Power your fleet with unmatched confidence—the GILLIG Battery Electric Bus leads the industry as the highest-scoring bus ever tested at Altoona. Engineered for exceptional performance and maximum efficiency, this bus delivers the reliability and range your routes demand, all while eliminating emissions.

Access over 20,000 parts, including OEM and aftermarket options, tailored for GILLIG and non-GILLIG buses. Whether you’re maintaining new models or managing mixed fleets, GILLIG Parts has the perfect fit to keep you moving.

Keep your fleet moving with GILLIG’s comprehensive Aftermarket Parts solutions. With fast, reliable shipping nationwide and a team of experts dedicated to supporting your buses, we make it easy to maintain peak performance.

GILLIG Hybrid buses, powered by the Allison eGen Flex™ Hybrid system, deliver the perfect combination of reliable diesel power and electric sustainability. This advanced propulsion technology bridges the gap between diesel and electric, offering lower emissions, fuel savings, and enhanced performance.

The GILLIG Clean Diesel bus is purpose-built to deliver unmatched reliability and ease of maintenance, ensuring your fleet stays on the road longer. Its proven powertrain technology is designed to withstand the rigors of daily service, providing consistent performance on …

The Cummins L9N engine, powered by compressed natural gas (CNG), delivers near-zero emissions levels of PM and NOx. Fully CARB and EPA compliant, it reduces smog-forming NOx emissions by 90% compared to the EPA’s NOx standard, offering cleaner air …

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Mar 11, 2025 · The three new buses from GILLIG run entirely on Compressed Natural Gas (CNG) fuel, which is more efficient than gasoline and diesel, and will be deployed on the MWRTA’s Route 4N, which is the busiest route in the MWRTA system and provides service between downtown Framingham and the Natick Mall.

May 9, 2022 · Allison Transmission and GILLIG unveiled the first bus equipped with the Allison eGen Flex™ electric hybrid propulsion system. The GILLIG bus was displayed at the APTA Mobility Conference.

Feb 9, 2021 · GILLIG to offer Allison Transmission’s new Zero Emission Vehicle (ZEV)-capable electric hybrid system, eGen Flex™ beginning in 2021, providing bus fleets with up to 10 miles of full electric propulsion for zero-emission zones, with no …