4956137 TB HX83 Turbocharger Thrust Bearing Replacement

This aftermarket FOR 4956137 TB thrust bearing is a replacement component for HX83 turbochargers, specifically listed for Komatsu ZT44 mining surface track drills equipped with Cummins QSK19 800HP engines. It also serves as a reference application for Komatsu 930E units with Cummins QSK78 engines. Verify your specific part number, engine code, and OEM reference numbers such as 3593427 TB or 4027271 TB before ordering to ensure correct fitment.

Key Specifications

• Part Number: FOR 4956137 TB
• Product Type: Thrust bearing
• Turbo Model: HX83
• Application Clues: Komatsu ZT44 (Cummins QSK19 800HP), Komatsu 930E (Cummins QSK78)
• Packing Dimensions: 11 x 11 x 22 cm
• Gross Weight: 1.5 kg
• Representative OEM References: 3593427 TB, 3596054 TB, 4027271 TB, 4027353 TB, 4027359 TB, 4027658 TB
• Image Availability: High-resolution studio shots showing front, top, and bottom views of the copper-colored disc component with central cutout and peripheral mounting holes.

Application & Compatibility

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

• KOMATSU > ZT44 > ZT44 Mining > surface track drill > CUMMINS QSK19 800HP
• KOMATSU > Komatsu 930E > Cummins QSK78

This HX83 thrust bearing is listed for Komatsu ZT44 mining surface track drills equipped with Cummins QSK19 800HP engines, as well as Komatsu 930E units with Cummins QSK78 engines. These application paths serve as reference clues for buyers to verify fitment against their specific equipment. Cross-check your existing part against the 104 associated OEM reference numbers, including 3593427 TB and 4027271 TB, to confirm the correct turbocharger configuration. Always verify the engine code, production year, and turbo model before ordering to ensure the replacement application matches your unit.

Technical Notes

The HX83 turbocharger design typically utilizes a thrust bearing to manage axial loads on the shaft, ensuring stable operation under high-speed conditions. This specific component features a copper-colored disc construction with a central star-shaped cutout and concentric machined rings, visible in the provided studio images. Two peripheral mounting holes and a rectangular slot with internal holes are present for secure installation. Buyers should verify the bearing's dimensional specifications against their existing unit to confirm the replacement application matches the HX83 configuration. Technical fitment support is available to assist with reference checking the 104 associated OEM numbers, such as 3593427 TB, to ensure the correct part is selected for your specific Komatsu or Cummins engine setup.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and fleet parts distributors with volume pricing and worldwide shipping for the FOR 4956137 TB HX83 thrust bearing. Technical fitment support is available to help cross-reference the 104 associated OEM numbers, such as 3593427 TB, against your specific Komatsu ZT44 or 930E equipment. Verify your engine code and turbo configuration before placing an order. Contact our team for bulk quotes or to confirm the correct replacement application for your Cummins QSK19 or QSK78 engine setup.