Ford’s 6.7 Power Stroke is the torque king of the HD wars, and it also carries the biggest oil sump — yet the 6.7 Power Stroke oil capacity is still one of the most butchered numbers in truck forums. “Takes 12.” “Takes 15 with the cooler.” “Just fill to the plug.” No. It takes thirteen quarts with a filter, and it has taken thirteen quarts every model year since 2011.

Why should you care about one quart of trivia? Because the 6.7 Power Stroke oil capacity is the foundation of a lubrication system that feeds a turbo, a fuel pump that uses engine oil for high-pressure duties in early models, and bearings that tow fifth-wheels across the continent. Underfill it and you starve the top end; overfill it and you’re aerating oil at 105,000 rpm of turbo speed. This guide gives you the verified number for every generation, the correct API CK-4 viscosity, the cartridge filter procedure that catches people out, honest intervals, and the fill-and-verify routine we run in the shop.

Everything below is checked against Ford owner documentation, Motorcraft part data, and API diesel oil standards, then cross-checked on Super Duties in my own bays. Cross-shopping Ram or GM? We’ve published the 6.7 Cummins oil capacity and 6.6 Duramax oil capacity the same way.

6.7 Power Stroke Oil Capacity at a Glance

Bookmark this table — it answers the whole 6.7 Power Stroke oil capacity question in ten seconds.

How Much Oil Does a 6.7 Power Stroke Take? (By Year)

Fourteen years, four power ratings, one sump: the 6.7 Power Stroke oil capacity has never moved off 13 quarts with a filter.

2011–2014: the debut generation

Ford’s clean-sheet 6.7 arrived with a reverse-rotation turbo and, yes, the 13-quart 6.7 Power Stroke oil capacity. Early trucks used engine oil inside the fuel system’s high-pressure pump as well — one more reason the oil in these years deserves synthetic discipline and on-time changes.

2015–2016: the refinement years

More power, updated turbo, same 13 quarts. These are excellent used buys; check service records, because the 6.7 Power Stroke oil capacity only protects trucks that were actually filled with it.

2017–2019: 935 lb-ft arrives

Torque jumped, cooling improved, sump unchanged. The 6.7 Power Stroke oil capacity stayed at 13 — proof the original design had margin built in.

2020–2024: the 1,050 lb-ft era

Current trucks push 475 hp and 1,050 lb-ft with the same 13-quart system and a well-calibrated Intelligent Oil Life Monitor. Use it, then confirm with the dipstick after every fill.

Why the 6.7 Power Stroke Oil Capacity Is 13 Quarts

People ask why Ford’s diesel drinks three quarts more than a Duramax. Three engineering reasons:

• Turbo and thermal load. The 6.7’s turbo and EGR cooling circuits hold real volume; the larger sump stabilizes pressure and temperature at hot idle under load.
• Early fuel-system design. 2011–2014 trucks circulate engine oil through the high-pressure fuel pump — the 13-quart 6.7 Power Stroke oil capacity budgets for that extra duty.
• Soot and dilution headroom. A diesel’s oil suspends soot and fuel; more volume means slower additive depletion and longer safe drains — the same logic as heavy machinery sumps.

So the 13-quart 6.7 Power Stroke oil capacity isn’t bloat; it’s engineered headroom. Your job is simply to fill it with the right oil and verify it on the stick.

Towing 30,000+ lbs and the 6.7 Power Stroke Oil Capacity

Super Dutys are bought to pull, and the 6.7 Power Stroke oil capacity is doing quiet work every time you hook up. With gooseneck loads near 30,000 lbs GCWR, oil temperature and soot load climb exactly when the film matters most.

• Mountain grades: sustained climbs plus integrated exhaust braking heat the oil; the 13-quart sump absorbs it, but your interval should shrink even though the 6.7 Power Stroke oil capacity never changes.
• Heavy idle duty: service and wrecker Super Dutys idle for hours; count idle time against the interval, because dilution doesn’t show on the odometer.
• Cold-weather towing: 5W-40 synthetic is where the 6.7 Power Stroke oil capacity actually protects — flow first, volume second.

The fill number never changes — 13 quarts, every scenario — but how far one fill lasts absolutely does.

Best Oil Type for the 6.7 Power Stroke

Knowing the 6.7 Power Stroke oil capacity is half the job; the bottle is the other half. Ford specifies a diesel-rated oil meeting API CK-4: the factory fill is 10W-30 meeting WSS-M2C171-F1, and 5W-40 is the cold-climate and severe-service recommendation. In my bays, 5W-40 full synthetic runs year-round in every Power Stroke we service.

