L-Series – Economic, operationally safe, quiet

These are the properties which distinguish the L-Series engines. The extremely long service life is attributed to the robust design. The high operation safety allows the L-Series engines to be operated reliably in remote areas or for applications without constant monitoring.

  • Power from 13.5 kW to 18.4 kW
  • Max. Torque 89.6 Nm
  • soundproofed
  • Direct injection process with single monoblock pumps
  • EPA Tier IV final and EU Stage V certified


design type

  • air-cooled two-cylinder 4-stroke diesel engine
  • Cylinder standing in a row
  • Cast iron crankcase
  • Single cylinders and cylinder heads
  • Direct injection via monoblock pumps
  • Circulating pressure lubrication with easy-change filter and oil cooler in the main flow
  • Valve control via rocker arm, bumpers, tappet and camshaft
  • second camshaft for injection pump drive with centrifugal adjuster and autom. timing device
  • Axial cooling fan with integrated generator
  • integrated automatic motor protection
  • Sound capsule mounted vibration-decoupled


  • ready for installation and use
  • universally applicable
  • robust and durable construction
  • easy to maintain and repair
  • extremely low fuel consumption
  • Operational safety through automatic motor protection

performance curves