Service parts for the 4R0120 DS125
Grouped by system, with how many of each the parts manual calls for.
Fuel system
1 requiredOil system
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Fuel | diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 125 kW |
| Standby kVA | 156 |
| Prime power | 111 kW |
| Emissions | Tier 3 |
| Controller | Digital Control Panel |
| Oil capacity | 15.8 L |
| Alternator | 363CSL1607 |
| Voltage options | 208 V, 240 V, 380 V, 480 V, 600 V |
| Phase | 3 |
| Rated current | 134 A |
| Power factor | 0.8 |
| Battery group | 31 |
| Battery cranking | 950 CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Coolant capacity | 20.8 L |
| Max ambient | 50 °C |
| Dimensions (L×W×H) | 2336×1121×1422 mm |
| Dry weight | 1216 kg |
| Sound level | 83.1 dBA @ 7 m |
Engine
| Oil capacity | 15.8 L |
|---|---|
| Coolant capacity | 7.0 L |
| Displacement | 4.8 L |
| Aspiration | Charged Air Cooling |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Mercedes Benz OM924LA| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Dry Type | — | 500 hr | ||
| Fuel filter | With Water Separator | A9060920205 | 250 hr | Amazon eBay $28.98 PartsGeek $25.97 | |
| Oil filter | Full Flow | 0001801609 | 250 hr | Amazon eBay $83.59 PartsGeek $19.97 | |
| Coolant | 20.8 L | — | 2000 hr | ||
| Oil | Diesel Grade | 15.8 L | — | 250 hr |
Common questions
How many kW is the MTU 4R0120 DS125?
The MTU 4R0120 DS125 is rated 125 kW standby (156.0 kVA).
What engine does the MTU 4R0120 DS125 use?
The MTU 4R0120 DS125 is powered by the Mercedes Benz OM924LA engine.
What kind of fuel does the MTU 4R0120 DS125 run on?
The MTU 4R0120 DS125 runs on diesel.
What is the oil capacity of the MTU 4R0120 DS125?
The Mercedes Benz OM924LA engine in the MTU 4R0120 DS125 has an oil capacity of 15.8 liters.
What alternator does the MTU 4R0120 DS125 use?
The MTU 4R0120 DS125 uses a 363CSL1607 alternator.
Which oil filter part number does the MTU 4R0120 DS125 take?
The MTU 4R0120 DS125 uses oil filter part number 0001801609.
What fuel filter does the MTU 4R0120 DS125 use?
The MTU 4R0120 DS125 uses fuel filter part number A9060920205.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 50% | 30.4 | 8.03 |
| Prime | 75% | 42.5 | 11.23 |
| Prime | 100% | 56.1 | 14.82 |
| Standby | 50% | 5.2 | 1.4 |
| Standby | 75% | 7.5 | 2.0 |
| Standby | 100% | 9.9 | 2.6 |
Available documents
Spec sheet — 23925 PG Spec 4R0120DS125 125kW 3D T3 60Hz (MTU)Spec sheet — 23925 PG Spec 4R0120DS125 125kW 3D T3 SCAQMD 60Hz (MTU)Spec sheet — 23931 PG Spec 4R0120DS125 111kW 3B T3 SCAQMD 60Hz (MTU)Spec sheet — EngineersGuidebook (MTU)Spec sheet — EngineersGuidebookUpdate102017 (MTU)Spec sheet — MTU 4R0120-DS125 111kW Prime (MTU)Spec sheet — MTU 4R0120-DS125 125kW Standby (MTU)