines a month, and employment reaches an all-time high of 23,019. On November 17, Allison’s V3420 engine makes its first flight in a P-75 Eagle. E.B. Newill is named General Manager of the Allison Division after Kroeger falls ill.

1944年3月，艾里逊制造了第5万台V1710发动机。

World War II comes to an end. Orders for V-1710 engines are canceled. Yet in August the Allison Division of General Motors announces to the press the company’s intention to keep 80% of the workforce. Innovative projects, like a new marine gear requested by the U.S. Navy for barges powered by Detroit Diesel engines, are explored for further development.

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1946-1969: Postwar Era

艾里逊开始为底特律柴油公司进行船用齿轮减速系统的生产，并进军商用变速箱领域。同时，诞生了用于非公路操作的第一代全自动变速箱，它们支持道路重建、桥梁建设和其他与马歇尔计划以及重建相关的活动。

在20世纪40年代中期，艾里逊引领交通技术的名誉凭借公司第一代军用坦克变速箱 CD-850的设计、研发和制造而继续延伸。它结合了著名的M46巴顿战斗坦克和其他军事履带车辆的优点。

第一个艾里逊“V”（角传动）变速箱配送给通用汽车的卡车和长途旅游车部门。30多年来，安装了艾里逊变速箱的通用汽车的公交车在整个北美已经运送了几百万的乘客。直到20世纪80年代末，在北美的许多地方，通用汽车新面貌公交车还在继续使用“V”型号变速箱。最后一个“V”变速箱是1976年制造的。

As production shifts to transmissions and locomotive parts, the Allison Division of General Motors designs Powershift transmissions for the Euclid Road Machinery Company’s 40-ton diesel-powered mining trucks. Their requirements — 400 horsepower in twin-engine installations of 200 horsepower each — cannot be reached through manual transmissions.

第一个轨道变速箱制造出来，并安装在Budd轨道车上，Budd轨道车的设计是为了使现有的轨道线路和地铁设施能够乘载大量的通勤者。 20世纪后半期，像纽约、芝加哥和波士顿这样的城市在他们的地铁系统中均使用了颜色明亮的铝制Budd轨道车。

As the Korean War begins, the Allison Division of General Motors makes significant durability improvements to turbojets such as the J31, J33 and J35 and receives orders from Martin Aircraft Company and Boeing to retrofit their plane engines to the Allison T40 turboprop. Plant 7 on Northwestern Avenue is leased for production of tank transmissions. Also this year, an Allison-powered plane strikes down the first North Korean MiG-15.

On January 15, ground is broken for an administrative building at Plant 3, which still stands as the Allison Transmission Global Headquarters.

第一万台履带军用变速箱配送到美国军方

为满足Clark装备公司的需求，艾里逊将其变速箱的技术应用到前端式装载机和叉式升降卡车上。

Maintaining a hold in diversified markets, the Allison Division of General Motors builds 161 Torqmatic transmissions for Budd Rail Diesel Cars and two new transmissions, the TG627 and the TG647, known as the Oilfield Specials. In September, Allison introduces the CRT5530, a new Torqmatic transmission for crawler tractors. Euclid’s new TC12 twin crawler tractor marks General Motors’ entry into the crawler market.

The commercial automatic V-drive for buses receives a major refinement: insertion of a two-speed planetary input splitter gear to allow quicker acceleration.

艾里逊制造了新的公路用自动变速箱，采用四元素液力变扭器，六个前进挡和一个倒挡。通用汽车公司，福特汽车公司和Dodge商用卡车公司均在其车辆上装配了艾里逊变速箱。

The Allison Division of General Motors introduces the VH unit, a member of the V-line transmissions, with hydraulic and direct clutches. Reo and Dodge join Chevrolet and list Allison’s MT25 transmission as an option for their heavy-duty truck lines.

第一百万台艾里逊商用变速箱面世

在艾里逊，商用和军用车辆的全自动变速箱的研发和制造仍在不断改进。较大型非公路卡车（40—65吨）需要对现有的变速箱进行不断地升级。这些新型重卡将在采矿业、建筑拓展和城市发展中扮演重要角色。其他的艾里逊变速箱，例如 CT-3340™， CLBT-4460™和HT-70™，为重型交通运输行业提供运输方案把消费品产品运往世界各地，。

In a year marked by growth, the Allison Division of General Motors announces two new transmissions (the CLBT6060 heavy-duty Torqmatic and the TT2000 hydro-powershift) and receives two substantial military contracts for CD850 transmissions, which are installed in M60 tanks, as well as a contract to develop the XTG411 for M578 recovery vehicles and self-propelled gun carriages.

