140 Amp Alternator
2、Compatibility: Fits Bosch OEM numbers 0120689530, 0120689535, 0120689548, 0120689552, 0120689557, 0120689562, 012068956, 0120689571, 0120689573, 0120689574, 0120689577, 012068958, 0120689587, 0986038290, 0986041640, 0986044060, 0986045990, 1986A00001, 1986A00002, 1986A00003, 1986A00004, 1986A00007, 1986A00007, F04R30172, CA1236IR, CAATi, 95.400 ATi, 95.430 ATi, KAS, KASBOHRER, 6424 Bus1624IR, CA1667IR, 1-3128-25W, 12377N, 12610N, 0011545002, 0051544502, 0071541902, 0081547802, 011547302, A0011545002, A0051543502, A0051544502, A0061548602, A0071541902, A0081547802, A008154780280, A0131547302.
- Product Description
Premium 140 Amp Alternator for Heavy-Duty Commercial Vehicles
Our 140 Amp Alternator provides unmatched power for your fleet under harsh situations. This high-output charging solution from Wuxi Xitu Industry and Trade Co., Ltd. combines 20 years of manufacturing experience with IATF 16949 certification.
Our 6-phase alternator produces 80-90A at 800-1000 RPM idle thanks to its sturdy stator design and improved thermal dissipation architecture. Our 20,000 m² facility with 50+ precise equipment rigorously tests each unit for full-load performance at various RPM ranges. The product stays between 13.8V and 14.4V in various working settings, making it perfect for buses, trucks, and construction vehicles with several electrical systems.
With an annual manufacturing capacity of 500,000 units and proven compatibility across Mercedes-Benz, SCANIA, MAN, DAF, and Setra vehicles, our 6-month warranty guarantees OEM-equivalent dependability.
Technical Specifications
| Parameter | Description |
|---|---|
| Output Rating | 140 Amperes maximum continuous |
| Voltage | 12V & 24V compatible systems |
| Power Type | AC three-phase or six-phase design |
| Brush System | Brushed or brushless configuration |
| Idle Output | 80-90A at 800-1000 RPM |
| Housing Material | Aluminum alloy with corrosion-resistant coating |
| Windings | High-density copper for superior conductivity |
| Cooling System | Enhanced internal/external fan design |
| Mounting Options | Horizontal & vertical, standard bracket |
| Protection Rating | Fully sealed, dust & water resistant |
| Operating Temperature | -40°C to +125°C thermal cycling rated |
| Rectifier | Oversized diodes for high current throughput |
| Certifications | ISO 9001:2015, IATF 16949 |
| Compatibility | Bosch OEM equivalent (see reference numbers below) |
Wide Vehicle Compatibility
We directly replace alternators for many commercial vehicle platforms. It suits Setra and SCANIA buses (BK112, K114, K124, L94).
MAN bus operators can use RH352, RH402, LION'S COMFORT UL353, LION'S CITY G NG263, and NL 353F. It serves PEGASO 6424 buses and DAF 95-series trucks (95.310–95.430 ATi).
Mercedes-Benz trucks and buses, including models 1013, 1850, 2534, 2538, 2550, 3550, and O-series buses, benefit from fitting. This alternator fits Bosch OEM numbers 0120689530, 0120689535, 0120689548, 0986038290, 0986041640, 1986A00001-A00007, and Mercedes part numbers A0011545002, A0051544502, A0071541902, A0081547802.
Superior Performance Advantages
OEM-Equivalent Manufacturing Quality
Original equipment standards are followed throughout alternator manufacture. With factory-standard manufacture, our products are compatible with your vehicle's electrical architecture. Same dependability as original parts, without the premium price.
Advanced Thermal Management
Heavy-duty commercial activities heat up. Our improved cooling architecture has optimized airflow channels and high-quality fans. This design avoids heat soak that lowers standard unit voltage, ensuring steady output during high-load cycles.
High Idle Output Capability
Our 140 Amp Alternator generates 80-90 amps even when your car idles, unlike ordinary alternators. Emergency vehicles, utility trucks, and buses that operate auxiliary systems while stationary need this functionality.
Durable Construction Materials
Heat dissipation and corrosion resistance are improved by the aluminum housing. High-density copper windings minimize resistance and maximize efficiency. The rectifier assembly's large diodes carry considerable current without failure.
Extended Component Lifespan
High-quality NSK/SKF bearings and materials last 100,000 to 150,000 miles under regular use. This durability lowers your overall cost of ownership compared to inexpensive aftermarket options.
Rigorous Quality Control Process
IATF 16949-certified plant has extensive testing processes. Each product is full-load performance curve tested at 2,000, 4,000, and 6,000 RPM to ensure output consistency.
Thermal stability tests operate equipment at full power for long durations. We monitor heat saturation and diode efficiency to maintain alternator reliability during severe operations. Ripple voltage examination shows DC output has low AC leakage (sub 0.5V), shielding sensitive car ECUs from electrical noise.
For coastal and winter climate applications, we evaluate salt spray and corrosion. Ultrasonic sensors detect micro-vibrations indicating bearing wear in mechanical balance testing. A thoroughly verified product is guaranteed by this multi-stage examination.
Professional Manufacturing Capabilities
Wuxi Xitu has a sophisticated 20,000 m² production facility with over 50 equipment for precise manufacture and testing. Our yearly capacity surpasses 500,000 units, serving major OEM and aftermarket projects with reliable lead times.
Our expert R&D team improves product structure and performance. We customize for market needs. Over two decades of automotive electrical systems experience means we understand commercial vehicle applications' complicated needs.
Our raw material inspection and end product testing are rigorous. We are ISO 9001:2015 and IATF 16949 certified, proving our production excellence and continuous improvement.
FAQ
Q: Will this 140A alternator replace my 90A one?
A: Direct replacement is feasible. You should update the alternator-to-battery, battery-to-ground, and engine-to-ground wiring in your charging system To avoid overheating and for safety, use wider gauge wire for the higher current.
Q: Why does operating temperature sometimes lower alternator output?
A: This is called "heat soak," when electrical resistance rises with temperature. The high-temperature voltage regulators in our professional systems compensate for this impact and prevent internal components from heat damage.
Q: Does this alternator work with LiFePO4 batteries?
A: A compatible internal voltage regulator or external DC-to-DC charger is needed. Lower internal resistance in lithium batteries might cause excessive current draw and alternator overheating. Proper charging system design protects lead-acid and lithium batteries.
Q: Can I check my alternator's output?
A: Ask your provider for a computerized bench test report. This document should verify output at all RPMs. Beware of devices that claim 140A ratings at dangerously high speeds.
Q: Do you provide warranties?
A: All of our alternators have a 6-month warranty. Your peace of mind is ensured by our free expert servicing or replacement of any equipment with non-human-induced quality concerns.
Q: Does this alternator function in harsh environments?
A: Yes. Our dust- and water-resistant, sealed design works from -40°C to +125°C. This corrosion-resistant coating and sturdy construction make it suited for coastal marine, winter road salt exposure, and high-temperature desert activities.
Contact Us
Ready to upgrade your fleet's electrical performance with 140 Amp Alternator? Our dedicated technical team provides prompt guidance for application selection, installation support, and after-sales service.
Email: arisa@xitu-auto.com.
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