Emergency Replacement Turbocharger T422417 for CAT C4.4 SPF343C
Turbocharger T422417 for CAT C4.4 SPF343C, forged steel turbine housing, nickel-alloy wheel...
Turbocharger 3804566, HT60-N0881A/H32K1, New Aftermarket — replacement for Komatsu PC600-6, PC600LC-6, PC650-6 and Cummins N14 applications.
Ships within 2–5 working days via express, air or sea freight with real-time tracking to your site.
Immediate Dispatch — HT60 turbocharger units on the Guangzhou warehouse shelf today, ready to ship within hours of order confirmation for your PC600-6 or PC650-6 repair.
| Parameter | Value |
|---|---|
| Part Number | 3804566 |
| Product Type | Turbocharger |
| Cross-Reference | 380456600, 3804566NX, 3804566RX, CU3804566, 3536804, 4033556, 4033556H, 3536012 (reference only) |
| Machine Fitment | PC600-6, PC600LC-6, PC650-6, PC650LC-6, PC600LC-6KJ, PC600-6KJ |
| Turbo Model | HT60-N0881A/H32K1, HT60 |
| Condition | New Aftermarket |
| Turbine Housing Material | Ni-resist D5S alloy |
| Compressor Wheel Material | Forged 2618 aluminum |
| Shaft Bearing Type | Dual ceramic ball bearings |
| Machining Flatness Tolerance | ±0.02 mm |
| Standards | ISO 9001, ISO 1940 Grade G2.5, ISO 8573-1 Class 2, SAE J1927 |
| Warranty | 3–12 months against manufacturing defects |
| Failure Symptom | Replacement Urgency |
|---|---|
| Excessive black or white smoke under load | Immediate — machine operating outside emissions tolerance, risk of DPF or exhaust system damage |
| Noticeable power loss during excavation cycles | High — excavator cannot meet cycle time targets, fuel consumption rises sharply |
| High-pitched whining or grinding from turbo housing | Immediate — bearing failure underway, shaft seizure will follow without prompt swap |
| Oil residue around compressor inlet or turbine outlet | Moderate to high — seal degradation in progress, schedule replacement before oil enters intake tract |
| Turbo lag exceeding normal spool-up time on PC600-6 | Moderate — compressor wheel or turbine efficiency declining, plan swap within current service window |
Get the right HT60 turbocharger 3804566 confirmed and dispatched before your next shift starts.
I have watched quarry loading operations lose entire production days because a single turbo failure on a Komatsu PC600-6 sat unresolved while the site team waited for part number confirmation. The machine was down, the nameplate was painted over during the last repaint, and nobody could read the casting number. Hours burned just deciding what to order. [NEED_CITE: cost of unplanned heavy equipment downtime in quarry and demolition operations]
Workshops face the same trap. A customer's excavator sits on the bench, the old turbo is pulled, but the tag is worn to bare metal. The team cross-references three different catalog pages and still isn't sure if the HT60 variant they found matches the N14 engine build in that specific PC650LC-6. That uncertainty blocks the entire repair timeline.
Sending a photo of the old turbocharger — even one with the data plate painted over or corroded — is often enough to lock in the correct HT60 turbocharger 3804566 replacement for your Komatsu machine. Our technical team matches visible housing geometry, flange orientation, and port layout against known PC600-6 and PC650-6 build variants. You get a confirmed answer within hours, not days of back-and-forth emails.
When only the machine model is available, we cross-check the production serial range of your PC600LC-6 or PC650LC-6 against known turbo fitment records. This catches the situations where Komatsu changed engine suppliers mid-production run or where a previous owner swapped the power unit, making the nameplate data unreliable.
The HT60 turbocharger 3804566 ships from our Guangzhou warehouse, and the total arrival time depends on the freight method you select. Express courier typically reaches major international hubs within a few days, making it the default choice when a PC600-6 is already down and costing revenue every hour it sits idle. Air freight serves the middle ground — slightly longer transit but lower cost for workshops ordering multiple emergency spares at once. [NEED_CITE: international express freight transit times for heavy equipment parts]
Every unit leaves in a sealed box with anti-vibration foam and a reinforced outer carton. This packaging survives courier sorting systems without damage to the compressor wheel or turbine housing. Tracking numbers go out with the dispatch confirmation so your site supervisor or workshop manager can plan the installation slot around the confirmed arrival window.
The Ni-resist D5S alloy turbine housing handles the sustained exhaust temperatures that a Cummins N14 generates under continuous excavation loads in quarry and demolition applications. This material resists the thermal cracking that cheaper housings develop after repeated heat cycles, meaning the housing stays dimensionally stable through the turbo's service life. [NEED_CITE: Ni-resist alloy properties in high-temperature exhaust environments]
The forged 2618 aluminum compressor wheel is the standard choice for turbochargers in heavy-duty diesel service. Forging produces a grain structure that withstands the centrifugal forces at operating RPM far better than cast alternatives, reducing the chance of wheel fragmentation if the engine overspeeds momentarily.
