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.
Service parts for the D1703-EBG
The cheapest captured merchant offer per filter — see the full cross-reference below for every OEM/aftermarket option.
Fuel system
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Maintenance schedule
| Item | Spec | Capacity | Part # | Interval | |
|---|
| Air filter | Clean air cleaner element after first 100 hours of operation, then every 250 hours. | | RG64842831 | 100 hr | Amazon eBay |
| Fuel filter | Cleaning the Fuel Filter Element, Fuel Filter Cartridge Replacement | | — | 50 hr | |
| Oil filter | Replace oil filter cartridge after first 50 hours of operation, then every 500 hours. | | 87415600 | 50 hr | Amazon eBay $14.99 PartsGeek $8.98 NAPA $9.09 KuduParts $18.00 |
| Battery | Battery Charging, Instructions for Long Term Storage, Battery Boost Starting | | — | 50 hr | |
| Belt | Adjusting Fan Belt Tension | | — | 1000 hr | |
| 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.
Common questions
What is the oil capacity of the Kubota D1703-EBG?
The Kubota D1703-EBG engine has an oil capacity of 5.6 liters.
What is the displacement of the Kubota D1703-EBG?
The Kubota D1703-EBG has a displacement of 1.647 liters with 3 cylinders.
Which generators use the Kubota D1703-EBG engine?
The Kubota D1703-EBG powers 2 generator set(s), including Kubota SQ-1120, Kubota SQ-1150.
What oil filter does the Kubota D1703-EBG use?
The Kubota D1703-EBG uses oil filter part numbers Kubota 87415600, Donaldson P550939, Wix 51307.
What fuel filter does the Kubota D1703-EBG use?
The Kubota D1703-EBG uses fuel filter part numbers Kubota 607, Kubota 1522143081, Donaldson P502161.
What air filter does the Kubota D1703-EBG use?
The Kubota D1703-EBG uses air filter part numbers Kubota RG64842831, Donaldson P821575, Wix 46438NP.
How often should you change the oil in the Kubota D1703-EBG?
The Kubota D1703-EBG oil change interval is every 50 hours.