Driveshaft
Driveshaft
Also looking for a gearbox rearmount bracket that fitts 722.6 and w124. Thanks...
whipplem104
08-04-2016, 11:24 AM #3What 124 are you doing this on?? If it is a gas car then it is bolt in for the driveshaft. The rear crossmember just needs to be drilled for the mount. If it is a diesel then the driveshaft is different. You can use the smaller output flanges for the 90mm bolt pattern on the stock driveline but that is a small flex disc and will be weak.
The rear crosmember from a 203 or a 210 may also be modified to fit, or you can do the same to your 124 xmember. Either way, the crossmember will need redrilling to fit it up.
rear coupling on the 722.6 should be 100mm.
early 124 uses coupling 2024101315 (90mm)
late 722.5 coupling is 1704100015 (100mm)
The 722.6 uses the 2 bolt angled mount, not the earlier 722.3/4/5 /717.4xx single vertical stud.
The rear crosmember from a 203 or a 210 may also be modified to fit, or you can do the same to your 124 xmember. Either way, the crossmember will need redrilling to fit it up.
rear coupling on the 722.6 should be 100mm.
early 124 uses coupling 2024101315 (90mm)
late 722.5 coupling is 1704100015 (100mm)
The output on the 722.6 ranges from a 3 bolt 90mm pattern to a 4 bolt 115mm pattern depending on the car and about 6-7 variances.
whipplem104
08-06-2016, 12:36 PM #5Yeah, I just meant that you should drill the crossmember for the 722.6 mount. I have done this many times. I have also tried the other chassis crossmembers and have not found one that fits yet.
The output on the 722.6 ranges from a 3 bolt 90mm pattern to a 4 bolt 115mm pattern depending on the car and about 6-7 variances.
MB are pretty good when it comes to tracking down specs & info for a major assembly like an engine or transmission.
The second sequence of 3 numbers on the Mb transmissions tell you everything you need to know about the trans specs, including gearing, and the yoke size. Problem is you need to use WIS or the EPC to check it.
The old hardcopy MB service manuals for the 722 series transmissions and the 717 series transmissions had the specifications for eack of those triplet sequences in the 00 section. Unfortunately, Mine was 'borrowed' some time ago and never returned... so I couldn't be absolutely sure which tans comes with which size yoke, but if you have access to the EPC, just put your transmissions first 6 digits into the vin entry and it should bring up the info you need.
Yeah I was referencing the M102/3/4 OM602/3/5/6 compaitble bellhousing 722.6's. Not to worry.
MB are pretty good when it comes to tracking down specs & info for a major assembly like an engine or transmission.
The second sequence of 3 numbers on the Mb transmissions tell you everything you need to know about the trans specs, including gearing, and the yoke size. Problem is you need to use WIS or the EPC to check it.
The old hardcopy MB service manuals for the 722 series transmissions and the 717 series transmissions had the specifications for eack of those triplet sequences in the 00 section. Unfortunately, Mine was 'borrowed' some time ago and never returned... so I couldn't be absolutely sure which tans comes with which size yoke, but if you have access to the EPC, just put your transmissions first 6 digits into the vin entry and it should bring up the info you need.
whipplem104
08-07-2016, 08:03 AM #7Interesting I never knew that. But honestly that is an easy part to replace and I cannot imagine at least here in the U.S. picking a transmission to use from the yoke size or the bellhousing. I just get cheap cores for the bellhousing and build v8 transmissions for these kind of projects and the most appropriate output flange for the power level. Or the driveshaft.
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