Chevron Delo Syn-Grease SFE EP 0
NLGI 0 Synthetic Semi-Fluid Grease for Trailer Wheel-Ends and Axles
Chevron Delo Syn-Grease SFE EP 0 is a high-performance synthetic semi-fluid grease specifically engineered for compatible trailer wheel-end and axle lubrication across a wide range of operating temperatures.
The formulation combines a polyalphaolefin, or PAO, synthetic base oil with a polyurea thickener, extreme-pressure additives, rust and oxidation inhibitors and friction-reducing agents. This combination provides low-temperature flow, high-temperature stability, antiwear performance and extreme-pressure load-carrying capability for demanding trailer lubrication applications.
Chevron recommends Delo Syn-Grease SFE EP 0 for trailer axles where a semi-fluid NLGI 0 grease of this type is specified.
Key Benefits
- NLGI 0 semi-fluid synthetic grease
- Specifically engineered for trailer wheel-end lubrication
- Recommended for compatible trailer axle applications
- PAO synthetic base oil
- Polyurea thickener
- Extreme-pressure additive system
- Excellent antiwear and low-friction performance
- Low-temperature lubrication down to -45°C (-50°F)
- High-temperature stability up to 190°C (375°F)
- 230°C (446°F) dropping point
- Low starting torque in cold conditions
- Strong oxidation resistance at elevated temperatures
- Rust protection
- Smooth, semi-fluid consistency
- Good low-temperature flow characteristics
- Supports extended lubrication intervals when appropriate for the equipment and maintenance program
Designed for Trailer Wheel-End Lubrication
Delo Syn-Grease SFE EP 0 was developed specifically for trailer wheel-ends operating under changing temperature and load conditions.
Trailer wheel-end lubrication can require a grease that is fluid enough to move through the hub and reach lubricated components while still providing sufficient film strength and load-carrying protection.
The semi-fluid NLGI 0 consistency helps the grease flow within compatible wheel-end and axle systems while the EP and antiwear additives protect loaded contact surfaces.
Always confirm that the trailer or axle manufacturer specifies a semi-fluid grease with compatible performance characteristics.
PAO Synthetic Base Oil
The product uses a polyalphaolefin synthetic base oil, commonly abbreviated PAO.
PAO base oils are used to provide useful viscosity characteristics over a broad temperature range.
For Delo Syn-Grease SFE EP 0, typical base-fluid properties include:
- Viscosity Index: 150
- Kinematic viscosity at 40°C: 130 cSt
- Kinematic viscosity at 100°C: 17.6 cSt
Polyurea Thickener
Chevron uses a polyurea thickener in Delo Syn-Grease SFE EP 0.
The formulation contains approximately 9% polyurea thickener and has a typical dropping point of 230°C (446°F).
The dropping point is a laboratory property indicating the temperature at which the grease changes physical state under the test method. It is not the same as the recommended continuous operating temperature.
Chevron lists the product's operating range as approximately -45°C to 190°C (-50°F to 375°F). The maximum value represents the upper temperature at which the grease may be used with frequent relubrication.
Low-Temperature Trailer Grease Performance
Cold temperatures can increase grease resistance and starting torque within wheel-end systems.
The PAO base oil and semi-fluid consistency help Delo Syn-Grease SFE EP 0 flow at low temperatures.
Chevron lists:
- Minimum operating temperature: -45°C (-50°F)
- Starting torque at -40°F: 1.4 Nm
- Running torque at -40°F: 0.9 Nm
The minimum operating temperature refers to grease already in place. It does not mean the product can necessarily be pumped through every lubrication system at that temperature.
High-Temperature Stability
Trailer wheel-ends can generate substantial heat from bearings, braking systems, loads, speed and ambient conditions.
Delo Syn-Grease SFE EP 0 is formulated for high-temperature stability up to 190°C (375°F) under the conditions described by Chevron.
The polyurea thickener, PAO synthetic base oil and oxidation inhibitors help the grease resist deterioration at elevated temperatures. Chevron notes that the maximum operating-temperature value assumes frequent relubrication.
