There are several companies that produce or have produced S-scale logging cars as well as static models for either standard-gauge or narrow-gauge usages. Logging and sawmills go hand-in-hand, so we also cover structures on this page.
Back in the late-1990s, B.T.S. made some standard-gauge and 3-foot narrow-gauge logging cars decorated for the Westside Lumber Co. These are sold out. You could contact the company to see if they would consider doing another run, or try to find them on the secondary market.
However, what B.T.S. is well-known for is their large collection of structure kits. While most of these kits were limited production runs, you might be able to entice the company into doing another run of these, or seek out available kits on the secondary market.
Back in the late-1990s, Backwoods Miniatures made some logging disconnects for 3-foot narrow-gauge.
In the mid-1980s P-B-L made some Sn3 Westside Lumber Co. logging car kits.
KMP Models offers several kits related to logging in S-scale, as that is their specialty.
Model Tech Studios offers a fully built, painted, and weathered model of a Lombard Log Hauler.
Rio Grande Models has made a couple of Sn3 cars over the years. The company is currently in ownership transition, so enquire with the new owner whether or not these kits are available.
In 2012 the company did a special run of the S-scale version of their Pine Creek Lumber Company kit, which they had produced in both HO- and O-scale.
In the mid- to late-1980s, this company produced several kits related to logging. There is some confusion as to which company bought which part of the Triangle Scale Models' product line. Wiseman Model Services seems to indicate that they only acquired the Sn3 products, and Turner Model Works bought the rest (Turner is now owned by Tim Moat who is an O-scale manufacturer). Alternatively look for these kits on the secondary market.
Triangle Scale Models produced kits for a New Mexico Lumber Company 21' skeleton log car in the late-1980s, and a 20' skeleton log car in the mid-1980s.
In the mid-1980s, the company produced a kit for a Log Skidder (part #TSM-117; see their drawing on the right) that may still be available commercially or in someone's closet.
V&T Shops was active during the 1980s and 1990s and produced a couple of logging-related kits for S-scale. The product line is now owned by Wiseman Model Services, and so these kits should be available through them.
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The company has an 18' skeleton car kit available in Sn3.