Kubota D1703-EBG Engine
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.
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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Prices captured from merchant listings; some links are affiliate links. Verify against your serial number before ordering.
Engine specifications
| Oil capacity | 5.6 L |
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| Coolant capacity | 6.6 L |
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| Displacement | 1.647 L |
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| Cylinders | 3 |
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| Aspiration | Water-cooled, 4-cycle diesel engine |
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| Gross power | 13 kW |
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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 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.
Parts cataloged across the Kubota D1703 family
6| 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.
Filters for this engine
- Air filter: Kubota RG64842831 Donaldson P821575 Wix 46438NP
- Fuel filter: Kubota 607 Kubota 1522143081 Donaldson P502161 Donaldson P550127 Wix 33507 Wix 33390 Ac Delco TP1200
- Oil filter: Kubota 87415600 Donaldson P550939 Wix 51307 Ac Delco PF13
Cross-referenced via Donaldson + OEM/engine-maker interchange — options to verify against your serial number, not confirmed for every exact variant.
Also used in
12- Kubota KJ3150VX — Generator Set
- Kubota KJS130D — Generator Set
- Kubota KJS130DX — Generator Set
- Kubota L2900 — Tractor
- Kubota L3300 — Tractor
- Kubota L35 — Tractor
- Kubota SQ1140 — Generator Set
- Kubota SQ3170 — Generator Set
- Sakai SW300 — Compactor
- Sakai SW320 — Compactor
- Sakai SW330 — Compactor
- Sany SY35C — Excavator
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.
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.