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Difference 35 - 35x

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BT Reistad

11-17-2005 15:05:11

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What is really the differences between the MF 35 and the MF 35x ??? MF 35 has both 3 and 4 syl engines. MF 35x has 3 syl. Some people say 35x has more power than the 35, is that right ? They look very similar to me. Or does the 35x have Perkins AD3-152 in stead of A3-152 ??? I really wonder... Help !

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BT Reistad Norway

11-20-2005 09:01:33

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Thank you, but not a revolution... in reply to BT Reistad, 11-17-2005 15:05:11

Thank you all for your answers !

But I'm not sure I know any more about the engines after this... Some of you are sure 35x never had the AD-engine, other say it had. I've heard from other earlier that the 35x should have a more powerful engine, but I don't find it in any part lists. You say the earlier had a A3.144 engine, but I KNOW some of the 35 my family have are fitted with 4 syl diesel engine.

Most of the MF tractors in Norway are made in GB and a few in France, so the American models are not very interesting.

But, thank you all for trying to help !

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DavidP, South Wales

11-20-2005 14:12:22

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Re: Thank you, but not a revolution... in reply to BT Reistad Norway, 11-20-2005 09:01:33

Hi,
Interesting tin of worms that you have opened here. The AD3.152 engine was not fitted to the MF35 or 35X. You mention four-cylinder diesels within your family. These will be the 23C. It is easy to check as the 3A.144 and A3.152 and AD3.152 engines had the exhaust on the left hand side as you sit in the seat. 23C engines had the exhaust on the right. Incidentally the AD4.203 engine fitted to the early 165s is a four cylinder version of the AD3.152.
Cheers
DavidP

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GaryF

11-21-2005 13:46:35

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Re: Thank you, but not a revolution... in reply to DavidP, South Wales, 11-20-2005 14:12:22

David...here at home in Canada. I have seen at least 3 MF65's fitted with the AD4-203 these tractors are more sought after that the A4-203 models.
On the other subject regarding the AD3 vs A3-152 engines in the 35x tractors. It is not hard to swap an earlier (3cyl) indirect injected engine for the later direct injected one. I could also see some owners doing just such a thing. Which could only further the confusion and fuel the debate!
Gary

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DavidP, South Wales

11-18-2005 13:29:19

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Re: Difference 35 - 35x in reply to BT Reistad, 11-17-2005 15:05:11

Hi, The following may well and truly throw a spanner in the works regarding some of the other messages posted.
With reference to the Bepco/Tracpieces MF catalogue and others, the following information is given;
A Perkins A3.144 engine was fitted to the early MF 35s with a bore of 88.92mm
Later 35s and 35x's had the A3.152 engine fitted with a bore size of 91.49mm. In NO place is any information given that the AD3.152 engine was fitted. However a MF 135 with an A3.144 is shown.
The differences in the engines largely revolve around the bore sizes, obviously the later having a little more power. Early examples had chrome liners fitted and later ones had cast liners. If you compare pistons from an AD3.152 you will see the torroidal cavity and pintle in the crown to enable mixing and combustion when the fuel is sprayed directly into the bore. The A3.152 engine has flat crowns as the mixing and initial combustion take place within the cylinder head.
The AD3.152 engine also has a longer stroke.
The plain 35 was an excellent starter but I believe MF tweaked the 'X' engine slightly to give a little more power but it was not quite such a good starter.
Yes I would agree with the Multi-power as an option. I have also seen 'X's with a 100 series handbrake and foot throttle although these may have been added later. I believe that diff lock was also an option but there are not many around without it. I believe that there was a standard version available in the UK with the TE 20 type seat and possibly different instrumentation but probably most new customers opted for the 'deluxe' seat as it was far more comfortable than the TE 20 ones.
DavidP

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Roy in UK

11-19-2005 22:51:11

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Re: Difference 35 - 35x in reply to DavidP, South Wales, 11-18-2005 13:29:19

David,
So I take it that the A3.144 engine was a newer version of the P3.144?