Extreme-Pressure and Antiwear Protection
Loaded wheel-end components need a lubricant capable of maintaining protection when contact pressures increase.
Typical laboratory results include:
- Timken OK Load: 45 lb
- Four-Ball Wear Scar: 0.34 mm
- Four-Ball Load Wear Index: 50 kg
- Last Nonseizure Load: 126 kg
- Four-Ball Weld Point: 200 kg
These values characterize lubricant performance in standardized tests and should not be interpreted as equipment load ratings.
Rust and Oxidation Protection
The formulation includes rust and oxidation inhibitors.
Chevron's ASTM D1743 bearing rust protection result is listed as Pass.
Rust and oxidation control are especially relevant in trailer wheel-end systems exposed to moisture, storage, seasonal use and changing operating temperatures.
Semi-Fluid NLGI 0 Consistency
Delo Syn-Grease SFE EP 0 is a semi-fluid grease with a smooth texture and gold color.
Typical ASTM D217 penetration values are:
- Unworked penetration: 365
- Worked penetration: 390
Its softer consistency allows it to flow more readily than conventional NLGI 1 or NLGI 2 greases. Do not substitute it for a firmer wheel-bearing grease unless the equipment manufacturer permits an NLGI 0 semi-fluid lubricant.
Trailer Axle Applications
Chevron specifically recommends Delo Syn-Grease SFE EP 0 for:
- Trailer axles
- Compatible trailer wheel-end lubrication systems
- Trailer hub systems designed for semi-fluid grease
It can be particularly useful where the application requires:
- Low-temperature flow
- Low starting torque
- High-temperature oxidation resistance
- Extreme-pressure protection
- Antiwear performance
Confirm the grease consistency, thickener type and equipment requirements before use.
Delo Syn-Grease SFE EP 0 vs. Conventional Wheel Bearing Grease
Delo Syn-Grease SFE EP 0 differs from many conventional wheel-bearing greases because it is an NLGI 0 semi-fluid synthetic grease.
Many traditional automotive wheel-bearing greases use an NLGI 2 consistency.
An NLGI 0 grease flows more readily and may be appropriate for trailer wheel-end systems specifically designed around semi-fluid grease. It should not automatically replace an NLGI 2 wheel-bearing grease simply because both products are used around bearings.
Extended Lubrication Intervals
Chevron lists extended lubrication intervals among the benefits of Delo Syn-Grease SFE EP 0.
Actual relubrication intervals depend on:
- Trailer design
- Bearing condition
- Operating temperature
- Vehicle load
- Speed
- Water or contamination exposure
- Duty cycle
- Manufacturer requirements
Do not extend service intervals solely on the basis of the grease formulation without considering the equipment manufacturer's maintenance requirements.
Typical Technical Properties
| Property |
Typical Value |
| NLGI Grade |
0 |
| Product Number |
259117 |
| Base Oil Type |
PAO Synthetic |
| Thickener Type |
Polyurea |
| Thickener Content |
9% |
| Minimum Operating Temperature |
-45°C (-50°F) |
| Maximum Operating Temperature |
190°C (375°F) |
| Dropping Point |
230°C (446°F) |
| Unworked Penetration |
365 |
| Worked Penetration |
390 |
| Base Fluid Viscosity at 40°C |
130 cSt |
| Base Fluid Viscosity at 100°C |
17.6 cSt |
| Base Oil Viscosity Index |
150 |
| Timken OK Load |
45 lb |
| Four-Ball Wear Scar |
0.34 mm |
| Four-Ball Load Wear Index |
50 kg |
| Four-Ball Weld Point |
200 kg |
| Bearing Rust Protection |
Pass |
| Starting Torque at -40°F |
1.4 Nm |
| Running Torque at -40°F |
0.9 Nm |
| Texture |
Smooth, Semi-Fluid |
| Color |
Gold |
Typical test data represents normal product characteristics and should not be treated as guaranteed batch specifications.
Frequently Asked Questions
What is Chevron Delo Syn-Grease SFE EP 0?
Chevron Delo Syn-Grease SFE EP 0 is an NLGI 0 synthetic semi-fluid grease specifically engineered for compatible trailer wheel-end and axle lubrication.
