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 | wbowhunt
Join Date: Dec 2003 Posts: 207 West Virginia 
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2003-12-03 70182
OK Here again I showing my novice knowledge. As I look at options I see Options for 2WD ( OK Simple enough 2 wheel Drive) But then instead of showing 4WD I see FWD on the Blue. I think Front Wheel Drive. Is this really 4 WD? Then on the Red ( Case IH ) I see MFD ( I have Not a clue ) Again is this just a different way of stating 4 WD. Are these true 4WD or some version of a limited slip? I suppose I will get alot answers at the dealer tomorrow, but going in a little more knowledgeable would be helpful. I really don't want the big " Here comes a sucker " Look from the dealer.
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 | DRankin
Join Date: Jan 2000 Posts: 5116 Northern Nevada 
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2003-12-03 70190
They are all saying the same thing. FWD is Front Wheel Drive (in addition the the rear wheel drive) and I believe MFD is Mechanical Front Drive (as opposed to a hydraulic drive).
Most CUT's don't have limited slip axles per se, but instead have a pedal operated differential lock that locks both wheels into the same rotational speeds.. ....
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 | AC5ZO
Join Date: Jul 2003 Posts: 928 Rio Rancho, NM 87144 
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2003-12-03 70206
I am pretty sure that the diff lock on my NH only locks the rear wheel differential. The transfer case or whatever it is called on the tractor mechanically locks the front diff to the rear diff when 4WD (FWD) is engaged.
My tractor has a gear transmission. I don't know if the hydrostats are different. ....
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| DRankin
Join Date: Jan 2000 Posts: 5116 Northern Nevada
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2003-12-03 70214
I have been able to get all four spinning at the same time with my 4100 Gear and my 4115 HST. ....
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 | Peters
Join Date: Feb 2002 Posts: 3034 Northern AL
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2003-12-03 70247
The IH and NH CUT are the same tractors painted different colors so the FWD (four wheel drive) and the MFD are the same.
Most of the small tractors have a mechanical front wheel engagement with no differential between the front and rear. A number have a locking rear differentials to increase traction. One or two have locking front differentials. One or two have hydraulic front and rear drives (Powertrac etc.). ....
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| wbowhunt
Join Date: Dec 2003 Posts: 207 West Virginia
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2003-12-03 70251
Once again my questions are answered and I have a better feel for my options. Although at this point I can't understand why anyone would not get the 4WD in a CUT. Just for practical use purposes. I could see getting stuck or at minimum doing allot of spinning with 2wd, especially using a FEL.
Thanks for the help ....
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 | TomG
Join Date: Feb 2002 Posts: 5406 Upper Ottawa Valley
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2003-12-04 70269
I think of 4wd drive as almost essential for a compact. Compacts just don't have the weight or rear tire size to get enough traction to do even moderate ground-engaging work without 4pd. 4wd also improves stability on hills, adds a bit of braking and provides ability to divide ballast used to increase traction. I put weight in the bucket when using box scraper scarifiers to cut sod. An implement working on the ground doesn't contribute to ballast and about the only convenient way to add ballast is in the bucket.
The front to back diff Peters mentioned isn't found on compacts but one solves a problem on 4wd heavy-equipment that have long wheel-bases. In turns, the front outside tire tracks a longer distance than the rear tire. In effect it uses the built-in front axle lead when turning. Too sharp a turn and the front axle quits pulling unless there's a diff in the front drive shaft. That sort of thing is interesting to me, but it's not really a problem that has to be solved for compacts. ....
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 | kwschumm
Join Date: Feb 2003 Posts: 5764 NW Oregon
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2003-12-04 70273
Most everyone buys 4WD CUTs, so much so that JD seems to be discontinuing most of their 2WD CUTs. ....
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