Alexander Dennis ENVIRO500 Doubledecker Bus
The 6200 series of 15 doubledecker vehicles was delivered in mid 2018, and began revenue service in December of 2018. The Enviro 500 double decker buses, built by Alexander Dennis, are part of Transbay Tomorrow, a visionary project dedicated to improving transit service across the Bay.
| Engine | Cummins ISL 330 HP, Turbo Charged & Inter-cooled, 330HP or option 380HP |
| Transmission | Allison B500R Gen V |
| Width | 116 inches (over mirrors) |
| Length | 43’6” (bumper to bumper) |
| Overhang | ‘Front’: 8’1” (2.48m); ‘Rear’: 8’3” (2.52m) |
| Seating | 49 reclining seats upper saloon 31 fixed seats lower saloon (25 with two wheelchairs) |
| Wheelchair Compartments | Two‘ADA’ compliant forward-facing or one forward and one rearward facing |
| Wheelbase | 21’2” + 4’11” (6.43m (Inner) 1.5m (Outer)) (Drive and Tag axle centers) |