One of the most important aspects of maintenance is understanding the correct oil capacities for each component. This includes not only the engine but also the transmission and differentials.
Using the correct oil type and quantity helps prevent wear, overheating, and costly repairs.
In this guide, you’ll find a complete and easy-to-follow Kawasaki Mule PRO-MX oil capacity chart, covering all major fluids across all model years.
Kawasaki Mule PRO MX Oil Capacity
| Model | Engine Oil | Front Differential | Rear Differential | Transmission |
|---|---|---|---|---|
| PRO-MX Base (2019) | 2.1 qt (2.0 L) | 0.26 qt | 0.32 qt | 0.13 qt |
| PRO-MX EPS (2019) | 2.1 qt (2.0 L) | 0.26 qt | 0.32 qt | 0.13 qt |
| PRO-MX Camo (2019) | 2.1 qt (2.0 L) | 0.26 qt | 0.32 qt | 0.13 qt |
| PRO-MX LE (2020) | 2.1 qt (2.0 L) | 0.26 qt | 0.32 qt | 0.13 qt |
| PRO-MX EPS LE (2020) | 2.1 qt (2.0 L) | 0.26 qt | 0.32 qt | 0.13 qt |
| PRO-MX Camo LE (2020) | 2.1 qt (2.0 L) | 0.26 qt | 0.32 qt | 0.13 qt |
| PRO-MX Base (2021) | 2.1 qt (2.0 L) | 0.26 qt | 0.32 qt | 0.13 qt |
| PRO-MX EPS (2021) | 2.1 qt (2.0 L) | 0.26 qt | 0.32 qt | 0.13 qt |
| PRO-MX LE (2021) | 2.1 qt (2.0 L) | 0.26 qt | 0.32 qt | 0.13 qt |
| PRO-MX EPS LE (2021) | 2.1 qt (2.0 L) | 0.26 qt | 0.32 qt | 0.13 qt |
| PRO-MX Base (2022) | 2.1 qt (2.0 L) | 0.26 qt | 0.32 qt | 0.13 qt |
| PRO-MX EPS (2022) | 2.1 qt (2.0 L) | 0.26 qt | 0.32 qt | 0.13 qt |
| PRO-MX LE (2022) | 2.1 qt (2.0 L) | 0.26 qt | 0.32 qt | 0.13 qt |
| PRO-MX EPS LE (2022) | 2.1 qt (2.0 L) | 0.26 qt | 0.32 qt | 0.13 qt |
| PRO-MX Base (2023) | 2.1 qt (2.0 L) | 0.26 qt | 0.32 qt | 0.13 qt |
| PRO-MX EPS (2023) | 2.1 qt (2.0 L) | 0.26 qt | 0.32 qt | 0.13 qt |
| PRO-MX LE (2023) | 2.1 qt (2.0 L) | 0.26 qt | 0.32 qt | 0.13 qt |
| PRO-MX EPS LE (2023) | 2.1 qt (2.0 L) | 0.26 qt | 0.32 qt | 0.13 qt |
| PRO-MX Base (2024) | 2.1 qt (2.0 L) | 0.26 qt | 0.32 qt | 0.13 qt |
| PRO-MX EPS (2024) | 2.1 qt (2.0 L) | 0.26 qt | 0.32 qt | 0.13 qt |
| PRO-MX LE (2024) | 2.1 qt (2.0 L) | 0.26 qt | 0.32 qt | 0.13 qt |
| PRO-MX EPS LE (2024) | 2.1 qt (2.0 L) | 0.26 qt | 0.32 qt | 0.13 qt |
| PRO-MX Base (2025) | 2.1 qt (2.0 L) | 0.26 qt | 0.32 qt | 0.13 qt |
| PRO-MX EPS (2025) | 2.1 qt (2.0 L) | 0.26 qt | 0.32 qt | 0.13 qt |
| PRO-MX LE (2025) | 2.1 qt (2.0 L) | 0.26 qt | 0.32 qt | 0.13 qt |
| PRO-MX EPS LE (2025) | 2.1 qt (2.0 L) | 0.26 qt | 0.32 qt | 0.13 qt |
| PRO-MX Base (2026) | 2.1 qt (2.0 L) | 0.26 qt | 0.32 qt | 0.13 qt |
| PRO-MX EPS (2026) | 2.1 qt (2.0 L) | 0.26 qt | 0.32 qt | 0.13 qt |
| PRO-MX LE (2026) | 2.1 qt (2.0 L) | 0.26 qt | 0.32 qt | 0.13 qt |
| PRO-MX EPS LE (2026) | 2.1 qt (2.0 L) | 0.26 qt | 0.32 qt | 0.13 qt |
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Recommended Oil Types
Choosing the right oil is just as important as using the correct capacity.
Engine Oil
- Recommended viscosity: 10W-40
- Alternative options:
- 10W-30 for moderate climates
- 5W-30 for cold weather
- API rating: SJ or higher
The PRO-MX engine uses a wet sump system, meaning oil is stored in the crankcase and circulated throughout the engine.
Differential Oil
- Type: Hypoid gear oil
- Specification: API GL-5
- Viscosity: 80W-90
This oil is designed to handle high pressure and protect gears under heavy loads.
Transmission Oil
- Type: Gear oil
- Specification: API GL-5
- Viscosity: 80W-90
Although the capacity is small, proper lubrication is critical for smooth operation and durability.
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Oil Change Intervals
Following a regular maintenance schedule helps extend the life of your Mule PRO-MX.
If you frequently operate in harsh conditions such as mud, dust, or heavy towing, consider changing fluids more often.
How to Check Engine Oil Level
Maintaining the correct oil level is simple but essential:
- Park the vehicle on level ground
- Turn off the engine and allow it to cool
- Remove the dipstick and wipe it clean
- Reinsert the dipstick without threading it in
- Remove it again to check the level
- Add oil gradually if needed
Avoid overfilling, as it can lead to reduced performance and possible engine damage.
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Why Oil Capacity Matters
Using the correct oil capacity ensures the engine and drivetrain components receive proper lubrication. This reduces friction, prevents overheating, and helps extend the lifespan of critical parts.
Too little oil can lead to severe engine damage, while too much oil can cause pressure buildup and leaks. Sticking to the recommended capacities is key to maintaining optimal performance.
Common Mistakes to Avoid
Overfilling the Engine
Adding more than the recommended amount can lead to oil foaming and internal pressure issues.
Using Incorrect Oil
Low-quality or incompatible oil can reduce protection and increase wear.
Ignoring Differential Maintenance
Differentials are essential for 4WD operation and should not be overlooked.
Skipping Oil Filter Changes
Always replace the oil filter during engine oil changes to ensure clean lubrication.
Maintenance Tips for Best Performance
- Check oil levels regularly before heavy use
- Use high-quality oil and filters
- Warm up the engine before operating under load
- Inspect for leaks or unusual noises
- Keep the air filter clean to prevent contamination
Final Thoughts
The Kawasaki Mule PRO-MX is built for durability and consistent performance, but proper maintenance is essential to keep it running at its best. Fortunately, oil capacities are straightforward and remain the same across all model years.
To recap:
- Engine oil capacity: 2.1 quarts (2.0 liters)
- Front differential: 0.26 quarts
- Rear differential: 0.32 quarts
- Transmission: 0.13 quarts
By following these specifications and maintaining a regular service schedule, you can ensure your Mule PRO-MX delivers reliable performance for years to come.
