This is an NOS M103-A3 Military Generator Trailer Vinyl Cover. It fits the 1.5-ton military generator power plant trailers, which are based on the M103 chassis.
One such trailer is shown in the pics and is similar to the M105A2 cargo trailer. The typical military generator power plant setup which uses this cover is referred to as model AN/MJQ-18 and contains two MEP-003A 10KW diesel generators. The other primary version could contain a pair of MEP-002A 5KW diesel generators, known as model AN/MJQ-16.Some older models it might fit include model PU-619/M, which has a pair of MEP-018 gasoline 10 KW generators, or model PU-618/M, which has a pair of MEP-016 gasoline 5KW generators. The item "M103A3 Military Generator Trailer Cover MEP-003A 10-KW MEP-002A 5-KW NOS Army" is in sale since Saturday, November 16, 2019. This item is in the category "Collectibles\Militaria\Surplus\Other Military Surplus".
The seller is "454nova" and is located in Rosedale, Maryland. This item can be shipped to United States.