Donaldson Air Cleaner Assembly, part number FHG10036. Used on TRAK and JLG Industrial Forklifts. Trak part number 8273016. NSN 2940-01-289-8209. This is a really nice assembly that could be adapted and used anywhere you’re addressing a need to supply clean, dry, cold air to a piece of construction equipment, farm machinery, engine, generator, or compressor. First photo shows the assembly in its’ proper position. Intake port (on top) is 4-1/2″ diameter.Outlet on left end is 4″ diameter. Water drain is on bottom. This assembly includes both an outer and inner air filter element ($70). Brand new military-spec surplus, Get it here and save some money. Actual weight is only 10 pounds; due to the large size of this package, UPS charges a dimensional weigh of 42 pounds. 15338 T1