Trailed vs Self Propelled Sprayer

Colin

Member
Location
Perthshire
Ouch. I wouldn't want to be the sprayer driver crossing the beds! Would those be the fields sprayed by contractors? :whistle: Can you pull down the beds in the headland wheelings to give a better ride?

After I had posted that I did wonder about long trailed harvesters having problems in curving headlands but to me folding up at each end seems daft. For blight spraying that must seem crazy when you're back in the field every 5-7 days. I see the diliemma for irrigation.
They bought a new Bateman to do it. Up here a lot of people buy scorgie booms which are basically made in a smiddy from box section, you can get them so you lock the levelling off and can then spray with one side.
There's even one guy who runs saddle tanks for spraying, they are very stable and essentially give you a self propelled made from a tractor but a bit old school. Upside is its all very simple.
For the headlands I think going back to 30m might be the best long term as you need about 15m for the sp potato harvester, so that plus your 2 next to the hedge gives enough room. The idea behind the 36 was to have less tracks in the root crops, you also gain a small amount in cereals but running wide tyres negates a lot of that advantage I think. If we aren't irrigating or using rain guns we plant the headlands so it's not the whole area, on the carrots we leave an 18m headland for stacking straw and turning the straw spreader anyway so it's not too bad.
As I speak, here comes a contractors agrifac to spray the daffodils, hear it before you see it!
As an aside we are going to be sowing beet soon, the seeder doesn't have tramlining, would running at 90degrees across the drills be ok, we are sowing at 18" and our row crops are 16.9".
 

Wheatonrotty

Member
Mixed Farmer
Location
MK43
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Well I'm sticking with trailed. New (to me) toy arrived today.
 
Looks like you need some taller wheels on the back of the tractor.

That's generally the problem with trailed machines ........ Tyres as you can very easily end up buying 2 sets for the tractor and a set for the sprayer because the sprayer generally comes on narrows and your tractor tyres as standard generally are not flotation or narrow.

This adds £20k £25k to any trailed setup when you price these wheels up. It's easier to go used SP and just put it on 600's and never swap them.
 

Wheatonrotty

Member
Mixed Farmer
Location
MK43
Looks like you need some taller wheels on the back of the tractor.
Everyone's a critic! It's not helped by the drain that is under the back of the tractor and the yard sloping to it.
That's generally the problem with trailed machines ........ Tyres as you can very easily end up buying 2 sets for the tractor and a set for the sprayer because the sprayer generally comes on narrows and your tractor tyres as standard generally are not flotation or narrow.

This adds £20k £25k to any trailed setup when you price these wheels up. It's easier to go used SP and just put it on 600's and never swap them.
Not quite sure why I need 3 sets for a tractor but only 1 on a sp. They are 600s on the tractor and will run at about 10 psi with the sprayer, and I have a set of rowcrops that I paid 1250 for. I paid a couple of thousand for new rowcrops on the sprayer. Struggling to get that to 20k, and if you're happy running on 600s year round I needn't have spent any on extra wheels.
 

Wheatonrotty

Member
Mixed Farmer
Location
MK43
36m and 4200lts. Lucky find as it's a 2013 one that hasn't done too much but is well specced with twin lines, boom height sensors and auto section. Big saving over new but not as knackered as a lot of older used ones.
 
It cost us £10k for a second set of wheels and tyres for tractor and sprayer, and they are top of the range. Not sure how you would get to £20k

To elaborate the tractor I priced up for wheels had 20.8's on neither here or there spraying wise.

So I priced a set of 710 rears and 600 fronts as well as 710 for the sprayer as it was on narrows as a 'nearly new' buy.

So I then had to spec a set of narrows for the tractor as well. All in 10 wheels with tyres (new prices) were £22k from two suppliers.
 
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B R C

Member
Arable Farmer
That was for your particular tractor, not any trailed set up as you stated, a fair comparison would be to spec tractor and sprayer with 600's all round. Admittedly easier to do if buying new. In our particular case, having just ordered trailed is two sets for sprayer, already have a tractor on 710/600 and a set of 380's
 

Bobthebuilder

Member
Mixed Farmer
Location
northumberland
Not sure of the size off the top of my head but the wide wheels we have for our knight trailed sprayer are claas combine wheels from John manners, claas same hub size as knight, tractor had 650s on anyway so baught a set of 50" row crops for the puma got a bit of extra clearance with the 50" also
ImageUploadedByThe Farming Forum1458076931.432435.jpg

ImageUploadedByThe Farming Forum1458077031.748514.jpg

ImageUploadedByThe Farming Forum1458077136.932054.jpg
 

spikeislander

Member
Location
bedfordshire
36m and 4200lts. Lucky find as it's a 2013 one that hasn't done too much but is well specced with twin lines, boom height sensors and auto section. Big saving over new but not as knackered as a lot of older used ones.
looks a good one! look forward to seeing you going over the hedge! I wont be able to keep up now!
good luck with it I am sure you will be happy with it and your step up.
 

Wheatonrotty

Member
Mixed Farmer
Location
MK43
Have been playing with some water with it stationary on some grass, I've got some glyphosate to put on where some of the barley is going so I think I'll just go for it.
 

Robigus

Member
Everyone's a critic! It's not helped by the drain that is under the back of the tractor and the yard sloping to it.

Not quite sure why I need 3 sets for a tractor but only 1 on a sp. They are 600s on the tractor and will run at about 10 psi with the sprayer, and I have a set of rowcrops that I paid 1250 for. I paid a couple of thousand for new rowcrops on the sprayer. Struggling to get that to 20k, and if you're happy running on 600s year round I needn't have spent any on extra wheels.
We got a near new 36 and just keep the 650s on all year. Too easy for some.
 

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