HT60 Turbocharger 3804566 for Cummins N14 – Model-Matched

Verified Cross-Reference — nine superseded and alternate turbocharger part numbers mapped to one HT60 unit, confirmed against Cummins N14 engine mounting and port geometry.

Technical Specifications

Application Suitability

Why the Same Turbocharger Part Number Ships in Multiple Variants

Cummins N14 turbocharger references have been reissued across at least nine alternate and superseded numbers, and copied cross-reference tables frequently carry forward errors that cause wrong-fit deliveries.

In mining regions where machines run continuously at altitude, a turbocharger that arrives with the intake port rotated even slightly off-axis means the entire intake piping must be reworked or the unit returned. I have seen machines sit idle for days because a parts catalog listed 3804566 as interchangeable with an older number that had a different exhaust flange orientation [NEED_CITE: turbocharger flange and port orientation standards for heavy-duty diesel engines]. The Turbocharger 3804566 for Komatsu PC600-6 PC650-6 cross reference list on this page covers verified equivalents, but every machine serial range introduces potential sub-variant differences that only a physical or photographic check can resolve.

Matching the Correct HT60 Variant to Your Machine Serial Range

The PC600-6 and PC650-6 families share the Cummins N14 platform, yet the turbocharger mounting environment changed across production runs. Early-build machines may reference 3536804 or 3536012, while later units carry 4033556 or 4033556H. Each of these numbers maps to the same HT60-N0881A/H32K1 turbocharger, but the oil inlet port position and exhaust flange bolt pattern must be verified against the specific engine serial number. Providing the machine model alone is a starting point; the engine plate data closes the identification loop.

Oil Port Position and Exhaust Flange Verification Before Dispatch

The physical interfaces that determine fitment on a Cummins N14 turbocharger are the oil supply and return ports, the exhaust outlet flange, and the compressor intake orientation. Across the PC600LC-6, PC650LC-6, and their KJ sub-variants, piping layouts differ enough that a turbocharger with the correct bolt circle can still fail to connect if the oil port clocking is wrong. We verify oil port position, exhaust flange orientation, and mounting bolt spacing against the engine configuration before the Turbocharger 3804566 for Komatsu PC600-6 PC650-6 cross reference unit leaves the warehouse [NEED_CITE: turbocharger installation interface verification procedures for off-highway equipment].

Reading the Specifications That Matter for Field Service

The HT60-N0881A/H32K1 designation encodes the turbine housing geometry and compressor wheel trim, which together define the airflow capacity and boost pressure curve the Cummins N14 requires. A mismatch in compressor trim shifts the operating point on the map, potentially causing surge at low engine speed or insufficient boost at rated load. The ISO 9001 production standard ensures dimensional consistency across casting and assembly, meaning bore diameters, shaft runout, and bearing clearances fall within the tolerance bands the engine calibration expects. New aftermarket condition means the unit ships with zero operating hours on fresh journal bearings and piston ring seals, avoiding the unknown wear history of a core-exchange rebuild.

The Hidden Cost of a Near-Miss Fitment

A turbocharger that physically bolts on but has the wrong compressor map or oil port clocking does not fail immediately. It runs, but with elevated exhaust gas temperatures or marginal oil supply that accelerates bearing wear. The failure typically surfaces weeks later as unexplained power loss or oil consumption, at which point the machine is back in the workshop and the repair cycle repeats [NEED_CITE: root cause analysis of premature turbocharger failure in mining excavators]. For fleet operators managing multiple PC600-6 and PC650-6 units, a single incorrect turbocharger delivery can cascade across machines if the same wrong reference propagates through the purchasing list.

Why Source This Turbocharger Through XUNPO

Our selected production lines and qualified sourced partners operate under the same warranty terms, so the HT60 unit you receive carries coverage regardless of which facility built it. The eight-category catalog means gasket sets, oil feed lines, and air filters ship in the same consignment as the turbocharger. Orders start from one piece, removing the minimum-order barrier for a single emergency replacement. Part identification works from a part number, a machine model, a photograph of the nameplate, or even a painted-over data plate — we cross-verify against superseded and alternate references including 3804566NX, 3804566RX, and CU3804566. Sample units are available for physical fitment trials before you commit to fleet-level quantities. The technical team confirms oil port orientation, flange pattern, and compressor variant before release.

Documentation & Verification

• Commercial invoice and packing list with turbocharger model HT60-N0881A/H32K1 and cross-reference numbers noted
• Fitment and cross-reference sheet mapping 3804566 to all verified alternate numbers (reference only)
• Dimensional inspection record covering oil port clocking, flange bolt circle, and shaft runout
• Warranty terms document specifying 3-12 month coverage against manufacturing defects
• Pre-dispatch packing photographs showing unit condition and protective packaging
• HS code and customs documentation support for international shipment

Fitment Check Before Installation

• Compare oil inlet and return port positions on the new HT60 against the removed turbocharger before connecting lines
• Verify exhaust flange bolt pattern matches the manifold; check gasket surface for scoring or warping
• Confirm compressor intake orientation aligns with existing air piping; rotate only if the variant allows
• Pre-lube the turbocharger bearing housing with clean engine oil before first cranking
• If port clocking or flange pattern does not match, halt installation and send photographs for verification

Request a Fitment Confirmation

Send the full machine model, engine serial number, or a photograph of the existing turbocharger nameplate — even if painted over or partially illegible. We return a compatibility verification against the cross-reference list and confirm the oil port and flange configuration within hours. For fleet orders, request a sample unit to physically trial-fit before committing to bulk quantities.

Frequently Asked Questions

Q: How do I confirm this turbocharger fits my specific PC600-6 or PC650-6 sub-variant? A: Provide the machine model and engine serial number, or a photo of the existing turbocharger nameplate. We cross-check the HT60-N0881A/H32K1 variant against your specific serial range, verifying oil port orientation and exhaust flange pattern to ensure physical fitment before dispatch.

Q: My old part number is different from 3804566 — is this still the correct replacement? A: Very likely yes. Numbers like 3536804, 4033556, 3536012, and 3804566NX are verified superseded or alternate references for the same HT60 turbocharger. Send us your old number and we confirm whether it maps to this unit or points to a different variant.

Q: Why are there so many alternate numbers for the same turbocharger? A: Cummins N14 turbocharger references were reissued across production generations and exchange programs, generating multiple valid numbers for the same physical unit. Our cross-reference sheet consolidates these into one verified list so purchasing teams can match whichever number appears on their documentation.

Q: The turbocharger nameplate is gone — can you still identify the right part? A: Yes. Send a photograph of the mounting area, oil port layout, and exhaust flange, along with your machine model. We use these physical features plus the Cummins N14 engine serial to identify the correct HT60 variant without relying on the nameplate.

Q: Can I get a sample to test fitment before ordering for the whole fleet? A: Sample units are available for physical trial installation. This is recommended when managing multiple PC600-6 or PC650-6 machines with potentially mixed production serial ranges, allowing you to confirm port positions and flange alignment before committing to bulk quantities.