4027083 HC5A Turbocharger Core for Komatsu PC3000 CUMMINS KTTA2300C

This aftermarket 4027083 HC5A turbocharger core is a replacement rotating assembly for Komatsu PC3000 mining excavators equipped with CUMMINS KTTA2300C engines. It serves as a direct internal component for rebuilders and fleet parts buyers seeking to restore turbo performance without replacing the entire housing assembly.

Key Specifications

• Part Number: 4027083
• Product Type: Turbocharger Core (CHRA)
• Turbo Model: HC5A
• Application Clue: Komatsu PC3000 Mining Excavator, CUMMINS KTTA2300C
• OEM Reference Numbers: 3545703, 3524668, 3524669, 3594066, 3594067, 3801803, 4033458
• Packing Dimensions: 32 x 27 x 34 cm
• Gross Weight: 10.2 kg
• Image Availability: High-resolution studio views of the front, top, and bottom angles are available for visual inspection of the compressor and turbine wheels.

Application & Compatibility

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

• KOMATSU > PC3000 > PC3000 Mining excavator > CUMMINS KTTA2300C

This core is listed for Komatsu PC3000 mining excavators equipped with CUMMINS KTTA2300C engines. It is associated with OEM reference numbers including 3545703, 3524668, 3524669, 3594066, 3594067, 3801803, and 4033458. These references serve as verification clues rather than confirmed fitment. Buyers should verify the specific engine code, turbo model HC5A, and production year of their machine before ordering. Cross-check the part number 4027083 against your equipment records to ensure the correct replacement application.

Technical Notes

The HC5A core assembly features a central shaft with a threaded tip and hex nut, supporting both the compressor and turbine wheels. Visible oil ports on the bearing housing indicate standard lubrication pathways for stable operation. Machined metal surfaces with a dark finish are visible on the flanges and housing interfaces. Buyers should verify that the compressor side flange bolt hole pattern and turbine side dimensions match their existing housing before installation. Cross-reference the visible wheel geometry against your specific Komatsu PC3000 unit to ensure the correct replacement application. Technical fitment support is available to assist with configuration verification.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing for the 4027083 HC5A core. Worldwide shipping is available for this 10.2 kg unit. Technical fitment support is provided to help verify the HC5A configuration against your Komatsu PC3000 and CUMMINS KTTA2300C application. Confirm part number, engine code, and OEM references such as 3545703 before placing an order.