- Engine code
- R26B
- Manufacturer
- Mazda
- Configuration
- 4-rotor Wankel
- Displacement
- 2,616 cc
- Aspiration
- Naturally aspirated
- Applications
- Mazda 787 / Mazda 787B / Mazda RX-792P
- 01
The R26B was used only in Mazda-built sports prototypes, replacing the 13J.
Source: Mazda Wankel engine — Wikipedia (English) - 02
It developed 700 hp at 9,000 rpm and used peripheral intake ports, variable intake geometry and three spark plugs per rotor.
Source: Mazda Wankel engine — Wikipedia (English) - 03
In 1991 the R26B-powered 787B became the first Japanese car, and the first non-piston-engined car, to win the 24 Hours of Le Mans outright.
Source: Mazda Wankel engine — Wikipedia (English)
Technology — The rotary
A triangular rotor turns inside an epitrochoid housing; each flank completes intake, compression, combustion and exhaust as it sweeps around — no pistons, no valves.
Technology page →02 — Applications in the archive
03 — Sources
- 01Mazda Wankel engine – WikipediaWikipedia · reference · accessed 2026-09-26
- 02Mazda 787B – WikipediaWikipedia · reference · accessed 2026-09-26