Engine designation    D2-40
Crankshaft power, kW (hp)    29.1 (39.6)
Propeller shaft power, kW (hp)    27.9 (38.0)
Engine speed, rpm    2800-3200
Displacement, l (in^3)    1.51 (92.1)
Number of cylinders    4
Bore / stroke, mm (in)    77/81 (3.03/3.19)
Compression ratio    23.5:1