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ARCO Zeus A8000-48V High Output Alternator, 3.15"R Dual Foot, Rear Exit B+, External Only, Isolated Ground (4602)
Model: 4602 · SKU: 4602
Prepared Nov 12, 2026
Common specifications
| Rated output current | 180 ASource [2, 3] |
|---|---|
| Sustained output current | 78 ASource [2, 3] |
| System voltage | 48 VSource [2, 3] |
| Rotation | Not documented |
| Ground type | Isolated GroundSource [2] |
| Mounting | 3.15"R Dual Foot, Rear Exit B+Source [2] |
| Pulley | 49mm K6 (6 groove)Source [2] |
| Cut-in speed (RPM) | 1,920 RPMSource [3] |
| Maximum speed (RPM) | 19,000 RPMSource [3] |
| Stator size | |
| Regulator included | External OnlySource [2, 3] |
| Cooling | Dual cooling fansSource [2, 3] |
| Efficiency | Not documented |
| Operating temperature | 100 M °CSource [3] |
| Weight | Not documented |
| Dimensions | Not documented |
| Enclosure volume | Not documented |
| Warranty term | Not documented |
All recorded specifications
| Cooling | Dual cooling fansDocumented claim ConditionsPrinted as "Dual cooling fans" on ARCO's product page and "Dual Cooling fans" in the brochure's High Output Alternators list, which covers every Zeus high output alternator. Location: Product page description, "Coolest operating temperatures" list; brochure, High Output Alternators list Printed as "Dual cooling fans" on ARCO's product page and "Dual Cooling fans" in the brochure's High Output Alternators list, which covers every Zeus high output alternator. Location: Product page description, "Coolest operating temperatures" list; brochure, High Output Alternators list Official product page · ARCO Marine product page: ARCO Zeus A8000-48V High Output Alternator (arcomarine.com, October 27, 2026 capture)Official document · ARCO Zeus High Energy Collection brochure: Bluetooth Alternator Regulator & High Output Alternators (v2, arcomarine.com, October 27, 2026 capture) [2, 3] |
|---|---|
| Cut-in speed (RPM) | 1,920 RPMDocumented claim ConditionsPrinted as "Cut-In RPM 1,920 Alternator RPM" in the A8000-48V product page's Technical Specifications, which cover every part number of the page. Location: Product page, Technical Specifications, Cut-In RPM row Printed as "Cut-In RPM 1,920 Alternator RPM" in the A8000-48V product page's Technical Specifications, which cover every part number of the page. Location: Product page, Technical Specifications, Cut-In RPM row |
| Ground type | Isolated GroundDocumented claim ConditionsPrinted in the Ground Type column of the brochure row "48V 9,630 (180) 4,173 (78) 3.15"R Dual Foot, Rear Exit B+ External Only Isolated Ground 49mm K6 (6 groove) 4602". Location: Brochure, A8000-48V DETAILS table, Ground Type column for part 4602 Printed in the Ground Type column of the brochure row "48V 9,630 (180) 4,173 (78) 3.15"R Dual Foot, Rear Exit B+ External Only Isolated Ground 49mm K6 (6 groove) 4602". Location: Brochure, A8000-48V DETAILS table, Ground Type column for part 4602 |
| Maximum speed (RPM) | 19,000 RPMDocumented claim ConditionsPrinted as "Maximum Alt RPM 19,000" in the A8000-48V product page's Technical Specifications. Location: Product page, Technical Specifications, Maximum Alt RPM row Printed as "Maximum Alt RPM 19,000" in the A8000-48V product page's Technical Specifications. Location: Product page, Technical Specifications, Maximum Alt RPM row |
