What oil does a 2014 Ford F-350 6.7L Diesel take?
The 2014 Ford F-350 with the 6.7L 8-cylinder Power Stroke diesel engine requires an oil capacity of 13.1 quarts (including filter replacement). Recommended viscosities vary by temperature: 10W-30 is recommended for normal usage, while 5W-40 is suggested for severe operations. For those using biodiesel blends (up to B20), AMSOIL recommends using 5W-40 or 15W-40 oil.
AMSOIL product recommendations
Based on the vehicle specifications, AMSOIL offers several high-performance lubrication options for your Ford Power Stroke diesel engine. Below are the recommended products for this application.
Engine Oil Options
| Product Name | Viscosity | Part Number |
|---|---|---|
| AMSOIL Signature Series Max-Duty Diesel Oil | 10W-30 | DTTQT-EA |
| AMSOIL Signature Series Max-Duty Diesel Oil | 5W-40 | DEOQT-EA |
| AMSOIL Heavy-Duty Synthetic Diesel Oil | 10W-30 | ADNQT-EA |
| AMSOIL Heavy-Duty Synthetic Diesel Oil | 5W-40 | ADOQT-EA |
Oil Filter Options
Air Filter Options
| Product Name | Part Number |
|---|---|
| WIX Air Filter | 49902-EA |
Engine Oil Specifications & Details
Proper lubrication is critical for the longevity of the 6.7L Power Stroke engine. Always verify your specific operating environment to select the correct viscosity.
Viscosity Selection Guide
| Temperature Range | Recommended Viscosity |
|---|---|
| Below 10°C | 0W-30, 0W-40 |
| Above -18°C | 10W-30 (Normal) / 5W-40 (Severe) |
| Above -7°C | 10W-30 (Normal) / 5W-40 (Severe) |
| Above -29°C | 5W-40 |
Note on Biodiesel: If biodiesel fuel blends (B20 max) are used, the use of 5W-40 or 15W-40 oil is recommended.
Oil Change Specifications
- Capacity: 13.1 quarts (with filter). Always check the oil level after refilling.
- Oil Drain Plug Torque: 19 ft/lbs.
- OEM Specification Note: The AMSOIL lookup note references Ford Material Engineering Specification WSS-M2C171-F1 for this application. Ford has indicated that they recommend oils meeting WSS-M2C171-F1 rather than standard CK-4 motor oils to provide additional wear protection in 6.7L diesel engines.
Common diesel oil-related concerns and how AMSOIL products may help
Diesel engines operate under high pressure and thermal stress. Choosing the right synthetic lubricant can mitigate common operational challenges.
| Concern | Why it matters | AMSOIL Product | How it may help | Limitation |
|---|---|---|---|---|
| Engine Wear | High-pressure diesel combustion causes friction. | Signature Series Diesel Oil | Delivers up to 6X more wear protection based on Detroit Diesel DD13 testing. | Requires regular service intervals. |
| Extreme Temperatures | Fluctuating temps affect viscosity and flow. | Heavy-Duty Synthetic Diesel Oil | Excels in extreme temperatures to maintain protection. | Not a substitute for correct grade selection. |
| Contaminant Loading | Small particles can cause abrasive wear. | AMSOIL Oil Filter | Provides 99% filtering efficiency at 20 microns. | Must be replaced according to schedule. |
Diesel maintenance notes for this vehicle
When maintaining a Ford Power Stroke diesel, owners should focus on several key areas:
- Fuel Quality: Monitoring fuel quality and managing filtration is vital for high-pressure common rail systems.
- Exhaust Aftertreatment: Managing the exhaust aftertreatment system is a standard part of modern diesel ownership.
- Cooling Performance: Ensure robust cooling performance, especially when operating under heavy loads or towing.
- Oil Level Monitoring: Because this engine has a large capacity (13.1 qts), always verify the level after every oil change to ensure no leaks are present.
Common maintenance concerns for this vehicle
Based on general diesel operation, owners of the 2014 F-350 should consider:
- Turbocharger Maintenance: Given the turbocharger setup, ensuring clean oil and proper lubrication is essential.
- Fuel Filtration: Diesel engines are sensitive to water and particulates in fuel; regular filter changes are recommended.
- Heavy-Duty Use: As a Class 2 or 3 truck designed for high-capacity tasks, wear on components may accelerate under heavy towing or payload conditions.
Recall, TSB, and manufacturer communication notes
NHTSA Recall Information:
A recall was identified regarding Jerr-Dan modified chassis (2009-2014 F-350/F-450/F-550) equipped with certain Muncie Power Products PTO Assemblies. In these specific cases, oil may leak from the PTO pressure switch onto a thermal blanket covering the exhaust, which could increase fire risk. The remedy involves installing a new pressure switch kit.
Note: This recall is specific to Jerr-Dan modified vehicles. Always verify your specific vehicle’s status by contacting a dealer or checking your VIN on the NHTSA website.
About this vehicle
The 2014 Ford F-350 is a prominent member of the Ford Super Duty series, engineered specifically for heavy-duty applications rather than being adapted from lighter consumer models like the F-150. Depending on its Gross Vehicle Weight Rating (GVWR), it is categorized as a Class 2 or 3 truck, often exceeding 8,500 lbs.
This model features the Ford Power Stroke V8 diesel engine, a staple of the Super Duty lineup known for providing the high torque and durability required for substantial payloads and heavy towing. Because these trucks are built on dedicated heavy-duty chassis, they are frequently used in both pickup configurations and chassis cab roles for various commercial applications.
Owners typically prioritize maintenance routines that support long-term engine health, including monitoring fuel quality and managing exhaust aftertreatment systems. Given the complexity of modern diesel engines, it is recommended to research specific service intervals for turbocharger maintenance and specialized diesel engine oils. Technical details regarding performance metrics should be verified through official Ford service manuals to ensure accuracy during maintenance tasks.
Common questions about this vehicle’s diesel oil and maintenance
How much oil does my 2014 F-350 6.7L take?
It takes 13.1 quarts of engine oil when replacing the filter.
What is the correct oil viscosity for severe service?
For severe operations, the manufacturer recommends 5W-40. If using biodiesel blends (up to B20), 5W-40 or 15W-40 is recommended.
Does Ford recommend CK-4 oil for this engine?
The AMSOIL lookup note states that Ford continues to recommend motor oils meeting the Ford specification WSS-M2C171-F1 instead of standard CK-4 motor oils for the 6.7L diesel engines.
What is the oil drain plug torque spec?
The oil drain plug should be torqued to 19 ft/lbs.
Can I use AMSOIL Signature Series in my F-350?
Yes, AMSOIL lists the Signature Series 10W-30 and 5W-40 Max-Duty Diesel Oils for this application.
How can I check for open recalls on my truck?
You should verify current recalls by checking your VIN through official Ford service channels or the NHTSA website.
Disclaimer: This information is derived from provided source data. Always consult your owner’s manual and professional mechanics for specific maintenance requirements.