Buying new Kenworth w900

moondog from hillbilly · Feb 8, 2016

daf105paccar said: ↑

OP,
with you pulling tankers, i would advice you to take the disks.
Ps i haul liquids too.
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This what I pull

moondog from hillbilly · Feb 8, 2016

larry2903 said: ↑

Dealership that I ordered the truck from gave me the only information I have on them. Don't think I'm going to find out for a while, truck only has 78,000 miles on it so far.
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Good

daf105paccar said: ↑

Larry, don't misunderstand me,I will never ever buy drums again.
Disks are the best but just like anything on a truck,they need a little tlc.
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moondog from hillbilly · Feb 8, 2016

Father7 said: ↑

The reason that anyone with disc brakes can have premature axle seal failure is excess heat. Although disc brakes can dissipate heat much faster than drums (only when your off the brake) they can produce just as much, and in such cases more heat. Because discs are lighter than drums, there's less metal to absorb the heat, therefore more heat can be transfered to the hub when you get those discs really hot. More heat in the hub, cooks the seals.

A disc can always dissipate heat faster than a drum, not just because they are lighter, but because they are vented. So if your engine/exhaust brake is not up to the job, using stab/snub braking with discs is particularly effective because they cool so quickly when your off the brakes.

As Kansas Transit said poor quality seals will always fail prematurely, I use scott seal xl plus where possible.
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Hmm

Dominick253 · Feb 8, 2016

Fast04gt said: ↑

I've spec'd out a new Kenworth w900 and not sure about the disc brakes that are now a option. Good, bad. Replace cost. Life? I pull tanker so any insight will be appreciated.
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Amazing. My truck has discs and what a difference. Stops on a dime with 80k on.

gokiddogo · Feb 8, 2016

Any issues with frozen brakes in winter? Is it easy like drums just use a hammer and they unlock?

larry2903 · Feb 8, 2016

Ran through snow and ice this winter, never had mine freeze.

Fast04gt · Feb 10, 2016

Paul Geanta said: ↑

Seen Miller on CL and I gave it a fast thought. How much you bring home in average? Tanker is something I could learn!
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Depends. You wanting system work where your out for 2-3 weeks or dedicated. Dedicated means your out loaded and back empty. Usually back within 2 days

Yves kanevil · Feb 10, 2016

Anyone have experience with discs off road. In gravel and mud. They must wear out fast when not on highway

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