10W-30 vs 5W-40

10W-30 is the proven, warrantied factory fill and fine for moderate climates. But cold-start wear is real: 5W-40 flows in seconds at dawn and holds a 40-weight film at tow temps. For a truck that sees winter mornings or mountain afternoons, synthetic is cheap insurance — and Ford explicitly sanctions 5W-40 for severe use.

The spec that matters

Whichever viscosity you choose, the label must carry the API CK-4 donut. Gasoline-rated oils lack the detergents and anti-wear chemistry a soot-loaded diesel needs; the 6.7 Power Stroke oil capacity deserves diesel chemistry, full stop. Brand is your choice — Motorcraft, Rotella T6, Delo 400 XSP, Mobil Delvac — spec is not.

Cold Weather & the 6.7 Power Stroke Oil Capacity

Winter is where viscosity choices get real. The 6.7 Power Stroke oil capacity doesn’t change in January, but oil flow does — and cold, thick oil is the top-end and turbo bearing killer of big diesels.

• Below freezing, run 5W-40 synthetic. It’s exactly what Ford’s severe-service logic points to — flowing in seconds where 10W-30 crawls for minutes.
• A block heater isn’t just for starting. Warm oil at crank time means the full 13-quart 6.7 Power Stroke oil capacity is actually circulating during the critical first moments.
• Idle 30–60 seconds after a cold start. Glow plugs fire the engine; oil pressure saves it. Throttle before pressure is how turbos die young.
• Short-trip winter use is severe service. Fuel dilution climbs when the oil never fully heats, so shorten your interval even though the 6.7 Power Stroke oil capacity is unchanged.

If your Super Duty plows, delivers, or lives outside in the northern states, treat every fill as severe-service oil and log the hours, not just the miles.

The Cartridge Filter: Part Numbers & Procedure

Here’s where the Power Stroke differs from Cummins and Duramax: there’s no spin-on can. The 6.7 uses a top-mounted cartridge housing — you unbolt the cap, swap the paper element, and refit the cap with a fresh O-ring. Reusing a hardened O-ring is the classic Power Stroke oil leak, and choosing the right element matters as much as knowing the 6.7 Power Stroke oil capacity.

• Motorcraft FL-2016 — the factory cartridge, from Motorcraft’s official catalog (verify by VIN; housing revisions exist).
• Quality aftermarket cartridges — Wix or Donaldson equivalents with proper media and end-cap seals.
• New housing O-ring every service — it’s a dollar part that prevents a dollar-an-hour cleanup.

Lube the new O-ring and element seal with clean oil, torque the cap gently (hand-tight plus a whisper — cracking the housing is a real repair), and double-check nothing fell into the housing. Five minutes of care here keeps your 13 quarts clean.

Is the cartridge better than a spin-on? Honestly: it’s cleaner environmentally and lets you inspect element seating, but it adds an O-ring failure point and a few extra minutes. Neither design changes the 6.7 Power Stroke oil capacity; both only ask for a fresh seal and a gentle hand. Coming over from Cummins or Duramax, the only real learning curve is cap torque: fingers, not forearm.

6.7 Power Stroke vs Cummins & Duramax Oil Capacity

The bar argument, settled with numbers:

The Power Stroke runs the biggest sump, which buys thermal and soot headroom at the cost of a slightly pricier fill. Longevity, in my experience, separates maintenance discipline — not sump size. For the rivals, see our Cummins and Duramax guides.

How to Check the Oil Level Correctly

Half the “Power Stroke burns oil” panic I diagnose is a misread stick. The truthful routine:

1. Park on level ground — a slope lies by a quart.
2. Shut down and wait 10–15 minutes for drain-back from the turbo and heads.
3. Pull the yellow-handled dipstick, wipe clean, reinsert fully.
4. Read both sides; trust the lower mark; aim between add and full.
5. Top up in half-quarts through the fill cap — never a full quart blind.

Right after a tow, the reading skews low until drain-back finishes — don’t conclude the 6.7 Power Stroke oil capacity changed; it didn’t. Chasing it with extra oil is how 13 quarts becomes 14, and 14 quarts becomes foam. In this bay, we fill thirteen quarts, verify on the dipstick, log the miles, and then move on every single time.

How to Change the Oil in a 6.7 Power Stroke (Step by Step)

The shop routine, start to finish. First-timer: 50 minutes (the cartridge adds time). Veteran: 25.

