The Isuzu BR-4JJ1X Tier 4 Final Certified is a 3 L 4-cylinder water-cooled, direct-injection, turbocharged and cooled egr, doc, and scr engine rated at 1800 rpm, producing up to 86.5 kW. It powers generator sets from Isuzu and MQ Power, including the CS-6369 and DCA70SSIU4FC8B. It holds 13.5 L (3.6 gal) of oil.
Maintenance schedule
| Item | Spec | Capacity | Part # | Interval | |
|---|
| Air filter | | | — | 1000 hr | |
| Fuel filter | Replace Fuel Filter Elements | | — | 1000 hr | |
| Oil filter | Replace Engine Oil and Oil Filter*1 | | — | 500 hr | |
| Battery | 12V 75Ah 27D (CCA 0°F 800A) | | — | 250 hr | |
| Belt | | | — | | |
| Coolant | | 5.5 gallons (21.0 liters) | — | | |
| Oil | SAE 30, SAE 20W, SAE 40, SAE 10W, SAE 10W-30, SAE 5W-40, SAE 5W-20 | 13.5 gallons (13.5 liters) | — | | |
| Spark plug | | | — | | |
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 Isuzu BR-4JJ1X Tier 4 Final Certified?
The Isuzu BR-4JJ1X Tier 4 Final Certified engine has an oil capacity of 13.5 liters.
What is the displacement of the Isuzu BR-4JJ1X Tier 4 Final Certified?
The Isuzu BR-4JJ1X Tier 4 Final Certified has a displacement of 3.0 liters with 4 cylinders.
Which generators use the Isuzu BR-4JJ1X Tier 4 Final Certified engine?
The Isuzu BR-4JJ1X Tier 4 Final Certified powers 2 generator set(s), including Isuzu CS-6369, MQ Power DCA70SSIU4FC8B.