When to use four wheel drive?

/ When to use four wheel drive? #181  
I drive several electronically shifted ag tractors with wet multi-disc clutches that engage the front axle;
they will bind and scuff in a tight turn, even with well matched up tires with just a small amount of lead in the fronts.
 
/ When to use four wheel drive? #182  
I was hoping this discussion could be used to educate owners/operators that might not understand the mechanics of simple linkage engaged 4wd/FWA. It has not. Sorry for the distraction.

Axlehub's Massey is simple linkage engaged 4wd/FWA. It binds and scuffs at certain positions when it's engaged. All tractors regardless of size with this system do. Not condemning them. It's just a simple truth.

The cleanest operating system is true 4wd. They are Center Pivot. No disengagement required. No binding/scuffing. Ever.
Richard, I appreciated the technical discussion and I am sure others have as well so...


I believe I stated earlier here, the answer to the OP really depends on the specific use/situation. Experience taught me quickly how I should employ, since I live on a steep slope with a subcompact with FEL and BH but also have tight spaces and asphalt driveway to negotiate. I'm sure many have learned here and hopefully the thread saved someone from getting hurt.
 
/ When to use four wheel drive? #183  
I only engage 4WD after I get stuck. Then I leave the tractor in 2WD and put my truck in 4 low while I try to extricate it from wherever it is I've managed to get it stuck this time. ;)

Thus my quest for a 4WD tractor...
 
/ When to use four wheel drive? #184  
Greggyy,

I think your question misses a key 3rd choice -

3. that part of tbn members - perceive a far different user mix than TBN has.

10 years ago there were far fewer scut owners on TBN - and today there are significantly more. But its not just the tractor size that makes the difference - but the reason they have the size they do. Scut owners are far more likely to have small acreage and use their units far differently than the more hobby or mid sized farm needs of prior TBN posters. That difference in land location and type is substantially varied from traditional hobby farm land. While I have a total of about 4 acres contiguous - I don't have more than 150 feet I can go on relatively flat land - everything else is slopes and sidehills and most are steep pitches. I have another 1 acre of lawn 2 miles away that is flat - but I certainly don't transport my scut there each week as it isn't worth the effort - and that is just lawn that gets cut with an aging lawn tractor.

So during normal seasons - my scut is either mowing or digging or log moving or hauling items on primarily hills where 4wd is absolutely needed. And in winter I'm plowing or snow removing on a large long steep concrete driveway and sidewalks - again in 4wd.

But I think there are a quantity of tbn posters who can't imagine that there are very many like me - and they still think in terms of 15 to 60 acres of land with much of it flat or near flat and a tractor in the mid to large compact sizing ranges.

As another example - my scut is certainly not awd - however I'm in 4wd (front wheel assist if you require the phrase) - but neither I or anyone else could tell on lawn or dirt or gravel - that my steering is altered in any way from 2wd. Only on dry concrete or dry blacktop can you "sense" a different sound in 4wd to 2wd - and in no way does it alter the turning ease and turning circle. Maybe larger compact tractors and older equipment is stiffer steering in 4wd compared to 2wd - but I've never ridden on any that are even though I know my neighbor's jd x728 lawn tractor is stiffer in 4wd.

My point greggyy, is that I think older or larger tractor owners assume alot about smaller tractor owners and believe those small unit owners have less awareness in their opinions - or maybe less skill in their decisions. My point is I think it is just the opposite too often - that larger tractor owners or land owners maybe don't recognize how much things have changed in tractor ownership in the last 6 to 8 years. If I had 30 acres and a Massey 1700 series unit instead of 4 acres and a Massey GC1715 - I'd have more flat land and easy rolling land to use 2wd for. I might have a lot of tilling to do or pasture land maintenance or rebuilding. The number of scut tractors and small frame compact tractors (like Kubota's B series etc.) are outselling percentage wise each year these last 6 or so years especially - and its because of their land locations and land sizes and because they are often in areas once were rolling farm land that now is subdivided for homes with 1 to several acres with far less flat land percentages and more hills and challenging landscapes and woods issues.

I live very close to many farms who would rarely need 4wd - but I live in areas right next to me that ALL need 4wd.

