Parameter | Specification |
Voltage | 12V |
Output Current | 300A - 320A |
Speed Range | Continuous: 10,000 RPM; Intermittent: 12,000 RPM |
Weight | Approx. 25-30 lbs (varies by configuration) |
Terminals | #10 R and I terminals; 5/16 B+ output |
Cooling System | Dual internal fans |
Protection | Overvoltage protection |
Efficiency | High-efficiency design, fuel-saving |
Key Features of the WB2446 OEM 8600298 40SI Heavy Duty Alternator
Brushless Design:
Eliminates brush wear, extending lifespan and minimizing maintenance.
Dual Fan Cooling:
Ensures reliable operation in extreme heat, ideal for heavy-duty conditions.
Remote Sense:
Precisely monitors battery voltage for optimized charging and extended battery life.
High Durability:
Built to withstand vibration, dust, and moisture in demanding environments.
Fuel Efficiency:
Delivers 20% more power at idle, reducing engine load and fuel consumption.
Easy Installation:
Pad mount design compatible with standard heavy-duty setups; select models include a 3-year warranty.
Upgrade Path:
Compatible with higher-output 55SI series (e.g., 8600473, 430A) for increased power needs.
OEM 8600298 WB2446 Alternator Replacement Applications
Engines: Cummins ISX (14.9L L6, 912 CID, 2014-2025); Caterpillar 3208, C15; Detroit Diesel Series 60 (12.4L L6, 758 CID).
Vehicles: Freightliner, Kenworth, Peterbilt, International trucks; also suitable for marine and industrial equipment.
Year Range: Primarily 2014-2025 models, with adapter compatibility for older vehicles.
WB2446 40SI Alternator Cross Reference & OEM Comparison
| Brand / Supplier | Reference Numbers | Notes |
| Elecdurauto | WB2446 | Supplier-specific code; compatible with 12V heavy-duty 40SI |
| Delco Remy | 8600628 (320A), 8600298 (300A), 8600414 | OEM reference models for 40SI alternators |
| WAI / Transpo | 8912 / 8912N | Maps to Delco 8600628 (320A) |
| Lester | 8752, 400-12742 | Maps to Delco 8600298 (300A) |
| Leece Neville | 8600094 | Equivalent heavy-duty alternator model |
| Caterpillar | 304-8752 | OEM cross-reference for industrial applications |
| Premier Gear | PG-8912 | Aftermarket equivalent for 40SI replacement |
Quality Standards & Testing for OEM 8600298 WB2446 Heavy Duty Alternator
Each alternator is manufactured to IATF 16949 standards and undergoes:
Dynamic performance testing at full load (24V/160A)
Vibration and heat endurance validation
Regulator response and over-voltage protection checks
Only products that pass 100% end-of-line testing are released for shipment.
![ISO 9001, ISO 14001, ISO 45001, IATF 16949 certified ignition coil manufacturer for OEM and aftermarket supply]()
Ideal for Heavy-Duty Fleets & Distributors
We support flexible wholesale models to help distributors and importers grow in their market:
Designed for fleet operators, OEM service networks, and aftermarket distributors
Longer lifecycle means fewer replacements and lower downtime
Consistent charging reduces ECU fault codes and battery replacement frequency
Supported by OEM-grade technical documentation and warranty
Why Choose Elecdurauto Heavy-Duty Alternators
At Elecdurauto, I focus on providing heavy-duty alternators that combine OEM-grade performance with business-driven advantages for global distributors, fleets, and aftermarket brands. Each alternator is designed for power, reliability, and profitability.
Factory-Level Engineering
Produced under the same standards as leading OE brands like Delco Remy, Bosch, and Valeo, ensuring precise fitment, high efficiency, and long service life.
100% Quality Testing
Every alternator undergoes vibration, durability, and full-load testing to guarantee stable output under the harshest operating conditions.
Broad Product Range
Comprehensive coverage across 12V and 24V alternators (100A–275A) for trucks, buses, construction, and marine applications.
Reliable Supply for B2B Buyers
Flexible capacity and bulk inventory support ensure stable availability for distributors, fleet operators, and OEM customers.
Exclusive Product Advantage
Some alternator models are market-exclusive, helping partners capture early opportunities in high-demand segments.
Fast Response
All inquiries receive a reply within 24 hours, keeping your sourcing process quick and efficient.
Custom Development
Support for rapid mold opening and new product design, ideal for customized alternator applications.
Competitive Pricing
Benefit from low-cost new releases and the most competitive prices on stocked models, helping your business maximize margins.
Expert After-Sales Support
Receive professional technical guidance and installation support from experienced alternator engineers.
