Howdy, my Tripac is NOT an Evolution model but the simple one before the Evolution.
Got ALT code on the display and the batteries won't get charged so I guess is the alternator time to be replaced. I checked for bad or lose wires but everything looks great in this respect. At over 5000 hrs on the apu I think one alternator replacement is not that bad.
Now the reason I posted this thread.
I was suggested to install instead the standard 65Amp alternator the 120Amp for a better performance.
I called multiple Thermoking dealers and talk with parts and service departments asking questions. I think I called like 8 or 9 dealers everywhere in USA and Canada. The result was more confusing then before calling.
What I've been told (by one single dealer) is that the 120Amp alternator needs a smaller pulley than the 65Amp one. They even gave me the part number of the pulley. So judging from one single dealer pov all I have to do is just stop to any dealer and buy what I need, install it and good to go.
Now my common sense tells me to think a little bit. Out of all the people I talked to only one place told me from the get go "yes is possible" "you need this and that" etc. The rest were either terrible confused, or they said don't even think to do it or they are not sure what smaller diameter pulley I'm talking about etc etc.
Question for those who already upgraded their alternator from 65Amp to 120Amp. What kind of pulley did you use. I know the belt is different length.
Please hit me with your personal experiences on this matter. While doing the replacement /upgrade and hit any snag any tip feel like sharing will help.
In this very moment I feel like just forgetting about 120Amps and go with the 65Amp that I already have and forget about everything.
Thank you
Tripac 120A alternator replacement
Discussion in 'Trucks [ Eighteen Wheelers ]' started by The_Judge, Jun 28, 2018.
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I dont know for sure what the wiring harness is designed for, which is my concern. Did you consider the wire gauge must be able to handle the amps. Double output would certainly raise my concern. Based on the load and the resistance, wires can heat up and damage things.
Secondly, why the need to change the design specification of a older model, when newer models are redesigned to accommodate higher output power generation. OEM stands the test of time. 5000hrs. I question the reliability of your theory may shorten the life of other components unless this has been tried and tested.
Ampacity Charts
Amperage is a measure of the electrical current flowing through a circuit. Current is measured in amperes or "amps". You must use the correct size wire for the amperage requirement of the circuit to prevent the wire from over heating. -
Part number is 452671.
His name is Ralph.
623-907-8666 -
Tri Pac reckon 65a is ok so personally I stick at that. There's an outfit called db electrical that sells insanely cheap units, I've found them to be long lived too. I have a spare in here as theyre so cheap but the current one wont die!
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I just installed a 105 amp Delco alternator from a 1995 Chevy Impala. You have to use the pulley and fan from the TK unit. The pigtail for the Delco is available from the parts store as well and must be spliced in.
It will bolt right in.Vitkouski, Dave_in_AZ and dunchues Thank this. -
Thank y'all gentlemen.
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Yes I have done this upgrade. The reason is that the alternator will charge your battery's faster also handle a load better. There is a kit that you have to buy also that is electrical wiring and sensor that kick the alternator off when the A/C compressor kick in. The motor doesn't have the HP to run both at the same time plus the belt the new alternator comes with a pulley. The old alternator is for a reefer to charge one battery not four it has to work hard to do it plus motor couldn't handle the extra load without the kick out switch
The_Judge Thanks this. -
Ok, I replaced my original 65Amp alternator with 120Amp one. The 120Amp alternator DO NOT comes with it's pulley. It has to be bought separately. So I had no choice but install the old pulley which is nothing wrong with. Apparently no dealer has it in stock. At least the 8-9 dealers I called didn;t have it.
The 65Amp pulley diameter is a bit over 3 inches. The 120Amp pulley is 1.9 inches. I guess it's a matter of how fast the alternator will spin.
I will go ahead with my experiment and buy the small pulley and install it and see what happen.
I don't know how to measure the Amps with the new alternator so I'll wait till I reach home base where I know a shop who does electrical stuff so they have the gadgets to measure everything.
As a first observation all I can say is that right now I can have the truck engine stopped and run the coffe maker or microwave and the truck won't scream for me to start it. It's a good start.
I'll keep you posted with my journey progress in case anyone else is thinking of doing the same I like to call it improvement. -
Many O/O want to upgrade their units now for the later mentioned reasons.
TK in Winnipeg doesn't even offer the 65 amp version as standard anymore.
I have about 6000 hours on my second alternator now. Smoked the first one just a bit after a year. I think high loads were the reason. Ever since, the unit is shut down when I brew my coffee and I'm fine.
I once called some dealers for the conversion kit and got different answers as well. From just the alternator to a conversion kit in the value of 1000 Loonies plus alternator.DustyRoad Thanks this. -
So for everyone avoiding going to thermoking because it's too expensive, did you know they have a two year warranty on their parts? It's registered by serial number in their system if it's a genuine thermoking part. I just got the alternator replaced, running fine so far, but no way it will last two whole years.
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