PRR ammonia tank car RENFE ESSO-Saltra th. III-IV - Arnold HN6724 - N 1/160

The Arnold HN6724 is a four-axle PRR tank wagon designed for transporting ammonia, reproduced in N scale 1:160 . This miniature features a RENFE registration and the grey, white, and orange "ESSO-Saltra" livery. It is suitable for representing Spanish railway operations of eras III and IV .

With its distinctive silhouette of a specialized bogie wagon, this model brings a highly realistic touch to freight trains composed of rolling stock used for industrial and chemical traffic. It fits perfectly on a Spanish N scale model railway, either as part of a mixed train or in a consist dedicated to the transport of liquid and gaseous products.

The actual equipment

A tank car is a railway vehicle designed to transport liquid or gaseous products in a sealed tank. Specialized tank cars allow for the transport of goods that cannot be carried in a covered wagon, tipper wagon, or flatcar. Ammonia is one of the chemicals requiring controlled transport with equipment adapted to the nature of the cargo.

Four-axle tank cars rest on two bogies. This arrangement is common for high-capacity vehicles and promotes good curve negotiation and operation suitable for freight trains. Chemical transport is an integral part of rail activity: it connects industrial facilities, storage sites, and distribution areas using trainsets that can combine different types of specialized wagons.

The RENFE “ESSO-Saltra” decoration

This model represents a freight wagon registered with RENFE , the Spanish national railway company. Its livery combines a grey body with white and orange sections, and features ESSO-Saltra markings. The reproduced livery gives the wagon a particularly appealing visual identity for representing a Spanish freight train from the second half of the 20th century.

The presence of company markings on freight wagons illustrates the role of rail in industrial logistics chains. On a miniature network, this tank wagon thus evokes the services provided to private sidings, chemical plants, depots, or freight terminals.

The Arnold scale model

Arnold offers a four-axle tank wagon in N scale, reference HN6724. The model features close couplings to promote a realistic presentation within a freight train. It can run on tracks with a minimum radius of 192 mm .

This miniature is an unpowered wagon designed to be pulled by a locomotive appropriate to the period and theme of the layout. Its 1:160 scale allows for the creation of elaborate freight trains while maintaining a small footprint, a feature appreciated by N scale layouts.

Use on a miniature network

The Arnold HN6724 tank car is suitable for a layout inspired by Spain during Eras III and IV. It can be integrated into a RENFE freight train, either on its own among other freight cars or in a small group of tank cars. It is particularly well-suited to an industrial setting, a freight yard, a siding, or a branch line serving a chemical plant.

Thanks to its four axles and its very identifiable livery, this wagon is also a choice piece to enrich a collection of Spanish rolling stock in N scale. It allows for the diversification of traffic by introducing specialized traffic, complementary to covered wagons, tippers, flatcars and grain wagons.

Technical specifications

• Brand: Arnold
• Reference: HN6724
• Type: 4-axle PRR tank wagon for transporting ammonia
• Network represented: RENFE
• Decor: "ESSO-Saltra", grey, white and orange
• Scale: N, 1:160
• Period: 3rd-4th
• Couplings: close couplings
• Minimum radius: 192 mm