The Caterpillar 3508 generator is listed with standby output of 620 kW, Diesel fuel, 60 Hz operation, 600 V output, and 3 phase.
Generator • Diesel • 60 Hz • 3 phase
Key specifications
Useful generator charts
Charts are shown only when this model has enough usable source data.
27.7 kW
47 kW
620 kW
485 kW
How the Caterpillar 3508 compares
Low, Typical and High are fixed generator-industry reference bands set by standby-output class. They do not change based on the models contained in this CSV.
Falls within the typical industry reference range for generators in this standby-output class.
Falls within the typical industry reference range for generators in this standby-output class.
Falls within the typical industry reference range for generators in this standby-output class.
Generator information
| Manufacturer | Caterpillar |
|---|---|
| Model | 3508 |
| Generator type | Generator |
| Fuel | Diesel |
| Frequency | 60 Hz |
Electrical output
| Standby power | 620 kW |
|---|---|
| Prime power | 485 kW |
| Standby kVA | 805.0 |
| Voltage options | 600 V |
| Phase | 3 phase |
| Power factor | 0.7 |
| Circuit breaker | 1600 A |
Engine, cooling and controls
| Engine model | Caterpillar 3508B |
|---|---|
| Engine displacement | 2, 105 cu in (34.5 L) |
| Aspiration / cooling | Watercooled Diesel |
| Rated engine speed | 1000 rpm |
| Engine oil capacity | 63.4 gal (240 L) |
| Engine coolant capacity | 14.5 gal (55 L) |
| Oil capacity | 27.5 gal (104 L) |
| Coolant capacity | 75.3 gal (285 L) |
| Maximum ambient | 176 °F (80 °C) |
| Controller | 1600 Amp Breaker, ADEM A3, EMCP 4.4, EMCPII+, Elec. Governor, Engine Safety Shutdowns, Stop Capability |
| Alternator | Caterpillar SR4 (4-pole, Class H insulation) |
| Emissions | EPA / Tier 2 |
Physical specifications
| Dry weight | 22, 346 lb (10, 136 kg) |
|---|---|
| Dimensions (L × W × H) | 309 × 12.2 × 70.9 in (7848 × 309 × 1802 mm) |
Fuel consumption
| Standby | 69.9 L/h @ 100% |
|---|---|
| Prime | 2672.9 gal/h (39.0 L/h) @ 10%; 3298.5 gal/h (62.0 L/h) @ 20%; 3582.8 gal/h (74.0 L/h) @ 25%; 3867.2 gal/h (87.0 L/h) @ 30%; 4379.0 gal/h (112.0 L/h) @ 40%; 4890.8 gal/h (137.0 L/h) @ 47%; 5175.2 gal/h (160.0 L/h) @ 50%; 5630.1 gal/h (194.0 L/h) @ 52%; 5800.7 gal/h (206.0 L/h) @ 60%; 6255.7 gal/h (232.0 L/h) @ 70%; 75%; 80%; 85%; 90%; 100% |
Maintenance and service parts
| Engine oil | Interval: 1000 hr; Specification: CF-4; Capacity: 470.0 L |
|---|---|
| Oil filter | Part number: 3890434; Interval: 1000 hr |
| Fuel filter | Part number: — | 1110716 | 1R0763; Interval: 1000 hr | 250 hr; Specification: Primary Filter | Secondary Filter |
| Air filter | Interval: 250 hr; Specification: Engine Air Cleaner Element |
| Coolant | Interval: 6000 hr; Capacity: 156.9 L |
| Belt | Interval: 250 hr; Specification: Alternator and fan drive belts |
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Caterpillar USA website.