594 - Serial Number Prefix 62H: After Serial Number 62H00001
D9G - Serial Number Prefix 90J: After Serial Number 90J00001
D9G - Serial Number Prefix 66A: After Serial Number 66A00001
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
594H - Serial Number Prefix 96V: After Serial Number 96V00001
Key Notes
Part Number: 4M1001
Weight: 7.7 lbs
Type: Hydraulic Pump
Serial Number Note: Serial number breaks apply - verify your machine serial number before ordering
Application: Replacement hydraulic pump for Caterpillar 594, D9G, D9H and other dozers
Condition: Aftermarket replacement part
Why Choose Broken Tractor
✅ Built to Original Specs: Dimension-matched to the part that came off your machine.
✅ Hassle-Free Returns: A 30-day window means no risk if the part isn't the one you needed.
✅ U.S.-Based Support and Shipping: Talk to a real parts person and get your order moving fast.
$363.00/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.