Another JD790/TC30 Post

[whitetiger]

Although its been a while, I remember comparing the TC30 mounting blocks to a TC33 sitting next to it. The boomer ran MUCH smoother even though they have the same motor (diff in HP is thorugh port tuning I'm told). I remember noticing the difference in the grommets / mounts.

The TC30 machine vibrations were NOTICIBLY increased at idle. I found bumpin it up to about 1100 rpms found an acceptable harmonic, but that rumble at idle made an impression.

Maybe you had better look again as neither tractor has any moter mounts of any kind. Both units have the engine bolted to the transmission via the bel housing and side rails bolted to the sides of the block which is what the front bolster is bolted to. No grommets / mounts.
We sell quit a few TC 30's and I never saw one that did not run as smooth as a TC33.