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  #1  
Old 10-29-2013, 03:21 PM
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Manual Trans Gear Ratios

Some of the guys on my other forum are wondering what the ratios are in my '84 240D manual 4 speed. Pretty sure neutral is 0.00:1 and 4th. is almost certainly 1.00:1, but what about the others? They're not too concerned about reverse!

Hope someone has this -
Dan

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  #2  
Old 10-29-2013, 03:51 PM
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Nitske says 3.90, 2.30, 1.41 and 1.00 forward with a 3.69 diff on the W115 and W123 240Ds. Is neutral a ratio?

Sixto
87 300D
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Old 10-29-2013, 04:23 PM
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W123-240D-Getriebe/en

I: 3.90; II: 2.30; III: 1.41; IV: 1.0; R: 3.66

The ratio is input : output so technically, neutral is 1:0. Now explain to your wife why she shouldn't park in infinity.
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Old 10-29-2013, 04:48 PM
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I have the 1981 Mercedes data booklet for all passenger cars -- that lists three different variations of the 716, all with slightly different ratios, so I'll put those up shortly. I believe 1st ranges between 3.90:1 and 3.96:1.
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Old 10-29-2013, 05:03 PM
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716.005 and 716.006 up to April 1977: 3.90, 2.30, 1.41, 1. Rev 3.66.

716.006 starting May 1977 ("superhigh teeth"), and 716.007: 3.98, 2.29, 1.45, 1. Rev 3.74.

716.1: 3.96, 2.34, 1.44, 1. Rev 3.72.
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1982 300SD -- 211k, Texas car, tranny issues ____ 1979 240D 4-speed 234k -- turbo and tuned IP, third world taxi hot rod

2 Samuel 12:13: "David said to Nathan, “I have sinned against the Lord.” And Nathan said to David, “The Lord also has put away your sin; you shall not die."
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Old 10-30-2013, 12:17 AM
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Thanks for the data! Sounds like there are some slight differences based on application but they're all in the same ballpark.

One of the guys on BS is thinking about a OM617 in an '83 T-Bird. Interesting swap! He was surprised that I found my manual trans from a 240D. Lots to learn in the Benz world!

Dan
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Old 10-30-2013, 02:49 AM
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Here you go Dan

Manual Transmission information


Charlie

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