6505-51-7810 KTR110G-QD6B Turbocharger Core for Komatsu D155A-3

This aftermarket replacement core, part number 6505-51-7810, is a KTR110G-QD6B turbocharger core assembly designed for Komatsu D155A-3 applications with SA6D140E-2A engines. It serves as a critical internal rotating assembly for maintaining turbocharger performance in heavy-duty construction equipment.

Key Specifications

• Part Number: 6505-51-7810
• Product Type: Turbocharger Core (CHRA)
• Turbo Model: KTR110G-QD6B
• Application Clue: Komatsu D155A-3 with SA6D140E-2A engine
• OEM Reference Numbers: 6505525410, 6505-52-5410
• Packing Dimensions: 21 x 23 x 26 cm
• Gross Weight: 14 kg
• Visual Verification: High-resolution images show the central cast housing, three-hole mounting flange, and polished compressor wheel. Use these views to confirm the physical configuration matches your existing unit before ordering.

Application & Compatibility

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

• KOMATSU > KOMATSU D155A-3 > KOMATSU SA6D140E-2A

This core is listed for Komatsu D155A-3 applications equipped with the SA6D140E-2A engine. It is associated with OEM reference numbers 6505525410 and 6505-52-5410 for verification purposes. Buyers should verify the part number 6505-51-7810, engine code, and production year against their specific unit before ordering. Confirm that the physical configuration matches your existing assembly to ensure the correct replacement application.

Technical Notes

The KTR110G-QD6B core assembly features a central cast housing with a three-hole mounting flange, visible in high-resolution studio photography. The rotating group includes a polished silver compressor wheel and a dark metallic turbine wheel, both with curved blade profiles. A central shaft with a threaded stud and hex nut is visible at the top, while radial support ribs appear on the underside of the compressor housing. These visual details help buyers confirm the physical configuration matches their existing unit. Verify the part number 6505-51-7810 and OEM reference 6505525410 against your specific Komatsu D155A-3 application before ordering.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing and worldwide shipping for the 6505-51-7810 KTR110G-QD6B core. Our team provides technical fitment support to help verify part numbers, engine codes, and OEM reference numbers such as 6505525410 before ordering. For fleet parts buyers managing Komatsu D155A-3 fleets, we offer pre-shipment inspection and quality control to ensure the rotating assembly meets your replacement requirements. Contact us for bulk inquiries or to confirm specific application details for your SA6D140E-2A engine units.