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  • Cummins Diesel Engine QSC QSL Parts HX40W Turbocharger 4955545 4089915 4037513 4089917 4038990
  • Cummins Diesel Engine QSC QSL Parts HX40W Turbocharger 4955545 4089915 4037513 4089917 4038990
  • Cummins Diesel Engine QSC QSL Parts HX40W Turbocharger 4955545 4089915 4037513 4089917 4038990
  • Cummins Diesel Engine QSC QSL Parts HX40W Turbocharger 4955545 4089915 4037513 4089917 4038990
  • Cummins Diesel Engine QSC QSL Parts HX40W Turbocharger 4955545 4089915 4037513 4089917 4038990
  • Cummins Diesel Engine QSC QSL Parts HX40W Turbocharger 4955545 4089915 4037513 4089917 4038990
Cummins Diesel Engine QSC QSL Parts HX40W Turbocharger 4955545 4089915 4037513 4089917 4038990

Cummins Diesel Engine QSC QSL Parts HX40W Turbocharger 4955545 4089915 4037513 4089917 4038990

  • 1 - 19 Pieces
    $1,075
  • >= 20 Pieces
    $284
View product details

Cummins Diesel Engine QSC QSL Parts HX40W Turbocharger 4955545 4089915 4037513 4089917 4038990

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Power Enhancement: Designed to boost diesel engine performance by compressing intake air, enabling higher fuel combustion efficiency and increased power output.
  • Durability & Reliability: Built with high-strength alloys and corrosion-resistant materials to withstand extreme temperatures and pressures in heavy-duty applications.

Key features

  • 1. Corrosion-Resistant Material Technology

    • With a corrosion-resistant metal body, you can ensure long-lasting durability in high-temperature exhaust environments*. The turbocharger’s stainless steel and high-strength alloy construction withstands extreme pressures and corrosive exhaust gases, outperforming standard models prone to degradation.

  • 2. Customizable Performance Design

    • With customizable turbine and compressor configurations, you can optimize performance for specific engine requirements*. The modular design allows adjustments to boost pressure, flow rate, and bearing types, adapting seamlessly to diesel engine needs compared to rigid, one-size-fits-all alternatives*.

  • 3. Enhanced Power Output

    • With enhanced boost pressure capabilities, you can achieve up to 20% more power output compared to standard turbochargers*. The compressor wheel efficiently compresses air, enabling more fuel combustion and higher horsepower in demanding applications*.

  • 4. Commercial-Grade Reliability

    • Designed for continuous operation in commercial diesel engines, you can maintain peak performance under heavy load conditions*. Its robust build and compact design ensure stable performance in long-running applications, unlike consumer-grade turbochargers not built for industrial endurance*.

  • 5. OEM-Certified Compatibility

    • Certified to OEM standards, you can ensure seamless compatibility with Cummins diesel engines*. This turbocharger meets rigorous manufacturing specifications, guaranteeing precision fitment and reliability for Cummins-specific applications.

Product details

Cummins Diesel Engine QSC QSL Parts HX40W Turbocharger 4955545 4089915 4037513 4089917 4038990

The Cummins Diesel Engine QSC/QSL Turbocharger (HX40W) is a high-performance component engineered for diesel engines, designed to enhance power output and fuel efficiency. Built with corrosion-resistant stainless steel and high-strength alloys, it withstands extreme temperatures and pressures, ensuring reliability in heavy-duty applications. Compatible with Cummins QSC/QSL engine series, this turbocharger delivers optimized airflow and boost pressure, making it ideal for commercial vehicles, industrial machinery, and construction equipment.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialStainless Steel/High-Strength AlloyWithstands exhaust gas corrosion and high-temperature environments
Boost Pressure0.8–1.2 barEnhances engine power in diesel trucks and generators
Rotational SpeedUp to 150,000 RPMMaintains performance under sustained load conditions
CompatibilityCummins QSC/QSL Engine SeriesDirect-fit replacement for commercial diesel engines
Warranty6 MonthsPeace of mind for critical engine components

Customization guide

Adjust turbine size, compressor design, and bearing type to meet specific engine performance needs. For example, increasing turbine inlet diameter improves airflow in high-altitude applications.

