Horse Powertrain unveils engine designed to operate underwater

The short version

• Horse Powertrain, a joint venture between Renault and Geely, developed the B20 turbocharged four-cylinder engine designed to operate temporarily submerged in up to 3.6 feet of water.[Jalopnik]
• The unit relies on a sealed structure, dedicated transmission sealing, and IPX8-rated sensors that throttle power upon detecting submersion.[Jalopnik]
• Horse states the engine delivers up to 248 horsepower and 280 lb-ft of torque, though independent verification of its waterproof claims remains absent.[Jalopnik]

Key facts

• Horse Powertrain developed the B20, a 2.0-liter turbocharged four-cylinder engine with an IPX8 waterproof rating enabling it to operate temporarily submerged in up to 3.6 feet of water.[Jalopnik]
• Horse Powertrain is an automotive joint venture between Geely and Renault.[Jalopnik]
• The engine incorporates torsional vibration dampers, dedicated engine-transmission sealing, and IPX8-rated sensors that reduce power and modify throttle response when submersion is detected.[Jalopnik]
• The B20 engine is reported by Horse to produce between 188 and 248 horsepower along with 221 to 280 lb-ft of torque.[Jalopnik]

Sources

Outlet counts describe coverage, not independent confirmation. Reports may share a wire service or original source.

• How The Horse B20 Four Cylinder Engine Can Survive Up To A Meter UnderwaterJalopnik