Massey Ferguson 595 lift hydraulic pump

[jd6820]

Hi there,

I've recently brought a customers MF595 into the workshop they were complaining of poor lift from the linkage, I have split the tractor behind the spacer plate, and diagnosed several faults, firstly the piston rings in the lift cylinder were well worn, then I found that the system must have been full of filings at some point due to the replaced Multi/Aux pump, and well worn lift hydraulic pump, bores badly scored, one of the internal piston rings had collapsed but not split, also the camshaft and brass bushes were well worn.

Now I've given the basic background to the job, I'm struggling to source parts for this pump as it appears to be different to all the other pumps in this range I have attached a picture for you to identify if this is the correct and original pump, I was hoping to find a place where I can purchase a re-conditioned pump or at least the correct seal kit and piston parts. The after market supplier I currently use is struggling to identify the correct components. So is genuine the only route???



Click to enlarge ^^^

Thanks in advance, jd6820

 

[MF-ANDY]

Yes 595 was an oddball and I doubt if non genuine parts are available. You may even struggle sourcing genuine

 

[Tractortech]

Now Then..
As I recall yr actual MF595 was a French thing, built in France,,,,,, nuff said, eh....

 

[Cowabunga]

If it has a 21 spline drive shaft it is probably a Mk3 pump.

All this is going to cost an arm and a leg. Is it that cherished that it is worth spending on the heap?

Note… you might have observed that I have no patience with this abortion of a heap masquerading as a 'tractor'. I certainly would scrap the thing and have a party with the repair money thus saved.

 

[MF-ANDY]

As I have said before the 595 had a different pump to other models with a pressure control valve more akin to a mk2 type. However you may be able to rebuild it as some parts are common to the more mainstream models

 

[wdah/him]

As I have said before the 595 had a different pump to other models with a pressure control valve more akin to a mk2 type. However you may be able to rebuild it as some parts are common to the more mainstream models

how lose to a 298 is a 595?

man working here has one and i like it, this sheds a different light on it now though

not meaning to derail the topic

 

[MF-ANDY]

not very. 298 had the better 318.2 engine and the hydraulics were mk3 type and common to most mf tractors of that era.

 

[Mursal]

Quality Tractor Parts click

Hoey Plant Bought a lot of old stock MF parts click

E-Bay click

Very hard to get thing right in there, some keep breaking the steel PTO pressure pipe among other things. So have a wee look at the anchor pegs on the main pump, before you put everything back. If he/she is a good customer this will definitely test the relationship, so be careful. They hadn't much going for them, but you have to keep going now its stripped ...........

 

[jd6820]

Parts now sorted rebuilding using various bits from the different kits available. Now I know why the other local mechanics wouldn't touch it! Haha I'll check the pegs. Was going to strip pto pack but as it is working and parts hard to get ill leave well alone.

Great advice the help is much appreciated.

 

[Cowabunga]

Check the outer surface of the clutch pack, where the brake engages. The nasty little brake pad acts directly on the drum and can wear both components to such an extent that it spreads filings through the system. How smoothly did it engage? The Mk1 certainly had big issues with very sharp engagement, to such an extent that it would shear either the splines off the internal pack or the rivets holding the drive boss for the clutch shaft on the main drive clutch itself, and or the splines on the shaft. This driveline might have been modified in service by now of course.

If it all works, best to leave everything well alone. It wasn't unknown to have these bitches stripped down in the workshop every three or four hundred hours for a continuous stream of breakdowns, so if you do a good job you might have a regular visitor to your workshop.

Mine was split three times for known issues in the first 1000 hours, twice out of warranty and not counting the non-splitting failures, and continued to have a long list of further breakdowns after I sold it. Even before the dealer resold it, when it was out on demo, the auxiliary pump failed, so it was split a fourth time in 1200 hours. I know that the next owner had main gearbox problems and several head gasket failures, problems that I never had, plus steering issues over the next three or four years that he kept it. Lost track of it around 1982 but I doubt it ever worked reliably, ever.


Have to say that my modern MF tractors have been superb thus far. The 5445 D4 in particular has had only one minor fault since new, five years ago/2500 hours, and is a joy to drive.
I would NOT have bought either unless I was convinced that things had long changed.

