I think I have seen photos of fork trucks in the late 30's, and I'm checking thru my files for them. May take a bit though. However, Gregg is correct that WWII and the needs of the Department of the Navy accelerated the use of the pallet and forklifts. BTW, I decided not to leave myself open and dug into my file marked"forklifts / skids". The May 1941 issue of Railway Mechanical Engineer has an article and picture of a very modern looking Baker-Raulang forklift. The capacities were 2K and 3K lbs. The strenght of these units was given as their hydraulics units. Previously, forklifts had relied on mechanical lifts. Pallets or heavy skids appear to have been in use from at least the 1920s. The hand lift trucks that were used to move them around were very similar to hand lift trucks in use today in manufacturing and warehousing facilities today. A May 1926 issue of Railway Age discusses a new Yale elevating platform truck. The model being discussed used a mechanical lifting system as opposed to later hydraulic designs and was similar to other lighter Yale elevating platform trucks. An article on the Milwaukee RR stock warehousing system has a picture of a raising platfor forklift mounted on the front of a Fordson style tractor, which is also pulling a dozen wheeled, loaded skids. Various issues of Railway Age from the early 1930s show pallet jacks and forklifts being used to move pallets loaded with bags of flour, pulp sheets for vineer plants, etc. One article from a 1931 Railway Age says that it had previously required ~3 days to unload a boxcar containing 13,000 cases of canned goods. It took ~ 4 hours to unload the same size boxcar load with 13,000 cases when the cases were loaded into the boxcar on pallets, or skids. Finally, an article in a June 1936 Railway Age discusses a new fork truck capable of lifting 10,000 lbs and up to 72" long. I even found an article about a Central of Georgia LCL terminal that reduced it's labor needs by utilizing electric fork lift pallet, or skid trucks. The same was also true of the L&N LCL operations in the 1930s. I hope this helps somewhat. Forklift trucks were definitely in widespread use in the 1930s. There is even photo documentation of the UP using forklift trucks in the 1930s. Larry Sexton Forklifts were invented in several steps in the 1920's (Clark Forklift claims to have invented the forklift circa 1916, but photos suggest it is more of a tractor than a forklift) These early forklifts were very factory specific. For example Clark produced truck axles, and adapted their early trucks (the forklift industry calls forklifts "industrial trucks") to pick up stacks of truck axles, and bins of parts. Several companies developed production models (machines that we would recognize as a forklift) in the early 1930's (Clark claims the first, introduced in 1932) By the late 1930's there were several manufactures, (one of the most advanced was Buda, maker of a variety of RR parts including pump cars, track scales, rerailing frogs and bumpers.) and forklifts were becoming more common, but without pallets they were limited to in plant transfers, or moving material such as lumberor pipe, which is inherently forklift friendly. I have been told, but can't find a document to prove it, that pallets became common during World War II when the Navy required them for inbound shipments of certain material. It was rumored that they (the Navy) had to issue a description and specification for pallets, since they were unknown. World War II Clark "Carloader" (Carloader, as in boxcar, many companies had "Boxcar special" forklifts), with military serial numbers are still common in California junk yards, and I have seen a Clark manual from the 1940's which contains instructions on how to destroy the forklift to prevent if from falling into enemy hands (assuming they knew what it was and had pallets) There are photos showing forklifts unloading ships in Skagway Alaska, and loading freight cars of the White Pass & Yukon RR. Forklifts (and pallets) were common in many industries by the end of the war. Randy Hees© S.A. McCall