rret 3 #1 Posted May 2, 2023 Hi, Changing the transmission fluid (10W-30) on my C-120 with an automatic transmission. Does anyone know the capacity in quarts? Is it 3.5 quarts? Thanks. 1 Share this post Link to post Share on other sites
953 nut 51,734 #2 Posted May 2, 2023 (edited) 3 1/2 Quarts of oil without a filter change is a good starting point.Run the transmission for a couple of minutes and run the lift up and down a couple times then top it off if needed. I would suggest changing the filter also, use a NAPA 1410 or Wix 51410. Edited May 2, 2023 by 953 nut 1 Share this post Link to post Share on other sites
rret 3 #3 Posted May 2, 2023 thanks Mr. Nut. (I have a cousin named Locknut.) On a serious note, I did change the filter - used a supposedly genuine WH one from ebay: https://www.ebay.com/itm/283731020387 2 Share this post Link to post Share on other sites
953 nut 51,734 #4 Posted May 2, 2023 1 minute ago, rret said: I have a cousin named Locknut Share this post Link to post Share on other sites
