320C - Serial Number Prefix AMC: After Serial Number AMC00001
320C - Serial Number Prefix BPR: After Serial Number BPR00001
320C - Serial Number Prefix CLM: After Serial Number CLM00001
320C - Serial Number Prefix HBC: After Serial Number HBC00001
320C - Serial Number Prefix MAB: After Serial Number MAB00001
320C - Serial Number Prefix MAC: After Serial Number MAC00001
320C - Serial Number Prefix SAH: After Serial Number SAH00001
320C - Serial Number Prefix RAW: After Serial Number RAW00001
320C - Serial Number Prefix GNG: After Serial Number GNG00001
320C - Serial Number Prefix EAG: After Serial Number EAG00001
321C - Serial Number Prefix MCF: After Serial Number MCF00001
321C - Serial Number Prefix KCR: After Serial Number KCR00001
Key Notes
Part Number: 1772599
Weight: 303 lbs
Type: Stick Cylinder Rod Assembly
Serial Number Note: Serial number breaks apply - verify your machine serial number before ordering
Application: Replacement stick cylinder rod assembly for Caterpillar 320C, 321C excavators
Condition: Aftermarket replacement part
Why Choose Broken Tractor
✅ Correct OEM Dimensions: Made to the original measurements for a proper fit.
✅ Easy Returns: Our 30-day return policy gives you confidence ordering the right part the first time.
✅ Ships Quick from U.S. Warehouses: Real people pull, pack, and ship your order fast.
$3,595.00/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.
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 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.