4cyl vs 6cyl

Ali_Maxxum

Member
Location
Chepstow, Wales
We went to a Case demo day and even the Case chaps said themselves if you already have 4 pots no doubt you'll want to stick with it so just go for a 145 as there's only something like 70nm difference in torque between the 145 and the 150. They only make one 6 pot now for the die hard 6 pot fans.

The whole Maxxum range has the same wheel base now thanks to a spacer between the engine and transmission, which allows them to share the same, bigger fuel tank capacity. Obviously this has come with an increased wheelbase, which for us (demo we had), we found it was very welcome, much better balance, grip and comfort. It's just much more of a man about the job.

Engine technology has come on so much now I think 4 pots are every bit as capable as 6's in some cases, even if you do have to drive them on a bit....

Our 130CVX has been an absolutely awesome tractor for it's size and power.
 
We have a T6.175 which is a 6 cylinder so obviously the older range sits on the feeder wagon all winter and runs between farms, going uphill it’s got plenty of poke, there’s a 4 cylinder at the neighbours of the case variety which sometimes follows ours down the road and there’s is 50k and the 6 cylinder leaves it behind on the hills
 
We have a T6.175 which is a 6 cylinder so obviously the older range sits on the feeder wagon all winter and runs between farms, going uphill it’s got plenty of poke, there’s a 4 cylinder at the neighbours of the case variety which sometimes follows ours down the road and there’s is 50k and the 6 cylinder leaves it behind on the hills
Absolutely correct!
 

spitfire

Member
Location
wales
A friend of mine has an old style Case Maxxum 115 6 pot pre common rail and a new style 4 pot 115. The 4 pot 115 absolutely annihilates the old 6 pot on pulling power. I’ve driven quite a bit of both tractors and the 4 pot 115 is a very capable tractor which punches well above its weight. Pulls a 2300 gallon tanker a medium size Shellbourne Reynolds muck spreader and Mchale round baler and a Fusion when required. The likelihood is that the dealer has uploaded the engine management software of a model further up the range. Before anyone says anything no I can’t prove it but it’s got some serious oomph in it for what it says on the bonnet.
If its a west wales case they all get turned up
 

DrDunc

Member
Livestock Farmer
Location
Dunsyre
Stick them on a Dyno

The modern 4 pot will put out basically the same torque as an equivalent 6

The 4 pot will peak around 1500 rpm and fall away, preferably gracefully like a small volume Deutz engine (unless it's a Deere, when the revs drop they fall off a cliff faster than an old fiat 110.90😱)

Then look at an old school 6 pot like a blue ford TM. The torque keeps increasing past 1200 rpm, then the Dyno says bugger off, this hurts

Modern gearboxes allow the modern 4 pot to provide the lugging power required by keeping the engine revving where it produces power

Go back to a crash change full declutch gearbox when you're still climbing the hill pulling 20 tonne, and that's when you learn about 6 pot torque 😘
 
Engine management to keep emissions down is the reason there's little difference between equivalent hp 4 and 6 pots these days. If you get rid of all the restrictions on an engine (emissions control) you're 6 pot will beat the 4 for guts every day of the week but those days are gone. Tbh it's probably easier to get a 4 pot at the upper limit of its output to meet emissions than an underworked 6 pot.
 

daveydiesel1

Member
Livestock Farmer
Location
Co antrim
Engine management to keep emissions down is the reason there's little difference between equivalent hp 4 and 6 pots these days. If you get rid of all the restrictions on an engine (emissions control) you're 6 pot will beat the 4 for guts every day of the week but those days are gone. Tbh it's probably easier to get a 4 pot at the upper limit of its output to meet emissions than an underworked 6 pot.
U can stil get rid of the emissions stuf if u know who to ask
 

Daniel

Member
We went to a Case demo day and even the Case chaps said themselves if you already have 4 pots no doubt you'll want to stick with it so just go for a 145 as there's only something like 70nm difference in torque between the 145 and the 150. They only make one 6 pot now for the die hard 6 pot fans.

The whole Maxxum range has the same wheel base now thanks to a spacer between the engine and transmission, which allows them to share the same, bigger fuel tank capacity. Obviously this has come with an increased wheelbase, which for us (demo we had), we found it was very welcome, much better balance, grip and comfort. It's just much more of a man about the job.

Engine technology has come on so much now I think 4 pots are every bit as capable as 6's in some cases, even if you do have to drive them on a bit....

Our 130CVX has been an absolutely awesome tractor for it's size and power.

Apart from when you sit ours on the feed mill, flipping thing won't power boost without the wheels turning.

I think i'm going to get the man with the magic laptop to get it to boost all the time.
 

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