New Mercedes-Benz city bus for Argentina is equipped with a fully automatic Allison transmission
24th July 2017

Omnibus OF1621 features an Allison T270R with a retarder for extending brake life

BUENOS AIRES, Argentina – Mercedes-Benz and its official Argentinian dealer COLCAR have developed a new bus, equipped with an Allison Transmission, for public passenger transport. The Omnibus OF1621 Euro V features an Allison fully automatic T270R transmission, with retarder, and a Mercedes-Benz OM 924 LA front engine with 218 hp (160 kW) and 800 Nm torque.

The inclusion of the transmission’s hydraulic retarder will help bus fleets reduce downtime by increasing brake life by up to four times.

High res image – Allison T270R, with retarder, for extending brake life

High res image – The Omnibus OF1621 Euro V features an Allison fully automatic T270R transmission, with retarder and a Mercedes-Benz engine.

High res image – The Omnibus OF1621 Euro V has been developed by Mercedes-Benz, COLCAR and Allison Transmission, represented in this photo by: Roberto Larossa, Allison Transmission, Roberto Pachame, Mercedes-Benz, Evado Oliveira, Allison Transmission, Daniel Dobrilovich, COLCAR

About Allison Transmission

Allison Transmission (NYSE: ALSN) is the world’s largest manufacturer of fully automatic transmissions for medium- and heavy-duty commercial vehicles, and is a leader in hybrid-propulsion systems for city buses. Allison transmissions are used in a variety of applications including refuse, construction, fire, distribution, bus, motorhomes, defense and energy. Founded in 1915, the company is headquartered in Indianapolis, Indiana, USA and employs approximately 2,600 people worldwide. With a market presence in more than 80 countries, Allison has regional headquarters in the Netherlands, China and Brazil with manufacturing facilities in the U.S., Hungary and India. Allison also has approximately 1,400 independent distributor and dealer locations worldwide. For more information, visit