Manufacturer: Bulldog / Hercules Hydraulics — Made in USA
Application: Swing cylinder seal kit — rebuilds the boom swing pivot cylinder that rotates the backhoe boom left and right on John Deere 310SK backhoe loaders
Location: Boom swing pivot cylinder at the rear of the machine
Common Use Case or Symptoms: Use when the swing cylinder is leaking hydraulic fluid at the rod seal, the boom is drifting side to side under load, or visible oil weeping is present at the cylinder rod — all common signs of a worn swing cylinder seal kit on John Deere 310SK backhoe loaders.
Why Choose Broken Tractor:
✅ Made in USA by Bulldog / Hercules Hydraulics: Premium American-made seals engineered for the hydraulic pressures of John Deere backhoe swing cylinder applications
✅ Correct Swing Cylinder Fitment: AHC18280-KIT is correctly identified for the boom swing pivot cylinder on the 310SK — restores full left-to-right boom articulation and eliminates hydraulic drift
✅ Fast Shipping from a U.S.-Based Team: In-stock and ready to ship same day from our U.S. warehouses
$125.00/ea
Shipping calculated at checkout. If any item in your order is temporarily unavailable, we'll contact you to arrange a back-order or refund — whichever you prefer.
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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 fill out our form, 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! fill out our form to make a request here at Return Request Form and we would be pleased to help you.
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