Kusan K-Series Tank Cars
K-Series tank cars were assigned the 700 series of catalog numbers. Williams later used the same tooling to produce their small tank cars.
Kusan catalog number 701. The Dow Chemical Company 610 tank car.
Kusan catalog number 702. DuPont Anhydrous Ammonia 2675 tank car.
Kusan catalog number 702. DuPont Anhydrous Ammonia 2675 tank car variation with extra technical car data near the ladder. Photo courtesy of the G. Clarke collection.
Kusan catalog number 704. Radioactive Waste X-723 tank car. This car was included with Satellite Train set KF-139.
Kusan catalog number 710. Cities Service 2544 green tank car. This version has four pre-drilled holes in the tank to hold the platform. Cities Service tank cars with platforms have green expansion domes. The AVOID ACCIDENTS decal was likely added post-production.

Kusan catalog number 710. Cities Service 2544 green tank car with black ends. The black ends variation was produced without a platform. Cities Service tank cars without platforms have black expansion domes. Photo courtesy of the G. Clarke collection.
Kusan Tank Car Kit boxes pictured a Cities Service tank car.