The Isuzu BB-4BGI1T is a 3.06 L 4-cylinder direct injection turbocharged engine, producing up to 34.2 kW. It powers generator sets from Denyo, including the DCA-30ESX and DCA-40ESX. It holds 10 L (2.6 gal) of oil and 10.9 L (2.9 gal) of coolant.
Also known as: ISUZU BB-4BGI1T
Part of the Isuzu BB-4 engine family — 2 variants share parts & fitment.
| Oil capacity | 10.0 L |
|---|---|
| Coolant capacity | 10.9 L |
| Displacement | 3.059 L |
| Cylinders | 4 |
| Aspiration | Direct injection turbocharged |
| Gross power | 34 kW |
Compiled from service & troubleshooting documentation across every generator set that uses the Isuzu BB-4BGI1T.
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Clean the element with dry and clean compressed air. | — | 250 hr | ||
| Fuel filter | — | 500 hr | |||
| Oil filter | — | 50 hr | |||
| Battery | — | 30 hr | |||
| Belt | — | 250 hr | |||
| Coolant | — | 30 hr | |||
| Oil | — | 50 hr | |||
| Spark plug | — |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
| Part # | Description | Category |
|---|---|---|
| DCA-45SSIU3 | Air Cleaner Dust Indicator | air_filter |
| 897232-2520 | fan belt | belt |
| 8973226800 | fan belt | belt |
| 894437-0220 | fuel filter element | fuel_filter |
| 1819001902 | Motor Stopper | other_service |
| Y06020 | fuel priming pump button | pump |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
The Isuzu BB-4BGI1T engine has an oil capacity of 10.0 liters.
The Isuzu BB-4BGI1T has a displacement of 3.059 liters with 4 cylinders.
The Isuzu BB-4BGI1T powers 2 generator set(s), including Denyo DCA-30ESX, Denyo DCA-40ESX.
The Isuzu BB-4BGI1T oil change interval is every 50 hours.
A commonly reported issue on generators using the Isuzu BB-4BGI1T is: Speed will not rise. Cause: Air in fuel system Remove Blinded fuel filter Replace element.