Valtra vs Massey Vs Fendt

BRB John

Member
BASIS
Location
Aberdeenshire
It always amazes me how much fuel some people seem to use. Like what job are you doing that requires max fuel consumption? My Fendt 313 has something like 250 litre tank capacity and a max fuel usage of 25 litres and hour which would give you 10 hours of work but nothing I do gets any where near that average 4 furrow plough about 15 litres an hour-ish. It only ever peaks for very short periods so almost always gets two days work out of a tank.
 

Cowabunga

Member
Location
Ceredigion,Wales
For a hard working prime mover I’ve always worked out whether the fuel tank capacity would be an issue for me before buying. It isn’t these days, or not for more that a day or two a year, because my tractors don’t do a fraction of the hours they used to in my younger days when we did contract foraging and baling for around seven local farms as well as our own.

The way I did it was to work out the tractor’s specific fuel consumption at maximum power in grams per kilowatt hour, multiply by the kW output at the engine and multiply by 10,000 to get litres per ten hours constant work. At least that’s how I remember doing it. If the tank was within a few litres of this or bigger, then I knew that I would almost never need to stop to refuel during the longest working day on a mower or forage harvester. It served me well and avoided a lot of frustration I had with tractors during the 1970’s and 80’s before I did this. I remember having to top up the MF165, regularly the Ford 5000, sometimes twice, once at lunchtime and again between 4pm and 5pm.
The Tiger 6 once during a working day and its filler was high up behind the driver’s seat, a long way up for filling with five gallon drums in a windy field. Even ran the Same Laser 130’s 50 gallon tank dry on several occasions and neither Same were thirsty like the Ford. The problem with the Ford 5000 was that it only has a 16.5 gallon tank for 71 net horses. The Laser was 1.75 times the power at 125hp net which would, if the fuel tank was upsized in the same proportion mean that the Laser130 would only have a 29 gallon tank.

So you can see that the 5000, thirsty in specific fuel consumption terms anyway, has a ridiculously undersized tank for long hours at high output. To have the same size tank relative to horsepower as the Laser 130 the 5000 would need a 28 gallon tank rather than its puny 16.5 gallon one. Pretty sure that my math is correct there for both ways of looking at it.
 

Cowabunga

Member
Location
Ceredigion,Wales
It always amazes me how much fuel some people seem to use. Like what job are you doing that requires max fuel consumption? My Fendt 313 has something like 250 litre tank capacity and a max fuel usage of 25 litres and hour which would give you 10 hours of work but nothing I do gets any where near that average 4 furrow plough about 15 litres an hour-ish. It only ever peaks for very short periods so almost always gets two days work out of a tank.
Heavy PTO work at maximum load.
I’ve said it before that I used to change 45 gallon/205 litre barrels of diesel on 47hp MF 135 tractors daily when they were on irrigation pumps. Half an hour over the 24 hours and they would have run dry and need a thorough bleeding to restart.
Also experience a 91hp David Brown 1410 tractor on a spike rotovator 24 hours a day that consumed 80 gallons/360litres every day.

Both those tractor models are generally considered to be among the most frugal in their class then and now. I’ve had people totally disbelieve me that a 135 could possibly use 45 gallons a day when they have never used even 10 gallons during their own ‘hard’ day.

There’s boy’s work and there’s man’s work. That’s the difference.
 
Last edited:

Daniel

Member
It always amazes me how much fuel some people seem to use. Like what job are you doing that requires max fuel consumption? My Fendt 313 has something like 250 litre tank capacity and a max fuel usage of 25 litres and hour which would give you 10 hours of work but nothing I do gets any where near that average 4 furrow plough about 15 litres an hour-ish. It only ever peaks for very short periods so almost always gets two days work out of a tank.
150 litre tank (plus 30 odd litres of ad blue which lasts weeks, I suspect this robs what used to be diesel tank space), put a 4 metre power harrow on it, leave it whirring away giving the full 160hp and watch the fuel needle drop.

In reality this rarely happens and it spends most of its life cruising about on a sprayer.
 
It always amazes me how much fuel some people seem to use. Like what job are you doing that requires max fuel consumption? My Fendt 313 has something like 250 litre tank capacity and a max fuel usage of 25 litres and hour which would give you 10 hours of work but nothing I do gets any where near that average 4 furrow plough about 15 litres an hour-ish. It only ever peaks for very short periods so almost always gets two days work out of a tank.

Fendt cheats. I suspect the computer knows what maximum engine load looks like and can adjust fuelling to suit. It would be interesting to see how a Fendt alters the engine to suit the workload. Then there is the gearbox which can be altered to suit as well.
 

Martyn

Member
Location
South west
It always amazes me how much fuel some people seem to use. Like what job are you doing that requires max fuel consumption? My Fendt 313 has something like 250 litre tank capacity and a max fuel usage of 25 litres and hour which would give you 10 hours of work but nothing I do gets any where near that average 4 furrow plough about 15 litres an hour-ish. It only ever peaks for very short periods so almost always gets two days work out of a tank.
I use 25l/hours on our fendt profi 313 pulling verdi 3m drill, Travels at about 12-14km
PXL_20210524_195708780.jpg
 

BRB John

Member
BASIS
Location
Aberdeenshire
I use 25l/hours on our fendt profi 313 pulling verdi 3m drill, Travels at about 12-14kmView attachment 1011299
Uphill only surely?
I've got a amazone 3m powerharrow drill combo and on the flat it sits at like 15l/HR at 8kph. Admittedly powerharrow is only in 3 inches
I suspect because yours is trailed that's putting allot more drag on the tractor compared to a mounted drill.
But even when I'm doing that I'm still averaging like 8l/HR from all the stopping and turning.
It would need to be something like a constant job like irrigation or dryer that's where you lose all the fuel not necessarily stop start field work jobs.
 

kiwi pom

Member
Location
canterbury NZ
Iv heard of different deutz engines needin fixed in fendt tractors, in fact all the fendts local with deutz engines has needed big money spent on them but never once heard of a deutz tractor needin engines fixed. Just for reference theres alot more deutz tractors within 5 mile radius of me includin a contractor that keeps them til high hours. Why would this be? Does deutz have better cooling package?
They all break down/wear out if you do enough work with them.
Pretty much every brand is capable of doing very high hours if you're willing to work on them when things wear out or break.
I bet your mate does his share of work on them.
 

dod1e

Member
Livestock Farmer
Location
Aberdeenshire
Always amazes me how many people still judge tractor fuel economy by how long a tank of fuel lasts. I once worked for someone who didnt upgrade his JD 8300 for a new 8520T because it was too hard on diesel, needing filled up twice a day.

The 230hp 8300 had a 630 litre tank (12+ hours hard work) while the 325hp 8520 T only had around 580 litres (9 hours hard work.........If manufacturers caught on to this they could make their tractors seem frugal to many by fitting a large tank.

Not saying this is what's at play here, but need to make sure apples are compared to apples, i.e. litres of fuel used per unit work done.

Would be interested to know if the 4cyl v 6cyl versions of the same tractor compared above have the same sized tanks.......
Another important factor is the shape of the tank, not much good having a huge tank if its really wide at the bottom and narrow at the top such that you can run dry on a moderate slope, (or lose power due to the lift pump struggling) having used only half the fuel in the tank because the remaining 50% is in a shallow pool slopping about in the bottom 10% of the tank height because the tank is wide at the bottom.

Unfortunately the nature of the spaces available for fuel tanks on tractors often results in this issue.
 

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