Roper Transmission Oil

New Member Join date : 2018-01-09 Points : 2312 Posts : 2

Im fairly new here but i have an old roper rt13 that im working on and i was wondering how to check the transmission oil? Ive found the fill plug on the left side but i have no idea how i check the oil. Thanks

Subject: Re: Roper Transmission Oil Wed Apr 22, 2020 8:47 pm

I'm guessing a 633a with high and low. There isn't a good way to check the oil. Just change it. 5 qts of sae-30 oil non-detergent.

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New Member Join date : 2018-01-09 Points : 2312 Posts : 2

Thanks, a guy said earlier just to fill it to the top but im not sure thats right, i thought id check here haha

New Member Join date : 2021-05-26 Points : 1077 Posts : 2

i thought that it was 2 qts but mine may be different... it was empty it is 3 speed with high/low that was dry dry dry. took it apart... seemed ok. the needle bearings that the shafts ride on where stuck. WD 40 loosened them up. i used a blend of motor oil/gear oil and STP oil treatment for all the years it was ran dry. amazing how ppl can SEE the little 1/2" NPT 90* elbow sticking up with plug in it and NOT REALIZE... IT TAKES OIL IN THERE... ANY OIL is better than NO OIL. if overfill it... it will just leak out the axle shafts out of generic 44mm 25mm (1") x 7 double lip sea... indicating it needs a new seal that is why the gear oil/STP oil treatment in the transaxle so it lasts a good long time.

i write on the thing... CHANGE Transmission oil every 2 years of 100 hours HERE!!!! with arrow pointing to the 90* elbow facing UP... i put a 6" nipple in it, cocked it bck and put a 1/2" collar for the funnel to fill the final drive on the what cld be a nice machine that will last many more years... with FRESH motor/gear /STP oil in the transaxle l

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