JMHO


I have a small block & I wont call it hilly, I would say in some parts, if you put a vehicle there, any type, it is going to become a major retrieval operation with cranes etc, even if you had 10WD :)

I find that I am in 4WD more often than I like, cause the lever is near my foot and I tend to engage it accidentally, I keep it off if I can, my pasture is very low atm and 4WD rips it when turning far more than I like, I basically do not need it for most chores. Actually more weight will be the probable answer when 1WD actually loses traction, cause I do do other things if it was that wet and muddy :)

Now there may be people using very light tractors with the wrong type of tyres etc, or maybe using them for something where they need 4WD all the time, but the posts I refer too, sort of sound like some do things just because they think it is better, or safe, or whatever...but seemingly not knowing why you may have it off, or on, it is something I guess you can sense, in any vehicle. Locking 4WD is not going to need to be on 100% of the time.

Of course, however, I do not know everything & I have no drama if people want to use 4WD all day every day, needed or not, knowing the diff or not, etc

So I use it when needed only, and I try and default to just Rear WD if my foot will comply and not sneak it into 4WD :)
 
/ When to use four wheel drive? #185  
Can’t think of one good reason except hard ground pavement not leave it in 4WD. You payed for it use it, can’t wear it out...
 
/ When to use four wheel drive? #186  
The difference between being safe rather than sorry is not always well defined...

descending a grade that does not normally require 4WD can turn into disaster faster than an operator can react...all it takes is running across a section of wet matted leaves and the rear wheels can break traction and all control is lost...a tractor in 4WD will prevent this from happening...
Knowing when a tractor needs to be in 2WD is obvious...not necessarily so at other times....

Some people will learn this the hard way...some may not survive to relate the lesson learned...!
 
/ When to use four wheel drive? #187  
The difference between being safe rather than sorry is not always well defined...

descending a grade that does not normally require 4WD can turn into disaster faster than an operator can react...all it takes is running across a section of wet matted leaves and the rear wheels can break traction and all control is lost...a tractor in 4WD will prevent this from happening...
Knowing when a tractor needs to be in 2WD is obvious...not necessarily so at other times....

Some people will learn this the hard way...some may not survive to relate the lesson learned...!
Exactly!
 
/ When to use four wheel drive? #188  
This thread might make the 200 mark.....

Here, I'll help it along.

If you are in a situation where being in 2wd creates a scenario where control of the tractor is lost and you can't think thru a solution before disaster then you should NEVER take your tractor out of 4wd, even on pavement, you just never know......
 
/ When to use four wheel drive? #189  
This thread might make the 200 mark.....

Here, I'll help it along.

If you are in a situation where being in 2wd creates a scenario where control of the tractor is lost and you can't think thru a solution before disaster then you should NEVER take your tractor out of 4wd, even on pavement, you just never know......
I know I have chimed in on this thread more than my share. Richard, I think you nailed here. I do operate on a significant slope and have 'lost' it in 2wd... first because I was a rookie. I learned that day that loss of traction going down a hill is no fun and it is not controllable, and can be fatal. 2nd time, it was because 'I forgot' to engage. I don't want to experience a 3rd time. My habits changed.

I have learned to truly appreciate the operational tips here on TBN. The safety ones can seem a bit motherly, but I don't take them that way any more.
 
/ When to use four wheel drive? #190  
The difference between being safe rather than sorry is not always well defined...

descending a grade that does not normally require 4WD can turn into disaster faster than an operator can react...all it takes is running across a section of wet matted leaves and the rear wheels can break traction and all control is lost...a tractor in 4WD will prevent this from happening...
Knowing when a tractor needs to be in 2WD is obvious...not necessarily so at other times....

Some people will learn this the hard way...some may not survive to relate the lesson learned...!


Some members have said what you said exactly too a few times..... What seems to be painted too me, is people using front loaders on light tractors who have experienced what can happen, or came very close too it, or have read about it and just say 4WD always and only, in fact that lever or knob for them should read sealed pavement or hard surface/loose surface. I wonder how many know why and understand exactly how the brakes work on the tractor they have.