| Mounting | 3.15"R Dual Foot, Rear Exit B+Documented claim ConditionsThe housing (mount) ARCO's brochure prints for part 4602, row "48V 9,630 (180) 4,173 (78) 3.15"R Dual Foot, Rear Exit B+ External Only Isolated Ground 49mm K6 (6 groove) 4602"; ground type Isolated Ground, pulley 49mm K6 (6 groove). Location: Brochure, A8000-48V DETAILS table, Housing column for part 4602 The housing (mount) ARCO's brochure prints for part 4602, row "48V 9,630 (180) 4,173 (78) 3.15"R Dual Foot, Rear Exit B+ External Only Isolated Ground 49mm K6 (6 groove) 4602"; ground type Isolated Ground, pulley 49mm K6 (6 groove). Location: Brochure, A8000-48V DETAILS table, Housing column for part 4602 |
| Operating temperature | 100 M °CDocumented claim ConditionsPrinted as "Max Continuous Operating Temperature 100°C" with its Fahrenheit figure in the product page's Technical Specifications; ARCO prints a maximum continuous operating temperature only, no lower limit. Location: Product page, Technical Specifications, Max Continuous Operating Temperature row Printed as "Max Continuous Operating Temperature 100°C" with its Fahrenheit figure in the product page's Technical Specifications; ARCO prints a maximum continuous operating temperature only, no lower limit. Location: Product page, Technical Specifications, Max Continuous Operating Temperature row |
| Pulley | 49mm K6 (6 groove)Documented claim ConditionsPrinted in the Pulley column of the brochure row "48V 9,630 (180) 4,173 (78) 3.15"R Dual Foot, Rear Exit B+ External Only Isolated Ground 49mm K6 (6 groove) 4602". Location: Brochure, A8000-48V DETAILS table, Pulley column for part 4602 Printed in the Pulley column of the brochure row "48V 9,630 (180) 4,173 (78) 3.15"R Dual Foot, Rear Exit B+ External Only Isolated Ground 49mm K6 (6 groove) 4602". Location: Brochure, A8000-48V DETAILS table, Pulley column for part 4602 |
| Rated output current | 180 ADocumented claim ConditionsThe maximum output current ARCO prints for part 4602: its brochure's A8000-48V DETAILS table row "48V 9,630 (180) 4,173 (78) 3.15"R Dual Foot, Rear Exit B+ External Only Isolated Ground 49mm K6 (6 groove) 4602" (Maximum Output column 9,630 (180)), and the product page's Technical Specifications row "Max Output (Cold, 9,000 RPM) at 53.5V 9,630 Watts - 180 Amps". Maximum output is the cold figure at 9,000 alternator RPM. The product page prints "Sustained Cruising Output (Hot, 6,000 RPM) at 53.5V 7,383 Watts - 138 Amps" and "Sustained Idle Output (Hot, 2,500 RPM) at 53.5V 4,173 Watts - 78 Amps". ARCO says "cold" testing was done at 71 °F and measures "hot" output after 60 minutes at 3,000 RPM under a plexiglass shield. Location: Brochure, A8000-48V DETAILS table, row for part 4602; product page, Technical Specifications, Max Output row The maximum output current ARCO prints for part 4602: its brochure's A8000-48V DETAILS table row "48V 9,630 (180) 4,173 (78) 3.15"R Dual Foot, Rear Exit B+ External Only Isolated Ground 49mm K6 (6 groove) 4602" (Maximum Output column 9,630 (180)), and the product page's Technical Specifications row "Max Output (Cold, 9,000 RPM) at 53.5V 9,630 Watts - 180 Amps". Maximum output is the cold figure at 9,000 alternator RPM. The product page prints "Sustained Cruising Output (Hot, 6,000 RPM) at 53.5V 7,383 Watts - 138 Amps" and "Sustained Idle Output (Hot, 2,500 RPM) at 53.5V 4,173 Watts - 78 Amps". ARCO says "cold" testing was done at 71 °F and measures "hot" output after 60 minutes at 3,000 RPM under a plexiglass shield. Location: Brochure, A8000-48V DETAILS table, row for part 4602; product page, Technical Specifications, Max Output row Official document · ARCO Zeus High Energy Collection brochure: Bluetooth Alternator Regulator & High Output Alternators (v2, arcomarine.com, October 27, 2026 capture)Official product page · ARCO Marine product page: ARCO Zeus A8000-48V High Output Alternator (arcomarine.com, October 27, 2026 capture) [2, 3] |
