Engine Oils & Coolant
YANMAR GENUINE ENGINE OILS & COOLANTS
Choose Genuine. Maximum Engine Protection.
Yanmar engine oils and coolants are engineered explicitly for Yanmar diesel engines. Developed and tested to meet exact engine requirements, they deliver reliable lubrication, thermal stability, and corrosion protection. Helping reduce downtime, extend service intervals, and lower the total cost of ownership.
Whether you operate legacy engines or the latest EU Stage V models, using genuine Yanmar fluids ensures optimal performance throughout the engine’s entire lifecycle.
Yanmar Engine Oil 5W-40
High-quality diesel engine oil for reliable protection across a wide temperature range.
Yanmar Engine Oil 5W-40 is a high-quality diesel engine oil formulated to deliver stable lubrication across a wide range of operating conditions, including low ambient temperatures and elevated engine loads.
Its formulation supports adequate lubrication during cold starts while maintaining oil film stability at normal and high operating temperatures. Carefully balanced detergency and oxidation control help protect internal engine components from wear, corrosion, and deposit formation, supporting reliable engine operation and long service life.
Key benefits:
- Supports reliable lubrication across a wide temperature range
- Helps protect engine components against wear and corrosion
- Contributes to the cleanliness of internal engine parts
- Maintains stable lubrication under demanding operating conditions
- Supports dependable engine operation and consistent performance
Specifications and approvals:
- Suitable for use in diesel engines where SAE 5W-40 engine oil is specified
- Formulated to meet Yanmar requirements for genuine engine oils
Available packaging: 5 L
Yanmar Engine Oil 15W-40
Proven diesel engine oil for reliable, everyday performance.
Yanmar Engine Oil 15W-40 is a high-quality diesel engine oil formulated to provide stable performance across a wide range of operating conditions.
Advanced detergency and acid control help prevent corrosion of bearings and internal components. Supporting long engine life and consistent operation.
Key benefits:
- Strong resistance to low-temperature sludge and high-temperature deposits
- Protects against corrosion, wear, and bore polishing
- Reduces risk of oil filter plugging
- Supports dependable engine operation and reduced maintenance downtime
Specifications and approvals:
- Suitable for EU Stage IIIA / U.S. EPA Tier 3 equivalent and below
- ACEA E7, A3, B4
- API CI-4, CH-4
- Allison C4
Available packaging: 1 L · 5 L · 20 L · 208 L
Yanmar Engine Oil 10W-30
Premium semi-synthetic oil for EU Stage V engines.
Yanmar Premium Engine Oil 10W-30 is a semi-synthetic diesel engine oil developed specifically for powerful, low-emission Yanmar engines.
It is the recommended choice for EU Stage V applications, delivering outstanding protection while supporting advanced aftertreatment systems such as DPF.
Key benefits:
- Excellent protection against wear and corrosion
- Maximises engine uptime and reliability
- Promotes extended engine service life
- Optimised for long DPF life and stable emissions performance
- Outstanding performance in demanding duty cycles
Specifications and approvals:
- Suitable for Yanmar EU Stage-V engines
- ACEA E6, E9
- API CK-4, CJ-4, CI-4 Plus, SN
Available packaging: 5 L · 20 L · 208 L
Yanmar Gear Oil SAE 80W-90
Reliable mineral-based gear oil for axle and drivetrain applications.
Yanmar Genuine Gear Oil SAE 80W-90 is a high-quality mineral-based gear oil developed for use in axles and drivetrain components where this viscosity grade is specified.
Formulated with refined base oils and selected additives, it is designed to provide stable lubrication under normal operating conditions. The oil supports consistent mechanical operation while meeting applicable safety and regulatory requirements.
Key characteristics:
- Mineral-based gear oil suitable for axle applications
- Stable physical and chemical properties under normal operating conditions
- Suitable for use where SAE 80W-90 viscosity is specified
- Designed for professional and industrial use
Available packaging: 1 L · 20 L
Long-Life Coolant for Reliable Thermal Protection
Ready-to-use antifreeze coolant for all Yanmar engines.
Yanmar Long-Life Coolant is a high-performance, ready-to-use antifreeze coolant designed to protect engines against freezing, boiling, and corrosion even under high thermal loads. It safeguards critical cooling system components and ensures long-term stability in demanding environments.
Advanced additive technology also contributes to environmental protection and long service life.
Key benefits:
- Ready to use, no dilution required
- Freeze protection down to -40 °C
- Protects vulnerable cooling system components
- Reliable hard-water stability
- Excellent aluminium corrosion resistance at high temperatures
Product details:
- Suitable for all Yanmar engines
- Colour: Red
Available packaging: 1 L · 5 L · 20 L · 208 L
Yanmar Genuine Transmission Fluid
Automatic transmission fluid for transmission and hydraulic applications.
Yanmar Genuine Transmission Fluid is a high-quality automatic transmission fluid developed for use in transmissions and related systems where this fluid type is specified.
The formulation is based on highly refined mineral oils and selected additives, providing stable fluid properties under normal operating conditions. It is intended for professional and industrial use in accordance with the equipment manufacturer’s service instructions.
Key benefits:
- Automatic transmission fluid for transmission applications
- Mineral oil–based formulation with selected additive components
- Stable physical and chemical properties under normal operating conditions
- Suitable for use where Yanmar Genuine Transmission Fluid is specified
- Intended for controlled industrial and professional use
Product details:
- Colour: Red
- Flash point (COC): approx. 202 °C
- Density: approx. 0.87 kg/l at 15 °C
- Kinematic viscosity: approx. 37.7 mm²/s at 40 °C
Available packaging: 1 L
Don’t settle for “non-genuine” oil and coolants – demand the original. Find your authorised Yanmar dealer today.
Yanmar strongly recommends using genuine Yanmar oils and coolants. They are specifically formulated for Yanmar engines and emissions systems, ensuring optimal performance, durability, and compliance.
• 15W-40 is suitable for EU Stage IIIA / Tier 3 equivalent and earlier engines
• Premium 10W-30 is recommended for modern, low-emission EU Stage V Yanmar engines
Always refer to your engine manual for the correct specification.
EU Stage V engines use advanced aftertreatment systems such as DPF. The 10W-30 formulation is designed to support DPF longevity, reduce ash accumulation, and maintain stable emissions performance.
Yes. Yanmar Long-Life Coolant is ready to use and provides freeze protection down to -40 °C. Mixing with water is not required.
Yes. Genuine Yanmar oils and coolants help prevent wear, corrosion, and system contamination. Reducing unplanned downtime and supporting lower total cost of ownership over the engine’s lifetime.
