SOR NB 12
SOR NB12 is a fully low-floor single-decker bus produced by the Czech bus manufacturer SOR from the Czech Republic since 2008. In many towns they currently replace Karosa B 731, Karosa B 732 and Karosa B 931.
| SOR NB 12 | |
|---|---|
 SOR NB12 made in the year 2009, operated by Prague transport company | |
| Overview | |
| Manufacturer | SOR |
| Body and chassis | |
| Doors | 4, 3 or 2 |
| Floor type | Fully low-floor |
| Powertrain | |
| Engine | Iveco Tector F4AE3682E Euro V |
| Capacity | 36 seated, 80 standing 116 passengers |
| Power output | 194 kW (260 hp) |
| Transmission | ZF 6-speed automatic Allison 6-speed automatic |
| Dimensions | |
| Length | 12,180 mm (479.5 in) |
| Width | 2,550 mm (100.4 in) |
| Height | 2,900 mm (114.2 in) |
| Curb weight | 9,700 kg (21,400 lb) |
| Chronology | |
| Successor | SOR NS 12 |
Construction features
SOR NB12 is derived from SOR NB 18 articulated single-decker bus. Engine and automatic transmission are located in the left rear corner of the bus. Inside are used plastic Ster seats. Rear axle is VOITH brand and the front axle is own production with independent wheel suspension. Only rear axle is propulsed. Body of the vehicle is welded from steel-voltage profiles, flashings from the outside and interior are lined with plastic sheeting. The floor of the bus is at a height of 360 mm above the ground. On the right side of the bus are four doors (first are narrower than other doors).
In Czech Republic are also produced trolleybuses SOR TNB 12 and Škoda 30Tr SOR in Škoda Transportation, which are based on SOR NB 12 bodies.
Production and operation
In 2006 SOR introduced in Brno on Autotec a completely new range of low-floor buses. Standard bus NB 12 and articulated NB 18 were presented with their prototype after the prototypes has done both test drive through cities in Czech Republic and Slovakia. The second bus type NB 18 was introduced at Autotec 2008 and from first prototype it differs with modified design. Serial production began in the fall of 2008.
