Kohler Diesel KSD 1403NA

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The KSD Series is the result of our global approach to the market and the customers. It’s simple, versatile and advanced. It’s the KSD Series, the latest platform of engines from Kohler.

  • Compliant with all emissions standards worldwide
  • Easy to integrate
  • Solutions compatible with all kind of machines
  • Electronic fuel injection
  • Durable components


Engine Type

4 stroke diesel with cylinder in line, cast iron crankcase, cast iron cylinder head

Model KSD1403NA
Power[1] kw (hp) 18.9(25.7)@3000rpm
Displacement cm3 (in3) 1391 (84.88)
Bore mm (in) 81 (3.2)
Stroke mm (in) 90 (3.5)
Maximum Torque[1] Nm (lb-ft) 90 (66.4)
Dry Weight kg (lbs) 121 (266.8)
Dimensions LxWxH mm (in) 551 x 482 x 407
(21.7 x 19 x 16)
Emissions Compliance
  • US Tier 4 Final
  • China Phase IV
  • EU Stage V
Engine Type Consumer

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.