50 series
50 series may refer to:
Electronics[edit]
- HP 49/50 series, a type of graphing calculator made by Hewlett-Packard
Trains[edit]
- 1–50 series (CTA), a retired subway car type for the Chicago Transit Authority
- EMD SD50, also known as "50 series", a North American diesel locomotive type made by Electro-Motive Diesel
- Kyoto Municipal Subway 50 series operating for the Kyoto Municipal Subway
Trucks[edit]
- Dodge 50 Series, a box truck model operating in Europe
See also[edit]
- Detroit Diesel Series 50, a diesel engine for heavy-duty vehicles