Hatz 1D90 – Single Cylinder Engine

The Hatz 1D90 is the most powerful air-cooled, single-cylinder diesel engine in the Hatz product lineup. Designed for extreme-duty industrial, construction, and agricultural applications, the 1D90 delivers exceptional torque and high output while maintaining a compact, rugged design. With advanced fuel efficiency, long service intervals, and the option of electric start, the 1D90 is built to perform reliably under the harshest conditions — where performance, uptime, and durability are non-negotiable.

This is the most powerful single-cylinder enigne Hatz offers. The Hatz 1D90 is ideal for demanding, high-power applications that require a compact yet robust diesel engine, including: Professional-grade construction equipment (e.g., trench rollers, concrete saws, vibratory plates), Agricultural and forestry machinery, Mobile hydraulic systems, Generators and power units, High-performance pumps and compressors

Whether integrated into mobile or stationary machinery, the Hatz 1D90 delivers unmatched torque, long service life, and world-class reliability — making it the top-tier choice for mission-critical diesel power.