Valtra t174 lack of power

quattro

Member
Location
scotland
My mate bought a used one earlier in the year but is disappointed with the power compared with the older ones hence asking the question,he would like to hear from an someone that has actually had one chipped rather than the mapping man
Plenty of 194 taken to 234s before 254 came out + add blue deleted
 

DrDunc

Member
Livestock Farmer
Location
Dunsyre
Well I've just bought one and I've no problem paying for it , I might buy another next year .

That's the wrong answer James, we're all supposed to be struggling.
Did you not get the Memo?

But does anybody believe anything James posts?

"I was talking to the head of agco secret politics the other evening at the Paris hallucinogenic machinery show, and he told me" etc etc etc etc :banghead:
 

Finn farmer

Member
Of course it's possible, if it's written into the software. If it's correct or not, you'll just have to wait and see......
Breaking in has that kind of an effect. Our Deere was very underpowered for the first 500h and then opened up, gaining 15hp on dyno. When the pistons and cylinders find their shape and the friction is "optimal". That's why you need to run new tractors on a wide rpm range, so the engine gets used to work on a wider rpm range.

It's important in cars and motorcycles too, the one thing it's not important in is a lawnmower that works on almost full rpm's all the time. :D
 

boyo

Member
Location
pembrokeshire

Farma Parma

Member
Arable Farmer
Location
Northumberlandia
this might have no relation to the OP but iam presuming its a similar engine in this Valtra to my 6480?
6cyl 6.6lt or is it the 4pot?
either way could be the power boost not playing ball if it has such a thing?
mine was doing this & altho dealer says all is fine, its previously had a boost sensor replaced & then dyno'd all as it should be.
it was still under powered mainly at PTO revs on 1000 shaft. job IE Power Harrowing.
Added in a ChipBox job sorted.
The Boost shuts off when you drive tractor in 2nd gear for PH work.
Boost is on when your still & dyno on it.
Not with a chipbox installed it overrides the poxy thing & its a different tractor now.
No i'll effects been running it for 500hrs & you wouldnt know it was there.
tractor might only be 10-15hp more but it makes all the difference.
If this didnt work id remap it but to no more than 175hp
I want it to run for 10000hrs plus with no issues
Its currently at 4377hr & go's very well.
 

Finn farmer

Member
this might have no relation to the OP but iam presuming its a similar engine in this Valtra to my 6480?
6cyl 6.6lt or is it the 4pot?
either way could be the power boost not playing ball if it has such a thing?
mine was doing this & altho dealer says all is fine, its previously had a boost sensor replaced & then dyno'd all as it should be.
it was still under powered mainly at PTO revs on 1000 shaft. job IE Power Harrowing.
Added in a ChipBox job sorted.
The Boost shuts off when you drive tractor in 2nd gear for PH work.
Boost is on when your still & dyno on it.
Not with a chipbox installed it overrides the poxy thing & its a different tractor now.
No i'll effects been running it for 500hrs & you wouldnt know it was there.
tractor might only be 10-15hp more but it makes all the difference.
If this didnt work id remap it but to no more than 175hp
I want it to run for 10000hrs plus with no issues
Its currently at 4377hr & go's very well.
T174 is the first on the range with the 7.4l Sisu. As said, they can handle power very well, i'd personally give it 500-1000h to break the engine in properly before making any assumptions or calls on adding power.
 

james ds

Member
Location
leinster
just wondering i know a lot of farmers that have had there lands bought for major roads and ended up getting one hundred thousand an acre and was wondering were you one of the lucky people
It was 14 yrs ago , the few pound I got is well gone , I never heard of any 100 k / acre jobs around here . Current market price at the time at agriculture use value .
 

Toby_1

Member
Location
Finland
Isn't the 174e model supposed to be the low reving economy version?

Yes it is! 10 points to John.

The T174e is one of the EcoPower models. Basically it is two tractors in one.

There are two modes. The first is just like a normal tractor. The second "ECO" mode is designed for heavy lugging work at lower rpm. It saves a chunk of fuel. There is a button on the right hand side panel, which the operator can use to switch between the two modes.

When the ECO button is pressed, the engine software switches to a different curve. Two things happen:

1. The ECO curve limits the max rpm.
2. You get about another 100 Nm of torque. The max torque in ECO mode is actually higher than in a T194, and this higher torque is available at lower rpm, in the range 1000-1200rpm. (remember the bit about fuel savings?).

The basic concept is that you drive in ECO mode at lower rpm and get a massive increase in torque. Customers who know and understand the concept love these tractors and they are some of the best selling models.

As with every silver lining, there is a cloud to go with it. :)

If an operator has not been told the above information and shown the ECO button, they might end up demoing the tractor in ECO mode. In ECO mode the max rpm will be limited. I think when most of us demo a tractor, we like to give it a bit of pedal, looking for power at higher rpm and torque at the rpm we are used to. If we feel a limitation there, then it's easy to make the assumption that the machine is lacking power.
Of course that's not the customer's fault, it's up to the dealer salesperson to explain how the tractor works.

Hope this helps.
 

Greg O'Connor

Member
Mixed Farmer
Can some one who knows Valtra please advise. I have a T154 2020 model with DPF and add blue. Dash light and alarm come on indicating manual burn required. Because the last manual burn was done less than 250 hrs ago it will not let me do a burn. If i restart the tractor the light goes out and the alarm stops. This has happened twice in last 50-100 hrs. I am concerned that if i continue i will block the DPF.
 

DrDunc

Member
Livestock Farmer
Location
Dunsyre
Can some one who knows Valtra please advise. I have a T154 2020 model with DPF and add blue. Dash light and alarm come on indicating manual burn required. Because the last manual burn was done less than 250 hrs ago it will not let me do a burn. If i restart the tractor the light goes out and the alarm stops. This has happened twice in last 50-100 hrs. I am concerned that if i continue i will block the DPF.
It could be a simple as soot on a sensor, or as expensive as a buggered injector that's over fuelling (very unlikely)

To diagnose properly it needs a dealer laptop with mechanic who understands what the numbers mean on the screen

Happened frequently to my 2017 N134 during winter loader works feeding livestock. Hasn't been an issue since the emission stuff was deleted by a different man with a laptop
 

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