The AC-9 was one of two Southern Pacific Railroad's articulated steam locomotive class that ran smokebox forward after 1920. Twelve AC-9 class locomotives were built by Lima in 1939 and …

"Southern Pacific's Streamlined Articulateds, The Iconic AC-9 Class" features a photographic anthology of Southern Pacific’s unique 2-8-8-4 locomotives. Unlike SP’s famous cab forwards, …

Even though there were only 12 AC-9 locomotives produced by the Lima Locomotive Works for SP, these are some of the most popular articulated steam locomotives ever produced. We can …

Finishing up the Sunset SOUTHERN PACIFIC AC-9. I had to put a universal in the drive that I found at a RC hobby shop. After modifications it works great. The usual, Scalecoat black and …

Southern Pacific AC-9 Author: SPED After years and years of looking I finally acquired an oil version AC-9, fortunately I purchased a coal version in 2004 but I always wanted the oil …

In April 1953 Southern Pacific was starting to shuttle their fleet of 2-8-8-4 AC-9 articulated from the Southwest where they had begun their operations to the Modoc Line. In order to make …

Oct 22, 2018 · I finally finished an order for a friend, paint and install sound in two Southern Pacific AC-9 engines and install sound in an AC-12. I also had to speed match all three. Here …

Mar 24, 2021 · Here is video I recorded this evening on Corner Field Model Railroad Museum of Lionel SP Southern Pacific Line 2-8-8-4 AC-9 #3809 with a beautiful whistle. Keep track of our …

The simple answer is that instead of the exhaust from the compressor being piped into the smoke box, it was released directly off the compressor. The more complicated answer is the unique …

Southern Pacific AC-9 2-8-8-4 Chesapeake & Ohio H-8 2-6-6-6 <--- got this one Also, does anyone know what the starting tractive effort for a Western Pacific 2-6-6-2 in SIMPLE …