Allison Transmission Offers a Special Campaign to Extend Warranty Periods in Bus Segment

Allison Transmission organizes a special campaign to extend the transmission warranty period to 5 years for intercity buses and coaches equipped with Allison fully automatic transmissions to be delivered by Turkish OEMs to European bus operators in 2021.

ISTANBUL, Turkey, February 2021 - Allison fully automatic transmissions currently come with a two-year standard warranty including 100% part and labor warranty based on model series and vocations. The standard warranty may involve mileage limitations for certain application series and vocations. Allison Transmission offers a new campaign to provide extended coverage for the buses that Turkish bus manufacturers will deliver in Europe as of January 2021. Allison Transmission offers a new campaign to provide extended coverage for the buses that ordered from Turkish bus manufacturers in Europe as of January 2021.Within scope of the 1-year campaign, the warranty period for the transmissions will be extended from two to five years regardless of mileage.

In addition to the proven reliability and durability, Allison fully automatic transmissions deliver high performance as well as long lasting economic life and low maintenance costs. Along with all the benefits, Allison sustains the company’s reliability commitment and supports bus fleets with its three-year free extended warranty campaign to be organized in 2021.

 “By extending the warranty period of Allison T series fully automatic transmissions to five years, we confirm confidence in the durability, reliability and performance of our products for our customers who offer public and intercity transportation services. In the bus segment, our users prefer Allison being aware of the benefits of fully automatic transmission. With our new campaign launched in Europe, we once again underline the advantages of Allison transmissions and their contribution to total cost of ownership,” said Atak Talas, Regional Director of Allison Transmission for Turkey and Middle East.

Thanks to this new extended warranty campaign, all Allison transmissions in the specification of Turkish OEM’s buses produced by such as Anadolu Isuzu, Karsan and Otokar will gain 100% part and labor warranty regardless of mileage. The campaign covering Allison T series fully automatic transmissions extends the warranty period by three years. Allison Approved TES 295® or the new TES 668TM transmission oils and Genuine Allison filters are required to be used in the transmissions within the warranty coverage so that the transmissions are eligible for the warranty.

Use of Allison approved TES 295® or the new TES 668TM transmission oils” extends the period between oil replacement intervals and increases transmission performance and durability. Allison approved oils can be used for longer periods without requiring a replacement and contribute to low operating costs. TES 295® oil has proven effectiveness and provides better friction performance, more consistent clutch and gear shifting. Genuine Allison Filters that are manufactured as per the factory specifications are supported by factory warranty.

The campaign, that will be available from January 1 to December 31, does not cover the stock vehicles that are previously manufactured and sold in 2021. Only vehicles that will be built 2021 with transmissions delivered to OEMs in 2021 will be within this program. Transmission and vehicle chassis number should be registered in Allison Transmission aftersales channels until December 31, 2021 in order to extend the warranty period of the transmissions that are eligible for the campaign by five years. For detailed information you may consult to your local OEM dealer.

Extended transmission warranty is provided by Allison authorized distributors and dealers. The closest Allison authorized distributor and dealer can be found by using sales and service locator tool at

Feb 16, 2021


Allison Transmission (NYSE: ALSN) is a leading designer and manufacturer of vehicle propulsion solutions for commercial and defense vehicles, the largest global manufacturer of medium- and heavy-duty fully automatic transmissions, and a leader in electrified propulsion systems that Improve the Way the World Works. Allison products are used in a wide variety of applications, including on-highway trucks (distribution, refuse, construction, fire and emergency), buses (school, transit and coach), motorhomes, off-highway vehicles and equipment (energy, mining and construction applications) and defense vehicles (tactical wheeled and tracked). Founded in 1915, the company is headquartered in Indianapolis, Indiana, USA. With a presence in more than 150 countries, Allison has regional headquarters in the Netherlands, China and Brazil, manufacturing facilities in the USA, Hungary and India, as well as global engineering resources, including electrification engineering centers in Indianapolis, Indiana, Auburn Hills, Michigan and London in the United Kingdom. Allison also has more than 1,400 independent distributor and dealer locations worldwide. For more information, visit