Kohler Diesel KDI Mechanical KDI1903M

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With the KOHLER KDI diesel engine, we started from scratch to build an entirely new engine experience. Using state-of the-art technology to control the combustion process, we created a diesel that delivers more power and more torque in a smaller frame. So you can keep your performance and downsize your engine.

  • One engine platform for the entire world
  • Smart emission management system
  • Excellent fuel efficiency
  • Long service intervals
  • Low noise, low vibration


Engine Type

Four-stroke in-line, cast iron block

Model KDI1903M
Power[1] kw (hp) 31(42)
Displacement cm3 (in3) 1861 (113.6)
Bore mm (in) 88 (3.5)
Stroke mm (in) 102 (4)
Gross Torque[1] Nm (lb-ft) 133 (98.1)
Compression Ratio NA
Dry Weight kg (lbs) 210 (463)
Oil Capacity L (US qt) 8.5 (8.9)
Lubrication Full pressure w/full-flow filter
Dimensions LxWxH mm (in) 598 x 452 x 667
(23.5 x 17.8 x 26.3)
Emissions Compliance
  • China Phase II
  • EU Stage IIIA Eq.
Engine Type Commercial

1 Performances measured according to ISO 14396 without final intake and exhaust line. Actual engine performances may be affected by accessories (intake and exhaust line, charging, cooling fan, etc.), application, ambient operating conditions (temperature, humidity, and altitude) and other factors.