834B - Serial Number Prefix 92Z: After Serial Number 92Z00001
834B - Serial Number Prefix 7BR: After Serial Number 7BR00001
836 - Serial Number Prefix 3RL: After Serial Number 3RL00001
988B - Serial Number Prefix 50W: After Serial Number 50W00001
988F - Serial Number Prefix 8YG: After Serial Number 8YG00001
988F II - Serial Number Prefix 2ZR: After Serial Number 2ZR00001
992
AD30 - Serial Number Prefix CXR: After Serial Number CXR00001
AD30 - Serial Number Prefix DXR: After Serial Number DXR00001
AD30 - Serial Number Prefix GXR: After Serial Number GXR00001
AD40 - Serial Number Prefix 1YZ: After Serial Number 1YZ00001
AD45 - Serial Number Prefix BKZ: After Serial Number BKZ00181
AD45B - Serial Number Prefix CXM: After Serial Number CXM00001
AD45B - Serial Number Prefix GXM: After Serial Number GXM00001
AD55 - Serial Number Prefix GNW: After Serial Number GNW00001
AD55 - Serial Number Prefix ANW: After Serial Number ANW00001
AD55 - Serial Number Prefix DNW: After Serial Number DNW00001
AD55B - Serial Number Prefix JNW: After Serial Number JNW00001
AD60 - Serial Number Prefix KNW: After Serial Number KNW00001
AD60 - Serial Number Prefix NNW: After Serial Number NNW00001
AE40 - Serial Number Prefix 1ZZ: After Serial Number 1ZZ00001
R1700G - Serial Number Prefix SBR: After Serial Number SBR00001
R1700G - Serial Number Prefix XBR: After Serial Number XBR00001
R2900 - Serial Number Prefix ZLK: After Serial Number ZLK00001
R2900 - Serial Number Prefix BAR: After Serial Number BAR00001
R2900 - Serial Number Prefix 5TW: After Serial Number 5TW00001
R2900 - Serial Number Prefix GLK: After Serial Number GLK00001
R2900G - Serial Number Prefix NLK: After Serial Number NLK00001
R2900G - Serial Number Prefix JLK: After Serial Number JLK00001
R3000H - Serial Number Prefix RCY: After Serial Number RCY00001
R3000H - Serial Number Prefix RCM: After Serial Number RCM00001
992B - Serial Number Prefix 25K: After Serial Number 25K01170
R1700 - Serial Number Prefix 8XZ: After Serial Number 8XZ00001
Key Notes
Part Number: 3G6856
Weight: 51.04 lbs
Type: Hydraulic Pump
Serial Number Note: Serial number breaks apply - verify your machine serial number before ordering
Application: Replacement hydraulic pump for Caterpillar 834B, 836, 988B and other wheel loaders
Condition: Aftermarket replacement part
Why Choose Broken Tractor
✅ Interchange Numbers Listed: Cross-reference numbers shown so you can match your old part.
✅ Accurate Fitment You Can Trust: Model list verified so you order the right part the first time.
✅ U.S.-Based Support and Shipping: Talk to a real parts person and get your order moving fast.
$1,268.00/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 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.
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