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Hatz 1B20

The B-Series – Flexible solution for all areas

The Hatz B series scores high marks in mobile and stationary operation with compact installation dimensions and in all applications with a power requirement up to 8 kW due to its low weight. Also in regard to robustness and lifetime, the series sets standards in the market. Whether on vibration plates or in the inhospitable environment of the Antarctic, the B-series has been tried and tested a hundred thousand times in harsh surroundings.

  • Power from 1.4 to 3.5 kW
  • max. torque 10.5 Nm
  • Compact and lightweight construction
  • Direct injection method
  • Certified to EPA Tier IV final


  • Air cooled single-cylinder 4-stroke diesel engine
  • Upright cylinder
  • Crankcase made from die-cast light alloy
  • Light alloy cylinder head
  • Forged crankshaft
  • Pressurized lubrication with fine filter in the main flow
  • Valve timing via rocker arm, push rods, finger follower and camshaft


  • Can be customized thanks to numerous options
  • Lower fuel consumption
  • Long service life