The Kubota V2203 is a 2.2 L 4-cylinder natural engine rated at 1800 rpm, producing up to 24.2 kW. It powers generator sets from Cummins/Onan, including the C20 D6. It holds 9.5 L (2.5 gal) of oil and 3.5 L (0.9 gal) of coolant.
Also known as: Kubota V2203
Part of the Kubota V2203 engine family — 3 variants share parts & fitment.
| Oil capacity | 9.5 L |
|---|---|
| Coolant capacity | 3.5 L |
| Displacement | 2.197 L |
| Cylinders | 4 |
| Aspiration | Natural |
| Rated speed | 1800 rpm |
| Gross power | 24 kW |
Compiled from service & troubleshooting documentation across every generator set that uses the Kubota V2203.
| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Other | AC waveform Total Harmonic Distortion (THDV) | No load to full linear load < 5. For any single harmonic < 2.5 | % | |
| Other | AFLEX-H (shake table test datum) | <=3.200 | g | AC156, tri-axial, 5% damping SRS |
| Other | AFLEX-V (shake table test datum) | <=1.333 | g | AC156, tri-axial, 5% damping SRS |
| Other | ARIG-H (shake table test datum) | <=2.400 | g | AC156, tri-axial, 5% damping SRS |
| Other | ARIG-V (shake table test datum) | <=0.533 | g | AC156, tri-axial, 5% damping SRS |
| Other | Governor regulation class | ISO 8528 | ||
| Other | Ground snow load limit | 30 | psf | For indoor (covered) and outdoor (exposed) installation |
| Other | Horizontal design seismic coefficient (z/h = 0.0) | 1.440 | g | Certified seismic design level, IBC Importance IP <= 1.5, Soil Classes A-E, Risk Categories I-IV, Design Categories A-F, SDS <= 2.000 g |
| Other | SDS (g) at z/h=1 for C10 D6 - C60 D6 | 2.0 | g | Certified SDS, z/h = 1 |
| Other | SDS (g) at z/h=1 for C50 D6C - C125 D6C | 2.5 | g | Certified SDS, z/h = 1 |
| Other | Telephone Harmonic Factor (THF) | < 2 | % | for 50 Hz |
| Other | Telephone Influence Factor (TIF) | < 75 | for 60 Hz | |
| Other | ZPA-H (shake table test datum) | <=2.160 | g | AC156, tri-axial, 5% damping SRS |
| Other | ZPA-V (shake table test datum) | <=0.480 | g | AC156, tri-axial, 5% damping SRS |
| Speed | Frequency regulation | Droop | ||
| Speed | Random frequency variation | ± 0.75 | % | |
| Temperature | Standard temperature rise | 125-163 | ºC | |
| Voltage | Random voltage variation | ± 2.5 | % | |
| Voltage | Starting voltage | 12 | V | negative ground |
| Voltage | Voltage regulation, no load to full load | ± 2.5 | % | no load to full load |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Coolant | Antifreeze 50/50 (Ethylene glycol) | Optional | |||
| Fuel | Diesel |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Code | Name | Meaning | Severity | Action |
|---|---|---|---|---|
| 27 | Low AC voltage shutdown | Voltage on any phase has dropped below a preset value. Adjustable over a range of 50-95% of voltage, time delay 2-20 seconds. Default value is 90% for 5 seconds. | Shutdown | |
| 51 | High Current warning/shutdown | Implementation of the thermal damage curve with instantaneous trip level calculated based on current transformer ratio and application power rating. | Warning | |
| 59 | High AC voltage shutdown | Output voltage on any phase exceeds pre-set values. Values adjustable from 105-125% of nominal voltage, with time delay adjustable from 1-10 seconds. Default value is 110% for 5 seconds. | Shutdown | |
| 81 o | Over frequency shutdown/warning | Generator set is operating at a potentially damaging frequency level. Settings are adjustable from 2-10 Hz above nominal governor set point for 100-2000 half cycles delay. Default: 5 Hz, 1000 half cycles. | Warning | |
| 81 u | Under frequency shutdown | Generator set output frequency cannot be maintained. Settings are adjustable from 2-10 Hz below nominal governor set point, for a 500-2000 half cycles delay. Default: 5 Hz, 1000 half cycles. | Shutdown |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Part # | Description | Category |
|---|---|---|
| KB-19077-99352 | TOP GASKET KIT | Gasket |
| KB-1A154-99360 | BOTTOM GASKET KIT | Gasket |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your serial number.
Other equipment known to use this engine, via filter-application cross-reference — useful for sourcing parts even when your exact machine isn't listed elsewhere on this page.
The Kubota V2203 engine has an oil capacity of 9.5 liters.
The Kubota V2203 has a displacement of 2.197 liters with 4 cylinders.
The Kubota V2203 powers 1 generator set(s), including Cummins/Onan C20 D6.
A commonly reported issue on generators using the Kubota V2203 is: Undervoltage sensor pickup and dropout adjustable from 85-100% and 75-98%. Fix: Dropout adjustable delay from 0.1-30 sec..