R420S intermittent forward travel problem

Eastsidetimber

New member

Equipment
2004 Kubota R420s, 2007 Kubota 121SS
Aug 24, 2019
2
0
0
Woodinville WA
Hi everyone -

First time posting here, I've got a 2004 Kubota r420s articulating wheel loader. Have had it for over 6 years now and it's been one helluva machine. Other than basic maintenance and tires, only major repair has been the main articulating joint.

My issue most recently has been that the machine will have intermittent problems with forward travel. Reverse is just fine, but occasionally forward will just stop working out of no where and theres no rhyme or reason on when it starts working again. When it stops working in forward, all other functions of the machine will work, and the motor will still rev up. So far, I've not had the loader stop working in the middle of travel, only once I've stopped and tried to start moving again. Any ideas? A bad solenoid? Wiring?

Thanks in advance for any advice, this machine is the backbone of our operation and works hard for us everyday. Need to get it functioning 100% again. Thanks!