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Henning Hertz

11-19-2005 12:17:49

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Re: Difference 35 - 35x in reply to DavidP, South Wales, 11-18-2005 13:29:19

I think we must take into consideration that there were two different production lines, one in the US, and one in the UK. They had different engines and looked quite different in the tinwork. As for the 35"s sold in Europe, to my belief nearly all were Coventry UK built, and those are the only types I have info on from the fofh website.
Also the questions concerning the optional equipment for the 35 have two sides, US and UK. When you read the serial number stamped into the transmission housing, you can see with which main options the tractor was produced. Later add-ons were foot throttle, lighting, cab etc. I would like to know all the standard option codes for the UK built 35"s as I only have the most common ones (fx SNMYW meaning S:standard agricultural tractor, N:A3.152 Perkins, M:dual clutch, Y:diff. lock, W:Multi-Power - SHM meaning S:std., H:Standard Motors 87mm bore gas engine, M:dual clutch).
I would also like to know if the US ones are marked similarly. Wonder if an old M-F employee is around who is able to tell...

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Thomas

11-18-2005 14:41:44

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Re: Difference 35 - 35x in reply to DavidP, South Wales, 11-18-2005 13:29:19

David, I stand corrected, you are right, the direct injection was in the 135. I'm not sure about an A3.144 engine, I can find no reference to this. There was an F3.144 which was a half Perkins half Ford engine, fitted to the Dexta but never by Masseys.

I believe that the handbrake and foot throttle were fitted to industrial / highway models, as these required a secondary braking system. As far as I know these had two sets of shoes in each drum.

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DavidP, South Wales

11-19-2005 05:11:02

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Re: Difference 35 - 35x in reply to Thomas, 11-18-2005 14:41:44

Hi Thomas,
I was going to mention the Dexta 'connection but decided not to as the question did not really involve the Dexta. However, yes, the Perkins 3.144 engine was fitted to the early Dextas and then the '152' was fitted to the Super Dextas.
The 144 engine had an 88.9mm bore and 2.4 litre capacity whereas the 152 was 91.49 and 2.5 litres.
The amount of Ford items fitted to the bare 144 were minimal. Just about everything 'Ford' was bolted on, the sump, the fuel system, the back plate, flywheel and clutch and fuel priming system. Also the thermostat housing. I have not heard of the 'F' designation before but it is an easy step to refer to the engine this way.

Certainly highway and industrial models had the twin braking system. There were two sets of shoes fitted in the wide brake drum with two operating shafts running across the front of the trumpet housings. The handbrake was of a straight design not the familiar cranked one. They were awkward to repair and keep in adjustment and in my experience have reduced the value of the tractor considerably.

Regards

David

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Henning Hertz

11-18-2005 11:49:40

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Re: Difference 35 - 35x in reply to BT Reistad, 11-17-2005 15:05:11

Allow me to post this snip from the Friends of Ferguson Heritage web site:>Link

>Link FE 35, MF35 & MF35X- all models Model Year FE 35 Tractor with either Standard petrol, V.0. or 23c diesel engine.
Gold engine and transmission, grey tinwork. (Built up to Serial no.74655) 1956-1957 MF35 Tractor, Massey Ferguson/Standard built with either Standard petrol or V.0. engine.
Grey engine and transmission and red tinwork 1957-1964 MF35 Tractor, Massey Ferguson/Standard built with Standard 23c diesel engine.
Grey engine and transmission and red tinwork 1957-1959 MF35 Tractor with Perkins 3.152 diesel engine. (Built from Serial no.165596) 1959-1962 MF35X Tractor with Perkins A3.152 diesel engine. (Built from Serial no. 302413) 1962-1964

As you can see, no Coventry England built 35's had an AD3-152 engine. This engine was introduced with the MF135 in 1964.

