Specifications
| Fuel | diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 40 kW |
| Standby kVA | 50 |
| Prime power | 36 kW |
| Emissions | Tier 3 |
| Controller | EMCP 3.1, EMCP 4.2 |
| Oil capacity | 8.4 L |
| Voltage options | 208 V, 240 V, 480 V, 600 V |
| Phase | 3 phase |
| Power factor | 0.8 |
| Coolant capacity | 16.5 L |
| Max ambient | 50 °C |
| Dimensions (L×W×H) | 1932×1110×1767 mm |
| Dry weight | 306 kg |
Engine
| Oil capacity | 8.0 L |
|---|---|
| Coolant capacity | 17.5 L |
| Displacement | 4.4 L |
| Aspiration | Turbocharged Air To Air Charge Cooled |
| Rated speed | 1500 rpm |
Maintenance & consumables
for the Caterpillar C4.4| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Cartridge type dry air filters with restriction indicator. Dry, 2 stage cyclonic paper element. | — | find | ||
| Fuel filter | Primary fuel filters in addition to cartridge type fuel filters. | — | find | ||
| Oil filter | Oil filter: spin-on, full flow | — | find | ||
| Belt | Belted alternator and starter motor on engine, battery rack mounted on the generator set baseframe. | — | find | ||
| Coolant | Cooling System: Radiator system capacity including engine L (U.S. gal): 17.1, Air Requirements: Combustion air flow m3/min (cfm): 8.4 (297), Maximum air cleaner restriction kPa (in H2O): 8.0 (32.2) | — | |||
| Oil | Lubricating System: Type: full pressure, Oil filter: spin-on, full flow, Oil cooler: water cooled, Oil type required: API CF-4 | — |
Common questions
What is the power rating of the Caterpillar D40?
The Caterpillar D40 is rated 40 kW standby (50.0 kVA).
What engine does the Caterpillar D40 use?
The Caterpillar D40 is powered by the Caterpillar C4.4 engine.
What fuel does the Caterpillar D40 use?
The Caterpillar D40 runs on diesel.
What is the oil capacity of the Caterpillar D40?
The Caterpillar C4.4 engine in the Caterpillar D40 has an oil capacity of 8.0 liters.
Parts
2| Part # | Description | Qty | System | |
|---|---|---|---|---|
| AEXQ3237-00 | Keyless push-to-start engine control | Keyless push-to-start engine control | buy | |
| 24aOeLa | Time delay relay No. 8 | 1 | Service part / kit | buy |
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 50% | 7.6 | 2.0 |
| Prime | 75% | 10.0 | 2.6 |
| Prime | 100% | 12.6 | 3.3 |
| Standby | 14.6 | 3.9 | |
| Standby | 50% | 8.1 | 2.1 |
| Standby | 75% | 10.8 | 2.9 |
| Standby | 100% | 13.9 | 3.7 |
Available documents
Spec sheetReferenceParts manual