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, EMCP 4.2 |
| Oil capacity | 8.4 L |
| Alternator | LC1514L (4-pole, Class H insulation) |
| 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 | Dry cartridge type | — | 1000 hr | find | |
| Fuel filter | Duplex cartridge type | — | 500 hr | find | |
| Oil filter | Spin-on type | — | 500 hr | find | |
| Belt | N/A | — | find | ||
| Coolant | Water cooled oil cooler | — | |||
| Oil | Cat TDTO or equivalent | 8.4 | — | 500 hr |
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.
What alternator does the Caterpillar D40 use?
The Caterpillar D40 uses a LC1514L alternator. It has 4 poles. Insulation class H.
Parts
8| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 276166 | repair kit oil pump | Pump | PartsGeek | |
| AEXQ3237-00 | Keyless push-to-start engine control | Keyless push-to-start engine control | PartsGeek | |
| AN500T0010 | STARTER MOTOR | Starter | PartsGeek | |
| AN500T0093 | ALTERNATOR | Alternator | PartsGeek | |
| KM-BD-909002 | Hydraulic Track Adjuster Seal Kit | Seal | PartsGeek | |
| KM-BD-909005 | Hydraulic Track Adjuster Seal Kit | Seal | PartsGeek | |
| 24aOeLa | Time delay relay No. 8 | 1 | Service part / kit | PartsGeek |
| 877202-2 | SERVICE KIT, DIESELMOTOREN | Service part / kit | PartsGeek |
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 sheet — CAT-D40-6-3-Phase (Caterpillar)Spec sheet — LEHE0088 (Caterpillar)Spec sheet — LEHE0100 (Caterpillar)Reference — Caterpillar Gen Disc List RFP November 2022 (Caterpillar)Parts manual — Cat+Reman+Hydraulic+Components+(PEHP9542-01) (Caterpillar)