Wonder what they did in the 50's and 60's was my thoughts last night. Must not have got much done.

it seems many will do things without full understanding of why & they may still be very close to the edge but think otherwise. Will concede, when I think of tractor, I think of heavy rear ended machine with chunky tyres, not a tarted up lawnmower with a bucket and lawn tyres smaller than my quad bike has.

It is all good by me if people use 4WD all the time, I can't find in my old Inters manual what I am supposed to do when using it :)
 
/ When to use four wheel drive? #192  
I only engage 4WD after I get stuck. Then I leave the tractor in 2WD and put my truck in 4 low while I try to extricate it from wherever it is I've managed to get it stuck this time. ;)

Thus my quest for a 4WD tractor...

So....you really have a 6WD ford ?

No ones gonna talk to you of there is a SCUT 4WD members meet up, you know that right ? I don't have to worry, too far away....may as well be another planet :)
 
/ When to use four wheel drive? #193  
.... I wonder how many know why and understand exactly how the brakes work on the tractor they have.
When the rear wheels break traction there is NO brakes...DUH!

... then you should NEVER take your tractor out of 4wd, even on pavement, you just never know......

Recommending a misguided practice that can cause damage to someone's tractor etc is not only stupid...it could be considered malicious...
 
/ When to use four wheel drive? #195  
I know when my loader is on my tractor stays in 4 WD.
When working on hills my tractor stays in 4 WD
For a few here that disagree with that, that's fine, its my tractor and I see no need to justifie how/when I use it
 
/ When to use four wheel drive? #196  
When the rear wheels break traction there is NO brakes...DUH!



Recommending a misguided practice that can cause damage to someone's tractor etc is not only stupid...it could be considered malicious...

Gee, you wrote a lot more and got a bit personal, but I see you edited your post....

No need to be personal, tractors have no personality, it is not worth getting too excited over & your reply was "Exactly", not too much to comprehend there & my reply was more in general terms to the theme of this thread, not to you personally. I am sorry I quoted you.

And losing traction does not have anything to do with how a tractors brakes may operate, they are not the same thing even though loss of either can have similar results.

I also did not say anything about leaving 4WD on when on pavement, so you have more editing to do :) And the exactly was not yours, my bad.
 
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/ When to use four wheel drive? #197  
Are you listing your reasons why I’m wrong....

I and others have mentioned some reasons, is not about you being wrong, but is akin to me saying...

A PTO is not needed....tractors don't need one, because, I do not use one. Or need one.

The 4WD engaging lever or switch is not just there for disengaging 4WD when on a sealed surface, not on a tractor that has locking 4WD vs something that has a AWD type system, but real locking front or turning wheels.

The OP asked a great question I suppose, I am surprised it went past a few replies.
 
/ When to use four wheel drive? #198  
And losing traction does not have anything to do with how a tractors brakes may operate,
Loosing braking traction on hills in 2 WD vs 4WD certainly does have a lot to do with how the brakes work on most compact tractors.
Most compacts have no front brakes. In 4WD the rear brakes work through the 4WD system so the front wheels assist in braking. From my experience the difference is huge on hills.
 
/ When to use four wheel drive? #199  
Loosing braking traction on hills in 2 WD vs 4WD certainly does have a lot to do with how the brakes work on most compact tractors.
Most compacts have no front brakes. In 4WD the rear brakes work through the 4WD system so the front wheels assist in braking. From my experience the difference is huge.

There are quite a few braking systems, but I do not know many, but seen a few variations.

At the end of the day, some people prob should not use machinery & at least is is usually a lone venture for the ignorant as opposed to on the road, anyways...

Yes, it could have a huge difference to outcome, small hydro tractor with loaded FEL that loses traction momentarily could set off a series of problems that would not likely be ending well if on hilly wet areas, the 4WD will def assist, I think I said it, I would 100% be using 4WD too, but I also would not be skating on the thin edge on a small machine, this may be a large part ?
 
/ When to use four wheel drive? #200  
I know when my loader is on my tractor stays in 4 WD.
When working on hills my tractor stays in 4 WD
For a few here that disagree with that, that's fine, its my tractor and I see no need to justifie how/when I use it

Absolutely do not have to justify. None of us have too, how would anyone know anyways :)

It is more about knowing why your doing what you are and the machine your using vs just saying.... always use 4WD ....just cause....
 

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