Is Delo Syn-Grease SFE EP 0 synthetic?
Yes. The product uses a PAO synthetic base oil.
What type of thickener does Delo Syn-Grease SFE EP 0 use?
It uses a polyurea thickener.
Is Delo Syn-Grease SFE EP 0 a polyurea grease?
Yes. Chevron lists polyurea as the thickener type.
What NLGI grade is Delo Syn-Grease SFE EP?
Chevron currently markets Delo Syn-Grease SFE EP as NLGI Grade 0.
What is NLGI 0 grease?
NLGI 0 is a softer, more fluid grease consistency than commonly used NLGI 1 or NLGI 2 greases. Its flow characteristics can make it suitable for certain semi-fluid grease lubrication systems.
Is Chevron Delo Syn-Grease SFE EP 0 trailer wheel bearing grease?
It is specifically engineered for trailer wheel-ends and recommended for trailer axles. Use it only where the hub or axle manufacturer permits an NLGI 0 semi-fluid grease with compatible performance characteristics.
Can Delo Syn-Grease SFE EP 0 be used as trailer hub grease?
Yes, in compatible trailer wheel-end or hub systems designed for this type of semi-fluid grease. Check the hub or axle manufacturer's lubricant requirement before use.
Is Delo Syn-Grease SFE EP 0 recommended for trailer axles?
Yes. Trailer axle lubrication is Chevron's primary recommended application for the product.
Can I replace NLGI 2 wheel bearing grease with NLGI 0?
Not automatically. NLGI 0 and NLGI 2 have substantially different consistencies. Use the grease consistency specified by the equipment manufacturer.
What temperature range does Delo Syn-Grease SFE EP 0 have?
Chevron lists an operating range from approximately -45°C to 190°C (-50°F to 375°F).
Can Delo Syn-Grease SFE EP 0 be used at 375°F continuously?
Chevron lists 190°C (375°F) as its maximum operating temperature, but the PDS notes that this upper value assumes frequent, daily relubrication. It should not be interpreted as an unrestricted continuous-use temperature.
What is the dropping point of Delo Syn-Grease SFE EP 0?
The typical dropping point is 230°C (446°F).
Is dropping point the same as maximum operating temperature?
No. The dropping point is a laboratory property. Chevron lists the practical maximum operating temperature separately as 190°C (375°F), with frequent relubrication at that upper limit.
Is this grease suitable for cold-weather trailer operation?
Yes. Low-temperature performance is one of its primary benefits. Chevron lists lubrication down to -45°C (-50°F).
What is the cold starting torque of Delo Syn-Grease SFE EP 0?
Typical starting torque at -40°F is 1.4 Nm, with typical running torque of 0.9 Nm.
Does Delo Syn-Grease SFE EP 0 provide extreme-pressure protection?
Yes. It contains EP additives and is specifically described by Chevron as providing extreme-pressure load-carrying capacity.
Does this trailer grease protect against rust?
Yes. The formulation contains rust inhibitors and passes the ASTM D1743 bearing rust protection test.
What color is Delo Syn-Grease SFE EP 0?
It is gold.
Is Delo Syn-Grease SFE EP 0 pumpable at -50°F?
The -50°F value is Chevron's minimum lubrication temperature for grease already in place. The PDS specifically notes that most greases cannot necessarily be pumped at their minimum operating temperature.
Can Delo Syn-Grease SFE EP 0 extend lubrication intervals?
Chevron lists extended lubrication intervals among the product benefits. Actual intervals depend on the trailer, wheel-end design, operating conditions, contamination and the equipment manufacturer's maintenance requirements.
What is the base oil viscosity of Delo Syn-Grease SFE EP 0?
The PAO base fluid has typical kinematic viscosity of 130 cSt at 40°C and 17.6 cSt at 100°C.
What is the difference between semi-fluid grease and regular grease?
Semi-fluid grease has a softer consistency and flows more readily than firmer greases such as NLGI 2. This can make it appropriate for enclosed hubs or other systems specifically designed to use softer grease.
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