583K - Serial Number Prefix 78V: Serial Number 78V00001 to 78V00534
594 - Serial Number Prefix 62H: After Serial Number 62H00001
594H - Serial Number Prefix 96V: After Serial Number 96V00001
D8H - Serial Number Prefix 46A: After Serial Number 46A10725
D8K - Serial Number Prefix 66V: After Serial Number 66V00001
D8K - Serial Number Prefix 77V: After Serial Number 77V00001
D9G - Serial Number Prefix 66A: After Serial Number 66A03266
D9G - Serial Number Prefix 90J: Serial Number 90J00001 to 90J00092, and After Serial Number 90J00106
D9H - Serial Number Prefix 97V: After Serial Number 97V00001
D9H - Serial Number Prefix 12U: After Serial Number 12U00001
D9H - Serial Number Prefix 90V: After Serial Number 90V00001
583 - Serial Number Prefix 78V: After Serial Number 78V00535
Key Notes
Part Number: 7S7400
Weight: 36.92 lbs
Type: Hydraulic Pump
Serial Number Note: Serial number breaks apply - verify your machine serial number before ordering
Application: Replacement hydraulic pump for Caterpillar 583K, 594, 594H and other dozers
Condition: Aftermarket replacement part
Why Choose Broken Tractor
✅ Accurate Fitment You Can Trust: Model list verified so you order the right part the first time.
✅ Dealer Alternative Pricing: Keep your machine working without paying dealership prices.
✅ Fast Shipping from a U.S.-Based Team
$614.00/ea
Expected release date is Oct 23rd 2026
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 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.