Does anyone know the size of the transmission drain plug on the B2920? It came off while mowing along with all the hydraulic fluid and now the tractor will not move. I think I will have to retap and larger drain plug. I had a thread about this a while ago and thought I had fixed it with a new drain bolt but obviously that didn't work. Any help would be much appreciated. Will probably try to call Kubota tomorrow but if anyone knows the size I thought I would ask.
Transmission drain plug size Kubota b2920
- Thread starter Tractorrr
- Start date
- Views: 4041
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- kubota b2920
oldballs
Elite Member
- Joined
- Dec 29, 2009
- Messages
- 4,476
- Location
- Kansas...USA
- Tractor
- Kubota B2620 , Case 448 , Kubota B2650
You must have done something wrong to strip the threads. Kubota builds the best!
Yeah I may have overtightened the bolt. When I was taking the bolt off to change the hydraulic fluid I may have started by turning the wrong way rather than loosening it to take it off. Guess I wasn't used to taking off bolts laying on my back under tractor and got the loosening and tightening direction confused. Either that or I could blame it on the previous owner but either way it's got to be fixed.
Was able to get the M12 1.25 bolt to catch enough threads and filled it back up with hydraulic fluid so I could at least get it back to it's home.
Thanks for the bolt size Oldballs!
