AR78122 TO4B11 Turbocharger Replacement for John Deere 6404A

The AR78122 TO4B11 turbocharger is an aftermarket replacement unit designed for John Deere 6404A engines, specifically referenced for the John Deere Tractor 4630. This complete turbo assembly serves as an aftermarket replacement application for units identified by OEM reference numbers such as 408970-0003. Buyers should verify their specific engine configuration and part numbers to ensure the TO4B11 model matches their existing setup before ordering.

Key Specifications

The AR78122 TO4B11 turbocharger is an aftermarket replacement unit for John Deere 6404A engines, specifically referenced for the John Deere Tractor 4630. This complete turbo assembly serves as an aftermarket replacement application for units identified by OEM reference numbers such as 408970-0003. Buyers should verify their specific engine configuration and part numbers to ensure the TO4B11 model matches their existing setup before ordering.

• Part Number: AR78122
• Product Type: Turbocharger
• Turbo Model: TO4B11
• Application Clue: John Deere Tractor 4630 / 6404A Engine
• Packing Dimensions: 21*23*26 cm
• Gross Weight: 10 kg
• Representative OEM Reference: 408970-0003

These factual details help B2B buyers and repair shops confirm physical dimensions and weight for logistics planning. The listed OEM reference numbers provide a baseline for cross-checking against John Deere catalogs to ensure the correct turbo model is selected for the specific engine variant.

Application & Compatibility

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

• JOHN-DEERE > JOHN-DEERE TRACTOR 4630 > JOHN-DEERE 6404A

The AR78122 TO4B11 turbocharger is listed for John Deere Tractor 4630 applications equipped with the 6404A engine. This reference application helps buyers identify the correct turbo model for their specific equipment. To ensure accurate selection, verify the part number AR78122 and cross-check OEM reference numbers such as 408970-0003 against your existing unit. Confirm the engine serial number and production year to match the specific turbo configuration required for your John Deere tractor. Always verify fitment details before placing an order to avoid installation mismatches.

Technical Notes

The TO4B11 turbo model is a complete assembly designed for heavy-duty agricultural applications. For the AR78122 unit, buyers should verify the specific turbo configuration against their existing John Deere 6404A engine setup. Confirm that the turbine and compressor housing dimensions match the original unit to ensure proper installation. Cross-check the OEM reference numbers, such as 408970-0003, against your equipment manual to confirm the correct part selection. This verification step helps prevent installation mismatches and ensures the replacement unit aligns with your specific tractor requirements.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing for the AR78122 TO4B11 turbocharger. Worldwide shipping is available for orders of this John Deere 6404A replacement unit. Our team provides technical fitment support to help verify part numbers and OEM reference numbers such as 408970-0003 before shipment. This service helps ensure the correct turbo model is selected for your specific agricultural equipment application.