Tools & materials to have ready

• Ramps or jack stands and wheel chocks
• Socket for the drain plug plus a torque wrench; new drain washer if equipped
• Socket for the filter housing cap and a 13+ quart drain pan — the full 6.7 Power Stroke oil capacity will overflow a small pan
• Funnel, nitrile gloves, lint-free rags
• 13 quarts of CK-4 oil (5W-40 synthetic preferred), Motorcraft FL-2016 cartridge and a fresh housing O-ring

1. Warm it up. Ten minutes of driving puts soot in suspension so it leaves with the old oil.
2. Lift and secure. Stands set, brake on, wheels chocked. Never trust a jack alone.
3. Drain. Remove the pan plug, drain hot, and reinstall snug with a fresh washer (published figures cluster around 25–30 lb-ft).
4. Cartridge out. Unbolt the housing cap, lift the element, catch the residual, and wipe the housing clean. Inspect the old O-ring — it comes out whether it looks tired or not.
5. Cartridge in. Lube the new element seal and housing O-ring, seat the element, refit the cap gently.
6. Fill 13 quarts. The full 6.7 Power Stroke oil capacity, filter included — no “minus a little” guessing.
7. Run and verify. Idle 60 seconds, shut down, wait 10 minutes, dipstick, and top up in half-quarts to full.
8. Reset the IOLM. Clear the Intelligent Oil Life Monitor in the cluster, log mileage, and re-check for cap and plug seeps after the next drive.

Pro tip: write the mileage and date on the housing cap with a paint pen before it goes back on. Six months later that ink ends the “when was it changed?” debate — and a dated cap is the cheapest proof of care you can hand a buyer. Recycle the used oil and filter at any parts store; one drain can foul a million gallons of fresh water.

6.7 Power Stroke Oil Capacity: DIY vs Shop Cost

The 6.7 Power Stroke oil capacity sets the bill: 13 quarts is the priciest fill of the big three.

• DIY: 13 quarts of CK-4 5W-40 synthetic ≈ $100–$125, plus $18–$28 for cartridge and O-ring. Total roughly $120–$150.
• Independent shop: typically $170–$220 installed.
• Dealer: commonly $250–$320.

That’s the tax of the biggest sump — and still trivial next to what neglect costs. If money’s tight, DIY it: the drain is friendly and the cartridge lives on top where daylight reaches.

What 13 Quarts Costs Over 300,000 Miles

Zoom out and the 6.7 Power Stroke oil capacity becomes an economics lesson. At a 7,500-mile average interval, 300,000 miles is 40 services. DIY at ~$135, that’s $5,400 of oil for the engine’s whole life. Shop-done at $195, ~$7,800. Dealer at $285, ~$11,400.

The other column: a neglected Power Stroke that spins a bearing or grenades its turbo runs $8,000–$15,000. The 13-quart 6.7 Power Stroke oil capacity is the cheapest insurance contract in diesel — forty small payments that cancel one catastrophic invoice. When a customer calls oil “too expensive,” I slide that math across the counter. Nobody argues twice.

There’s also a resale angle I’ve watched for twenty years: Super Dutys with dated caps, logged services and oil-analysis histories bring real money at auction, because the buyer’s fear on a used 6.7 is hidden neglect. Your $135 DIY service does double duty — protecting bearings today and documenting value for the day the truck changes hands. A filled, logged 6.7 Power Stroke oil capacity is an asset line item.

Oil Change Interval for the 6.7 Power Stroke

Once the 6.7 Power Stroke oil capacity is filled right, timing is the next religion. Ford says follow the Intelligent Oil Life Monitor — and it’s honestly modeled. Real-world translation from my bays:

• Highway/light duty: 9,000–10,000 miles on 5W-40 synthetic is routine.
• Heavy towing / plowing / idle-heavy: 5,000–7,500 miles; soot and fuel dilution eat the interval.
• Factory 10W-30: keep to the shorter end of the monitor’s range, especially in heat or cold extremes.

One nuance: the IOLM doesn’t know which oil you actually poured in. Run synthetic and tow light, and the monitor’s longer end is trustworthy; run factory 10W-30 and pull a fifth wheel through August, and you should shave 20–30% off its suggestion. The 13-quart 6.7 Power Stroke oil capacity dilutes a lot of sin — but it can’t dilute a lying oil-life entry.

If your Super Duty lives on a grade with a gooseneck behind it, service at 5–6k and stop negotiating with physics. Oil is the cheapest component on the engine; treat the 13-quart 6.7 Power Stroke oil capacity like the insurance policy it is.

