Motorcraft
Motorcraft 10W-30 Super Duty Diesel Oil for 6.7L Power Stroke - 5 Quart Jug, 3-Pack (XO-10W30-5Q3SD)
Motorcraft 10W-30 Super Duty Diesel Oil for 6.7L Power Stroke - 5 Quart Jug, 3-Pack (XO-10W30-5Q3SD)
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Ford sells two different diesel oils and they are not interchangeable. This one is SAE 10W-30, API CK-4, Ford WSS-M2C171-F1 — the Power Stroke® oil. Ford's other diesel oil is SAE 5W-30 FA-4, WSS-M2C214-B, and it is for the 3.0L Power Stroke in the F-150 and Police Responder only. FA-4 is a different category with a lower high-temperature viscosity target; it is not a substitute here, and this oil is not a substitute there.
Ford's crankcase capacity for the 6.7L Power Stroke in the 2023-on F-250 through F-600 is 15.0 quarts with the filter. That is three 5-quart jugs, with nothing left over and nothing missing.
This is genuine Motorcraft® SAE 10W-30 Super Duty Diesel Motor Oil, part number XO-10W30-5Q3SD. Ford's own description: it “meets Ford WSS-M2C171-F1, required for use in Power Stroke® Diesel engines.”
Three sealed 5-quart jugs. If your truck is a 13-quart year, this still covers it — with two quarts spare for top-off between services.
Straight from Ford's Motorcraft oil applications and crankcase capacities chart, Version 23 (US, 7/2026). Capacities include the filter change.
| Application | Capacity | Ford's oil |
| 6.7L DIT Diesel F-250–600 2017–2022 | 13.0 qt | SAE 10W-30 — this oil |
| 6.7L DIT Diesel F-250–600 (23–) / F-650–750 (17–23) | 15.0 qt — this lot | SAE 10W-30 — this oil |
| 6.7L DIT Diesel F-650–750 current | 17.0 qt | SAE 10W-30 — this oil |
| 3.2L Turbo Diesel Transit | 12.0 qt | SAE 5W-40 — not this oil |
| 3.0L Turbo Diesel F-150 / Police | 6.5 qt | SAE 5W-30 FA-4 — not this oil |
The two bottom rows are the ones people get wrong. A Transit 3.2L wants 5W-40 and the 3.0L F-150 wants FA-4 5W-30 — neither is this product. Check your owner's manual for the capacity and the specification, not just the engine size. If you are unsure, call us at (626) 378-7212 with the year, model and engine and we will check before you buy.
Ford does list this oil for the older Power Stroke engines, but with a temperature condition attached, and we would rather you hear it from us than find out later. Ford's wording, verbatim:
Read plainly: on a 6.7L, 10W-30 is Ford's oil at any ambient temperature above 0 °F. On a 7.3L, 6.0L or 6.4L, Ford brackets 10W-30 to a cool-weather band and points warmer climates at a heavier grade. If you run a 6.0L in Arizona in July, this is not the grade Ford puts you in.
Those three engines are commonly quoted at 15 quarts as well, which is why this lot gets bought for them. We are not going to pretend the temperature note does not exist just because the count matches.
Ford describes the formulation as using “premium hydroprocessed base oils and unique additive technology.” We quote that rather than labelling it, because Ford does not call this oil conventional, synthetic, or a blend anywhere in its own literature — retailers apply those words, not Ford.
The Cummins, Detroit Diesel, Volvo and Mack claims mean the same jug covers a lot of on-highway fleet equipment, not just Ford. If you are buying for a mixed fleet, that matters.
| SAE grade | 10W-30 |
| Kinematic viscosity @ 40 °C | 85 cSt |
| Kinematic viscosity @ 100 °C | 12.3 cSt |
| Viscosity index | 140 |
| Cold cranking viscosity @ −25 °C | 5800 cP |
| Pour point | −48 °C (−54 °F) |
| Flash point (COC) | 240 °C (464 °F) |
| Specific gravity @ 15.6 °C | 0.869 |
| Total base number (ASTM D2896) | 9.6 mg KOH/g |
| Phosphorus | 1150 ppm |
| Ford specification | WSS-M2C171-F1 |
| Motorcraft part number | XO-10W30-5Q3SD |
Values are from Ford's published US product typicals sheet for this oil and represent normal production tolerance. They are not a specification. Ford does not publish HTHS, sulfated ash or Noack figures for this product, so we do not list them.
Motor oil is a regulated liquid, so we cannot ship to PO boxes, APO/FPO addresses, Alaska, Hawaii or Puerto Rico by air. If your address is outside our standard ground service we will contact you before charging anything.
Ford sells this oil in 5-quart jugs. Truck capacities are 13, 15 and 17 quarts, so we make up the lot instead of leaving you to work it out at the counter.
A US lubricants distributor, shipping from our own warehouse.
Questions about fitment, part numbers or bulk quantities? Call us at (626) 378-7212.
Shipping and delivery
Shipping and delivery
Free shipping within the contiguous 48 states, no minimum order. Orders placed before 1:00 PM Pacific on a business day ship the same day; after that, the next business day. Delivery is typically 3 to 7 business days depending on distance, and you get tracking by email as soon as it ships.
We also ship to Alaska, Hawaii, U.S. territories and Canada, where the exact cost is calculated at checkout before you pay. Aerosols travel by ground only and cannot go by air.
Not sure this is the right spec?
Not sure this is the right spec?
Call (626) 378-7212 before you order and we will confirm the exact grade and approval your engine or gearbox needs. Two products can share a viscosity grade and be entirely different oils.
If we tell you the wrong one, send it back opened. We pay shipping both ways and refund in full.
If it arrives damaged
If it arrives damaged
Oil occasionally leaks in transit. Photograph the box before you unpack anything else and email sales@calbestsupplies.com within 5 days of delivery. We replace it or refund it in full, shipping included, and in most cases you do not return anything.
