Zeus A275L Transit Alternator with Regulator

The highest power output alternator in its size/class.

Features:

Engineered for High Energy Production.
Suitable for Marine, RV, Military, and Commercial applications.
Rapidly charges large battery banks.
Coolest operating temperatures for increased performance. Runs 8 - 20% cooler than incumbent alternators due to:

- Heat shedding coatings

- Rectifier located on housing exterior

- Dual cooling fans

- OEM Components

It is optimized for performance at idle speeds.
Reduces the need for a generator by creating additional power with your engine.
Unleash peak performance with E-Coat/Cerakote. Our advanced coating absorbs less heat, keeping the A275L cooler. This translates to more amperage for sustained periods.
Use an ARCO Zeus Bluetooth alternator regulator for maximum performance or lithium battery charging.
SAE J1171 Certified.
Made in the U.S.A.

Technical Specifications:

Voltage - 12v
Field Type - P
Rotor Poles - 16
Stator Size - 138mm
Frame Size - Large
Weight - 14.9 lbs/6.7 kg
Regulation - Internal/External (Internally regulated with adaptor for optional external regulation.)
Output Voltage - 14.1v (Default)
Finish - (Black) Cerakote or E-coating
Cut-In RPM - 1,061 Alternator RPM
Maximum Alt RPM - 19,000
Battery Post - M8 Thread Post, Side Mount
Standard Pulley - 49K6 (6-groove, 49mm)
Pulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5
Pulley Hardware - M17 x 1.5 x 24mm nut, w/ 18mm ID x 29mm OD washer (Included)
Diodes - 6 positive, 6 negative, 50A Rated, Avalanche
Max Output (Cold, 9,000 RPM) - 311 Amps
Sustained Cruising Output (Hot, 6,000 RPM) - 227 Amps
Sustained Idle Output (Hot, 3,000 RPM) - 198 Amps
Max Continuous Operating Temperature - 110°C / 230°F

Mounting Application:

Replaces Ford Transit alternators 3.5L & 3.7L Gas engines 2015-2022

Quick Guide (pdf)
Brochure (pdf)

Note: This product is supported by the original U.S. manufacturer. In case of a proven defect, returns remain possible under our standard return policy, but resolution may involve direct coordination with the manufacturer.

ARCO Marine Zeus A275L Transit Alternator w/Regulator [A275L-12-TR-IE-49K6]