Specifications
| Fuel | diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 25.8 kW |
| Standby kVA | 20 |
| Prime power | 18.2 kW |
| Controller | APM303, Telys |
| Oil capacity | 8.7 L |
| Alternator | AT00404T |
| Voltage options | 480/277 V, 220/127 V, 208/120 V |
| Phase | Three phase |
| Rated current | 83 A |
| Power factor | 0.8 |
| Coolant capacity | 6.8 L |
| Dimensions (L×W×H) | 1410×720×1080 mm |
| Dry weight | 490 kg |
| Sound level | 77.0 dBA @ 1 m |
| Fuel tank | 50.0 L |
Engine
| Oil capacity | 8.9 L |
|---|---|
| Coolant capacity | 6.8 L |
| Displacement | 1.86 L |
| Aspiration | Natural |
| Rated speed | 1800 rpm |
Same engine, other brands
1 brandThe Kohler KDI 1903M in this set also powers 5 generator sets sold under 1 other brand. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.
| Brand | Models |
|---|---|
| Kohler | 15REOZK, K17, K20U, K22, KDI 1903 M |
Maintenance & consumables
for the Kohler KDI 1903M| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | ||||
| Fuel filter | Primary/Water Separator | — | 500 hr | ||
| Oil filter | Cartridge | ×1 | — | 500 hr | |
| Battery | — | 50 hr | |||
| Belt | — | 2000 hr | |||
| Coolant | 6.8 L | — | |||
| Oil | 10.6 L | — | 500 hr | ||
| Spark plug | — | 1000 hr |
Common questions
What size generator is the SDMO K20U?
The SDMO K20U is rated 25.8 kW standby (20.0 kVA).
What engine is in the SDMO K20U?
The SDMO K20U is powered by the Kohler KDI 1903M engine.
What kind of fuel does the SDMO K20U run on?
The SDMO K20U runs on diesel.
How much oil does the SDMO K20U take?
The Kohler KDI 1903M engine in the SDMO K20U has an oil capacity of 8.9 liters.
What is the coolant capacity of the SDMO K20U?
The SDMO K20U cooling system holds 6.8 liters (1.8 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the prime power rating of the SDMO K20U?
The SDMO K20U is rated 18.2 kW prime (18 kVA), against 25.8 kW standby.
How loud is the SDMO K20U?
The SDMO K20U is rated at 77.0 dBA at 1 m, per the manufacturer specification sheet.
How much does the SDMO K20U weigh?
The SDMO K20U has a dry weight of 490 kg (1080 lb).
How big is the fuel tank on the SDMO K20U?
The SDMO K20U has a 50 liter (13 US gallon) fuel tank.
What voltage does the SDMO K20U produce?
The SDMO K20U is offered in 480/277 V, 220/127 V, 208/120 V, Three phase-phase.
What alternator does the SDMO K20U use?
The SDMO K20U uses a AT00404T alternator.
Parts
1| Part # | Description | Qty | System | |
|---|---|---|---|---|
| ED0082051360-S | COV.HEAD GASK.-OR SET 1903 M | 1 | Gasket | Amazon eBay $54.95 |
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.
Available documents
This page was generated from the 2 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.