Specifications
| Fuel | Diesel Fuel/HVO |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 19 kW |
| Standby kVA | 23 |
| Prime power | 17.3 kW |
| Emissions | Stage IIIA |
| Controller | APM303, APM403, M80 |
| Oil capacity | 6.5 L |
| Alternator | KH00501T (4-pole, Class H insulation) |
| Voltage options | 480/277 V, 440/254 V, 220/127 V |
| Phase | 3 |
| Power factor | 0.8 |
| Battery voltage | 12 V |
| Coolant capacity | 6.8 L |
| Dimensions (L×W×H) | 1460×715×1081 mm |
| Dry weight | 470 kg |
| Sound level | 77.0 dBA @ [{'model': 'Compact version @7m in dB(A) 60Hz (100% PRP)', 'value': 64}, {'model': 'M136 - Dimensions DW soundproofed version @7m in dB(A) 60Hz (100% PRP)', 'value': 64}] m |
| Fuel tank | 68.0 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 2 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 |
|---|---|
| SDMO | K20U, K22 |
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 Kohler K20U?
The Kohler K20U is rated 19 kW standby (23.75 kVA).
What engine does the Kohler K20U use?
The Kohler K20U is powered by the Kohler KDI 1903M engine.
What kind of fuel does the Kohler K20U run on?
The Kohler K20U runs on Diesel Fuel/HVO.
What's the oil capacity on a Kohler K20U?
The Kohler KDI 1903M engine in the Kohler K20U has an oil capacity of 8.9 liters.
What is the cooling system capacity of the Kohler K20U?
The Kohler 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 Kohler K20U?
The Kohler K20U is rated 17.3 kW prime (21 kVA), against 19 kW standby.
How loud is the Kohler K20U?
The Kohler K20U is rated at 77.0 dBA at [{'model': 'Compact version @7m in dB(A) 60Hz (100% PRP)', 'value': 64}, {'model': 'M136 - Dimensions DW soundproofed version @7m in dB(A) 60Hz (100% PRP)', 'value': 64}] m, per the manufacturer specification sheet.
What is the dry weight of the Kohler K20U?
The Kohler K20U has a dry weight of 470 kg (1036 lb).
How big is the fuel tank on the Kohler K20U?
The Kohler K20U has a 68 liter (18 US gallon) fuel tank.
What voltage does the Kohler K20U produce?
The Kohler K20U is offered in 480/277 V, 440/254 V, 220/127 V, 3-phase.
Which alternator is fitted to the Kohler K20U?
The Kohler K20U uses a KH00501T alternator. It has 4 poles. Insulation class H.
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 4 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.