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  1. #1
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    Default Hilux D4D Engine Oil

    I am currently using Toyota 10W30 engine oil in my D4D Hilux.
    What other alternative oils can I consider that meets the spec.

  2. #2
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    Default Re: Hilux D4D Engine Oil

    Toyota oils are CF4. Do you want to stay with 10W30?

    Anything better than CF4 such as Delo, Helix etc should be fine.

    I prefer and run 15w40 Toyota in two D4Ds and the wife's RAV, buy direct from the dealer. Also CF4

    You will probably get varied answers as each has their preference.
    Last edited by Reece; 2024/05/31 at 11:12 AM.

  3. #3
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    Default Re: Hilux D4D Engine Oil

    I have been using Shell Helix and now Shell Rimula 15w40 in my d4d.

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  5. #4
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    Default Re: Hilux D4D Engine Oil

    Shell Rimula 15w40
    2013 Toyota Fortuner 3.0 D4D 4x4 Auto
    ZS6DCP

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  7. #5
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    Default Re: Hilux D4D Engine Oil

    Quote Originally Posted by Reece View Post
    Toyota oils are CF4. Do you want to stay with 10W30?

    Anything better than CF4 such as Delo, Helix etc should be fine.

    I prefer and run 15w40 Toyota in two D4Ds and the wife's RAV, buy direct from the dealer. Also CF4

    You will probably get varied answers as each has their preference.
    Let me stick a Friday neck out here.

    Is 10w not better than 15w, particularly for short trips, stop/start in cooler weather and so on as it has lower viscosity on start up and circulates more quickly??

  8. #6
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    Default Re: Hilux D4D Engine Oil

    Quote Originally Posted by mudgrubber View Post
    Let me stick a Friday neck out here.

    Is 10w not better than 15w, particularly for short trips, stop/start in cooler weather and so on as it has lower viscosity on start up and circulates more quickly??
    Possibly... but years ago I searched this forum and it spat out that 15w40 was the best for the D4d? So I just do as I'm told....

    Lets hear what the others have to say? D4D manual says both are fine in SA's temp range. What has me though is that the Toyota branded oil is only rated as CF4 which is no too super. This will be used in the GD6s and Cruisers as well I believe as communicated by our local dealer

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  10. #7
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    Default Re: Hilux D4D Engine Oil

    Quote Originally Posted by mudgrubber View Post
    Let me stick a Friday neck out here.

    Is 10w not better than 15w, particularly for short trips, stop/start in cooler weather and so on as it has lower viscosity on start up and circulates more quickly??
    15W is a fine cold rating for our winters.
    40 is a better rating than 30 for a heat rating in our summers.

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  12. #8
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    Default Re: Hilux D4D Engine Oil

    Going through a similar decision making process for my GD6 and have done a
    lot of googling.

    I have narrowed my options down to either Shell Rimula 10w 40 or TITAN CARGO MAXX II SAE 10W-40.

    spoke with Greg from Fuchs oils, very helpful and knowledgeable. He suggestion was to keep the lower weight as it was previously but move the 30 to a 40 for additional heat etc.

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  14. #9
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    Default Re: Hilux D4D Engine Oil

    The 2nd number is the weight of the oil at operating temperature, which is much higher than any ambient temp on the planet. Climate simply doesn't play a role in the second number choice.
    A few minutes after start-up, the oil temperature will already be higher than the ambient temperature.
    If you choose 40 above 30, you should be motivated by the thought of having an oil with a bit more "body", but at a very small drop in performance and increase in fuel consumption.
    Any diesel turbo engine produces high torque numbers at relatively low revs, and then the thought of having a slightly heavier oil protecting the bearings from the onslaught of the conrod is rather pleasing.
    My indi, who is extremely knowledgeable about the big VAG diesel V6 and V8 engines, sticks a 5W40 in my V8.Click image for larger version. 

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  16. #10
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    Default Re: Hilux D4D Engine Oil

    Thanks Roelf, it amazes me that the same
    engine, granted with both catalytic converters and DPFs use 5w 20 in Aussie.

    Using the oil manufactures “oil finder” wizards and amending your country throughs out some odd recommendations.

  17. #11
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    Default Re: Hilux D4D Engine Oil

    Quote Originally Posted by Charlie Brown KZN View Post
    Thanks Roelf, it amazes me that the same
    engine, granted with both catalytic converters and DPFs use 5w 20 in Aussie.

    Using the oil manufactures “oil finder” wizards and amending your country throughs out some odd recommendations.
    Yip.
    Before GM left the country, all their cars had to run on DEXOS II oil spec. That is basically most full synthetic 5W30 oils. There was even a big sticker on the engine, insisting that you put the correct oil in.
    After GM's exit, Isuzu had control and then immediately went over to 15W40 mineral oil.
    My wife had a Chev Cruz from new for about 10 years. It had a noisy-ish idle from day one. After the service contract expired, I had it serviced independently and couldn't see the need for expensive full synthetic DEXOS II spec oil. Good old Caltex Delo 400 15W40 was put in. Immediately, the engine idled quietly on the heavier oil.
    One has to suspect that the only "wrong" oil is no oil or dirty oil.
    Last edited by RoelfleRoux; 2024/06/02 at 07:19 AM.

