Page 1 of 1
Has all ldu same mechanical parts ?
Posted: Wed Dec 27, 2023 9:41 pm
by Affe
Hi.
Has all large ldu same ”gearbox” parts and same rotor? Have a old 2013 ldu whit isolation fault from a broken seal… i thught i should be a quick fix but i discoverd that splintz on rotor and input Shaft i Also worn out.
Now i try to find someone who sent to sell me those parts but i frist need to know what parts fit…
Hope someone cab help me out
Re: Has all ldu same mechanical parts ?
Posted: Fri Dec 29, 2023 1:45 pm
by P.S.Mangelsdorf
Based on the various units that have been disassembled/rebuilt, it appears that the LDU in 2012-2017ish Model S/X was the same mechanically, with only the inverter IGBTs and capacitors changing between the Base and Sport units. Being that it's Tesla, and they change stuff all the time, it's entirely possible that there are variations out there we have not yet discovered.
Re: Has all ldu same mechanical parts ?
Posted: Fri Dec 29, 2023 3:30 pm
by muehlpower
I could imagine that the stator of the Sport Unit has a smaller number of windings. How else could a higher current flow at the same voltage? A comparative resistance measurement could confirm this. Does anyone have values for one or the other unit?
Re: Has all ldu same mechanical parts ?
Posted: Fri Dec 29, 2023 3:41 pm
by johu
muehlpower wrote: ↑Fri Dec 29, 2023 3:30 pm
How else could a higher current flow at the same voltage?
By adding more slip

Re: Has all ldu same mechanical parts ?
Posted: Sat Dec 30, 2023 1:11 pm
by Affe
P.S.Mangelsdorf wrote: ↑Fri Dec 29, 2023 1:45 pm
Based on the various units that have been disassembled/rebuilt, it appears that the LDU in 2012-2017ish Model S/X was the same mechanically, with only the inverter IGBTs and capacitors changing between the Base and Sport units. Being that it's Tesla, and they change stuff all the time, it's entirely possible that there are variations out there we have not yet discovered.
Ok. Any idé where to find a rotor and inputshaft? I have Try ebay but no luck….
Re: Has all ldu same mechanical parts ?
Posted: Sat Dec 30, 2023 1:23 pm
by muehlpower
They sell individual Tesla components here:
https://stock-tesla.com/en/index.php?ro ... t_id=45120
Many people here in the forum have broken Tesla engines where the rotor is OK. Mane2 for example. Try an ad in classified
Re: Has all ldu same mechanical parts ?
Posted: Sat Dec 30, 2023 2:40 pm
by Affe
I have tyr to contact stock-tesla but whitout any sucsess. I