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  • 12V 130AMP DC Alternator Diesel Engine Heavy Duty Brushless Alternators 3675225RX 4083445 10459456 19020375
  • 12V 130AMP DC Alternator Diesel Engine Heavy Duty Brushless Alternators 3675225RX 4083445 10459456 19020375
  • 12V 130AMP DC Alternator Diesel Engine Heavy Duty Brushless Alternators 3675225RX 4083445 10459456 19020375
  • 12V 130AMP DC Alternator Diesel Engine Heavy Duty Brushless Alternators 3675225RX 4083445 10459456 19020375
  • 12V 130AMP DC Alternator Diesel Engine Heavy Duty Brushless Alternators 3675225RX 4083445 10459456 19020375
  • 12V 130AMP DC Alternator Diesel Engine Heavy Duty Brushless Alternators 3675225RX 4083445 10459456 19020375
12V 130AMP DC Alternator Diesel Engine Heavy Duty Brushless Alternators 3675225RX 4083445 10459456 19020375

12V 130AMP DC Alternator Diesel Engine Heavy Duty Brushless Alternators 3675225RX 4083445 10459456 19020375

  • 5 - 19 Pieces
    $1,100
  • >= 20 Pieces
    $440

Customization:

Graphic customization（Min.Order: 10 pieces）
Customized packaging（Min.Order: 300 pieces）
Customized logo（Min.Order: 100 pieces）
View product details

12V 130AMP DC Alternator Diesel Engine Heavy Duty Brushless Alternators 3675225RX 4083445 10459456 19020375

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Power Generation: A heavy-duty brushless alternator designed to deliver 12V and 130A of continuous power, ensuring reliable electrical supply for diesel engine systems in demanding environments.
  • Durability & Efficiency: Built with robust metal construction (aluminum/steel) to withstand high temperatures and mechanical stress, optimized for long-term performance in commercial and industrial applications.

Key features

  • 1. Durable Metal Construction for Harsh Environments

    • With a corrosion-resistant metal body (likely aluminum or steel), this Cummins alternator withstands extreme temperatures and mechanical stress, ensuring longevity in demanding industrial or automotive settings.

  • 2. High-Output Performance for Heavy-Duty Applications

    • With a 130A output at 12V, this alternator delivers ~30% more power than standard 100A models*, enabling reliable operation in trucks, buses, or machinery requiring robust electrical systems.

  • 3. Commercial-Grade Reliability for Continuous Use

    • Designed for continuous operation in diesel engines, this alternator supports uninterrupted power supply for commercial vehicles or industrial equipment, minimizing downtime.

  • 4. Brand-Backed Quality and Compatibility

    • Engineered by Cummins, a leader in engine components, this alternator is certified for precision manufacturing and guaranteed compatibility with Cummins diesel engines (models 3675225RX, 4083445, etc.).

  • 5. Compact, Secure Mounting for Easy Installation

    • With robust mounting points and threaded connections, this alternator installs seamlessly onto engines, ensuring stable performance even in high-vibration environments.

Product details

12V 130AMP DC Alternator Diesel Engine Heavy Duty Brushless Alternators 3675225RX 4083445 10459456 19020375

The Cummins 12V 130AMP DC Alternator (Model 4003445) is a heavy-duty brushless alternator designed for diesel engines in trucks and industrial machinery. Built with durable aluminum/steel construction, it delivers reliable power output in harsh environments. Compatible with Cummins engines and various diesel applications, this alternator ensures seamless integration and long-term performance.

Technical specifications

FeatureSpecificationApplication Scenario
Voltage12VStandard 12V electrical systems
Current Output130AHeavy-duty trucks, buses, and machinery
DesignBrushlessReduced maintenance for continuous use
MaterialAluminum/Steel HousingWithstands high temperatures and impacts
CompatibilityCummins Diesel Engines (Models: 3675225RX, 4083445, etc.)Truck fleets and industrial equipment

Customization guide

Adjustable parameters include output current (up to 140A) and mounting configurations to meet specific engine bay layouts or custom cooling requirements.

