High-durability 3522777 Cummins H1E turbocharger fits 6CTA 8.3L engines in Komatsu PC300-6 and Liugong CLG856. Resists turbine housing cracks and oil leakage. OEM quality guaranteed. Request wholesale pricing today!
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The Holset H1E turbocharger (OEM: 3522777) is a heavy-duty unit engineered for 6CTA 8.3L engines.
It resolves thermal cracking issues and fits equipment including Komatsu PC300-6, Liugong CLG856, and Sany SY335 excavators.
In stock for immediate global wholesale.
The Holset H1E is a classic workhorse turbocharger, renowned for its simple, durable, and reliable fixed-geometry design. As a popular original equipment choice for the legendary Cummins 6CT and 6CTA 8.3L engine series, the H1E has a proven heritage of performance in the most demanding environments. It stands as a cost-effective and highly dependable alternative to more complex variable geometry turbos, making it a preferred choice for rebuilders and fleet managers who prioritize longevity and ease of maintenance.
Our aftermarket H1E turbo is precision-engineered to meet or exceed original specifications, providing a direct-fit replacement that restores lost power and efficiency. Built with high-quality materials, it is designed to withstand the rigors of continuous operation in construction, marine, and power generation applications, ensuring your engine runs smoothly and reliably for years to come.
| Specification | Value |
|---|---|
| Product Type | Turbocharger |
| Turbo Type | Holset H1E (Large Frame Fixed Geometry) |
| Compressor Wheel Material | Premium Aluminum Alloy / FMW Available |
| Turbine Wheel Material | K18 High-Nickel Alloy |
| Bearing Type | Heavy-Duty Journal & Thrust Bearing System |
| Cooling Method | Oil Cooled & Lubricated |
| Balance Standard | VSR Balanced (Industrial Grade) |
| Max Operating Temp | 750°C (Continuous Duty) |
| Housing Material | Durable Ductile Iron (Turbine Housing) |
| OEM Reference | 3522777 |
| Cross Reference | 3531882, 3802302, 3522778, J919117 |
| Typical Applications | Komatsu PC300-6, Liugong CLG856, Sany SY335, Hyundai R305 |
| Application Category | Heavy Construction & Industrial Earthmoving |
| Engine Model | Application Field | Typical Equipment Brands & Models |
|---|---|---|
| 6CTA 8.3 | Construction & Agriculture | Case IH Tractors, Komatsu Excavators, various industrial equipment |
| 6CTA 8.3-M | Marine | Marine propulsion engines, auxiliary power units, and generator sets |
| 6CT / 6BTA | Power Generation | Onan, Cummins Power Generation, various genset models |
| 6CT | Trucks & Buses | Medium-duty trucks and buses requiring reliable power |
Important: All turbocharger orders require OEM number verification to ensure perfect fitment. The H1E has several housing and wheel variations. Please provide your current part number when requesting a quote to guarantee compatibility.
Complete Service Solutions: Beyond replacement turbochargers, we supply comprehensive repair kits and individual components including:
Contact our technical team for component-level solutions and repair guidance.
Ruich Value supplies a dedicated range of Cummins turbochargers, from robust fixed-geometry models like the H1E and HX40W to advanced VGT units. Our coverage includes turbos for the 6CT, 6BT, N14, M11, and ISX engine series. For a complete cross-reference, please request our full turbocharger catalog.
| Engine Series | Common Turbo Models | Typical Applications |
|---|---|---|
| B Series (4BT, 6BT, ISB, QSB) | H1C, WH1C, HX35W, HY35W, HE221W, HE351CW | Light/Medium-Duty Trucks, Vans, Industrial, Marine, Agriculture |
| C Series (6CT, ISC, ISL, QSL) | H1E, HX40W, HE431VE | Medium/Heavy-Duty Trucks, Buses, Construction, Industrial |
| L, M, N Series (L10, M11, N14, NT855) | HT3B, HT60, HX50, ST50, T46, BHT3B, S300 | Heavy-Duty On-Highway Trucks, Industrial, Marine |
| ISX / QSX Series | HX55, HE600WG/HX60W, HE551V, HE451VE, HE400VG, HX82 | Heavy-Duty On-Highway Trucks (Class 8) |
| K, QSK, QST Series (K19, K38, QSK, QST) | HC5A, HX80, HX82, HE800FG | Mining, Power Generation, Marine, Rail (High-Horsepower) |
| ISF Series (ISF2.8, ISF3.8) | HE211W, HE221W | Light Trucks, Pickups, Vans, Construction Machinery |
A1: Symptom: Fine cracks appearing in the turbine housing divider wall and loss of boost. Diagnosis: In 8.3L engines used in 30-ton excavators (like Komatsu PC300), the turbine housing is subject to extreme thermal cycling during heavy digging operations. Solution: Our H1E units utilize upgraded high-molybdenum ductile iron for the turbine housing, which provides superior resistance to thermal fatigue and prevents structural cracking under high Exhaust Gas Temperatures (EGT).
A2: Technical Detail: It is mandatory to replace the oil feed line and pre-fill the turbo with at least 150ml of fresh oil. Pro-Tip: On PC300-6 excavators, always inspect the engine’s air intake boots for leaks; any unmetered air entering the system will cause the 3522777 unit to over-speed, leading to immediate bearing failure or compressor wheel burst.
A3: Diagnosis: The 6CTA platform often operates at sustained high loads, causing standard turbine blades to “creep” and strike the housing. Our Solution: We use K18 high-nickel alloy for the turbine wheel, which maintains its tensile strength and structural integrity at temperatures up to 800°C. This ensures the H1E maintains its rotor balance and boost efficiency during heavy rock loading or deep trenching duty.
For quotes, bulk orders, or technical questions about the Cummins H1E Turbo, please contact our team.
For Any Inquiries, please feel free to contact us, Our sales teams are always glad to support your business
