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I am new here and have just bought a Cub 2146. I believe it has an Onan Linamar engine. The mower is shaft driven. Where can I find a carb. for it. Ebay isn't working for me. Also, I want to change the trans axil fluid and filter. What type of fluid should I use?

Part must be looked up via the model starting with 13A. 2146 Tractor 13A-224F100

Cub Cadet part number for the carburetor is ME-146-0701 but if search using just 146-0701 you will find a better price.

Cummings Onan 146-0701 Carburetor

Hydro static oil is 20w/50 SG/CD engine oil or 15w/50 synthetic i.e. Mobil 1.

Personally buying a carb on Fleabay for an Onan engine is worse than a crap shoot, unless you have dealt with the supplier in the past. You have a 90% chance of receiving junk, at a premium price, and will be back at square one. Having worked on Onan engines over the years, it is one engine that doesn’t like aftermarket parts.

Ok, so what do you suggest? I have worked on Briggs engines. This is my first Onan. I'm having a hard time finding parts.

If the generator carb on the newer Oman's are like old ones no. The generator is a constant speed engine and has no need for the idle circuit used on the engines used on a lawn mower.

Just going to need to get the crowbar out and pry open your wallet on this one.

Onan = $$$
Getting one worked on = $$$$
Good stuff though.

Quality & precision costs money
Look at the cost of a mikuni carb fitted to the Suzuki 2 strokes that Toro used
Look at the price of a Khlein carb Kohler used on their horizontal engines .
The problem is you have just gotten used to mediocre to poor quality stuff for so long most have forgotten what quality is and what quality costs.
Add to that Japan is a mature economy that largely is powered by investments , inovations & royalties so they do not need to artifiically maintain the Yen at a low exchange rate compared to the US dollar .
The real cost of most of the stuff from China is about 3 times what you pay for it as the Renmenbi is around 60% undervalued so everything imported from China is way less than it can be made in the USA so all USA manufacturing will collapse and the USA will become totally dependent upon China .
But the good citizens are addicted to getting the lowest possible price and by the time they realize the true costs of all this cheap stuff it will be too late .

If they just provide repair kits or individual repair parts these carburetors would be nice. I just had to replace a Kohler Keihin @ $303 just for the carburetor due to fact I can't get any internal parts for it from Kohler.

I know they are expensive and few people work on them. I’m lucky to have a Cummins Distributor in Wisconsin which I am able to call and get parts. Because most people won’t touch them I’ve gotten units from 100 miles away bring them in for service. About 10 years ago guy calls and offers me a free weekend at his resort in northern Wisconsin plus my labor rate if I would come and get the generator on his RV going. Boss said go for it, the next week packed up the wife on Thursday, drove 125 miles, and got a two bedroom cabin on the lake. Next day did a full tuneup on the unit and relaxed for two days. Guy covered our meals and drinks, paid for mileage and three and half hours labor, and the next five springs drove it to us for a tuneup. Everyone, including the wife, was happy.

Hey folks, We are talking about a lawn mower not a 450 HP hot rod. I can get a Holly for that kind of money! I was a truck mechanic and still work on hotrods. $250 and up for a lawnmower carb to me is just insane! Are the rebuild kits just as bad or can you not get them?

Try this site, cheaper than what I pay, but I don’t need one. https://onanparts.com/index.php?main_page=product_info&cPath=1_12&products_id=575

As a person who works with their hands and does high precision work you of all people should know that precision COSTS MONEY just like speed does .
Onans are near the Rolls Royce of engines that have been fitted to mowers
You should also realize that the COST of doing a job is not dependent upon the end use but the amount of time & effort that goes into doing it.
The PRICE that a customer is willing to pay is what becomes determined by the end use .

When it comes to manufacturing the 2 big determinants in the cost is the precision & the volumes.
Holly make good carbs, millions of them and thousands of them are all based on the same bodies .
OTOH as far as the engine is concerned, a carb is a carb is a carb so no reason to fit the exact OEM carb to anything provided that you know what you are doing.
Unfortunately very few mechanics actually fully understand carburettors let alone Joe Public with a busted mower .

If Joe Public was willing to take their mowers to a carb specialist , most could sort them out with a substantially better carb that would give far less trouble than the factory fitted one but we come to the problem that the end use controls the price people will pay so rather than pay a specialist $ 200 to sort things out with a more common carb they will spend $ 5000 on a new mower . And your comment is exactly in line with this .
You would pay that money for a tuck or hot rod carb but not a mower carb yet the mower carb is doing the exact same job and providing more benefits to the customer than any Hot Rod ever will.

Carb kits for most Onan engine carbs run about $125.00, new carbs start around $300. I have found that most times crossing the MTD or other manufacturers numbers to Onan and buying through Cummins is cheaper than using the other manufacturers numbers. Even though they are $$$, I’d rather work on an Onan engine than just about every other manufacturer. Plus they have the best service manuals. Only time I hate them is when they are installed in the small back corner of an RV.

Bingo said:

Hey folks, We are talking about a lawn mower not a 450 HP hot rod. I can get a Holly for that kind of money! I was a truck mechanic and still work on hotrods. $250 and up for a lawnmower carb to me is just insane! Are the rebuild kits just as bad or can you not get them?

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The particular I was having replace was needing a main jet which Kohler does not provide. But if it was just a simple rebuild then in this case there was a rebuild kit.

But if you think $303 is bad try replacing one the Kawasaki carburetor on a Z950R they are around $600. If it wasn't me getting a schedule 80 pipe to repair it that what it would have cost the customer.