Very good pump to drain a motor. Even to put the gearbox oil or 4x4 transfer case and bridges, I just add a bigger pipe for suction and malgres it is inadvisable to do so because oil just takes too épaisse.Il drain engine oil between 30 and 50 ° C for max.Et box to fill or bridge the oil can near a heater so that it is between 30 and 50 ° C the oil will be more fluid to fill the box. Emptying or filling between 2 and 4 min after maximum capacity.