A portable oil filtration unit 10 comprising a tank section 11 and a pump and filter unit 12 and an electrical control box 13. Operational switches are illustrated generally at 14. The unit is equipped with an inlet lance or wand 15 and an outlet lance or wand 16. The lances are located in position so that the lances have their ends at the bottom of a tank located in the tank housing 11. Thus when the unit is in a filtration mode and the pump turned on, oil will circulate from the tank through each of the lances and through the filtration unit.