Re: [diesel_mercedes] 722.303 Tranny

 

Nate: You make a good point. I was restricting my discussion to the w123 chassis models. But you are correct in that later (heavy) models used this beefy tranny. The 722.303 has the highest torque rating of the Benz line of trannys for it's time. As an engineer I am beyond impressed that this transmission is still the spine of the Benz automobiles. Of course they improve details as they go. But the core of this transmission is so robust and so well conceived that they have not needed to design a new one in all these years. And as an electrical engineer, the transition into electrically controlled solenoids for fluid path control inside the box is beautiful. Mostly because the wires that control the solenoids don't have to be driven by a computer, but can be energized by manual switches to make this a manually controlled slushbox. I like that idea. To me it is the best of both worlds - fluid coupling and absolute driver control. Forgive me, but I think I am having a geekgasm.

Bogy.
 

From: "vwnate1@yahoo.com [diesel_mercedes]" <diesel_mercedes@yahoogroups.com>
To: diesel_mercedes@yahoogroups.com
Sent: Monday, May 8, 2017 10:20 PM
Subject: [diesel_mercedes] 722.303 Tranny



? only on wagons and CD's ? .

I thought the S Klasse Sedans had the beefiest tranny .

I was underneath my '84 300CD to - day, laboriously scrubbing off 33 years of accumulated oil, Diesel fuel and road mung that was collected by the gooey mess......

Whew am I ever tired and the job's no where near done yet but I'm happier .

I guess I need to look at the tranny's tag # to see what model it is .

-Nate





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Posted by: Bogy Wan Kenobi <polespearbogy@yahoo.com>
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[diesel_mercedes] BE SAFE !

 

Tuesday 5.2 my Daughter in Law was leaving her friend's shop when she noticed unsecured cargo in the bed of her 2005 (?) Chevy crew cab long bed diesel pickup truck that's lifted .

She pulled over to the curb and turned on the hazard lamps, made sure her 4 YO. Daughter was still safely buckled intio her car seat and climbed intot he bed to secure the cargo .

Some guy driving past fell asleep and rammed her truck going full speed, tossing her through the air and she landed on her head, breaking her neck and left arm/wrist .

She had emergency neurosurgery on the C6 & c& vertibrae and now has a metal plate and four screws, they're going to go back and look at the left arm/wrist and pin it soo, waiting for her to stabilize more yet .



Whew .


She's in serious pain but will live and not be crippled for life .


She's young and very healthy, not over weight, likes to be active and so on .


I asked the Surgeon of she'd be able to ride a Motocycle again, he doesn't know she's a competitive Moto racer, he said yes, in less than one year if all goes well .


I've been stating at the hospital since then .


She's home now .


Grand Daughter is fine but not happy she can't be picked up any more .


-Nate

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Posted by: vwnate1@yahoo.com
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