ARCO Marine / Alternators

ARCO Marine Zeus A275L J-180 4" Alternator w/Terminal Block [4022]

$1,293.25 $1,473.47

Zeus A275L J-180 4" Alternator with Terminal Block

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.
It runs 8 - 20% cooler than incumbent alternators due to heat-shedding coatings, a refrigerator on the housing exterior, dual cooling fans, and 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 or lithium battery charging for maximum performance.
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 - External Only (These units will come with a terminal block and a P-Type harness. They will only work with an external regulator, such as an ARCO Zeus Bluetooth alternator regulator.)
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: