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311879 RA Rotor Assy for JCB 1004-4T Turbocharger

311879 RA Rotor Assy for JCB 1004-4T, Perkins, and Massey Ferguson T4.40 applications. Aftermarket replacement component. Verify engine code and OEM references before ordering.

Orders without stock ship approximately 60 days after ordering. Estimated ship date if ordered today: .

Type Rotor Assy On backorder — orders accepted Part # 311879 RA Weight 0.80 kg Packing N/A
US$ 54.00 / 1 pc(s)
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Subtotal: US$ 54.00

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12-Month Warranty Worldwide shipping excluding Canada and China. OEM-Grade Quality

The 311879 RA Rotor Assy is an aftermarket replacement component for JCB 1004-4T and Perkins 1004-4T engine applications. This rotor assembly supports turbocharger maintenance for JCB, Massey Ferguson T4.40, and SAME 1000.4AT WT vehicles, with technical fitment support available for B2B buyers.

Key Specifications

  • Part Number: 311879 RA
  • Product Type: Rotor Assy
  • Gross Weight: 0.8 kg
  • Packing: N/A
  • Application Clues: JCB 1004-4T, Perkins 1004-4T, Massey Ferguson T4.40, SAME 1000.4AT WT, VALMET
  • OEM References: None listed in source data

This rotor assembly is a replacement component for turbocharger maintenance. Buyers should verify the specific engine code and turbo configuration against their equipment before ordering to ensure correct application.

Application & Compatibility

Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:

  • JCB > 1004-4T
  • Massey Ferguson > T4.40
  • PERKINS > 1004-4T
  • SAME > 1000.4AT > WT
  • VALMET

This rotor assembly is listed for JCB 1004-4T, Perkins 1004-4T, Massey Ferguson T4.40, SAME 1000.4AT WT, and VALMET applications. These paths serve as reference clues for fitment verification rather than confirmed compatibility. Buyers should cross-check the part number 311879 RA against their specific engine code and turbo configuration. Verify OEM reference numbers and production year before ordering to ensure the correct replacement application.

Technical Notes

The 311879 RA Rotor Assy is a mechanical component, not a complete turbocharger assembly. It typically includes the turbine and compressor wheels mounted on a shaft, designed to restore airflow and exhaust energy conversion. For JCB 1004-4T and Perkins 1004-4T applications, verify the shaft diameter, bearing type, and wheel balance specifications against your existing unit. Buyers should inspect the housing and seals separately, as this part does not include the turbine or compressor housings. Confirm the rotor orientation and mounting details before installation to ensure stable operation within the turbocharger system.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing and worldwide shipping for the 311879 RA Rotor Assy. Technical fitment support is available to help verify engine codes such as JCB 1004-4T and Perkins 1004-4T before ordering. Inquire with your specific application details to confirm the correct replacement component for your fleet or workshop inventory.

Product FAQ

It is listed for JCB 1004-4T, Perkins 1004-4T, and Massey Ferguson T4.40 applications. Verify your specific engine code and turbo configuration before ordering.

For twin-turbo systems, confirm if the 311879 RA Rotor Assy is required for both units or just one. Check the specific turbo model and position on your engine to ensure the correct part is selected.

Ensure the bypass valve or wastegate mechanism is functional before installing the new 311879 RA Rotor Assy. A faulty bypass valve can cause over-boost or poor performance even with a new rotor.

Inspect the existing rotor assembly for bearing wear and type. The 311879 RA Rotor Assy is a replacement component; verify that the bearing housing and shaft dimensions match your original setup.

OTHER and other product, brand and model names are the property of their respective owners and are used for reference and application-lookup only. LeadTurbo is not affiliated with or endorsed by OTHER.

Compatibility Verify part number 311879 RA, engine code (e.g., 1004-4T), vehicle application, and OEM reference numbers before ordering. This is an aftermarket replacement application; confirm fitment with your specific turbo configuration.

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Frequently Asked Questions

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Turbochargers

Complete Turbo Units

Complete turbo units designed for rigorous heavy-duty use where OEM units may fall short.

CHRA Core

CHRA / Core Assemblies

Brand-new compatible CHRA cores — like-new performance at a fraction of replacement cost.

Turbine Wheel

Turbine Wheels & Shafts

Precision-balanced turbine shafts engineered from inside out for superior durability.

Turbine Housing

Turbine Housings

Silicon-molybdenum (Si-Mo) nodular cast iron — engineered for extreme heat resistance.

Compressor Housing

Compressor Housings

OEM-matched geometry and surface finish — advanced casting and machining for perfect fitment.

Bearing Housing

Bearing Housings

Rock-solid platform engineered for high-output rebuilds — the foundation for performance.

Compressor Wheels

Compressor Wheels

Aluminum, stainless steel, or titanium alloys — precision machined for superior responsiveness.

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