| Škoda 33Tr SOR | |
| Manufacturer: | SOR Škoda Transportation |
| Factory: | Libchavy, Czech Republic Plzeň, Czech Republic |
| Capacity: | 47 sitting 73 standing |
| Length: | 18750frac=8NaNfrac=8 |
| Width: | 2550frac=8NaNfrac=8 |
| Height: | ? mm |
| Floortype: | low-floor |
| Doors: | 4 |
| Engine: | Škoda 2ML 3846 K/6 |
| Powerout: | 1 × |
Škoda 33Tr SOR is a low-floor articulated trolleybus produced in cooperation of Škoda Transportation (electrical equipment and assembly) and SOR, which supplies the body based on the bus SOR NS 18.
33Tr is derived from SOR NS 18 city bus. It is made of two rigid sections linked by a pivoting joint. Electric motor is located in the rear of the bus. Inside are used plastic Ster seats. Rear axle is VOITH brand, as well as medium axle, the front axle is own production with independent wheel suspension. Only rear C 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 above the ground. On the right side of the bus are four doors.
Production started in 2019. In Czech and Slovak cities they replaced old high-floor trolleybuses Škoda 15Tr. Teplice became the first to operate these trolleybuses.[1]