The Kubota D1703-EBG is a 1.65 L 3-cylinder water-cooled, 4-cycle diesel engine engine, producing up to 13.6 kW. It powers generator sets from Kubota, including the SQ-1120 and SQ-1150. It holds 5.6 L (1.5 gal) of oil and 6.6 L (1.7 gal) of coolant.
Also known as: KUBOTA D1703-EBG
Part of the Kubota D1703 engine family — 5 variants share parts & fitment.
| Oil capacity | 5.6 L |
|---|---|
| Coolant capacity | 6.6 L |
| Displacement | 1.647 L |
| Cylinders | 3 |
| Aspiration | Water-cooled, 4-cycle diesel engine |
| Gross power | 13 kW |
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Clean air cleaner element after first 100 hours of operation, then every 250 hours. | RG64842831 | 100 hr | PartsGeek | |
| Fuel filter | Cleaning the Fuel Filter Element, Fuel Filter Cartridge Replacement | — | 50 hr | find | |
| Oil filter | Replace oil filter cartridge after first 50 hours of operation, then every 500 hours. | 87415600 | 50 hr | PartsGeek $8.98 | |
| Belt | Adjusting Fan Belt Tension | — | 1000 hr | find | |
| Coolant | Checking Coolant Level, Adding Coolant, Changing Coolant, Remedies for Rapid Coolant Loss | — | 500 hr | ||
| Oil | Checking Oil Level and Adding Engine Oil, Changing Engine Oil, Replacing the Oil Filter Cartridge | — | 50 hr |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
| Part # | Description | Category |
|---|---|---|
| 7000011081 | Air filter element (dry type) | air_filter |
| K01-0250 | Air Cleaner | air_filter |
| K01-0340 | Battery | battery |
| 1707643010 | Fuel filter cartridge | fuel_filter |
| 700032091 | Oil filter cartridge | oil_filter |
| 1552143160 | Fuel mesh strainer | other_service |
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.
Cross-referenced via Donaldson + OEM/engine-maker interchange — options to verify against your serial number, not confirmed for every exact variant.
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 D1703-EBG engine has an oil capacity of 5.6 liters.
The Kubota D1703-EBG has a displacement of 1.647 liters with 3 cylinders.
The Kubota D1703-EBG powers 2 generator set(s), including Kubota SQ-1120, Kubota SQ-1150.
The Kubota D1703-EBG uses oil filter part numbers Kubota 87415600, Donaldson P550939, Wix 51307.
The Kubota D1703-EBG uses fuel filter part numbers Kubota 607, Kubota 1522143081, Donaldson P502161.
The Kubota D1703-EBG uses air filter part numbers Kubota RG64842831, Donaldson P821575, Wix 46438NP.
The Kubota D1703-EBG oil change interval is every 50 hours.