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This is the Terex Boom Pin Assembly, part number 709 4009. A boom pin assembly is used at a joint on a boom, where it connects parts and lets them work together. Order by the exact part number, because a similar-looking pin can still be the wrong one for your machine, and the part number is the surest way to match the parts book.
| Brand | Terex |
|---|---|
| Part number | 709 4009 |
| Store SKU | 7108173 |
| Part type | Boom Pin Assembly |
Machine models are not listed on this page. Check part number 709 4009 against your machine's parts book, or send the model and serial number through the quote form so the parts team can confirm before you order.
Match part number 709 4009 to the number in your machine's parts book or to the number on the part you are replacing. If you cannot find a number or the numbers do not agree, send the machine model and serial number through the quote form and the parts team will check it for you.
In general, a boom pin assembly is used at a joint on a boom. It holds the connected parts together at that joint while allowing the boom to work through its movement. The exact design differs from machine to machine, which is why the part number matters.
Common signs include looseness or play at the joint, visible wear, scoring or damage on the pin, unusual noise from the joint during operation, and wear in the mating components. Follow your machine's service manual for inspection and replacement procedures.
Have the part number (709 4009), the machine model and serial number, and the quantity you need. If you are replacing a worn part, keep the old one on hand to compare against.
No. The store SKU (7108173) is an RTL Equipment reference for this listing. The part number is 709 4009, and that is the number to use when checking a parts book or confirming fitment.