In the year that sees the first production contract for the TX100 transmission, the Allison Division of General Motors ships the first pressure tanks for the Apollo Command and Service Module (CSM), and the Lunar Excursion Module (LEM). A total of 142 are manufactured over the course of five years. Apollo 7 through Apollo 17 all incorporate Allison Division propellant tanks, including Neil Armstrong’s historical lunar landing mission in Apollo 11.

General Manager Harold Dice undertakes division-wide reorganization and consolidation of the Allison Division of General Motors in September, garnering facility and personnel efficiencies between locomotive parts, bearings and aerospace.

艾里逊变速箱继续扩大其在美国军事领域的市场份额。不仅为比其他任何公司提供更多“履带和轮式”车辆动力，同时也开始扩大其在盟军中的占有量。艾里逊在这一时期，接受了美国/德意志联邦共和国主战坦克项目奖4400万美元。

Harold Dice retires in September and Reuben R. Jensen is appointed General Manager at the Allison Division of General Motors.

After celebrating its 40-year anniversary as a division of General Motors, Allison announces the new four-speed AT540, the first automatic transmission for medium-duty trucks.

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1970-1986: Detroit Era

与底特律柴油机公司合并形成底特律柴油机艾里逊分部，总部位于底特律。AT 540™是艾里逊专门为比乘用车对上的一个级别大小的车辆而研发的第一台自动变速箱。基于AT变速箱的设计，一台较重的MT（中型卡车）变速箱也同时诞生。这两款变速箱为整个北美成千上万的乘用车和卡车提供动力。

A new divisional trademark featuring “spinning arrows” is announced by the Detroit Diesel Allison Division’s General Sales Manager Emmet B. Lewis in February.

On May 15, 38 new Chevrolet Series 50 and 60 trucks equipped with AT540 transmissions tour the Indianapolis Speedway in Detroit Diesel Allison Division’s first “Driveaway,” a publicity event showcasing vehicles equipped with Allison transmissions. These demonstrations, known as “Ride & Drives” continue today.

当全自动变速箱被美国陆军作为标准动力传动系配置而应用于所有卡车时，在美国军用车领域的转折点出现了。

艾里逊第12号工厂的建筑展开了，这使它成为二战后艾里逊在印第安纳波利斯市最大的单一设施建筑。

“V”730™——1950年以来第一台新型交通长途车变速箱诞生。最终，该变速箱为整个北美不计其数的城市公交车提供动力。

Although Detroit Diesel Allison Division builds the last "V" transmission in 1976, General Motors New Look buses continue to operate with the "V" transmission in parts of North America through the late 1980s.

In May, two new transmissions are added to the product line: the TT3000, a “soft-shift” transmission used in 150 to 250 horsepower engines, and an MT643/653DR automatic transmission for use with large-bore gasoline and mid-range diesel engines.

An engineering application center in Rotterdam, Netherlands, opens to serve the emerging European market. Allison receives new U.S. military contracts, announces the CLBT9680 Powershift Transmission and produces the 250,000th AT-MT-HT transmission. To allow space for the X1100-3B automatic transmission, an addition to Indianapolis Plant 12 (to be called Plant 14) is built. Also this year, when James E. Knott retires, Donald J. Atwood is named General Manager.

In April, a new automatic transmission, the AT545, providing four forward speeds and one in reverse, comes off the assembly line, offering significant advantages for the worldwide medium-duty truck market.

第一代HT 747™变速箱为铰链式城市公交车设计和制造。

通用汽车公司把底特律柴油机艾里逊分部从艾里逊燃气涡轮（AGT）分离出来。AGT成为一家独立的公司，直到后来被劳斯莱斯公司收购。CLT9880™变速箱诞生。该产品专门用在石油和天然气的开采中。

DP-8962™变速箱诞生，用于煤炭运输车辆

In March, the Detroit Diesel Allison Division announces the signing of a license agreement with the China National Automotive Industry Import and Export Corporation for the manufacture of a range of heavy-duty, off-highway transmissions designated as the CLBT700, CLBT5/6000, and DP8000.

Allison’s first X200 military transmissions are released in June. On March 7, the Detroit Diesel Allison Division builds the 1,500,000th Allison commercial transmission, an MT653 automatic.

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1987-2008: Back to Indy Era

Robert M. Clark Jr.在1980到1983年间担任印第安纳波利斯运营总经理。1987年，通用汽车公司决定让艾里逊恢复全部门状态，因此这一机构从DDA中分离出来。通用汽车公司董事长Roger B. Smith提出硬性要求，要求艾里逊变速箱分部的新任总经理必须具备变速箱方面的工作经验，且曾担任过通用汽车公司的总经理。Robert M. Clark Jr. 不仅符合这一重要标准，而且他在艾里逊的第一段工作生涯中已经建立了突出的领导业绩。1987年12月，Clark先生接受了艾里逊变速箱分部总经理这一职务。

AT 542™变速箱是为A级房车制造的。在北美，基于这一变速箱而延伸出来的产品为大量A级房车提供动力。

Transallison, a joint venture company between General Motors do Brasil and Moto Pecas, located in Sorocaba, Brazil, releases its first units of automatic transmission for commercial vehicles. Construction begins on the World Transmission Facility in Indianapolis. Eighteen years after its first Ride and Drive demonstration fleet in 1971, Allison Transmission expands the exhibition outside the U.S. with a nine-nation tour that begins in Madrid, Spain, and ends in Edinburgh, Scotland.

