Cummins 4BTA3.9-GM47 Marine Auxiliary Engine with heat exchanger General data of Cummins 4BTA3.9-GM47 Marine Auxiliary Engine Engine Model Cummins 4BTA3.9-GM47 Type 4 cylinder in line Displacement 3.9 L Bore&Stroke 102×120 mm Dry Weight 338 KG Dimension(L*W*H) 867*544*988 (mm) Center of gravity from front face of block 262 mm Center of …