Landcruiser Diesel Oil

Submitted: Saturday, May 10, 2008 at 16:46
ThreadID: 57456 Views:30764 Replies:9 FollowUps:9
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Hi all, wondering what oil people use in there fourbies, specifically the 1HZ or any older Diesels with 300,00kms. Manual says use 20w/40 cd or better with the 1HZ but im not sure what the better part means. Surely it would mean thinner viscosity, especially on older engine. Doesnt matter what brand just want some opinions on the grades of oil. Cheers
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Reply By: Member - David P (VIC) - Saturday, May 10, 2008 at 16:54

Saturday, May 10, 2008 at 16:54
I would check out the Penrite site.....silverback
AnswerID: 303071

Follow Up By: Member - Warfer (VIC) - Saturday, May 10, 2008 at 16:55

Saturday, May 10, 2008 at 16:55
Spot on Dude,Now read my reply below

LMAO


Cheers
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Reply By: Member - Alastair D (NSW) - Saturday, May 10, 2008 at 18:11

Saturday, May 10, 2008 at 18:11
I use Penrite Diesel in my 94 troopy 1Hz and Penrite Diesel 15 in my turbo 100 series. The first is a mineral oil only and the second is a semi synthetic. The general wisdom seems to be use a quality oil and stick to the recommendations for grade. It is best to not use a semi or full synthetic oil in engines older than about 12 years as some of the seals were not designed for synthetic oil and they harden and leak.

Be careful using house brand oils as they tend to be based on price and are bought from whoever can supply the cheapest at the time.
AnswerID: 303083

Follow Up By: Member - Alastair D (NSW) - Saturday, May 10, 2008 at 18:13

Saturday, May 10, 2008 at 18:13
OOps just realised my profile is a bit out of date. The dear old Pajero went to another home last year. Will fix shortly.
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Reply By: Cruiser 2091 - Saturday, May 10, 2008 at 18:42

Saturday, May 10, 2008 at 18:42
Hi Tukka.
I brought a Hj 60 new in 1985. From new it used over a litre of oil every 5000 kls.
At 10000 klms Toyota advised me that although the oil type was correct I should change oil brands.
I changed to Castrol RX super and it immediately stopped using oil. I sold the car at 330000 Klms and it was still going fine and using no oil.
Hope this of interest.
Regards Cruiser.
AnswerID: 303085

Reply By: Bushtrek - Saturday, May 10, 2008 at 20:01

Saturday, May 10, 2008 at 20:01
Tukka,
Couple of points first up:
The SAE 20W-40 viscosity is quite an old concept now when lubricating modern diesel engines. Most formulations changed to SAE 15W-40 about 20 years ago when the availability of more shear stable viscosity index improvers became commercially viable.

These SAE 15W-40 oils are a better lubricant for your engine because they still match the SAE 40 requirement at operating temperature while being thinner at start up so they flow faster around the engine to provide better start up protection.

The API CD classification is long dead. Current classification is API CI -4 (there is a CI-4 plus but that's for heavy duty applications, mainly Mack truck ) and for diesel engine oils to meet this level they have a much ,much better level of component protection.

You would be better served by using an SAE 15W-40, API CI-4 oil.
As to brand, Castrol, Shell, Penrite, Caltex, Mobil BP, they all have suitable products. Castrol RX Super has been mentioned, this is a very good product, known in the industry as the million mile oil for big trucks. That is a million miles before first overhaul of the engine.
Your 1HZ has only just been run in at 300K, don't think of it as an older engine, we have one on the farm that's up to 1,628,000 Km and still going strong. Hasn't needed a rebuild, and is used all day every day.
AnswerID: 303101

Follow Up By: Member - Mark E (VIC) - Saturday, May 10, 2008 at 21:57

Saturday, May 10, 2008 at 21:57
Wow,

"......we have one on the farm that's up to 1,628,000 Km and still going strong. Hasn't needed a rebuild, and is used all day every day.........."

Hey Doug T.......makes your engine look like just a pup!!! :-)

Cheers,

Mark
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Follow Up By: Member - Warfer (VIC) - Sunday, May 11, 2008 at 01:21

Sunday, May 11, 2008 at 01:21
Thanks for your article Bushtrek

I wanted Penrite in my Hilux,I'm new to Diesels but did a hell of a lot of research on oil,who uses what on forums etc etc,Dont know what was used by previous owner but i wanted Penrite semi-synthetic...My mechanic said 20W-40 (he wanted to put in normal Castrol Oil i think) but they only had 15W-40 in stock @ local parts suppplier and i want the best for the engine..After referring to my owners manual it was fine for the Turbo Diesel but you wonder should i have put 20W-40 in the back of your mind...


