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1. What is the core information of the VOE17204355 (17204355) alternator?
| Item | Detailed Specification |
|---|---|
| Part Number | VOE17204355 (OEM part number, also marked as 17204355 for general supply; fully compliant with Volvo’s original equipment standards) |
| Product Name | 24V 80A Engine Alternator (Charging System Component for Excavators) |
| Applicable Model | Volvo EC360 Crawler Excavator (compatible with both standard and long-reach arm variants) |
| Core Voltage & Current | 24V DC output, 80A rated charging current |
| Core Function | Converts mechanical energy from the excavator’s engine into electrical energy to charge the battery and power on-board electrical systems (e.g., lights, control panels, hydraulic solenoid valves) |
| Matching Engine | Volvo D12D/D13D diesel engine (factory-matched for EC360’s powertrain) |
2. What are the key technical parameters of the alternator?
| Parameter | Specification |
|---|---|
| Rated Voltage | 24V DC |
| Rated Current | 80A |
| Maximum Output Current | 85A (short-term overload capacity for 10 minutes) |
| Input Rotation Speed Range | 1000 – 6000 rpm |
| Voltage Regulation Accuracy | ±0.5V (stable output within 23.5V-24.5V) |
| Phase | 3-phase AC (internal rectifier converts to DC) |
| Rectifier Type | Full-wave silicon diode rectifier (6 diodes for high efficiency) |
| Regulator Type | Built-in electronic voltage regulator (overcharge protection) |
| Mounting Standard | SAE J180 flange (direct bolt-on for EC360 engine) |
| Pulley Type | Grooved V-pulley (3 grooves, compatible with original engine belt) |
| Working Temperature Range | -40°C to +105°C (-40°F to 221°F) |
| Insulation Class | Class H (resistant to high-temperature engine bay environments) |
| Dry Weight | Approx. 18 kg (39.7 lbs) |
| Protection Rating | IP54 (dust-proof and water-resistant for construction site conditions) |
