Wanderlodge Owners Group  

Go Back   Wanderlodge Owners Group > Mechanic's Corner > Transmission

Transmission Discussion of preventative/corrective maintenance and other technical issues regarding your coach's transmission.

Site Search:
Thread Tools
Old 03-29-2016
Ernst's Avatar
Ernst Ernst is offline
Join Date: Dec 2008
Location: Grossenkneten, Germany
Posts: 39
Default MT640 + speed sensor

I have an Allison MT640 (part nr 6882855) under the 1976 WL.

On the left side there is a cable from the shift handle on the dashboard. Then there are two Bowden cables (?), both running up and forward.
I guess the one at the rear side is the one that runs to the speedometer. If I am right, is there a standard speed sensor that fits in this cable. Or can anyone tell me the thread of the nut and shape and size of the inner cable, so I can find something here in Europe?
(The supplier of John Gold cruise controls told me the old magnets/coil combination on the drive axle doesn't give a reliable signal. Don't ask me why!)

And what for is the other cable, the one screwed to the little Morse box?

Something else:
I read several stories about a retarder on this type of transmission. Is that a standard or a special (I don't find it...)?

Thanks for your answers!

I followed the front Bowden cable and found it ended at the fuel pump, together with the accelerator pedal. So I think it has something to do with a kick-down mechanism. Am I right?
Attached Thumbnails
Click image for larger version

Name:	DSC_0018.jpg
Views:	105
Size:	205.8 KB
ID:	41636   Click image for larger version

Name:	DSC_0020.jpg
Views:	99
Size:	209.5 KB
ID:	41637  
Vriendelijke groeten / Warm regards / Freundliche Grüsse / Salutations sincères / כל טוב

Ernst W. Sittig MSc
Großenkneten - Germany

Last edited by Ernst; 03-30-2016 at 09:09 AM. Reason: new finding
Reply With Quote


Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Cruise speed sensor gcyeaw FC (Forward Control Unique Issues) 4 05-25-2015 05:33 PM
MAP Sensor Skling Engine 0 06-19-2014 08:49 PM
Cruise control and Vehicle Speed Sensor Donn B Vehicle Issues 4 04-22-2013 10:00 AM
Speed Sensor Tailshaft philipswanson Transmission 5 11-27-2012 11:19 AM
Allison MT640 Retarder Not Working Patric Transmission 2 04-19-2011 01:16 AM

Web Search:

All times are GMT -4. The time now is 05:25 AM.

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2020, vBulletin Solutions Inc.