For the 2009 Ford F-450 Pickup equipped with the 6.4L 8-cylinder Diesel Turbo (Engine Code R), the oil capacity is 15 quarts with a filter change. Recommended viscosities include 10W-30 for temperatures between -18 to 10°C, and 15W-40 or 5W-40 for temperatures above -7°C or -29°C respectively. AMSOIL recommends using Signature Series Max-Duty Synthetic Diesel Oil for high-performance protection.
What oil does a 2009 Ford F-450 6.4L take?
The 2009 Ford F-450 with the 6.4L diesel engine requires specific viscosities based on ambient operating temperatures. For extreme cold (below 10°C), 0W-30 or 0W-40 is appropriate. In moderate ranges (-18 to 10°C), 10W-30 is used. For warmer climates or heavy duty use, 5W-40 or 15W-40 is recommended.
The total engine oil capacity for the 2009 Ford F-450 6.4L is 15 quarts when including the oil filter. It is essential to check the oil level after refilling to ensure accuracy.
AMSOIL product recommendations
The following AMSOIL products are specifically listed for your 2009 Ford F-450 6.4L diesel engine to assist with maintenance and performance.
Engine Oil Options
| Product Name | Part Code |
|---|---|
| AMSOIL Signature Series 10W-30 100% Synthetic Max-Duty Diesel Oil | DTTQT-EA |
| AMSOIL Signature Series 5W-40 100% Synthetic Max-Duty Diesel Oil | DEOQT-EA |
| AMSOIL 10W-30 Heavy-Duty 100% Synthetic Diesel Oil | ADNQT-EA |
| AMSOIL 5W-40 Heavy-Duty 100% Synthetic Diesel Oil | ADOQT-EA |
Oil Filter Options
| Product Name | Part Code |
|---|---|
| AMSOIL Oil Filter [1] | EA15K88-EA |
| WIX XP Oil Filter | 57312XP-EA |
| AMSOIL SDF88 Oil Filter | SDF88-EA |
Other Essential Fluids & Filters
| Component | Product/Code |
|---|---|
| Air Filter | P613522-EA |
| Antifreeze/Coolant | ANTPC1G-EA |
| Antifreeze (Concentrated) | ANT1G-EA |
Engine Oil Viscosity Guide
| Temperature Range | Recommended Viscosity |
|---|---|
| Below 10°C | 0W-30, 0W-40 |
| -18 to 10°C | 10W-30 |
| Above -29°C | 5W-40 (or 15W-40 for heavy duty/towing) |
| Above -7°C | 15W-40 (or 5W-40 for heavy duty/towing) |
Engine Oil Specifications & Notes
The AMSOIL lookup oil grade is SEO84. The AMSOIL lookup note references Ford Material Engineering Specification WSS-M2C171-F1 for this application. It notes that Ford recommends meeting the WSS-M2C171-F1 specification rather than CK-4, as testing on some CK-4 formulations showed inadequate wear protection compared to earlier CJ-4 formulations.
How much oil does it take with a filter change?
Oil Service Specifications
| Specification | Value |
|---|---|
| Capacity (with filter) | 15 Quarts |
| Oil Drain Plug Torque | 32 ft/lbs |
Common diesel oil-related concerns and how AMSOIL products may help
Diesel engines operating under heavy loads face unique lubrication challenges. Below is a summary of common concerns and how specific AMSOIL products can support engine health.
| Concern | Why it matters | AMSOIL Product | How it may help | Limitation |
|---|---|---|---|---|
| Heavy-duty towing | Increases engine heat and stress | DEOQT-EA | Maintains proper viscosity under load | Requires regular monitoring |
| Engine Wear | Contaminants can cause damage | DTTQT-EA | Delivers up to 6X more wear protection | Not a repair for existing damage |
| Extreme Temperatures | Affects fluid flow and thickness | ADNQT-EA | Excels in extreme temperature ranges | Must match viscosity to temp |
Diesel maintenance notes for this vehicle
Maintenance of the 6.4L Power Stroke engine should focus on high-torque demands and heavy towing requirements. For vehicles used for trailer towing, AMSOIL recommends using 5W-40 or 15W-40 viscosity oils to ensure adequate protection under load.
Common maintenance concerns for this vehicle
Owners of the Ford F-450 Super Duty should prioritize several key areas:
- Fuel System Integrity: Essential for maintaining diesel engine performance.
- Turbocharger Health: Critical for managing high-torque demands.
- Cooling Systems: Robust cooling is necessary to manage the heat generated during heavy-duty work.
Recall, TSB, and manufacturer communication notes
NHTSA recall research for the 2009 Ford F-450 indicates one specific recall record:
- Campaign 14V498000: Certain chassis modified by PJ’s and equipped with Muncie Power Products PTO Assemblies may have oil leaking from the PTO pressure switch onto a thermal blanket covering the exhaust. This presents an increased risk of fire. The remedy involves installing a new pressure switch kit to move the switch away from the exhaust system.
Note: Always verify open recalls by checking your specific VIN through official manufacturer channels or the NHTSA website.
About this vehicle
The 2009 Ford F-450 is a heavy-duty pickup truck belonging to the Ford Super Duty series. Positioned above consumer-oriented models like the F-150, the Super Duty line was introduced in 1999 to provide enhanced towing and payload capabilities through dedicated, heavier-duty chassis components. The F-450 is part of this specialized range designed for high-capacity work, often serving as a Class 3 truck that bridges the gap between light-duty pickups and larger commercial chassis cabs.
This specific vehicle is equipped with a Ford Power Stroke V8 diesel engine. The Power Stroke engine family is well-known within the Super Duty lineup for being engineered to handle high-torque demands of heavy towing and commercial applications. Because this is a diesel-powered heavy-duty truck, maintenance focus typically shifts toward fuel system integrity, turbocharger health, and robust cooling systems. Owners often research topics related to fuel filter replacement intervals and heavy-duty suspension maintenance due to the high GVWR associated with the F-450 platform.
Users should verify exact engine specifications and emission control components against their specific VIN, as engine configurations can vary within the Power Stroke family. Detailed service intervals for oil, filters, and specialized fluids should be cross-referenced with the official Ford owner’s manual to ensure compliance with heavy-duty duty cycles.
Common questions about this vehicle’s diesel oil and maintenance
What is the oil capacity for my 2009 F-450 6.4L?
The engine requires 15 quarts of oil when performing a service that includes a filter change.
Which AMSOIL oil is best for heavy towing with this truck?
For heavy-duty driving and trailer towing, the AMSOIL lookup recommends using either 5W-40 or 15W-40 viscosity oils.
What torque spec should I use for the oil drain plug?
The oil drain plug should be torqued to 32 ft/lbs.
Does Ford recommend CK-4 oils for this engine?
The AMSOIL lookup note states that Ford continues to recommend motor oils meeting the Ford specification WSS-M2C171-F1 instead of CK-4 motor oils for older diesel engines like the 6.4L.
What should I do if I have a PJ’s Truck Bodies modification?
If your vehicle was modified by PJ’s and has a Muncie PTO, be aware of recall 14V498000 regarding potential oil leaks near the exhaust. Contact PJ’s customer service at 1-866-475-8782.
How can I improve my diesel engine’s wear protection?
Using high-quality synthetic oils like AMSOIL Signature Series, which is noted to deliver up to 6X more wear protection in certain tests, can help protect engine components.
Disclaimer: Information provided is based on available source data. Always consult your vehicle’s official service manual or a certified mechanic before performing maintenance.