  18. #12
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    Default Re: Hilux D4D Engine Oil

    Quote Originally Posted by Mapog View Post
    15W is a fine cold rating for our winters.
    40 is a better rating than 30 for a heat rating in our summers.
    Not arguing about the 30W vs 40W but at the 10W or 15W. Following the oil for four stroke bikes, tendency is to go down to 10W for quicker circulation from cold when significant wear can take place.

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  20. #13
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    Default Re: Hilux D4D Engine Oil

    Hi,

    I also wondered about thinner/thicker oils.

    Interesting test on YT(20W-50 vs 5W-20):

    https://www.youtube.com/watch?v=zLBgIve1YzY

    Seems the thicker oil protects better against wear, but I guess it was for this particular engine, depends on various factors.

    Cheers,

    C

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  22. #14
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    Default Re: Hilux D4D Engine Oil

    Ek like die Liqui Moly 15w40 in my seun se D4D.

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    CJP

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    Default Re: Hilux D4D Engine Oil

    Have you tried this before?
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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  25. #16
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    Default Re: Hilux D4D Engine Oil

    I have never seen this oil before. Is it available from Engen outlets?

    I wonder if this oil is not supplied to Toyota by Engen as Toyota oil. The specification and even the label says for Toyota engines.

    I 'll check price difference and availability.

    Thanks for the info.

  26. #17
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    Default Re: Hilux D4D Engine Oil

    I worked as a technical manager for an oil company. They were very active with R&D and in one project wanted to prove the advantage of synthetic low "0W" vs conventional mineral "15W" rating. I was very interested and kept in close contact with the developments. After a very extensive amount of costly research, it became obvious that the actual / real amount of wear that took place at cold start up was negligible. This was after multiple back to back tests using technology of the highest level. e.g. They were irradiating wear surfaces (nuclear) and using this to measure wear particles. I was very surprised when they eventually gave up on the project with an "immeasurable conclusion". They even tried something similar to establish a fuel saving, again without any solid substantial proof.

    This was unfortunate as true synthetic lubricants are fantastic and have advantages way beyond mineral lubricants. Full synthetic lubricants are normally triple the price compared to mineral lubes. True part synthetic lubes are approximately double the price. These synthetics are "manmade lubricants" (eg - PAO's, esters, polyglycols, etc.)

    However, I also am very sorry to say that presently a large majority of "synthetics lubricants" out there are also not "true synthetics", but simply "extra refined mineral oils". This came about after a legal matter declared that mineral based lubricants may be marketed as synthetics. Unfortunately for the man in the street to determine "which is what" is not easy / possible. Oil companies also do not reveal the "type" of synthetic used and one can only conclude then that it is the less costly one to produce.

    The bottom line is that for our climate and conditions, viscosity wise, in 90% of applications, an SAE 15W/40 is absolutely ideal.
    Last edited by Sneaky Pete; 2024/06/20 at 08:59 PM.
    Peter
    SOMETIMES I WAKE UP GRUMPY,

    SOMETIMES I JUST LET HER SLEEP!

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  28. #18
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    Default Re: Hilux D4D Engine Oil

    With the ongoing oil debate and all the experts giving advice I decided to test all the well known oils at Wear Check for my own peace of mind. I did the tests after 5000 and 10 000 kms. Oil that came out on top was Delo 400 15W40. We have been running our KZ's, D4D's and GD6 on this with oil and filter changes every 10 000kms. Highest kms D4D sold was 498 000 kms. Engine was 100%. We've never had any engine issues with this oil. And no, I am not a Caltex rep, in fact I have nothing to do with them.

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  30. #19
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    Default Re: Hilux D4D Engine Oil

    Would be intersting to see which oils were compared. You mind sharing?
    Last edited by Pjansen83; 2024/07/11 at 04:02 PM.

  31. #20
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    Default Re: Hilux D4D Engine Oil

    Quote Originally Posted by pietdevs View Post
    With the ongoing oil debate and all the experts giving advice I decided to test all the well known oils at Wear Check for my own peace of mind. I did the tests after 5000 and 10 000 kms. Oil that came out on top was Delo 400 15W40. We have been running our KZ's, D4D's and GD6 on this with oil and filter changes every 10 000kms. Highest kms D4D sold was 498 000 kms. Engine was 100%. We've never had any engine issues with this oil. And no, I am not a Caltex rep, in fact I have nothing to do with them.
    What did you compare? Viscosity or additive condition?

    Groetnis

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    Last edited by Beurvoort; 2024/07/11 at 04:03 PM.
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