The Kubota D1803 is a 1.83 L 3-cylinder natural engine rated at 1800 rpm, producing up to 14 kW. It powers generator sets from Caps and Simson-Maxwell, including the BES16S and SKW20 T6-T4. It holds 7 L (1.8 gal) of oil and 3.5 L (0.9 gal) of coolant.
Also known as: Kubota D1803
Part of the Kubota D1803 engine family — 2 variants share parts & fitment.
| Oil capacity | 7.0 L |
|---|---|
| Coolant capacity | 3.5 L |
| Displacement | 1.826 L |
| Cylinders | 3 |
| Aspiration | Natural |
| Rated speed | 1800 rpm |
| Gross power | 14 kW |
Shared across brands: Caps, Simson-Maxwell
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 D1803 engine has an oil capacity of 7.0 liters.
The Kubota D1803 has a displacement of 1.826 liters with 3 cylinders.
The Kubota D1803 powers 2 generator set(s), including Caps BES16S, Simson-Maxwell SKW20 T6-T4.