Get inspired

Power your fleet with confidence. Whether you’re managing a construction site or a long-haul trucking operation, this alternator ensures uninterrupted electrical power for critical systems like starters, lighting, and onboard electronics.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Current Capacity120A130A140A*
EfficiencyBaseline+15%+30%*
Durability RatingStandardEnhancedPremium (20% longer lifespan)
Noise Level85 dB80 dB75 dB*

Supplier's note

  1. Key Technical Breakthroughs:

    • Brushless Design: Eliminates wear-prone components, reducing downtime by 30%.
    • 130A Output: Powers heavy-duty systems 20% faster than traditional 12V alternators.
    • Aluminum Housing: 40% lighter than steel alternatives while maintaining heat resistance.

  2. Version Selection Guide:

    • Base Model: Ideal for standard trucks and light industrial use where cost-efficiency is prioritized.
    • Advanced Model: Best for medium-duty fleets requiring higher output (e.g., refrigerated trucks, generator sets).
    • Pro Model: Tailored for extreme environments (e.g., mining, offshore machinery) with its triple-certified chemical resistance and 140A capacity.

With its 130A output, you can power demanding electrical systems without overloading. The Pro version’s premium durability, for instance, enables safe handling of corrosive fluids in marine applications. Pair its low-noise design with heavy-duty trucks to improve operator comfort during long hauls.

Frequently asked questions

  • Which Cummins alternator model is best suited for heavy-duty diesel trucks requiring 130A output?

  • How do I maintain a Cummins 4003445 alternator for long-term use in harsh environments?

  • Why is metal construction preferred for Cummins diesel engine alternators like the 4003445?

  • Can the Cummins 4003445 alternator be customized for specific truck models?

  • Is the Cummins 4003445 alternator compatible with 2020+ Cummins ISX engines?

  • What makes the Cummins 4003445 alternator suitable for off-road machinery?

  • Does the Cummins 4003445 meet automotive safety and quality standards?

  • How does the 12V rating of the Cummins 4003445 alternator benefit diesel truck systems?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Heavy-Duty Diesel Truck AlternatorsLong-haul trucks, construction vehicles130A continuous output (SAE J1058) ▲▲▲, 12V, Brushless design (ISO 6803), Aluminum housing (ASTM B221)▲▲▲ Superior power for heavy loads, reduced maintenance (brushless), durable constructionHeavier, bulkier, higher cost compared to standard alternators
Standard Automotive AlternatorsPassenger cars, light trucks70–100A output (SAE J1058), 12V, Brushed/brushless (ISO 6803), Plastic/metal housingCost-effective, compact, widely compatible with most vehiclesLimited current capacity (▲▲), shorter lifespan in harsh conditions
Industrial Engine AlternatorsGenerators, stationary engines150–200A (SAE J1058) ▲▲▲▲, 12/24V adaptable, Explosion-proof (IECEx 60079-0)▲▲▲▲ Highest output for power generation, safety in hazardous environmentsExtremely high cost, specialized installation requirements
Marine Diesel AlternatorsBoats, ships100–150A (SAE J1058), Corrosion-resistant (ASTM B117), Waterproof (IP67)Resists saltwater corrosion, reliable in humid environmentsHeavier, requires marine-specific mounting and wiring
Agricultural Equipment AlternatorsTractors, harvesters120A (SAE J1058) ▲▲, 12V, Dust-resistant (ISO 16750-4)▲▲ Withstands dust/vibration, robust for farming conditionsLess common, harder to source, limited compatibility
High-Temperature AlternatorsEngines in extreme heat120A at 125°C (SAE J2788) ▲▲▲, Heat-resistant materials (ASTM D624)▲▲▲ Operates reliably in high-temperature environments (e.g., desert vehicles)Limited availability, higher cost, reduced efficiency in standard conditions

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