Formulated and tested by John Deere engineers, the Plus-50 II is renowned for offering extended drain intervals, superior engine protection, and exceptional performance in severe environments.
However, due to factors like availability, cost, or brand preference, you might be exploring alternative engine oils that match the performance of Plus-50 II.
The good news? Several high-quality diesel engine oils from reputable brands meet or exceed the same industry standards, making them effective equivalents for use in John Deere equipment.
In this guide, we’ll explain what to look for in a Plus-50 II equivalent and highlight three top-rated alternatives that deliver excellent value and engine protection.
John Deere Plus-50 Engine Oil Equivalent
1. Shell Rotella T5 15W-40 Synthetic Blend Diesel Oil
Shell Rotella T5 is a semi-synthetic engine oil designed to meet the demands of modern low-emission and high-load diesel engines. It is formulated with advanced additive technology to ensure engine cleanliness, durability, and wear protection.
Key Features:
- Meets API CK-4, CJ-4, and CI-4 Plus standards
- Synthetic blend for enhanced protection and fuel efficiency
- Resists high-temperature oxidation and thermal breakdown
- Improved cold start protection
- Suitable for extended drain intervals under proper maintenance
Rotella T5 is a favorite among fleet managers and farmers for its reliability in both on- and off-road diesel applications.
2. Chevron Delo 400 SDE 15W-40 Diesel Engine Oil
Chevron Delo 400 SDE is a conventional, heavy-duty engine oil formulated for use in a wide variety of diesel engines. It is especially suited for engines requiring protection against soot-related wear and deposits.
Key Features:
- Exceeds API CK-4, CJ-4, and CI-4 Plus classifications
- High-performing base oils combined with advanced dispersants
- Superior soot control for cleaner engines
- Maintains oil viscosity and TBN over long intervals
- Provides excellent wear protection in high-load conditions
Delo 400 is known for its performance in extreme operating environments, including agriculture and heavy machinery.
3. Mobil Delvac 1300 Super 15W-40 Diesel Engine Oil
Mobil Delvac 1300 Super is a conventional diesel engine oil trusted for decades in commercial and industrial applications. It offers a balanced formulation for engine cleanliness, durability, and fuel economy.
Key Features:
- Meets API CK-4, CJ-4, and CI-4 Plus requirements
- Advanced detergents keep pistons and valves cleaner
- Outstanding wear and deposit protection
- Strong resistance to viscosity loss and breakdown
- Performs well in stop-and-go, high-load, and towing conditions
This oil is a great choice for those seeking a reliable, proven option for diesel engines under tough working conditions.
Related John Deere Engine Oil Capacity(For All JD Models)
Tips for Choosing the Right Equivalent Oil
When switching from Plus-50 II to another brand, consider the following:
- Check Specifications: Ensure the oil meets or exceeds API CK-4 or CI-4 Plus ratings.
- Match Viscosity Grade: Stick with 15W-40 unless your climate or equipment recommends otherwise.
- Follow Maintenance Schedules: Use the manufacturer’s recommended oil change intervals unless supported by oil analysis.
- Use Quality Oil Filters: Even with premium oil, filtration plays a crucial role in engine protection.
- Avoid Mixing Oils: Stick to one brand/type between oil changes to prevent additive clashes.
Related Engine Oil Equivalent Chart(Comprehensive Guide)
What Makes Plus-50 II Special?
John Deere’s Plus-50 II is a 15W-40 premium engine oil designed for both on-road and off-road diesel engines. It’s engineered to meet or exceed the API CK-4 service category, which means it resists oxidation, soot build-up, and shear thinning under high temperatures and pressure.
Key features include:
- Extended 500-hour drain intervals when used with John Deere filters
- Improved piston cleanliness, even in turbocharged engines
- Resistance to oil thickening and sludge formation
- Excellent cold start performance
To find a reliable substitute, the alternative oil must meet the following minimum standards:
- API CK-4, CJ-4, or CI-4 Plus certification
- High-temperature wear protection and oxidation resistance
- Suitable viscosity (typically 15W-40 for most John Deere applications)
Related John Deere 4.5L Diesel Engine Oil Capacity Chart
Why Choose an Equivalent Oil?
While Plus-50 II is a premium product, it’s not always easy to find or affordable for every user. That’s where equivalent engine oils come in. They offer:
- Comparable performance in diesel engines
- Compatibility with most John Deere models
- Competitive Pricing
- Easy availability across multiple retailers and service centers