Cheers feel better now !
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Reply By: Top End Explorer Tours - Sunday, May 11, 2008 at 00:58

Sunday, May 11, 2008 at 00:58
Hey Tukka

I have just changed from Penrite HPR diesel to Mobil Delvac, I have used HPR diesel for 14 years and It work perfect, on all of my 1HZ engines.

Why the change you ask? I worked at Mobil Jabiru for 3 months and was able to obtain parts and oil at cost price as an employee.

HPR diesel was over $1500 per 208 lt drum and Delvac at cost was $1150, so as I change my oil and filters at 2 week intervals I have opted for the cheaper option, I have friends in the industry that swear by Mobil as well.

My option now is purely economical.

Cheers Steve.
AnswerID: 303156

Follow Up By: Kev & Darkie - Sunday, May 11, 2008 at 07:07

Sunday, May 11, 2008 at 07:07
Steve,

If you want economical then you need to trade all your vehicles and get a Big Ford Courier on ULP and add LPG................ Isn't that what is being driven by someone on this forum and supposedly the most economical vehicle you can get??

BTW

Happy Birthday for yesterday.

Cheers Kev
Russell Coight:
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Follow Up By: happytravelers - Sunday, May 11, 2008 at 08:13

Sunday, May 11, 2008 at 08:13
I've also used mobil delvac for years in my 1HZ, a great oil.
Jon
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Follow Up By: Top End Explorer Tours - Sunday, May 11, 2008 at 09:05

Sunday, May 11, 2008 at 09:05
Hey Kev.

ROTFLMAO.

As I typed the word economical I thought someone will relate me to that person.

Be careful Kev when talking about Jim, you may end up on his list, then you will get abused, and if you're lucky he may want to fight you.

As for changing to Delvac, it just made sense.

BTW I am sporting a hang over that would kill a normal man.

Cheers Steve.
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Follow Up By: Kev & Darkie - Sunday, May 11, 2008 at 09:13

Sunday, May 11, 2008 at 09:13
But it is economical.............. lets not forget that ha ha ha

Good to see you had a good day yesterday.

Cheers Kev
Russell Coight:
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Reply By: Member - sparra - Sunday, May 11, 2008 at 08:35

Sunday, May 11, 2008 at 08:35
castrol rx super every 5000klm (and filter) on my 1hz, 1998 75 series,295,000klm.

cheers, sparra
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Reply By: Member - The Crow (QLD) - Sunday, May 11, 2008 at 09:53

Sunday, May 11, 2008 at 09:53
I use Penrite HPR Diesel 15 in my new 76 Cruiser v8 and have 14000ks on it now no dramas.
200 Series V8 Diesel
Thanks for the Rest Flying West and Flying Very Low along the track not coming back. The Crow

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Follow Up By: Member - The Crow (QLD) - Sunday, May 11, 2008 at 09:56

Sunday, May 11, 2008 at 09:56
Penrite do need to update their site for the new model cars.
200 Series V8 Diesel
Thanks for the Rest Flying West and Flying Very Low along the track not coming back. The Crow

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Reply By: Bros 1 - Sunday, May 11, 2008 at 22:10

Sunday, May 11, 2008 at 22:10
tukka,
I use Shell Super Diesel in my 1985 2H HJ75. (370,000k's) Was using Rimula x until i got onto the Shell site and they said that i should be using Shell Super Diesel or Shell Rimula D. Don't have to add oil between changes. (Approx every 5,000k's)
Cheers,
Bros.
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Reply By: Member - Phil G (SA) - Sunday, May 11, 2008 at 22:33

Sunday, May 11, 2008 at 22:33
Your 1Hz is fine with any diesel engine oil, - I go along with Bushtrek's well explained advice above.

I use Gulf Western Top Dog - its the right specs 15W40 Ci-4 and you won't be wasting your money on advertising hype. I used to get it for $72 for 20litres from Adelaide Truck and 4wd, but i'd expect its gone up lately.
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