Get inspired

The HX40W turbocharger’s robust construction and precise engineering make it a cornerstone for boosting engine efficiency. Whether you’re upgrading a construction vehicle or optimizing a generator, this turbocharger ensures reliable power delivery under demanding conditions.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Boost Pressure0.8 bar+15% (0.92 bar)+30% (1.04 bar)*
Rotational Speed150,000 RPM165,000 RPM195,000 RPM
Material GradeStandard AlloyHeat-Treated AlloyAerospace-Grade

Supplier's note

  1. Technical Breakthroughs:

    • Aerospace-Grade Material: The Pro Model’s titanium-alloy turbine withstands temperatures up to 1,000°C, outperforming industry-standard materials by 40%.
    • Variable Geometry: The Advanced Model’s adjustable vanes optimize airflow across RPM ranges, improving low-end torque by 25%.
    • Digital Boost Control: The Base Model integrates a smart sensor for real-time pressure regulation, reducing lag by 15% compared to traditional designs.

  2. Optimal Version Selection:

    • Base Model: Ideal for standard commercial trucks and light industrial engines requiring reliable, cost-effective performance.
    • Advanced Model: Suited for medium-duty applications like agricultural machinery, where variable load conditions demand adaptive airflow control.
    • Pro Model: Designed for heavy-duty trucks and mining equipment, where extreme temperatures and continuous operation require unmatched durability.

With the Pro Model’s aerospace-grade turbine, you can safely handle exhaust temperatures exceeding 950°C—critical for prolonged use in mining operations. Pair its high rotational speed with the digital boost control to achieve 30% faster acceleration in dump trucks.

Frequently asked questions

  • Which Cummins diesel engines is the HX40W turbocharger compatible with?

  • What maintenance steps are required for the Cummins HX40W turbocharger?

  • How does the stainless steel construction of the HX40W turbocharger benefit diesel engines?

  • Can the HX40W turbocharger be customized for specific Cummins engine models?

  • Is the HX40W turbocharger compliant with Cummins' original equipment specifications?

  • How does the HX40W turbocharger improve engine performance in diesel applications?

  • What warranty and support options are available for the Cummins HX40W turbocharger?

  • Are there specific installation requirements for the HX40W turbocharger in Cummins engines?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Boost PressureHigh-performance diesel engines0.8 bar (Industry) vs 0.9 bar (▲) vs 1.1 bar (▲▲▲) (SAE J1729-compliant)Enhances power/torque (+12.5% Base, +37.5% Advanced vs Industry)Requires compatible engine components; Advanced may need custom tuning
Turbine Inlet Temp ResistanceHeavy-duty trucks in extreme conditions800°C (Industry) vs 850°C (▲) vs 900°C (▲▲) (ASTM E2023)Withstands prolonged high-temperature exhaust (Advanced: 12.5% hotter than Industry)Higher material costs for Advanced versions
Compressor EfficiencyCommercial vehicles prioritizing fuel economy75% (Industry) vs 78% (▲) vs 82% (▲▲) (ISO 1585 standard)Reduces lag and improves fuel efficiency (Advanced: 9% better than Industry)Efficiency gains may plateau at higher RPMs
Operational Noise LevelPassenger vehicles in urban areas60 dB (Industry) vs 58 dB (▲) vs 55 dB (▲▲) (ISO 3744 measurement)Quieter than a normal conversation (Advanced: 55 dB ▲▲)Slightly reduced airflow in Advanced designs
Unit WeightCompact engine installations15 kg (Industry) vs 14 kg (▲) vs 13 kg (▲) (ISO 3833 weight standard)Lighter for easier handling (Advanced: 13% lighter than Industry)Lighter materials may reduce long-term durability in Advanced versions
Customization FlexibilitySpecialized machineryLimited (Industry) vs Moderate (▲) vs Full (▲▲) (Custom turbine/compressor sizes)Tailors performance to specific engine requirements (Advanced: Fully customizable)Advanced customization increases lead times and costs

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