The ARCO Marine Zeus A220 is a heavy-duty 12V high-output alternator engineered for demanding marine and diesel engine applications. This unit is built to support large battery banks and heavy electrical loads, effectively reducing reliance on onboard generators by generating high power output directly from the engine.
Featuring dual internal cooling fans, the Zeus A220 operates at exceptionally cool temperatures to maintain sustained performance and extended service life under heavy duty conditions. Regulatory note: This unit requires an external regulator for operation and is SAE J1171 certified.
Key Specifications:
- Max Output (Cold): 249 amps
- Sustained Cruising Output (Hot, 6,000 RPM): 228 amps
- Sustained Idle Output (Hot, 3,000 RPM): 200 amps
- Regulation: External (EX) only; includes terminal block and P-Type harness
- Mounting: Pad mount
- Max Continuous Operating Temperature: 125°C
- Cut-In RPM: 1,288
- Maximum Alternator RPM: 10,000
- Weight: 18.7 lb
- Physical Specs: K8 59 mm pulley, M8 threaded rear battery post, and 7/8 in. (22.22 mm) shaft diameter
- Certification: SAE J1171
Product facts
- CT SKU
- CT-166557
- UPC / GTIN
- 735380504229
- Package weight
- 21.0 lb
Fit-sensitive item: confirm measurements, model numbers, and manufacturer details before ordering. Tug & Tow does not guarantee universal compatibility from a product page alone.
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Shipping & returns
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Fit & compatibility
Fit & compatibility
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