Welcome to Pentrex... and Highball Productions, WB Video, Valhalla Video Productions, Midwest Video and Main Line Motion Pictures. Combined, our brands offer over 650 different railroad programs. On DVD and Blu-ray, from steam to the latest diesels... we have it! We are your home for the finest in railroad entertainment.
Union Pacific's Mighty Turbines
Here is the whole turbine story, from rare footage of an early steam turbine experiment in 1938 to the first gas turbine demonstrator in 1948. UP put 55 production units into service, the largest rated at 8,500 horsepower each-the most powerful locomotives ever built! You'll see... more
Steam to Sacramento 1991
Four of the largest steam locomotives attending Railfair '91 in Sacramento, California, arrived pulling special trains. Pentrex captured some fantastic images of steam at work as the engines headed for the exciting West Coast event... more