H&R CONSTRUCTION PARTS is selling this:

Caterpillar 4E5581

Contact Seller

>>>> EVALUATE CONDITION PRIOR TO QUOTING. COVERED IN LIME. SELL AS IS OR CLEAN AND PREP HERE??? <<<<< pb 4/10/13 Description: All of the pin holes appear to be in good shape. The inner pin boss surfaces of the pin holes, where the boom pins to the machine have some wear. All of the other pin boss surfaces have some light scoring on them. This boom has quite a bit of lime on it and will need to be re-inspected after it is cleaned off. Weight: 17,500 lbs. Dimensions for shipping: 6 feet High, 5 1/2 feet Wide, 16 feet Long
Fits to Manufacturer : CATERPILLAR,
Fits to Model : 990,
Weight : 17500,