Comments: This consult factory is to be used when ordering the cover plate/fill neck assy for Hydraulic Oil Tank 4400451 ONLY. Due to this Hydraulic Oil Tank being supplied by multiple vendors please refer to the follwing before ordering replacement service parts. If your machine s/n starts with (03) use cover plate/fill neck assy 7024439. If your machine s/n starts with (13) use cover plate 70002299.(Please note this is the cover plate ONLY.)