7 Mistakes That Kill a Power Stroke

Twenty years of diesel autopsies, and the killers repeat:

1. Overfilling past full. The 6.7 Power Stroke oil capacity is 13 quarts — not “13 plus the jug’s leftovers.” Foamed oil starves bearings.
2. Gas-rated oil. Wrong chemistry; soot overwhelms the additives in thousands of miles.
3. Reusing the housing O-ring. A hardened O-ring weeps; a weeping cap becomes a low-oil event you scheduled.
4. Cold-revving at startup. Thirty seconds of idle beats thirty of throttle for turbo life.
5. Cracking the filter housing. Hand-tight plus a whisper; the cap is plastic-threaded on some years.
6. Stretching drains on 10W-30 while towing. The monitor assumes the oil you entered; lie to it and it lies back.
7. Skipping the post-fill dipstick. Every pan drains a little differently; the stick is the only witness that matters.

6.7 Power Stroke Oil Capacity: Myths vs Facts

Forum folklore, pressure-tested against spec sheets and drain pans:

• Myth: “Takes 15 quarts with the cooler.” Fact: The cooler’s volume is included; the 6.7 Power Stroke oil capacity is 13 with a filter.
• Myth: “2020+ takes more because it’s stronger.” Fact: Same 13 quarts; torque grew, sump didn’t.
• Myth: “Synthetic changes the capacity.” Fact: Chemistry never changes volume; the 6.7 Power Stroke oil capacity is 13 quarts with any CK-4 oil.
• Myth: “Duallys need extra oil.” Fact: GVWR doesn’t resize the pan; an F-450 takes the same 13 quarts.
• Myth: “12 quarts came out, so it takes 12.” Fact: Drain-out isn’t fill volume; a hot drain returns ~12, the spec with filter is 13.

Believe the dipstick, not the story — the 6.7 Power Stroke oil capacity has been boringly consistent since 2011.

Generation Notes: 2011 to 2024

While the 6.7 Power Stroke oil capacity never changed, each generation changed the oil’s working conditions. 2011–2014 trucks circulated engine oil through the high-pressure fuel pump — extra duty, extra reason for synthetic. 2015–2016 revised the turbo and cooling. 2017–2019 added power and better thermal management. 2020+ runs the toughest 6.7 yet with the smartest monitor, still drinking the same 13 quarts. Knowing your generation tells you how hard the oil works between services — the fill quantity stays constant.

Oil Analysis: What 13 Quarts Can Tell You

Used-oil analysis is the cheapest engine MRI in the business: for about $25 a sample you get soot percentage, fuel dilution, water and wear metals — iron, copper, aluminum, lead — the early signatures of turbo, bearing and fuel-system trouble.

The 6.7 Power Stroke oil capacity is generous, which dilutes contaminants — so trend over time matters more than any single sample. Pull warm samples mid-interval, every other service, before draining. Watch rising iron (wear), high soot (combustion/DPF), and fuel dilution above ~5% (idle and regen-heavy duty). The lab reads the trend; you read the invoice — and catching one problem early keeps your next service a routine refill of the 6.7 Power Stroke oil capacity, not a teardown.

Signs Your Power Stroke Is Low on Oil

The 6.7 warns you before it wounds you:

• Low-oil message or gauge fade in the cluster — never drive through it.
• Turbo lag or whine — the turbo sits first in line for pressure.
• Top-end tick at hot idle that calms after a top-up.
• Oil sheen at the housing cap — the O-ring weep that becomes a quart-a-month leak.

Below the add mark? Top up in half-quarts now, then find the cause. A healthy 6.7 shouldn’t drink oil between full 6.7 Power Stroke oil capacity services — if yours does, get compression and leak-down testing before assuming catastrophe. Questions? Our contact page is open.

The Bottom Line

Fourteen years, four power ratings, one number: the 6.7 Power Stroke oil capacity is 13 quarts (12.3 L) with a cartridge filter change — API CK-4 oil, 5W-40 synthetic preferred, Motorcraft FL-2016 element with a fresh housing O-ring, verified on the dipstick after a 10-minute drain-back. Get the 6.7 Power Stroke oil capacity right and that sentence is the entire religion. Oil is cheap; bearings are not. Warm it, drain it, cartridge it, fill it, verify it — and the Power Stroke will outlive your truck’s paint. For more verified specs — towing, bolt patterns and oil capacities across gas and diesel — browse GarageNumbers.com, read the latest in our blog, or learn how we verify every number. The dipstick always gets the final word. Save this page, share it with your fleet, and keep servicing smart.

Sources & Evidence

Every figure on this page was checked against the following primary sources:

• Ford official site — Super Duty owner resources
• Motorcraft — OEM parts (FL-2016 cartridge, oils)
• API Engine Oil — service categories CK-4 / CJ-4 explained
• GarageNumbers — 6.7 Cummins oil capacity guide (comparison data)
• GarageNumbers — 6.6 Duramax oil capacity guide (comparison data)

Figures can vary slightly by configuration and production run. Always confirm against your owner’s manual; see our disclaimer.