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I searched the forum already but could not quite find what I was looking for... I have an issue with the turning lights of my M923: When I move the lever on the steering column it only lights constantly but does not flash. BUT it does not always behave like that. After driving a while it mostly...

Searching for pictures of M939 trucks in service. Looking for all the details needed to refurbish the truck originally... fire extinguisher, chock blocks, ropes, chains, tools, markings, ...

Hey guys, Did anyone ever had a problem with the turning lights not flashing but glowing steadily when engaging the lever? The problem seems to be related to the horn (button?) somehow. If one works both work, if one isn't both are not working. I'm a bit confused because it happens at...

Hi all, I'm planning to equip my M923 A1 with a Jake brake and did a lot of reading and researching the last weeks. Still I could not find answers to all of my questions. Can anyone tell me something about the lockup of the tranny? The Allison Manual says that the Transmission has a lockup in...

I've been reading for hours in this forum now but haven't found a solution for my problem :shrugs: My M923 A1 has a oil leak on the front axle. Oil drips from behind the axle boot. So I changed the inner oil seal. The first ride it was all good but after 50mls it started leaking again. I'm...

Hello all, since I have my M923A1 I have noticed the truck rocking back and forth a lot while driving. It doesn't seem to be at sepecific speeds but it occures often (only?) when I'm using the motor brake. I haven't noticed this on other 6x6 all wheel drive trucks with single wheels. Does anyone...