Allison announces a new transmission — the VR731 — for intercity buses on January 25. On August 1, Laurie Tuttle becomes Chief Engineer of Product Assurance Engineering, the first woman at Allison Transmission to hold the position. On September 8, Allison celebrates 75 years in business with an open house and events that draw over 18,000 guests, including employees, their families, customers, suppliers and other members of the Allison community.

在1991年逐步引进后， World Transmission™（WT）不仅为艾里逊在其成熟的美国，同时也在欧洲、亚太平洋地区以及拉丁美洲的市场提供了更具竞争力的产品线。艾里逊宣布将在印第安纳波利斯市进行生产制造WT。

On February 19, an AT545 transmission is installed in the world's first fuel-cell-powered city bus. On May 22, Allison Transmission produces the 10,000th X1100 Abrams Tank transmission.

1994年，在Bob Clark退休后，John Smith被任命为艾里逊变速箱公司总经理。Smith在为公司的每个主要市场上新的商业战略发挥了重要作用；这些新的商业战略使艾里逊在接下来的数年中获益匪浅。艾里逊的全面制造理念也在他的领导下得到修订，因此降低了产品的制造成本、提高了生产质量和产品装配效率。在这段时间，艾里逊同时着手研发通用艾里逊混合公交车/卡车项目的先驱产品。一个缩小版的 EP40/50 变速箱在雪佛兰、凯迪拉克以及GMC的产品中均有体现。

June marks the last production X1100-3B transmission built, totaling 11,300 units produced since production began in 1979. Production will resume again in 1999. Also this year, using the Quality Network Suggestion Program, Allison Transmission saves more than $4 million, with a total of 1,686 suggestions from employees.

On April 22, Allison Transmission workers build and ship the first AT545R Series transmission equipped with an input retarder. On December 31, Allison announces record sales of 126,200 transmissions for 1995, with revenues of $890 million.

在John Smith晋升为通用汽车公司副总裁后，Daniel M. Hancock被任命为艾里逊变速箱凯迪拉克汽车分部的总裁。Hancock先生在艾里逊第一段经历是在1983年，那时他是底特律柴油机艾里逊分部的首席工程师。随后，在成为通用汽车动力系统变速箱工程的总监之前，他担任过众多首席工程师的职位，包括在雪佛兰、庞蒂克和加拿大通用汽车公司。

Allison Transmission showcases electric hybrid shuttle testing at the Detroit International Auto Show on January 12. Also this year, Allison acquires 13 patents, a 30 percent increase over the average amount of patents awarded yearly to the General Motors Division.

向纽约市运输局展示 GM/Allison 混合动力巴士项目。

在Daniel M. Hancock成为菲亚特通用动力总成的首席执行官后，Lawrence E. Dewey被任命为艾里逊变速箱分部总裁。Dewey先生在艾里逊变速箱分部成为分部总裁之前担任过很多职务。他曾在运营部门做加工和热处理的区域经理，零部件营销经理、后市场产品经理、市场经理以及美国中部销售经理。1994年5月，他成为艾里逊变速箱位于荷兰的欧洲B.V.总经理，他在那里负责欧洲、中东和非洲的公路和非公路商用产品的市场、销售、服务以及产品流通。1997年4月，他成为艾里逊的市场、销售和服务的国际总监。

艾里逊变速箱公司与通用汽车动力总成分部合并。通用汽车动力总成为通用的车辆以及其他车辆、海洋和工业的OEM设计制造发动机、变速箱、铸件以及零部件。同样在2003年，第一台 EP 40™/EP 50™商用混合动力系统制成。

Allison phases out hydraulic transmissions and transitions to electronically-controlled products exclusively. Worldwide demand for Allison products prompts the company to expand operations in Hungary.

In November, GM announces that it plans to divest Allison Transmission, and the bidding process follows soon afterward. Five groups of private investment firms participate. Also this year, the military awards Allison with a contract to upgrade the X200-4A transmissions used in M113 armored personnel vehicles.

