An audio recording of an MTA Orion VII Next Generation Hybrid bus #4025 NIS deadheading back to Eastchester Depot. This was recorded on May 8th, 2023 Between Pelham Bay Park and Eastchester Depot. As of April 10th, 2024 this unit has actually been retired
Another audio recording taken on the same day    • MTA Bus: 2009 Orion VII NG HEV #4025 ...  

Cummins ISB Engine
BAE Hybridrive