Name: Transmission Synchronizer Kit for Case 580L, 580 Super L, 590 Super L, 570LXT
Brand: Case
SKU: 256888A3
Price: 1585 USD
Availability: InStock

Transmission Synchronizer Kit for Case 580L, 580 Super L, 590 Super L, 570LXT

Case

SKU:: 256888A3
FitsModel:: 580L, 580 Super L, 590 Super L, 570LXT
ListDescription:: Synchronizer Kit
REFID:: Kit

Part # 256888A3

Fits Models At A Glance:

Case Backhoes: 580L (Series I – before S/N JJG0239360 | Series II – after S/N JJG0239360), 580 Super L (Series I – before S/N JJG0258464 | Series II – after S/N JJG0258464), 590 Super L (Series I – before S/N JJG0210575 | Series II – after S/N JJG0210575)
Case Skip Loader Landscaper: 570LXT

Key Notes:

Part Number: 256888A3
Weight: 16 lbs (7.26 kg)
Application: Transmission synchronizer rebuild kit for Case backhoe and skip loader models
Condition: Aftermarket replacement
Serial Number Breaks: See model fitment above for Series I/II serial number breakpoints

Why Choose Broken Tractor?

✅ Sourced for Your Machine – Matched to Case transmission specs so you're not guessing on fitment

✅ Trusted Aftermarket Quality – Built to restore proper synchronizer function and extend transmission life

✅ U.S.-Based & Ready to Ship – Fast fulfillment from our Gonzales, LA warehouse to keep your equipment running

$1,585.00

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.

1-800-909-7060 Parts Request Form

Shipping & Return Policy

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.

What machine are you working on?

Transmission Synchronizer Kit for Case 580L, 580 Super L, 590 Super L, 570LXT