ARCO Zeus A225S-12V High Output Small Case Alternator

ARCO Zeus A225S-12V High Output Alternators

Choose from two small frame 225 Amp ARCO A225S 12-volt high-output alternators, both with Isolated Ground.

Available models:

• ARCO 4011 - Replaces most small case styles using a 3.15" saddle style mount (e.g., Hitachi, Lucas, Mitsubishi). Most Yanmar's. Requires a Standard single "V" belt upgrade to a Serpentine System.
• ARCO 4013 - For use with Yanmar* Bosch Common Rail engines introduced after 2013. (JH-CR, 3JH40, 4JH45, 4JH57, 4JH80, 4JH110) with 3.15"R Saddle (Rear Exit B+ Post)
• ARCO 4015 - Replaces most domestic styles using a single 1" or 2" mounting foot (e.g., Motorola, Prestolite). Requires a Standard single "V" belt upgrade to a double "V" belt, or Serpentine System.

• Replace your noisy generator
• Engineered for high energy production
• Suitable for marine, RV, military, and commercial applications
• Rapidly charges large battery banks
• Coolest operating temperatures for increased performance:
  • Heat-shedding coatings
  • Rectifier located on housing exterior
  • Dual cooling fans
  • OEM components
• 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, keeping the A275L cooler for sustained amperage output
• For maximum performance or lithium battery charging, use the ARCO Zeus Bluetooth Alternator Regulator
• SAE J1171 Certified
• Max Output (Cold, 9,000 RPM): 254 Amps
• Sustained Cruising Output (Hot, 6,000 RPM): 187 Amps
• Sustained Idle Output (Hot, 3,000 RPM): 157 Amps
• Standard Pulley: 49K6 (6-groove, 49mm)
• Both Models are externally regulated (EX), and 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.