Allison is the largest producer of hybrid bus transmissions in the world and leads the way in all types of hybrid propulsion systems.
Allison Transmission Hybrid Series incorporates the H 40/50 EP™ hybrid systems. The Hybrid series is suitable for a wide range of medium duty commercial vehicle applications including municipal, transit, utility and distribution.
Allison Transmission has been a pioneer in hybrid and electric propulsion systems for over 25 years. Beginning with its collaboration on the General Motors’ electric car Allison has emerged as the global leader in hybrid propulsion and transmissions worldwide.
Allison Hybrid Transmissions improve fuel economy, enable faster acceleration, and deliver enhanced reliability and durability.
The Allison Transmission 4000 SeriesTM is designed for heavy-duty vehicles where smooth and efficient operation is a requirement. The 4000 SeriesTM provides power, control and enhanced fuel efficiency.
The 4000 SeriesTM features close or wide ratio gearing with a maximum of to seven speeds, including two overdrive ratios. The 4000 SeriesTM also features a second reverse gear increasing the versatility and control options in applications requiring fine application of speed and power.
The Allison Transmission 4000 SeriesTM is rated to a maximum of 597 kW (800 hp). An optional engine-driven Power Take-Off (PTO) capability and output retarder provides enhanced braking and reduced brake wear.
The Allison 4000 SeriesTM includes electronic controls designed to provide advanced operation and prognostics capabilities.
The Allison Transmission 3000 SeriesTM is suited to medium-duty commercial vehicles. Its adaptive technology is designed to operate efficiently in a variety of situations and applications making vehicles more cost efficient and easier to operate.
The 3000 SeriesTM has a maximum rating of 336 kW (450 hp) and includes close or wide ratio gearing. Fifth Generation electronic controls introduce advanced operation and prognostics capabilities.
The Allison Transmission 3000 SeriesTM also improves braking performance and wear through an optional output retarder. These transmissions have up to seven speeds including two overdrive as well as Power Take-Off (PTO) capabilities.
The Allison Transmission 1000 and 2000 SeriesTM is designed for light duty applications including commercial vehicles in both on-highway and public transport applications.
™Rated up to a maximum of 224 kW (300 hp) the Allison Transmission 1000 and 2000 SeriesTM feature a maximum of six speeds, including two overdrives. The transmissions feature both close and wide ratio gearing.
Fifth Generation electronic controls introduce advanced operation and prognostics capabilities.™
Extra features include turbine-driven Power Take-Off (PTO) with optional neutral lock-up and a parking pawl.