Mechman Auto Electric

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Original alternator

Eicher‑Mitsubishi Alternator – 90 Amp (Part No. A4TA8494AM)

Upgrade or replace your vehicle’s charging system confidently with this 24 Volt, 90 Amp heavy‑duty alternator, built to exceed OEM standards:

Key Specifications:

Voltage: 24 V

Output: 90 Amps—delivers superb charging capacity for high electrical loads

Rotation: Clockwise (CW)

Pulley Type: Fixed

Number of Grooves: 6 or 8 (depending on engine fitment)

Pulley Diameter: Typically around 70–72 mm 

Fits Common Applications: Specifically matched to heavy‑duty commercial vehicles from Eicher‑Mitsubishi and compatible with Mitsubishi OEM part numbers, especially in the A4TR/A4TA series  .

Designed for Reliability: Crafted using genuine Mitsubishi Electric engineering, this alternator features advanced cooling vents, high-efficiency winding, and robust construction to deliver consistent performance even under intense usage and extreme environments  .

Ideal For:

Eicher commercial trucks and buses

Mitsubishi–branded heavy vehicles with 24 V electrical systems

Fleet-grade vehicles requiring dependable charging under load

Why Choose This Alternator?

OEM-Quality Fit: Built to factory specifications for a precise, bolt-on replacement

Long Service Life: High-durability design built to withstand vibration, heat, and heavy cycles 

Efficient Operation: Maintains system voltage around 14–14.5 V without causing overcharge even when higher amp output is available 

Plug-and-Play: CW rotation, fixed pulley, and standard terminals ensure hassle-free installation

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Use‑Case & Benefits

Ideal for fleets needing consistent electrical performance—operates reliably even when powering auxiliary systems like lighting, inverters, communication devices, and HVAC units.

Perfect match for 24 V commercial-duty systems requiring 90 Amps continuous output.

Offers peace of mind with construction backed by Mitsubishi Electric know-how and high standards in quality assurance.

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Installation & Replacements

Designed to replace Mitsubishi OE A4TA/A4TR series alternators.

Cross-compatible with various OEM codes like A004TA8494, A004TA0594, and related IR/IF series heavy-duty units  .

Standard terminal layout and pulley configuration ensure a clean swap—match to your system’s groove count and pulley spec before ordering.

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Summary

For those who need uncompromising reliability and performance, this Eicher-Mitsubishi 24 V, 90 Amp alternator (A4TA8494AM) delivers proven charging power in rugged heavy-duty applications. Whether replacing an aging OEM unit or upgrading your fleet’s electrical output, this alternator is engineered to last—and engineered to perform.

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We have been supplying starter motors and alternators for over 20 years and stock a comprehensive range of starter and alternator parts for cars, commercials, marine, plant & machinery, imports and 4x4's/ We supply brand new units and some reconditioned starters and alternators, which are factory rebuilt to ISO9002 quality standard.

We are Engaged in offering wide range of quality products to our clients , our products are really appreciated by our clients.  Original alternator

we are engaged in offering wide range of quality products to our clients , our products are really appreciated by our clients.