1,Used in lake,river,or sea; 2,small power; Product details: Norminal ratio: 2.0:1,2.5: ... of input shaft,when ahead; Rated propeller thrust: 1800N; Oil grade: SD/CC30 or SAE30 CD/CC40 or SAE40,when summer ... (L*W*H): 422*555*563mm; Net weight: 92KG; ze16A small marine gearbox,marine gear box,planet gearbox