Technical data for Bukh DV20

Technical data

Torques etc.

Cylinder diameter 85 mm Cylinderhead bolt 11-13 kgm
Stroke 85 mm Rockerarm bolt 4,5 kgm
Number of cylinders 2 Fuelvalve 7 kgm
Cylindervolume 0,964 liter Precombustionchamber 24 kgm
Compression ratio 21,5;1 Flywheel 8 kgm
Compression pressure 48 kg/cm2 Connectingrod 7 kgm
Combustion pressure 65 kg/cm2 Intermediate bearing 7 kgm
Engine rotation Clockwise seen from front Mainbearing -
RPM max. 3000 o/min Counterweigth crankshaft 7 kgm
Max output 20 HP DIN Fuelvalve openingpressure 150 bar
Max. Torque 5,01 kgm Valveclearance inlet 0,25 mm
Fuel consume 250 gr/HPh Valveclearance exhaust 0,30 mm
Ignitionorder 1--2 Lubricationoil quantity 2,75 liter
Max. gradient astern 12 degrees    
Max. gradient sideways 25 degrees