Dimensions: 96" L x 14" W x 14" H (2,438 mm x 356 mm x 356 mm)
Bore: 140 mm (5.51")
Application: Boom cylinder — raises and lowers the boom assembly on the excavator upper structure
Material: Steel hydraulic cylinder construction
Condition: New aftermarket replacement
Location: Mounted between the upper structure and boom on the excavator
Why Choose Broken Tractor?
✅ New Aftermarket Reliability – Engineered to handle the lifting demands of large-class Kobelco SK350-8 and SK350-9 excavator operations
✅ Multi-Generation Fitment – Verified for both SK350-8 and SK350-9 configurations in a single part
✅ Fast Shipping from a U.S.-Based Team – Minimize costly downtime and keep your excavator productive
$5,400.00
Shipping charges are calculated at checkout.
Items are NOT guaranteed to be in stock at the time of order.
Refunds are offered if the item is on back-order.
Can’t Find What You’re Looking For?
Our knowledgeable staff will be happy to help you with any of your tractor, backhoe, dozer, or engine parts needs.
Do you need your part quickly? You're in luck! We have warehouses all over the country to ensure a quick and easy delivery time. Most of our parts ship from our warehouses the same day you place your order. And many times, orders are delivered in Two to Three days.
Our in house parts are manufactured following strict quality standards in our warehouse in Ohio. Parts such as hydraulic cylinders, pins, bushings, sheet metal, track adjusters, booms and dipper sticks are all ready to ship same day that they are purchased! With less time to wait for your shipment, you will be able to get back to work as quickly as possible.
Did you accidentally purchase the incorrect part? We offer returns and exchanges here at Broken Tractor. To proceed with a return, please call us toll free, and we will provide you with return authorization and a step by step return process for your convenience. We are more than happy to help you exchange your part for the correct one! Give us a call at 1-800-909-7060 and we would be pleased to help you.