| Regulator included | External OnlyDocumented claim ConditionsARCO's brochure prints the regulation of part 4602 as "External Only" (row "48V 9,630 (180) 4,173 (78) 3.15"R Dual Foot, Rear Exit B+ External Only Isolated Ground 49mm K6 (6 groove) 4602"). The product page explains: "These units will come with a terminal block and a P-Type harness. They will only work with an external regulator". A regulator is not part of an External Only unit; ARCO names its Zeus Bluetooth regulator for these. Location: Brochure, A8000-48V DETAILS table, Regulation column for part 4602; product page, Regulation notes ARCO's brochure prints the regulation of part 4602 as "External Only" (row "48V 9,630 (180) 4,173 (78) 3.15"R Dual Foot, Rear Exit B+ External Only Isolated Ground 49mm K6 (6 groove) 4602"). The product page explains: "These units will come with a terminal block and a P-Type harness. They will only work with an external regulator". A regulator is not part of an External Only unit; ARCO names its Zeus Bluetooth regulator for these. Location: Brochure, A8000-48V DETAILS table, Regulation column for part 4602; product page, Regulation notes Official document · ARCO Zeus High Energy Collection brochure: Bluetooth Alternator Regulator & High Output Alternators (v2, arcomarine.com, October 27, 2026 capture)Official product page · ARCO Marine product page: ARCO Zeus A8000-48V High Output Alternator (arcomarine.com, October 27, 2026 capture) [2, 3] |
| Stator size | 138 mm5.43 in convertedDocumented claim ConditionsPrinted as "Stator Size 138mm" in the A8000-48V product page's Technical Specifications. Location: Product page, Technical Specifications, Stator Size row Printed as "Stator Size 138mm" in the A8000-48V product page's Technical Specifications. Location: Product page, Technical Specifications, Stator Size row |
| Sustained output current | 78 ADocumented claim ConditionsThe sustained idle output ARCO prints for part 4602: the brochure row "48V 9,630 (180) 4,173 (78) 3.15"R Dual Foot, Rear Exit B+ External Only Isolated Ground 49mm K6 (6 groove) 4602" (Sustained Idle Output column 4,173 (78); its footnote reads "*3,000 alternator RPM sustained under load and hot conditions for 1 hour.") and the product page's "Sustained Idle Output (Hot, 2,500 RPM) at 53.5V 4,173 Watts - 78 Amps". The page also prints "Sustained Cruising Output (Hot, 6,000 RPM) at 53.5V 7,383 Watts - 138 Amps". ARCO measures "hot" output after the alternator has run 60 minutes at 3,000 RPM under a plexiglass shield. The product page prints the idle figure at 2,500 RPM; the brochure footnote says 3,000 alternator RPM. Location: Brochure, A8000-48V DETAILS table, Sustained Idle Output column for part 4602; product page, Technical Specifications, Sustained Idle Output row The sustained idle output ARCO prints for part 4602: the brochure row "48V 9,630 (180) 4,173 (78) 3.15"R Dual Foot, Rear Exit B+ External Only Isolated Ground 49mm K6 (6 groove) 4602" (Sustained Idle Output column 4,173 (78); its footnote reads "*3,000 alternator RPM sustained under load and hot conditions for 1 hour.") and the product page's "Sustained Idle Output (Hot, 2,500 RPM) at 53.5V 4,173 Watts - 78 Amps". The page also prints "Sustained Cruising Output (Hot, 6,000 RPM) at 53.5V 7,383 Watts - 138 Amps". ARCO measures "hot" output after the alternator has run 60 minutes at 3,000 RPM under a plexiglass shield. The product page prints the idle figure at 2,500 RPM; the brochure footnote says 3,000 alternator RPM. Location: Brochure, A8000-48V DETAILS table, Sustained Idle Output column for part 4602; product page, Technical Specifications, Sustained Idle Output row Official document · ARCO Zeus High Energy Collection brochure: Bluetooth Alternator Regulator & High Output Alternators (v2, arcomarine.com, October 27, 2026 capture)Official product page · ARCO Marine product page: ARCO Zeus A8000-48V High Output Alternator (arcomarine.com, October 27, 2026 capture) [2, 3] |
