Horse Powertrain shows waterproof B20 engine

B20 engine is intended for extreme off-highway driving (Photo: Horse Powertrain)

Horse Powertrain has unveiled the new Horse B20, billed as a fully-waterproof engine intended for extreme off-highway conditions.

Intended for use in SUVs and pickups, the engine is compliant with IPX8 waterproofing standards.

This capability allows operation in water to depths of 1.1 meters and also in 100% grade climbing.

The B20 is a four-cylinder 2.0-liter direct-injection turbo petrol engine designed for hybrid (HEV), plug-in hybrid (PHEV) and range-extender hybrid (REEV) powertrains. Using the Miller cycle, the engine has a brake thermal efficiency of 48.4%.

Power output ranges from 140 to 185 kW, while producing between 300 and 380 Nm of torque.

High pressure injectors and high-tumble intake components support a ‘superior’ air-fule mix for better combustion. Combustion ignition is designed to take place at peak piston compression to deliver a cleaner combustion event.

A variable displacement oil pump ensures optimal pressures and fluid flow across the engine.

To achieve the IPX8 rating, the B20 has a fully-sealed waterproof structure. In addition, sensors recognize when the engine is submerged, with responses ranging from limited power output to adjusting throttle response to maintain stable operation.