Specifications
| Fuel | Diesel Fuel/HVO |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 19 kW |
| Standby kVA | 23 |
| Prime power | 17 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 |
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.
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
Engine spec — K20 K22 SDMO (Kohler)Spec sheet — k20u-0226 (Kohler)Spec sheet — k20u-1023 (Kohler)Spec sheet — k20um-1023 (Kohler)