Si Yang Marine engine with Bowman cooler.

Type unknown. Possibly: 380J-3?

Engine
Engine make: Si-Yang
Engine type: 380J-3

Power: 28hp
Revolutions: 3000 rpm
No. of cylinders: 3
Fuel: Diesel

Cooling system type:
Heat exchanger

Dimensions:
A = 900mm
B = 520mm
C = 700mm
D = 210mm
E = 485mm
F = 345mm