Hatz H-series: innovation meets reliability

A groundbreaking downsizing approach was adopted in the development of the Hatz H-series. The outcome are extremely compact, turbocharged engines that reach a maximum output of 64 kilowatts, setting benchmarks in their performance classes.

  • Power from 22.3 to 48.2 kW
  • Max. Torque 202 Nm
  • Bosch OHW common rail system with 1800 bar
  • Exhaust gas turbocharger and intercooler
  • Elimination of sulfur-sensitive components
  • No Diesel Oxidation Catalyst (DOC)
  • No exhaust gas recirculation (EGR)
  • EU 97/68 Stage II (> 37 kW), Stage IIIA (<37 kW), US EPA Tier 2
  • Available as an  Open Power Unit (OPU)
  • Available in early 2020


design type

  • water-cooled three-cylinder 4-stroke diesel engine
  • Cylinder standing in a row
  • Gray cast iron cylinder block
  • Cylinder head with integrated intake pipe
  • Direct injection via Bosch common rail system
  • Circulating pressure lubrication with easy-change filter
  • Valve control via rocker arm, hydraulic tappet and camshaft below
  • Maintenance-free 2-valve technology
  • integrated automatic motor protection
  •  Available as an  open power unit including cooler, charge air cooler, tubing and wiring harness


  • ready for installation and use
  • universally usable in stationary and mobile machines as well as working machines
  • robust and durable construction
  • easy to maintain thanks to a standard 500 hour interval
  • extremely low fuel consumption
  • lowest power-to-weight ratio in its class
  • Operation with fuels with sulfur content <5000 ppm possible

performance curves