The Kubota D1105-BG2 is a 1.17 L 3-cylinder aspiración natural engine rated at 1800 rpm, producing up to 5.1 kW. It powers generator sets from Atlas Copco and FG Wilson, including the QES 9, DCP-10, K7.5-1S and K7.51S. It holds 1.2 L (0.3 gal) of oil and 1.3 L (0.3 gal) of coolant.
Also known as: Kubota D1105-BG2, D1105-BG2
Part of the Kubota D1105 engine family — 7 variants share parts & fitment.
| Oil capacity | 1.2 L |
|---|---|
| Coolant capacity | 1.3 L |
| Displacement | 1.17 L |
| Cylinders | 3 |
| Aspiration | Aspiración natural |
| Rated speed | 1800 rpm |
| Gross power | 5 kW |
Shared across brands: Atlas Copco, FG Wilson
| Part # | Description | Category |
|---|---|---|
| 185-6721 | Breather Filter Element | air_filter |
| 185-6934 | Water Pump Belt | belt |
| 511-0201 | V-Belt | belt |
| 185-7055 | Cruise Kit | cruise_kit |
| 149-2106 | Fuel Filter Element | fuel_filter |
| 155-3147 | Water Separator with Resonator (WL & RES) | fuel_filter |
| 300-1500 | Fuel Filter | fuel_filter |
| 185-5421 | Glow Plug (12 Volt) | glow_plug |
| 185-7268 | Glow Plug (24 Volt) | glow_plug |
| 155-2033 | Stainless Steel Exhaust Elbow, 90 degrees, 2 inch OD | hose |
| 503-1353 | Wet Exhaust Hose | hose |
| 132-0375 | Sea Water Pump Impeller kit w/cover & gasket | impeller |
| 132-0379 | Sea Water Pump Impeller | impeller |
| 132-0415 | Pump Impeller | impeller |
| 122-0810 | Oil Filter | oil_filter |
| 185-5835 | Oil Filter | oil_filter |
| 324-1491 | Oil Filter | oil_filter |
| 00247 | CIRCUIT BREAKER INDICATOR LIGHT | other_service |
| 00248 | GROUND STUD | other_service |
| 00567 | OPERATING MANUAL | other_service |
| 100-3478-02 | Cruise Kit | other_service |
| 10585G | other_service | |
| 155-2030 | Waterlift Muffler (WL) | other_service |
| 185-5523 | Crankcase Breather | other_service |
| 405-5253 | Sound Shield Kit | other_service |
| 893020 | Kubota D-1105 and V-1505 Operator's Manual | other_service |
| 116133 | Isuzu 4LE1 Diesel Engine Owner's Manual | owners_manual |
| 1264609 | Isuzu 4LE2 Diesel Engine Owner's Manual | owners_manual |
| 324-1542 | Fuel Injection Pump | pump |
| 612-6673 | Water Pump | pump |
| 323-1544 | Thermostat | thermostat |
| 130-4434 | Zinc Pencil | zinc_anode |
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.
The Kubota D1105-BG2 engine has an oil capacity of 1.2 liters.
The Kubota D1105-BG2 has a displacement of 1.17 liters with 3 cylinders.
The Kubota D1105-BG2 powers 5 generator set(s), including Atlas Copco QES 9, FG Wilson DCP-10, FG Wilson K7.5-1S, FG Wilson K7.51S, FG Wilson K9.5-1.