The Perkins MJB 250 MA4 is a 1.61 L 6-cylinder charge cooled engine rated at 1700 rpm, producing up to 125 kW. It powers generator sets from FG Wilson, including the P150. It holds 38.5 L (10.2 gal) of oil and 44.8 L (11.8 gal) of coolant.
Maintenance schedule
| Item | Spec | Capacity | Part # | Interval | |
|---|
| Air filter | Replaceable Element | | — | 1000 hr | |
| Fuel filter | Spin-On, Full Flow | | — | 1000 hr | |
| Oil filter | Replaceable Element | | — | 1000 hr | |
| Oil | API CD 15W-40 | 29.8 l (US gal) | — | 1000 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 Perkins MJB 250 MA4?
The Perkins MJB 250 MA4 engine has an oil capacity of 38.5 liters.
What is the displacement of the Perkins MJB 250 MA4?
The Perkins MJB 250 MA4 has a displacement of 1.61 liters with 6 cylinders.
Which generators use the Perkins MJB 250 MA4 engine?
The Perkins MJB 250 MA4 powers 1 generator set(s), including FG Wilson P150.
How often should you change the oil in the Perkins MJB 250 MA4?
The Perkins MJB 250 MA4 oil change interval is every 1000 hours.