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Rick(on)

11-18-2005 05:54:07

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Re: Difference 35 - 35x in reply to BT Reistad, 11-17-2005 15:05:11

The x stood for deluxe model. My father owned a 35 deluxe model that he purchased new in 63 which he had till 2002. They came with complete quages including fuel temp oil presure and amps.Diff lock and a few other things as well. I remember reading his owners manual and they explained in detail the differences between the deluxe models and reg. ones.Rick.

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GaryF

11-17-2005 22:34:56

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Re: Difference 35 - 35x in reply to BT Reistad, 11-17-2005 15:05:11

To the best of my knowledge the 35x was a "late" tractor. To me most significant difference is that the late MF35's had diff lock. I have been told that no MF35's were produced with the AD-152.
I have seen a late North American MF35 gas with a diff lock it was original. I don't know if that makes it an "x". Is the "x" for export as in made in UK?
You ask a good question.

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Thomas

11-18-2005 05:26:56

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Re: Difference 35 - 35x in reply to GaryF, 11-17-2005 22:34:56

The X was the added for the last 35's, it had the slightly more powerful direct injection AD3.152 rather than the indirect A3.152. Diff lock and Multipower were both offered as options for the first time, it is a popular belief that all 35x's had diff lock. This is not true, it was available and most did, but you can have an x without it. However, it was not available before the x so any 35 with a diff lock is a 35x. Other than that they were the same as the 35.

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BT Reistad Norway

11-20-2005 08:52:29

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AD3.152 ? in reply to Thomas, 11-18-2005 05:26:56

Thank you ! That's just what I've heard some say earlier. Are you sure ? Or may some X have the A3.152 and some AD3.152 ? Some other people here are very sure the 35 and 35X never had the AD-engine. My questions are about Norwegian tractors, and they are from GB.

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Ali,fae Crieff

11-19-2005 01:50:10

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Re: Difference 35 - 35x in reply to Thomas, 11-18-2005 05:26:56

Thomas, just a wee note to your comment, you could possibly get an ordinary 35 with diff lock as it was listed as an accssory in a catalogue I have which lists it as being available for the early 35 - No 892 445 M91 and for the later 35 No 892 446 M91 hope this helps. Ali

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GaryF

11-19-2005 04:36:47

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Re: Difference 35 - 35x in reply to Ali,fae Crieff, 11-19-2005 01:50:10

So diff lock was available as an option on the FE's? Would that include the time period during production of the Standard 23c engine?
Just trying to understand.
Thanks,
Gary

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Ali,fae Crieff

11-20-2005 01:34:17

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Re: Difference 35 - 35x in reply to GaryF, 11-19-2005 04:36:47

Gary, The book I have lists the diff lock ,Part No 892 445 M91 as for" "35" Tractor up to SN 283319, i.e. models not originally designed for Differential Lock" and Part No 892 446 M91 as for " "35" Tractor from SN 288320, i.e. models designed for but not initally equiped with Differential Lock" As SN 288320 lands in the middle of 1962 then I assume this accessory only became available when the 35x was marketed as it starts at SN 302413.I don't see any reason why it could not have been fitted to 35's with the 23c engine, incidentally in this book dated Feb 1st 1963 the early part cost �56 and the later one �38 Hope this is of some use to you. Cheers Ali.

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GaryF

11-20-2005 02:11:34

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Re: Difference 35 - 35x in reply to Ali,fae Crieff, 11-20-2005 01:34:17

Good info, thank you.
Gary

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C. T. in Oklahoma

11-18-2005 06:37:11

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Re: Difference 35 - 35x in reply to Thomas, 11-18-2005 05:26:56

The deluxe included tractormeter, dual clutch, differential lock, and cushioned seat. At least that's what I have learned over the last four years since I purchased my 35. Also, if it was manufactured in Coventry, it is a positive ground unless it has been converted. Mine is still positive ground. C. T.

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