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237 Jake


n2deep

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This has probably already been covered somewhere but I can't find it so. The guys a watts mack called specs and they say my 237 needs a dynatard, some of the mechanics say a jake can be used. Whats the deal with this idea is it one or the other or will either one work. I have a couple parts trucks with jakes but no "dynaturds" as I am not thrilled about the thoughts of putting one on my truck. The only one I have ever driven worked as well as opening the cowl vent to slow down. thanks.

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Interesting concept - opening the cowl vent to slow down!

Probably a reasonably cheap approach to auxiliary braking.

As I understand it, TEC Brake makes a kit that is designed for all

two valve Mack diesel 6 cylinder engines. I have one that is brand new,

and I checked the instructions that come with the kit. They don't really say.

Barry at Watt's Mack should be able to confirm the compatability with the

237 Maxidyne, but I believe that the TEC brake will work on that motor.

I was told when I purchased the brake that it was designed for the 673, 711,

and two valve Maxidyne engine series.

The TEC Brake kit is essentially a duplicate of the original Jacobs brake that

is now out of production. I understand that most, if not all, of the parts are

interchangeable, although I cannot confirm this to be true.

Best to talk to Barry. They have access to these brakes in limited quantity.

Paul Van Scott

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This has probably already been covered somewhere but I can't find it so. The guys a watts mack called specs and they say my 237 needs a dynatard, some of the mechanics say a jake can be used. Whats the deal with this idea is it one or the other or will either one work. I have a couple parts trucks with jakes but no "dynaturds" as I am not thrilled about the thoughts of putting one on my truck. The only one I have ever driven worked as well as opening the cowl vent to slow down. thanks.

The jacobs brake is fully compatible with the 237. They make 2 vlave and 4 vlave jakes for macks. The only thing different is the dia. of the valve stems. The install manual is downloadable from the TEC brake website.

Fred

15 gears...no waiting!
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