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#1
01-21-2009, 05:12 PM
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w124 300D Torque Converter Stall Speed
Does anybody know what is the stall speed of the torque converter from a 1987 300D with a 603.960 engine and I think a 722.317 transmission?
Would this torque converter fit on a 617.95x motor and 722.3xx combo?
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1983 123.133 California - GreaseCar Veg System 
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#2
01-21-2009, 05:23 PM
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Not sure of the factory spec, but I know on our old 87 300TD, I could keep the throttle feathered at just about 2k rpm and the trans would shift without disturbing the rpm. Felt like a CVT trans.... Based on this observation, I'd guess the stall speed is around 2k.
The bellhousing bolts are a different pattern, but that doesn't really answer your question. Sorry... Jim
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14 E250 BlueTEC black. 45k miles 95 E320 Cabriolet Emerald green 66k miles 94 E320 Cabriolet Emerald green 152k miles 85 300TD 4 spd man, euro bumpers and lights, 15" Pentas dark blue 274k miles
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#3
01-21-2009, 07:17 PM
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Easiest way to tell is floor it with the brakes on, read the tach. I tried this once on my '87, still have the black marks on the garage floor to prove it, ... kind of surprised me. Probably works better on cement that isn't troweled smooth.
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 Gone to the dark side - Jeff
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#4
01-21-2009, 07:45 PM
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I've just checked my 1987 manual collection with no success for the 1987 300D Turbo. A transmission manual is probably what you want.
The 1985 "Introduction into service" manual mentions for the 1985 300D-T (W123, OM617) and 1985 300SD (W126, OM617) that a higher stall speed torque converter is used for the 1985 model year. The new torque converter has a stall speed, they say, of "approximately" 2600 RPM. This means that the previous one had a lower stall speed but they do not give a number. Jeremy
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 "Buster" in the '95 Our all-Diesel family 1996 E300D (W210) . .338,000 miles Wife's car 2005 E320 CDI . . 113,000 miles My car Santa Rosa population 176,762 (2022) Total. . . . . . . . . . . . 627,762 "Oh lord won't you buy me a Mercedes Benz." -- Janis Joplin, October 1, 1970
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#5
01-21-2009, 08:19 PM
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^^^
From M-Shop member Shorebilly- What is the difference between an 84 300SD tranny and an 85? Quote:
I probably need a manual, but figured that someone here might have that info. Thanks for looking.
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1983 123.133 California - GreaseCar Veg System
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