AR63780 TB4129 Turbocharger Core for John Deere 6404T

The AR63780 is an aftermarket replacement turbocharger core designed for John Deere 6404T engine applications. This TB4129 core serves as an aftermarket replacement application for units referencing OEM number 408105-0261, supporting B2B buyers and repair shops seeking reliable turbo core components for agricultural and industrial fleet maintenance.

Key Specifications

• Part Number: AR63780
• Product Type: Turbocharger Core (CHRA)
• Turbo Model: TB4129
• OEM Reference: 408105-0261
• Application Clue: John Deere 6404T / 4620

This core is an aftermarket replacement component for the TB4129 turbocharger series. The supplied data lists OEM reference 408105-0261 for verification purposes. Buyers should confirm the specific engine code and vehicle application against their unit before ordering. Technical fitment support is available to assist with part number matching and application verification.

Application & Compatibility

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

• JOHN-DEERE > JOHN-DEERE 4620 > JOHN-DEERE 6404T

This aftermarket replacement core is listed for John Deere 6404T and 4620 engine applications. The application path serves as a reference clue for buyers to verify fitment against their specific unit. Confirm the engine code, production year, and turbo configuration before ordering. The associated OEM reference number 408105-0261 helps identify the correct replacement application. Technical fitment support is available to assist with verifying part number AR63780 and ensuring the core matches your specific turbocharger assembly.

Technical Notes

The TB4129 core is a balanced CHRA assembly where rotor balance directly affects operational stability. For the AR63780 unit, verify the nozzle ring vane count and height against the original John Deere 6404T specification to ensure correct airflow management. Confirm that the wastegate operating pressure matches the engine's boost control requirements before installation. Buyers should check that the turbine and compressor wheels are properly seated and that the bearing housing shows no visible damage. Technical fitment support is available to assist with verifying these dimensions and ensuring the core meets the specific application requirements for your fleet or repair project.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and fleet parts distributors with volume pricing and worldwide shipping for the AR63780 TB4129 core. Technical fitment support is available to verify part number, engine application, and OEM reference 408105-0261 before ordering. Inquire about bulk quantities for John Deere 6404T and 4620 applications. Confirm specific unit details to ensure the correct replacement application for your maintenance schedule.