1924 Ahrens-Fox J-S-4 For Sale in St Louis , 2146379593 Tweet

A symbol of engineering ingenuity and civic pride, the Ahrens-Fox J-S-4 stands among the most iconic fire apparatus designs of the early 20th century. Manufactured during the golden era of American municipal fire service development, the J-S-4 belongs to the elite group of big six piston pumpers produced by Ahrens-Fox in the mid-1920s. These machines were not only engineered for function but constructed to lastmassive, overbuilt, and visually unforgettable. With their signature front-mounted piston pumps and the gleaming spherical air chamber atop the grillean instantly recognizable hallmarkthe J-series became an enduring symbol of firefighting excellence.

Ahrens-Fox, based in Cincinnati, Ohio, was founded in 1910 by John P. Ahrens and Charles H. Fox. From the beginning, the company earned a reputation for robust, no-compromise fire equipment, standing apart from rivals thanks to their commitment to piston pump technology. While centrifugal systems were gaining popularity for their simplicity, many departments favored the proven reliability and consistent pressure of piston designs. The J-S-4, introduced as a 750-gallon-per-minute pumper, struck an ideal balanceoffering substantial performance without the sheer scale of the later models. As such, it occupies a sweet spot in Ahrens-Foxs production, blending presence, usability, and technical excellence.

This 1924 J-S-4, serial number 1236, was originally delivered to the Belvidere, Illinois Fire Department on March 10, 1925. It is a particularly fine example of the breed, restored to a high standard that exceeds many of its peers and still presents with impressive freshness. Finished in vivid fire engine red with gold coachlines, it proudly retains its original Belvidere livery and captures the stately look that made Ahrens-Fox a legend in American fire apparatus design.

The paint and detailing remain crisp throughout, with careful highlighting on the fenders, pump housing, and body panels. Period accessories complete the silhouette, including dual ladders, spinning tri-lights, a mounted spotlight, and twin sirensone electric, the other hand-cranked, both operational. It rides on period-correct artillery wheels with Firestone tires, giving the truck a substantial and dignified stance.

Mechanically, this Ahrens-Fox continues to impress. Power comes from a 691-cubic-inch inline six-cylinder T-head engine, equipped with twin ignition and bearing engine number 7503, consistent with J-series production records. The engine compartment presents beautifullyclean, correct, and exceptionally detailed, reflecting the same high standard seen throughout the restoration. Many original fittings remain in place, and the freshly polished quad-piston pump assembly offers a dazzling focal point under the nose. The engine bay balances cosmetic appeal with clear signs of mechanical care, reinforcing the trucks overall fitness. Underneath, the chassis and running gear remain solid and structurally excellent, with visual evidence of continued upkeep. On the road, it performs with confidenceequally capable of announcing its presence with a roar or gliding along at a ceremonial pace.

Few machines of the era connect so directly to Americas civic and industrial heritage as an early fire truck, and even fewer do so with the stature and engineering pedigree of an Ahrens-Fox. This beautifully restored J-S-4 offers an extraordinary blend of visual impact, mechanical capability, and historical presence. Ready for parades, exhibition, or private enjoyment, it is a lasting reminder of an era when public service vehicles were built with pride, precision, and unmistakable style.

Offers welcome and trades considered.