Diesel Particles burn off systems causing the odd tractor fire?

Ali_Maxxum

Member
Location
Chepstow, Wales
Unfortunately I can vouch for this. Collection of hay built up at the bottom of the exhaust on what I would call the 'u-bend' behind all the covers.

Was mowing away and it was 'doing a burn' till I noticed a very small amount of smoke, upon investigation with fire extinguisher in hand, a small amount of hay sat at the bottom had started smouldering and was glowing red on the tips. Let it cool and stuck a glove and sunnies on and picked it all out. Am always very particular with blowing kit down as we do a lot of front flail work.

Spoke to a friend that runs a fleet of New Hollands and he sent me a piece out of the operators manual that shows how to carry out routine maintenance(!) cleaning around the exhaust/SCR area to avoid this from happening..... Progress for you....
 

ARW

Member
Location
Yorkshire
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Bobthebuilder

Member
Mixed Farmer
Location
northumberland
Official report said it was a burst oil pipe on front linkage, but on a couple of other photos the front topper is still up when it is well ablaze, to me the fire caused the oil pipe to burst, fire started around battery box/exhaust area, totally engulfed cab within 10mins
 
Official report said it was a burst oil pipe on front linkage, but on a couple of other photos the front topper is still up when it is well ablaze, to me the fire caused the oil pipe to burst, fire started around battery box/exhaust area, totally engulfed cab within 10mins
As far as I'm aware the two models posted above dont have dpf's so you can't blame that for causing the fires. New Holland only used dpf,'s on some of the smaller models hence my earlier question as to model numbers of ones which have went on fire
 
we have had an issue with fire starting when chaf dry grass gets behind the exhaust cover around the ad blue system the exhaust gets very hot and the dry grass starts smouldering
you notice a burning smell a bucket of water then puts it out

when using the front topper it is important to keep this area chaf /grass free
 

Pilatus

Member
Location
cotswolds
The newer stage V CNH tractors have a particle filter in the exhaust now that requires burn out
Is that the system where more diesel is used to burn off the particles, or something similar.
As the driver of the tractor mentioned the above to me, and that’s perhaps where the problem lies. If too much extra diesel injected a fire can start in a flash.
But please correct what I have said if complete rubbish!!!!!
 
Is that the system where more diesel is used to burn off the particles, or something similar.
As the driver of the tractor mentioned the above to me, and that’s perhaps where the problem lies. If too much extra diesel injected a fire can start in a flash.
But please correct what I have said if complete rubbish!!!!!
Absolutely correct. The system should only need to regen maybe 3 or 4 times between engine services and not for overly long. The dealer should also carry out a forced regen before every engine oil change to ensure working regens are kept to a minimum. Engine oil life is effected due to the diesel for the regen being injected at the bottom of the exhaust stroke
 
Absolutely correct. The system should only need to regen maybe 3 or 4 times between engine services and not for overly long. The dealer should also carry out a forced regen before every engine oil change to ensure working regens are kept to a minimum. Engine oil life is effected due to the diesel for the regen being injected at the bottom of the exhaust stroke
Is this on all their stage v tractors?
 

kiwi pom

Member
Location
canterbury NZ
A lot of these fires could be avoided if more care was taking blowing machines down regularly. A good compressor and a couple of different sized wands that can get into all the hard to reach spots, under the cab, round the back end and of course the engine. Unfortunately a lot of people seem to reach for the pressure washer instead, which often washes all the chaff and grass into harder to reach spots where they dry out and get hot, the tractor/machine looks clean but its really not.
Birds nests have been a source of many a burnout around here, it doesn't take much, especially if you are operating in high temperatures
 

Cowabunga

Member
Location
Ceredigion,Wales
Bird breeding season is about to get away in the UK and there are always birds that will build nests under the bonnet of tractors. These have traditionally been the cause of many fires, the first of which I witnessed in a DB1490 many years ago. Twice over the years I have found nests on top of the inlet manifold, just in front of the silencer on my 8360 NH that is used daily and parked at this time of the year in the silage pit.
 

Bobthebuilder

Member
Mixed Farmer
Location
northumberland
A lot of these fires could be avoided if more care was taking blowing machines down regularly. A good compressor and a couple of different sized wands that can get into all the hard to reach spots, under the cab, round the back end and of course the engine. Unfortunately a lot of people seem to reach for the pressure washer instead, which often washes all the chaff and grass into harder to reach spots where they dry out and get hot, the tractor/machine looks clean but its really not.
Birds nests have been a source of many a burnout around here, it doesn't take much, especially if you are operating in high temperatures
Ours was blown down that morning 🙄
 

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