Hydraulic Pump Tandem Double PRD 22 3184D Fits for UTB U 650 852c078a 31c3 4938 b105 b54ad3a12346.jpg

22-3184D Hydraulic Pump Tandem Double PRD for UTB U-650

PSV2-63T-1 is an aftermarket new hydraulic pump for Link-Belt LS2650 excavators. It is the heart of the hydraulic system, turning engine rotation into pressurized oil.

Category: Hydraulic Pump Assembly

Description
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PSV2-63T-1 Hydraulic Pump is an aftermarket replacement hydraulic pump for Link-Belt excavators, including LS2650. The main hydraulic pump converts engine power into pressurized oil flow. Supplied by LIONKITS as new, aftermarket.

PSV2-63T-1 Hydraulic Pump Specifications

Product Type: Hydraulic Pump
Part Number: PSV2-63T-1
Compatible Brand: Link-Belt
Machine Type: Excavator
Condition: new, aftermarket
Country of Origin: China

Link-Belt Models Compatible with the PSV2-63T-1 Hydraulic Pump

Link-Belt Excavator LS2650

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 PSV2-63T-1 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 PSV2-63T-1 Hydraulic Pump?

The PSV2-63T-1 Hydraulic Pump is an aftermarket replacement hydraulic pump for Link-Belt excavators, supplied as new, aftermarket under part number PSV2-63T-1.

Which Link-Belt models does the PSV2-63T-1 Hydraulic Pump fit?

It is listed for LS2650. 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.