The Caterpillar 3406 generator is listed with standby output of 240 kW, Diesel fuel, 50 Hz operation, 120/208 V, 208/240 V output, Three phase, and rated current of 56.7 / 64 / 71 A.
Generator • Diesel • 50 Hz • Three phase
Key specifications
Useful generator charts
Charts are shown only when this model has enough usable source data.
6.5 gal/hr
10.2 gal/hr
14.2 gal/hr
18.3 gal/hr
80.3 kW
43 kW
240 kW
240 kW
How the Caterpillar 3406 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 toward the low end of the fixed industry reference range for generators in this standby-output class.
Falls toward the low end of the fixed industry reference range for generators in this standby-output class.
Generator information
| Manufacturer | Caterpillar |
|---|---|
| Model | 3406 |
| Generator type | Generator |
| Fuel | Diesel |
| Frequency | 50 Hz |
Electrical output
| Standby power | 240 kW |
|---|---|
| Prime power | 240 kW |
| Standby kVA | 500.0 |
| Voltage options | 120/208 V, 208/240 V |
| Phase | Three phase |
| Rated current | 56.7 / 64 / 71 A |
| Power factor | 0.8 |
| Circuit breaker | 90 / 100 / 110 A |
Engine, cooling and controls
| Engine model | Caterpillar 3406C |
|---|---|
| Engine displacement | 891 cu in (14.6 L) |
| Aspiration / cooling | Petroleum |
| Rated engine speed | 2100 rpm |
| Engine oil capacity | 10 gal (38 L) |
| Engine coolant capacity | 24 gal (90.8 L) |
| Oil capacity | 9.01 gal (34.1 L) |
| Coolant capacity | 6.21 gal (23.5 L) |
| Maximum ambient | 170 °F (77 °C) |
| Controller | EMCP |
| Alternator | Caterpillar SR4 (4-pole, Class H insulation) |
| Emissions | IMO compliant |
Physical specifications
| Dry weight | 2, 989 lb (1, 356 kg) |
|---|---|
| Dimensions (L × W × H) | 64.3 × 2.5 × 32.8 in (1634 × 64 × 833 mm) |
Fuel consumption
| Standby | 6.5 gal/h (24.6 L/h) @ 25%; 10.2 gal/h (38.5 L/h) @ 50%; 14.2 gal/h (53.9 L/h) @ 75%; 18.3 gal/h (69.4 L/h) @ 100% |
|---|---|
| Prime | 251.0 gal/h (20.7 L/h) @ 25%; 5.5 gal/h (35.0 L/h) @ 40%; 19.5 gal/h @ 50%; 9.2 gal/h @ 75%; 16.3 gal/h @ 80%; 36.7 gal/h @ 100%; 20.8 gal/h |
Maintenance and service parts
| Engine oil | Interval: 250 hr; Capacity: 38.0 L |
|---|---|
| Oil filter | Interval: 250 hr |
| Fuel filter | Interval: 1000 hr |
| Air filter | Part number: 612506; Interval: 250 hr; Specification: Replace air filter at each oil change and every 250 hours or as needed. |
| Coolant | Interval: 1000 hr; Capacity: 20.8 L |
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Caterpillar USA website.
