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You're under the F-350 on a Saturday morning, drain plug already out, and it hits you: is this a one-jug job or a two-jug job? The 6.7L Power Stroke takes more than twice what a 6.2L gas V8 needs. Grab wrong and you're either short or overfilled, and neither ends well on a truck that pulls a gooseneck five days a week. This guide lays out the exact oil volume for every F-350 engine, sorted by year, so you know what to buy before the hood ever goes up.
F-350 oil volume depends on the engine. The 6.7L Power Stroke diesel takes 13 quarts (2011-2019) or 15 quarts (2020-2026) with a filter change. The 7.3L Godzilla gas V8 takes 10 quarts. The 6.2L Boss gas V8 takes 6 quarts. The older 7.3L Power Stroke diesel (1994-2003) takes around 15 quarts. Always confirm with your owner's manual and use the Ford-specified oil grade.
F-350 Oil Capacity at a Glance: Engine-by-Engine Chart
Here's the full picture in one place. Most guides only cover the 6.7L diesel. That leaves out a bunch of trucks, including every 7.3L Godzilla and every 6.2L gas F-350 that came off the line between 2011 and 2019.
| Engine | Years | Oil Capacity (with filter) | Recommended Grade |
|---|---|---|---|
| 6.7L Power Stroke Diesel (1st gen) | 2011-2019 | 13 quarts | 10W-30 diesel |
| 6.7L Power Stroke Diesel (2nd gen) | 2020-2026 | 15 quarts | 10W-30 diesel |
| 7.3L Godzilla Gas V8 | 2020-2026 | 10 quarts | 5W-30 |
| 6.2L Boss Gas V8 | 2011-2019 | 6 quarts | 5W-20 |
| 7.3L Power Stroke Diesel (older) | 1994-2003 | ~15 quarts | 15W-40 diesel |
| 6.4L Power Stroke Diesel | 2008-2010 | 15 quarts | 15W-40 diesel |
Use this chart to match your VIN year to the right oil volume before you buy jugs.
Two things trip people up. First, the 2020 refresh of the 6.7L jumped from 13 to 15 quarts. Second, the 7.3L nameplate got reused. "7.3" means one thing on a 1999 truck and something completely different on a 2022 truck. We'll break down each one below.
6.7L Power Stroke Diesel Oil Capacity by Year
The 6.7L Power Stroke has been the volume diesel option in the F-350 since 2011. Ford has revised the block twice, and the oil volume changed with it. If you've been servicing the same 6.7L since 2013 and you just bought a 2022, you are about to underfill by 2 quarts.
2011-2014 6.7L Power Stroke
13 quarts with the filter. This is the first-generation block, called the "Scorpion" by owners. Recommended grade is 10W-30 diesel oil meeting Ford spec WSS-M2C171-F1. Some owners in colder climates step down to 5W-40 synthetic for winter starts, and Ford's approved that on the severe-duty list.
2015-2019 6.7L Power Stroke
Still 13 quarts with the filter. Ford updated the turbo and injectors mid-cycle but held the volume steady. Same 10W-30 diesel spec. If you're changing oil on a 2017 F-350 King Ranch that a buddy just sold you, plan on 13 quarts and one filter.
2020-2026 6.7L Power Stroke
15 quarts with the filter. The 2020 refresh brought the second-generation 6.7L with a stiffer block and revised oiling. This is where owners get burned. You pour in 13 quarts because that's what you've always done, the dipstick reads normal because it settles low, and you're running 2 quarts light. The Ford spec page and your owner's manual both list 15 quarts for a reason.
7.3L Godzilla Gas V8 Oil Capacity (2020-2026)
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“They feel super comfortable and were easy to install! Can't wait to get my custom rear seat covers!”
“There's not much to say — you simply have to buy them yourself because they truly speak for themselves. From the online purchase to the fit, top notch.”
“I couldn't have been more pleased with this product!”
“Great fit, great looks, great quality. Exactly what I wanted for my truck.”
The 7.3L Godzilla is the big gas V8 Ford dropped into the Super Duty lineup in 2020. It's showing up in a lot of fleet F-350s. 10 quarts with the filter. Ford spec is 5W-30 (some early builds listed 5W-20, so check your cap and your manual).
This engine gets skipped in almost every F-350 oil guide out there. It shouldn't. Municipal fleets, plow trucks, and work-spec XLs are running Godzillas by the thousand. Filter sits on the driver's side of the block, easy access from under the truck. Drain interval runs 7,500 miles on conventional or up to 10,000 on full synthetic under normal duty.
6.2L Gas V8 Oil Capacity (2011-2019)
The 6.2L Boss V8 was the standard gas option in F-350 XL and XLT trims for most of the previous generation. 6 quarts with the filter. 5W-20 is what Ford calls out. Drain interval is 7,500 miles under normal use, drop to 5,000 if you're towing hard or idling on a job site.
Not a complicated engine, and the small oil volume makes it cheap to service. Six quarts and a $12 filter and you're back on the road in 25 minutes.
Older 7.3L Power Stroke Diesel Oil Capacity (1994-2003)
The original 7.3L Power Stroke is the engine that built the Super Duty reputation. Around 15 quarts with the filter change. Ford calls for 15W-40 diesel oil, and most owners running these trucks in Texas, Arizona, or the Gulf Coast leave 15W-40 in year-round. Up north, some folks drop to a 5W-40 synthetic for the cold months.