 

[Tractortech]

Aaaargh,,,,, a Same!! Similar reliability to the not so great 595.. A friend of mine has a Silver 130... Excessively sharp clutch, engine bearings replaced, damper unit in transmission replaced & now only an 18 speed 30k thing as no splitters working,,, all before 2000 hours. Ohh, yes, 4 front PTO rebuilds, & engine temp in the red when it used to chop, despite daily washing of the rad.. Other than that, not a bad tractor,,,, pah!!

 

[Cowabunga]

I had two Same tractors in the 1980's, the Tiger6 and the later Laser130. Both of these were tolerably, though not notably reliable, but certainly in a different league to the 595.
The Tiger had a faulty adjustment of the linkage control, a failed PTO clutch and burst hydraulic pipe, plus a seal in a steering ram in five years, none of which required splitting. The PTO clutch was replaced in the field by a single Riverlea mechanic with help from a tractor and loader to lift the hydraulic housing out of the way.
The Laser was a heavy duty beast and only had glazed bores from using oil too good for it, and a couple or three broken connecting rods from the clutch pedal to the master cylinder piston. It nearly wore out my knee due to the weight of the clutch though and it didn't take much to convince me to change it for the Titan with powershift.


Silver 130 are generally reliable but the previous Antares was not, or not as reliable. There are plenty about with high hours that have been very good, but synchro problems do surface above 5000 hours even if driven sensibly. Some can have the three-speed powershift play up as hours rise, sometimes catastrophically if a solenoid sticks and two ratios engage at once. I never liked the quality of their gear change and didn't buy one because it was like stirring porridge and they looked very lightly built in comparison to the Laser. The engines are generally reliable, especially the air cooled ones, but are not the most long lived of units. The Antares and Silver front PTO is rated for only 80 hp iirc, while the 130 models were often opened up to 150 at the shaft. They tend to increase in power naturally as they age, due to the spring in the governor weakening. It is very easy to adjust the power. Too easy for some farmers who open them up excessively.





My intercooler air-cooled Titan has near 7000 hours on it now and goes like a watch so far but did have a single piston failure due to a broken spray pipe some years ago. None of these machines are perfect. Some are far better than other though. It was worked extremely hard at full throttle/full power for most of its hours over the first 5000. I remember it did have a couple of front crank dampers fail in the first 3000 hours which threw fan belts off.

When its dry stuff and windy, the MF7490 needs the grill cleaned two or three times a day and the rad blown at least once while chopping. I remember the JD6200 buckraking on one contracted farm where the rad needed blowing out four times a day or more. Luckily those conditions only lasted three days.

Nothing really serious has gone wrong with the MF7490 so far, although there have been a few niggles and minor stoppages. The fan cowling being notable, twice. An early fan belt. A couple of track rod ends fractured.A Fendt transmission sensor replaced. And still unresolved, a leak from both side rear reduction gears into the main transmission, for which there is a modification. The 5445 has only had one minor electrical issue since new. This is the most reliable tractor at this stage in its life that I have ever run, bar none. Just remembered the other notable failure it has had which was a female QR coupling this last Spring.

 

[mtx.jag]

Was the 595 mk2 any better?

 

[Cowabunga]

Was the 595 mk2 any better?

Yes, but by not a lot. It had a better engine, but still not great, compounded by MF offering an official turbo kit for marketing reasons, probably to have something to compete with the Ford 7600 and JD 3130
The MkII had a lot of modifications to the transmission, including wider gears apparently. It also introduced the cast front 4wd axle and the 8 speed part-synchro optional gearbox, which itself was not great.
It is a great pity that the 595 was not a better tractor because its basic concept was such a massive step forward as far as the driver environment and potential productivity was concerned. The 500 range resulted in a massive loss of trust in MF by their customers and a decline from being the UK number one brand. While the excellent 200 and 300 series were a vast improvement, it opened the door to more 'foreign' competition and saw JD in particular rise to prominence.
While MF tractors continued to improve from that point, and competed better on reliability, specification and particularly on resale value, the genie had got out of the bottle and JD rose to prominence while others, like Same, Fiat, Case and others continued to bottom-feed where apart from Case they had not had a foothold in the Seventies.
Ford didn't help by having shite engines and introducing the column change to much ridicule. It still had only eight gears but had the DP option.
Everyone wanted to try a Deere as a result of being disappointed with the products mentioned and their phylosophy of the time. Unfortunately this management led to Ford selling out to Fiat and MF from employing over 20,000 UK staff in six factories, to today's position where they will soon be down to 400 office staff of which 90 or less deal with all UK matters including sales, service, parts and so on. They still have considerable manufacturing capacity abroad of course and have arguably the best products that they have ever had in every category in which they compete. They are even entering new markets with some AGCO brands, such as the SPFH sector. Also the new world tractor that is the new 300 series equivalent will soon swarm and hopefully make their mark by going back to basics with a competitive price and superior product to the competition.


