Hydraulic Pump 6E4934 6E 4934 Fits For Caterpillar D5HXL 01 76bc427d ddc1 4d46 959d a91bda05f23b.jpg

6E4934 6E-4934 Hydraulic Pump for Caterpillar D5HXL

This aftermarket new hydraulic pump is listed for Hitachi John Deere EX300-3, EX300-3C, EX310H-3C and 892, part number 9136850. It is the heart of the hydraulic system, turning engine rotation into pressurized oil.

Category: Hydraulic Pump Assembly

Description
Reviews (0)

9136850 Hydraulic Pump is an aftermarket replacement hydraulic pump for Hitachi John Deere, including EX300-3, EX300-3C, EX310H-3C, 892. The main hydraulic pump converts engine power into pressurized oil flow. Supplied by LIONKITS as new, aftermarket.

9136850 Hydraulic Pump Specifications

Product Type: Hydraulic Pump
Part Number: 9136850, HPV145F
Compatible Brand: Hitachi John Deere
Condition: new, aftermarket
Country of Origin: China

Hitachi John Deere Models Compatible with the 9136850 Hydraulic Pump

Fits for Hitachi EX300-3
EX300-3C
EX310H-3C???John Deere 892

Your model is not listed? Contact LIONKITS via live chat or email with your machine model and nameplate photo, and we will confirm compatibility.

What Does a Hydraulic Pump Do?

The main hydraulic pump converts engine power into pressurized oil flow. That oil moves the boom, arm, bucket, swing and travel functions, so every machine movement depends on it. Because it takes the most punishment, it is usually the first major hydraulic component to wear out.

Signs the Part Needs Replacing

Slow or weak movement on all functions: when everything is slow at once, not just one circuit, the pump is the most likely source.
Whining, knocking or grinding noise: internal wear or cavitation, especially on start-up or when the oil is cold.
Hydraulic oil running hot: internal bypass leakage turns pressure into heat.
Metal particles in the filter or case drain: a failing pump sheds metal and pushes out more case drain flow.
Erratic or spongy movement, foamy oil: air entering the suction line, or aeration, upsets pump flow.

These symptoms overlap with clogged filters, low oil, air in the suction line and worn valves, so check the filters and oil level before replacing the part.

How to Order and Install the 9136850 Hydraulic Pump

Confirm your machine model, the part number and the pump model on your existing pump before ordering.
Send a photo of the old pump or the nameplate if you are not sure; LIONKITS will confirm fitment for you.
Change the hydraulic oil and the return filters before fitting the new pump; a new pump installed in contaminated oil will fail early.
If the old pump failed internally and shed metal, flush the tank, hoses and oil cooler and inspect the control valve and motors for contamination.
Fill the pump case with clean hydraulic oil and prime the pump as the service manual specifies before the first start.
Check the suction line, strainer and fittings for air leaks, and tighten bolts to the specified torque.
Run the machine at low speed first, then check pressure, noise and leaks.

Frequently Asked Questions

What is the 9136850 Hydraulic Pump?

The 9136850 Hydraulic Pump is an aftermarket replacement hydraulic pump for Hitachi John Deere , supplied as new, aftermarket under part numbers 9136850, HPV145F.

Which Hitachi John Deere models does the 9136850 Hydraulic Pump fit?

It is listed for EX300-3, EX300-3C, EX310H-3C, 892 and other models in the compatibility list above. If you are unsure, send your machine nameplate to LIONKITS for confirmation.

How do I know my hydraulic pump is failing?

Typical signs are slow or weak movement on all functions, whining or knocking noise, hot hydraulic oil, metal particles in the filter or case drain and erratic or spongy movement.