Dual ceramic ball bearings on the shaft cut friction during spool-up compared to journal bearing designs, which translates to noticeably faster boost response when the operator demands full power from a PC650-6 mid-trench. The ±0.02 mm machining flatness tolerance on mating surfaces ensures the oil and coolant passages seal correctly without relying on excessive gasket compression.
Ordering the wrong turbocharger variant based on an incomplete cross-reference means the unit arrives, the technician unboxes it, and the flange bolt pattern doesn't match the exhaust manifold on the PC600-6 sitting in the yard. The machine stays down. The return shipment takes days. A second order goes out, and now the excavator has been non-productive for most of a week. [NEED_CITE: consequences of incorrect turbocharger fitment on heavy diesel engines]
Even a turbo that bolts on but has the wrong compressor map for the N14 engine will run — poorly. Boost pressure will be off across the RPM range, fuel consumption will climb, and the engine may start throwing fault codes that send the diagnostic process in entirely the wrong direction. Getting the exact HT60 variant confirmed before shipment avoids both scenarios entirely.
The HT60 turbocharger 3804566 sits on the Guangzhou warehouse shelf alongside thousands of other SKUs covering eight core equipment categories, so if your PC600-6 repair also needs intake gaskets, oil feed lines, or exhaust clamps, everything ships in one consignment under one warranty.
Single-piece orders are the standard here, not an exception negotiated case by case. A workshop replacing one failed turbo on one PC650LC-6 orders one unit, and it dispatches on the same timeline as a bulk fleet order.
Part identification works from whatever you have — a clean part number, a machine model, a photograph of the old unit, or even an image of a painted-over nameplate. The technical team verifies the fitment before the box leaves the warehouse.
Cross-reference verification covers the superseded and alternate numbers (380456600, 3804566NX, 3804566RX, CU3804566, 3536804, 4033556, 4033556H, 3536012 for identification purposes), so you don't need to hunt down which obsolete number your machine's service manual still lists.
Sample supply is available when a distributor or fleet maintenance team wants to physically verify fitment on a PC600-6 or PC650-6 before committing to a larger stocking order.
Send the machine model — PC600-6, PC600LC-6, PC650-6, PC650LC-6, or any variant — and we will return a confirmed fitment answer with available stock status and estimated arrival timing. If the nameplate is unreadable, a photograph of the old turbocharger showing the housing, flange, and any visible casting marks is enough for our team to verify the correct HT60 variant. No minimum order applies — whether you need one unit for a machine-down emergency or several for fleet stock, the confirmation process is the same.
Q: Is this turbocharger currently in stock and how fast can it ship? A: The HT60 turbocharger 3804566 is held in our Guangzhou warehouse for immediate dispatch. Once you confirm the order and we verify fitment for your specific Komatsu machine model, the unit typically ships within 2–5 working days. Express, air, and sea freight options are quoted upfront with estimated arrival windows so you can plan the installation accordingly.
Q: Can I order just one piece for an emergency repair? A: Yes. Our minimum order is one piece with no bulk requirement. The HT60 turbocharger 3804566 is stocked specifically to support single-unit emergency replacements for machines like the PC600-6 and PC650-6 that are already down on site. You receive the same warranty terms and dispatch priority regardless of order quantity.
Q: The nameplate is worn off — can you identify the right turbo from a photo? A: Yes. Send a photograph of the old turbocharger showing the housing shape, flange orientation, and any visible casting marks. Our technical team cross-references these visual details against known PC600-6 and PC650-6 build configurations to confirm the correct HT60 variant before shipment, avoiding a costly wrong-part delivery.
Q: How long does delivery take to my country via express versus sea freight? A: Express courier typically reaches major international destinations within several days of dispatch from Guangzhou. Air freight adds moderate transit time but reduces cost when combining multiple parts. Sea freight takes longer and suits planned stocking orders. We quote specific transit estimates based on your destination when you request a shipping option.
Q: What happens if the turbo I receive doesn't fit my machine? A: If fitment verification was completed before dispatch and the unit does not match, we arrange a replacement or refund under the 3–12 month warranty terms. This is why we request the machine model or turbo photograph before shipping — it prevents misfit situations entirely by catching variant differences at the confirmation stage rather than on the workshop floor.
Not sure if this part fits your machine? Send us your machine model number and serial number via WhatsApp or email -- our specialists will verify compatibility within 2 hours.
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