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Odd snowcat and differential

MNoutdoors RIP

Gone But Not Forgotten
GOLD Site Supporter
Had a customer looking for parts and I have never run across this differential
Before thought I would share. The machine looks like a cross between a Thiokol
2100 and a 3700 machine. Sprockets are like a 2100

It was called a Duraflex
 

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Snowtrac Nome

member formerly known as dds
GOLD Site Supporter
also please tell us how the dura flex steers I don't see any room in it for bands and drums
 

MNoutdoors RIP

Gone But Not Forgotten
GOLD Site Supporter
Don, machines not here
But I think the engine would be
3208 cat

The diff has two hydraulic motors?
One on each side of the diff.
And also external disc brakes it seems
The only other diff that comes close in resemblance would be the odd one Bombardier used in the 12 machines they built
And numbered BR200 although it was smaller
It would counter steer
 

Snowtrac Nome

member formerly known as dds
GOLD Site Supporter
that must have been the one I looked at last winter, I believe the model of the machine was a 2700 if I remember right seems he was asking a pretty penny for it I think It had a wrecker boom on it to.
 

Snowcat Pat

Active member
TC-21 diff. DMC 3300 snow grooming vehicle . I do have a manual for it with part numbers and a service seminar book with some info.

I've been interested in this one for years, never seen one taken apart.

Mico disc brake steering, no hydraulic motors.

-Pat
 

MNoutdoors RIP

Gone But Not Forgotten
GOLD Site Supporter
Pat,

Are the micro discs acting as a brake or a clutch?

Found another one used
 

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