Overall MF products are ones that the company and their owners can be justifiably proud of. Owners of nice 3000 series tractors in particular have a game-changing classic on their hands which marked the start of an industry revolution almost as profound as the Ferguson System itself with its automated control system with integration of transmission, hydraulic linkage, PTO and 4WD management. All introduced in 1986 and still unmatched by many other brands.

 

[mtx.jag]

Yes, but by not a lot. It had a better engine, but still not great, compounded by MF offering an official turbo kit for marketing reasons, probably to have something to compete with the Ford 7600 and JD 3130
The MkII had a lot of modifications to the transmission, including wider gears apparently. It also introduced the cast front 4wd axle and the 8 speed part-synchro optional gearbox, which itself was not great.
It is a great pity that the 595 was not a better tractor because its basic concept was such a massive step forward as far as the driver environment and potential productivity was concerned. The 500 range resulted in a massive loss of trust in MF by their customers and a decline from being the UK number one brand. While the excellent 200 and 300 series were a vast improvement, it opened the door to more 'foreign' competition and saw JD in particular rise to prominence.
While MF tractors continued to improve from that point, and competed better on reliability, specification and particularly on resale value, the genie had got out of the bottle and JD rose to prominence while others, like Same, Fiat, Case and others continued to bottom-feed where apart from Case they had not had a foothold in the Seventies.
Ford didn't help by having shite engines and introducing the column change to much ridicule. It still had only eight gears but had the DP option.
Everyone wanted to try a Deere as a result of being disappointed with the products mentioned and their phylosophy of the time. Unfortunately this management led to Ford selling out to Fiat and MF from employing over 20,000 UK staff in six factories, to today's position where they will soon be down to 400 office staff of which 90 deal with all UK matters. They still have considerable manufacturing capacity abroad of course and have arguably the best products that they have ever had in every category in which they compete. They are even entering new markets with some AGAlsorands, such as the SPFH sector. Also the new world tractor that is the new 300 series equivalent will soon swarm and hopefully make their mark by going back to basics with a competitive price and superior product to the competition.
Overall MF products are ones that the company and their owners can be justifiably proud of. Owners of nice 3000 series tractors in particular have a game-changing classic on their hands which marked the start of a revolution almost as profound as the Ferguson System itself.

Thank you!! Great shame,595 was the first 'big' tractor i drove and spent alot of time on pulling a double chop,was looking for one now as a yard/spare tractor,but think ive changed my mind!!.. merry xmas @Cowabunga and thank you for all your technical info!!

 

[Cowabunga]

Thank you!! Great shame,595 was the first 'big' tractor i drove and spent alot of time on pulling a double chop,was looking for one now as a yard/spare tractor,but think ive changed my mind!!.. merry xmas @Cowabunga and thank you for all your technical info!!

Don't be put off getting one as a show tractor but forget it for any serious work. Anyhow, these are ancient history, now being 40 years of age. Give them a break! Retire them and polish them up and lavish attention on them to preserve them for future generations. They are legends.

 

[multi power]

Thank you!! Great shame,595 was the first 'big' tractor i drove and spent alot of time on pulling a double chop,was looking for one now as a yard/spare tractor,but think ive changed my mind!!.. merry xmas @Cowabunga and thank you for all your technical info!!

you would be far far better with a 290 or 390

 

[mtx.jag]

you would be far far better with a 290 or 390

Im sure they would,they just dont mean anything to me..i will prob end up with a 5120 or 5130 for the yard..been the best tractors we ever had in the past..

 

[mtx.jag]

Don't be put off getting one as a show tractor but forget it for any serious work. Anyhow, these are ancient history, now being 40 years of age. Give them a break! Retire them and polish them up and lavish attention on them to preserve them for future generations. They are legends.

Very true!!

 

[jd6820]

Hi just a quick update all back together and running it appears the pto seal needs replacing anyone any ideas as to how the seal retaining collar comes out as the shaft it sits round is bigger than the collar! Surely it's not a split job to do???