Hydraulic Pump 150 5883 1505883 Fits for Caterpillar CAT 345B Excavator 3176C Engine 36e3921d 0d04 4c7a ada1 4dfb434280e9.jpg

150-5883 1505883 Hydraulic Pump for Caterpillar CAT 345B 3176C Excavator Engine

A hydraulic pump for Kayaba KYB Original 906, part number B0600-21026. The pump delivers the flow and pressure that every hydraulic function depends on.

Category: Hydraulic Pump Assembly

Description
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B0600-21026 Hydraulic Pump is a replacement hydraulic pump for Kayaba KYB Original, including 906. The main hydraulic pump converts engine power into pressurized oil flow. Supplied by LIONKITS as new original.

B0600-21026 Hydraulic Pump Specifications

Product Type: Hydraulic Pump
Part Number: B0600-21026, PSVD2-21E-16, B060021026
Compatible Brand: Kayaba KYB Original
Condition: New Original
Country of Origin: China

Kayaba KYB Original Models Compatible with the B0600-21026 Hydraulic Pump

Model: Kayaba KYB 906 Sunward 45 50 Liugong 904 Yuchai 35

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 B0600-21026 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 B0600-21026 Hydraulic Pump?

The B0600-21026 Hydraulic Pump is a replacement hydraulic pump for Kayaba KYB Original , supplied as new original under part numbers B0600-21026, PSVD2-21E-16, B060021026.

Which Kayaba KYB Original models does the B0600-21026 Hydraulic Pump fit?

It is listed for 906. 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.