Thomas & Friends TrackMaster Dieselworks Delivery for $4.99. Shipping is free on orders over $25. If needed, use this Filler Tool to pad the order to qualify for free shipping. Here is a screenshot for your reference. This three-pack of cargo cars with supplies for the Dieselworks including a boxcar with tools, a diesel fuel tanker and a flat bed with engine parts. It is compatible with all TrackMaste track sets (sold separately).