Drain interval on these old workhorses lands somewhere between 5,000 and 7,500 miles depending on how hard the truck works. Ask anyone with a 250,000-mile 7.3 and they'll tell you the trick is not stretching the intervals. Change it early, change it often, and the engine will outlive the frame.
Oil Type and Grade: What Ford Specifies for Each Engine
Grade matters as much as volume. Pouring 15W-40 into a Godzilla is a bad day for the cam phasers.
- 6.7L Power Stroke (all years): 10W-30 diesel oil, Ford spec WSS-M2C171-F1. 5W-40 approved for severe cold or biodiesel blends up to B20.
- 7.3L Godzilla gas: 5W-30 (some 2020 builds listed 5W-20), Ford spec WSS-M2C946-B or WSS-M2C961-A1.
- 6.2L Boss gas: 5W-20, Ford spec WSS-M2C945-A.
- Older 7.3L Power Stroke: 15W-40 diesel oil, API CJ-4 or better.
- 6.4L Power Stroke (2008-2010): 15W-40 diesel oil.
For current model-year confirmation, cross-check the Ford spec page against your owner's manual. Ford updates approved oil specs each model year and the manual is the tiebreaker if there's ever a warranty question.
How to Check Your F-350 Oil Level the Right Way
Sounds basic, but the 6.7L is a common misread. Let the engine sit for at least 5 minutes after shutdown so the oil drains back into the pan. On the 6.7L, the dipstick tube runs deep and the stick is long. If you pull it fast you'll get oil smeared halfway up and read it as overfull.
Pull the dipstick, wipe it clean, push it all the way back in, wait a beat, then pull it again. That's your real reading. The MIN and MAX marks on the 6.7L represent about 2 quarts of difference, not 1. On the Godzilla, it's closer to 1 quart between marks. If you're at MIN on a 6.7L, you're 2 quarts down, not half a quart.
Check on level ground. A truck parked nose-down in a driveway reads high; nose-up reads low.
Oil Change Intervals for the F-350: Miles and Hours
Ford's numbers, broken out by engine and duty cycle:
| Engine | Normal Duty | Severe Duty (tow, idle, dust) |
|---|---|---|
| 6.7L Power Stroke | 7,500 miles | 5,000 miles |
| 7.3L Godzilla | 7,500-10,000 miles | 5,000 miles |
| 6.2L Boss | 7,500 miles | 5,000 miles |
Every F-350 from 2011 on has the Intelligent Oil-Life Monitor (IOLM). It tracks engine hours, load, temperature, and cold starts, and it'll tell you when to change the oil regardless of the mileage. Trust it on a truck that lives in mixed duty. Ignore it on a truck that idles 6 hours a day on a job site and go by hours instead. A rough rule guys running work trucks use: 1 idle hour equals about 25-30 miles of driving.
Keeping the Cab as Clean as the Engine Bay
Here's the part nobody talks about. You just spent an hour under the truck, your hands are black, your forearms are worse, and you climb back into the cab to move it out of the driveway. That grease goes straight into the seat bolster. Do that 40 times a year and the cloth is done.
Factory cloth on an F-350 XL wasn't built for that. Even the leather in a Lariat picks up shop-rag stains that never really come out. If you use your Super Duty like a tool, you need seat protection built for it. Seat Cover Solutions makes tailored, OEM-style covers cut to the exact seat shape of your F-350, airbag-safe, and installed in under an hour. Take a look at seat covers for trucks and work vehicles, or browse the full range of Ford seat cover options from Seat Cover Solutions if you own more than one Ford.
Frequently Asked Questions
Q: How much oil does a F-350 7.3 take?
Depends which 7.3. The original 7.3L Power Stroke diesel (1994-2003) takes about 15 quarts with a filter change and runs 15W-40 diesel oil. The newer 7.3L Godzilla gas V8 (2020-2026) takes 10 quarts and runs 5W-30. Same displacement number, completely different engine family, so confirm the build year on your VIN before you buy jugs.
Q: How much oil does a 2020 Ford F-350 with the 6.7L diesel take?
15 quarts with the filter change. Ford bumped the volume up from 13 quarts starting with the 2020 model-year refresh of the 6.7L Power Stroke. If you've been servicing older 6.7Ls and default to 13 quarts, you'll be 2 quarts short on a 2020 or newer truck. Owner's manual and the oil-fill cap both list the correct volume.
Q: What oil does a 6.7L Power Stroke F-350 use?
Ford specifies 10W-30 diesel oil meeting spec WSS-M2C171-F1 for normal use. For severe cold or biodiesel blends up to B20, Ford approves 5W-40. Any oil bearing the Ford spec and API CK-4 rating works. Skip the generic gas-engine 5W-30 sitting on the shelf; the 6.7L needs a diesel-rated oil with the right additive package.
Q: How often should I change the oil on my F-350 diesel?
Ford calls for 7,500 miles under normal duty and 5,000 miles under severe duty on the 6.7L Power Stroke. Severe duty means heavy towing, extended idling, dusty conditions, or lots of short cold-start trips. The Intelligent Oil-Life Monitor on 2011 and newer trucks tracks all that automatically and tells you when a change is due. On job-site trucks, go by engine hours.
Q: Can I use synthetic oil in my F-350?
Yes. Ford approves full synthetic in both the 6.7L Power Stroke and the 7.3L Godzilla as long as it meets the required Ford spec (WSS-M2C171-F1 for the diesel, WSS-M2C946-B or 961-A1 for the Godzilla). Synthetic holds up better under sustained heat and load, and it supports the longer normal-duty drain intervals. Most Super Duty owners running heavy tow duty run full synthetic year-round.
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