Sealey gear oil dispensing system air operated sealey ak4563d mobile oil dispensing unit with air operated 3 1 double acting pump for gear oil with 2in bsp fittings pump is supplied with air management system and connected to a 730mm rigid suction probe with non return valve features 4mtr hose and digital oil meter model no ak4565d supplied also suitable for use with engine hydraulic synthetic gear and transmission oils up to sae150 in containers up to 50kg sealey ak4563d gear oil d