A single rebuilt Maserati France chassis became a 1964 Le Mans thunderbolt, fast enough for legend, fragile enough to stay human.
On paper, sanity had already left the workshop. A 4.9-litre Maserati V8 sat ahead of the driver, aimed at Le Mans like a cathedral organ wired to explosives. By 1964 the mid-engined future was arriving, yet chassis 151/002 was rebuilt for one more front-engined argument: more muscle, lower bodywork, and just enough order to keep the monster pointed at France.
Calling it simply the Tipo 151/3 is convenient, not complete. Giulio Alfieri identified the rebuilt 1964 car that way, while Maserati France patron Colonel Johnny Simone used the name Tipo 152, and many accounts blur it with earlier Tipo 151 and 151/2 forms. The wider Tipo 151 story had American privateer audacity in its bloodstream through the 1962 Cunningham entries, but this final act belonged to Maserati France and to a Modenese refusal to surrender gracefully.
The recipe was magnificently unreasonable. The 1964 rebuild kept the tubular chassis, aluminium closed berlinetta idea, front-engine layout and rear drive, then added a longer wheelbase, wider track, 15-inch Borrani wheels, broader Dunlop tyres and dry-sump lubrication. Published output figures differ, roughly 410 to 450 bhp, but that range tells the truth better than a single heroic number. This was not polish; it was pressure. Guerrino Bertocchi, Maserati’s chief mechanic and test driver, reportedly saw 196 mph on the Modena–Bologna autostrada and judged that “high-speed wandering no longer a problem.” That sentence is beautifully Italian: not safe, not comfortable, merely no longer wandering. At Le Mans in 1964, Maurice Trintignant and André Simon qualified the Maserati France car 15th, then retired with electrical trouble. Reims brought ignition trouble; Paris ended after an accident.
A proud Englishman might sniff that the French had brought a knife to a gunfight, then notice the knife was forged in Modena and shaped like an artillery shell. The body often associated with Piero Drogo and Allegretti looked less designed than sharpened. Its oddity is specific: the 151/3 was a prototype whose name changed almost as dramatically as its silhouette, a racing car still arguing with its own birth certificate.
That uncertainty now feeds its magnetism rather than weakening it. Collectors value the Tipo 151/3 because it is effectively a one-car 1964 evolution, tied to Le Mans, Maserati France, Alfieri, Bertocchi, Trintignant and Simon. The later survival and reconstruction story around chassis 151/002 means originality must be discussed carefully, not romantically, yet the documented provenance is exactly why it matters. A reported CHF250,000 sale in 2006 now reads like a period footnote.
It is thunder with a chassis number. The Tipo 151/3 represents the last glamorous danger of Maserati’s big front-engined sports racers, the moment before cleverness replaced brutality and before racing rulebooks became thicker than courage. It did not conquer Le Mans, but it preserved something rarer: the sight of a company spending its final front-engined fury on one impossible car.
Guerrino Bertocchi