Carlyle集团和 Onex公司以56亿美元的价格从通用汽车公司收购了艾里逊变速箱。Lawrence E. Dewey任董事长兼首席执行官。艾里逊变速箱公司生产出第五百万台商用变速箱。

On September 23, 12,000 Beijing city buses running on Allison transmissions transport athletes, press and spectators to competition venues during the summer Olympic Games. Also this year, Allison receives its first “Zero Waste to Landfill” (ZWTL) certification for preventing all manufacturing waste from entering landfills for Indianapolis satellite facilities. The main campus becomes ZWTL in 2009.

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2009-2022: Era of Innovation

艾里逊接受了能源部（DOE）成本共享权6280万美元，生产商用卡车混合动力系统。H3000 ™ 最初的生产计划在2013年开始。

艾里逊变速箱在印度Chennai的生产工厂以及区域销售办公室成立营业。不久后，艾里逊在Chennai的定制及配送中心也开始营业。同样在2010年，艾里逊在印第安纳波利斯第四工厂生产了第一百万台1000™ /2000™系列全自动变速箱。

2011年3月，艾里逊变速箱股份有限公司向美国证券交易委员会提交了S-1登记表，开始进入进行首次公开募股的程序。同年，艾里逊变速箱公司在Szentgotthard开设了匈牙利制造厂。该工厂为公司的欧洲和新兴市场的客户生产3000™， 4000™和Torqmatic™ Series™全自动变速箱。

3 月 15 日，Allison Transmission 控股有限公司成为上市公司，在纽约证券交易所开始股票交易，股票代号 ALSN。在公开发售之时，Allison Transmission 首次公开募股 (IPO) 数量为 2010 年第三季度以来美国工业 IPO 之最。公司董事长、总裁和首席执行官 Lawrence E. Dewey 通知投资者，公司将发挥“持之以恒”精神，继续实现多项重点战略目标：扩大全球市场领导力，增加新兴市场渗透，专注于新技术和产品发展，并实现强劲的财务业绩.

Allison TC10™ 加入北美地铁牵引车市场。TC10™ 是动力换挡双中间轴变速器，在不同的工作循环之间提供提高后的燃料效率，优化加速。在转变成市区范围内的产品运载车辆之前，地铁牵引车通常在公路上穿梭。Allison 可靠的液力变矩器技术为常规路线上的移动车辆提高了生产力和燃料效率，10 档中间轴结构在公路巡航中可出色地节约燃料.

The Carlyle Group and Onex Corporation divest their interests in Allison Transmission. As part of Project ETHOS, an ultra-low carbon powertrain program created by Cummins, Inc., to demonstrate the potential of alternative fuels, Allison collaborates with Cummins to develop new integrated stop-start technology for medium-duty commercial vehicles. Also this year, a wholly-owned facility in Sliedrecht, Netherlands, opens to better serve customers across Europe, the Middle East and Africa.

On September 12, Allison Transmission honors the company’s centennial with a day-long celebration including plant tours and history-focused festivities.

An updated model for the M1 Abrams tank, X1100-3B1, is released, and a new Joint Light Tactical Vehicle equipped with an Allison 2500 Specialty Series enters production.

Allison Transmission’s xFE models, with optimized gear ratios coupled with FuelSense packages, are released to further improve fuel economy. Also this year, 9826 and 9832 Oil Field Series models are released. Demand for the 5th Generation Electronic Controls exceeds 1 million units, and Allison’s 1,000th patent is awarded.

David S. Graziosi, who has extensive experience in finance and multinational manufacturing, begins his tenure as Director, President and Chief Executive Officer, replacing Lawrence E. Dewey, who retires as the longest-serving executive in Allison Transmission’s history. Also this year, Allison produces its 7 millionth transmission.

Allison acquires the electric vehicle systems division of AxleTech as well as London-based electrification and digital connected services startup, Vantage Power. In September, Allison announces its acquisition of Walker Die Casting, a critical aluminum die cast industry supplier, and opens a purpose-built facility in Auburn Hills, Michigan, to support the design, production and testing of potential electric axle technology.

The Vehicle Electrification + Environmental Test Center opens on Allison’s Indianapolis campus, allowing seasonally independent and power-agnostic testing. Allison announces eGen Flex, a revolutionary electric hybrid solution that allows fully electric propulsion for up to 10 miles, as well as the 3414 Regional Haul Series. In October, Allison begins rolling out its comprehensive portfolio of eGen Power fully electric axles.

Allison Transmission partners with leading Chinese electric propulsion solution provider Jing Jin Electric. Allison expands its off-highway portfolio by launching both the FracTran, a revolutionary hydraulic fracturing transmission, and TerraTran for construction and mining applications, in addition to acquiring the off-highway portion of India-based AVTEC Technologies.

Allison opens its latest state-of-the-art facility in Indianapolis. The Innovation Center supports collaboration, digital engineering and simulation technology to advance Allison’s vision to Improve the Way the World Works.

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