Railway Concepts

Railway Concepts, Inc. (also known as RWC) is a American railroad equipment rebuilding, leasing, and manufacturing company, headquartered in. RWC sells new and rebuilt locomotives worldwide. It was founded in 1990.

Locomotive designs
In 2003, Railway Concepts built four F40PH-3 engines for Cincinnati Metro Express using frames and ex-  cowls.

In 2004, Railway Concepts rebuilt five former s as GP40-2is for, the national railway of. These rebuilds were done alongside the remanufacturing of seven former and  s as SD40-2is, also for UBTZ. The rebuilt locomotives were re-gauged to 1,524 mm (5 ft) broad gauge.