Hydraulic Pump Assembly KBJ14610 BK5V140DTP Fits for Case CX290B CX300C c7c1cfc2 67a4 4aba 9ad1 440ff1af39db.jpg

KBJ14610 BK5V140DTP Hydraulic Pump Assembly for Case CX290B CX300C

KMJ2936 is an aftermarket new hydraulic pump assembly for Case CX135SR, CX130B and CX160B. It feeds pressurized oil to the cylinders and motors so the machine can dig, lift and travel. It also cross-references 87341960 and 89341962.

Category: Hydraulic Pump Assembly

Description
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KMJ2936 Hydraulic Pump Assembly is an aftermarket replacement hydraulic pump assembly for Case, including CX135SR, CX130B, CX160B. The main hydraulic pump converts engine power into pressurized oil flow. Supplied by LIONKITS as new, aftermarket.

KMJ2936 Hydraulic Pump Assembly Specifications

Product Type: Hydraulic Pump Assembly
Part Number: KMJ2936, 87341960, 89341962
Compatible Brand: Case
Condition: new, aftermarket
Country of Origin: China

Case Models Compatible with the KMJ2936 Hydraulic Pump Assembly

Fitment: (CX135SR) – CRAWLER EXCAVATOR (NORTH AMERICA) (8/02-12/08)

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 KMJ2936 Hydraulic Pump Assembly

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 KMJ2936 Hydraulic Pump Assembly?

The KMJ2936 Hydraulic Pump Assembly is an aftermarket replacement hydraulic pump assembly for Case , supplied as new, aftermarket under part numbers KMJ2936, 87341960, 89341962.

Which Case models does the KMJ2936 Hydraulic Pump Assembly fit?

It is listed for CX135SR, CX130B, CX160B. 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.