Technical data for Bukh 4K105

Technical data

Torques etc.

Cylinder diameter 105 mm Cylinderhead bolt 23 kgm
Stroke 130 mm Rockerarm bolt 4,5 kgm
Number of cylinders 4 Fuelvalve 7 kgm
Cylindervolume 4,5 liter Precombustionchamber 24 kgm
Compression ratio 19;1 Flywheel -
Compression pressure 48 kg/cm2 Connectingrod 9 kgm
Combustion pressure 65 kg/cm2 Intermediate bearing 7 kgm
Engine rotation Clockwise seen from front Mainbearing -
RPM idle 5-800 Counterweigth crankshaft 20 kgm
RPM max. 2000 o/min Fuelvalve openingpressure 150 bar
Max output 68 HP DIN Valveclearance inlet 0,3 mm
Max. Torque 26,7 kgm Valveclearance exhaust 0,4 mm
Fuel consume 208 gr/HPh Lubricationoil quantity 11 liter
Ignitionorder 1--3--4--2