RELIEF VALVE MRV / SWING MOTOR / TRAVEL MOTOR
GCO: C08.105

Relief Valve Swing Motor Doosan 80 / R-80 / Js 80 Arv

OEM Part No. XKAY00651
Compatible With DOOSAN 80 / R-80 / JS 80 ARV
Availability ✓ In Stock
Relief Valve Swing Motor Doosan 80 / R-80 / Js 80 Arv – HYDRAULIC CIRCUIT CONTROL VALVE | OEM: XKAY00651
✓ Genuine Quality ✓ Pan India Shipping ✓ Expert Support

Product Specifications

BrandCompatible Model(s)OEM Part NumberGCO CodePart TypeAvailability
DoosanDOOSAN 80 / R-80 / JS 80 ARVXKAY00651C08.105RELIEF VALVE MRV / SWING MOTOR / TRAVEL MOTOR✓ In Stock

Product Description

OEM Part Numbers: XKAY00651

Machine ModelTypePart Number
DOOSAN 80XKAY00651
R-80ExcavatorXKAY00651
JS 80 ARVExcavatorXKAY00651

The XKAY00651 relief valve swing motor doosan 80 / r-80 / js 80 arv is a precision hydraulic flow control component for the DOOSAN 80 / R-80 / JS 80 ARV, regulating fluid direction and maintaining consistent circuit pressure throughout the hydraulic system. Valve failure leads to hydraulic instability, uncontrolled movement, and pressure loss — conditions that are hazardous to operators and damaging to downstream hydraulic components. Engineered to OEM standard XKAY00651 for precise installation and reliable hydraulic control on the DOOSAN 80 / R-80 / JS 80 ARV.

Key Features:

  • Precise Flow Control: Regulates hydraulic fluid direction and pressure for safe, controlled machine operation.
  • OEM Grade Fitment: Manufactured to specification XKAY00651 for direct installation on the DOOSAN 80 / R-80 / JS 80 ARV with no hydraulic adjustments required.
  • Heavy-Duty Pressure Rating: Built to withstand the high-pressure hydraulic cycles of continuous heavy excavation and lifting work.

The XKAY00651 relief valve swing motor doosan 80 / r-80 / js 80 arv ensures reliable hydraulic flow control and system pressure stability on the DOOSAN 80 / R-80 / JS 80 ARV.

What Does This Relief Valve Mrv / Swing Motor / Travel Motor Do?

The main relief valve (MRV) limits maximum circuit pressure to protect the hydraulic system. Swing and travel motors convert hydraulic flow into rotary mechanical motion to drive the machine's upper structure rotation and undercarriage movement.

Possible Relief Valve Mrv / Swing Motor / Travel Motor Problem Symptoms

If your machine is showing any of the following, a faulty relief valve mrv / swing motor / travel motor may be the cause:

  • Machine unable to swing or travel in one or both directions
  • Weak or significantly reduced swing or travel speed under working load
  • Abnormal noise — grinding, whining, or knocking — from the hydraulic motor
  • Hydraulic oil overheating rapidly during normal operation cycles

Why Buy From GCO Products?

Gautam & Company has been supplying earthmoving machinery spare parts since 1999. Here is why contractors, fleet operators, and dealers across India trust us.

Supplying Since 1999

Over 27 years of experience in the earthmoving parts industry.

Technical Support

Our team helps you confirm the right part before you order.

GST Billing

Proper GST invoices on every order for your accounting needs.

Pan-India Supply

Fast dispatch from Jalandhar to all states across India.

Bulk & Wholesale

Volume pricing available for fleet owners, dealers and distributors.

OEM & Aftermarket

Both genuine OEM and quality aftermarket options available.

How to Confirm Compatibility

To ensure this part is the correct fit for your machine, have the following ready when you contact us:

  • 1
    Machine Model & Year

    E.g. Komatsu PC200-8, CAT 320D, JCB JS205 — include the model suffix if known.

  • 2
    Machine Serial Number

    Found on the machine's chassis plate. Helps confirm the exact production variant.

  • 3
    OEM Part Number

    From your parts manual, the old part itself, or the machine's service documentation.

Not sure if this part fits your machine?

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Disclaimer: This is an aftermarket replacement part supplied by GCO Products (Gautam & Company) and is not manufactured by, affiliated with, or endorsed by the original equipment manufacturer (OEM). All brand names, model numbers, and OEM part numbers referenced on this page are used solely for the purpose of identifying compatibility and describing the application of this part. All trademarks, registered marks, and brand identifiers remain the exclusive property of their respective owners. GCO Products claims no association with, sponsorship by, or endorsement by any OEM brand mentioned herein.