| System voltage | 48 VDocumented claim ConditionsPrinted as "Voltage 48V" in the product page's Technical Specifications and as the Voltage column of the brochure row "48V 9,630 (180) 4,173 (78) 3.15"R Dual Foot, Rear Exit B+ External Only Isolated Ground 49mm K6 (6 groove) 4602". Location: Brochure, A8000-48V DETAILS table, Voltage column; product page, Technical Specifications, Voltage row Printed as "Voltage 48V" in the product page's Technical Specifications and as the Voltage column of the brochure row "48V 9,630 (180) 4,173 (78) 3.15"R Dual Foot, Rear Exit B+ External Only Isolated Ground 49mm K6 (6 groove) 4602". Location: Brochure, A8000-48V DETAILS table, Voltage column; product page, Technical Specifications, Voltage row Official document · ARCO Zeus High Energy Collection brochure: Bluetooth Alternator Regulator & High Output Alternators (v2, arcomarine.com, October 27, 2026 capture)Official product page · ARCO Marine product page: ARCO Zeus A8000-48V High Output Alternator (arcomarine.com, October 27, 2026 capture) [2, 3] |
Warranty
Certificate records
No records documented.
Sources and revisions
- ARCO Zeus Alternator Installation Guide 2025 (TECH-001 REV-B 8/18/25, arcomarine.com, October 29, 2026 capture)Official installation manual · Revision TECH-001 REV-B · 2025-08-18 · Checked https://cdn.shopify.com/s/files/1/0110/9521/2098/files/TECH-001_ARCO_Zeus_Alternator_Installation_Guide_2025.pdf?v=1755639945
- ARCO Zeus High Energy Collection brochure: Bluetooth Alternator Regulator & High Output Alternators (v2, arcomarine.com, October 27, 2026 capture)Official document · Revision 1001 Cat 1 Rev A · Checked https://cdn.shopify.com/s/files/1/0110/9521/2098/files/The_ARCO_Zeus_Collection_Brochure_v2_488a3d13-7f71-461e-8999-4f88397839fc.pdf?v=1762453970
- ARCO Marine product page: ARCO Zeus A8000-48V High Output Alternator (arcomarine.com, October 27, 2026 capture)Official product page · Checked https://arcomarine.com/products/arco-zeus-a8000-48v-high-output-alternator-isolated-ground
- ARCO Zeus High Output Alternator Wiring Connection Instructions (TECH001 - REV001 7/31/25, arcomarine.com, October 29, 2026 capture)Official document · Revision TECH001 - REV001 · 2025-07-31 · Checked https://cdn.shopify.com/s/files/1/0110/9521/2098/files/ARCO_Zeus_Alternator_insert_2025_V3.pdf?v=1754409647
- ARCO Zeus Alternator & Regulator OEM Troubleshooting Guide (TECH-002 REV-A 7/31/25, arcomarine.com, October 29, 2026 capture)Official instruction manual · Revision TECH-002 REV-A · 2025-07-31 · Checked https://cdn.shopify.com/s/files/1/0110/9521/2098/files/TECH-002_ARCO_Zeus_Alternator_Regulator_OEM_Troubleshooting_Guide.pdf?v=1755639958
- ARCO Zeus Installation Audit v1.0 (TECH-004 REV-A 7/31/2025, arcomarine.com, October 29, 2026 capture)Official instruction manual · Revision TECH-004 REV-A · 2025-07-31 · Checked https://cdn.shopify.com/s/files/1/0110/9521/2098/files/TECH-004_ARCO_Zeus_Installation_Audit_v1.0.pdf?v=1755639979
- ARCO Zeus High Energy Collection brochure (file The_ARCO_Zeus_Collection_Brochure.pdf, arcomarine.com, October 29, 2026 capture)Official document · Revision 1001 Cat 1 Rev A · Checked https://cdn.shopify.com/s/files/1/0110/9521/2098/files/The_ARCO_Zeus_Collection_Brochure.pdf?v=1743020364