Toro Dingo TX 420 Hydraulic Valve Diagram for All Model Year 2006 420's. Also Fits Some Model Year 2005 420's.

237-22 - Reference Number 20:1, 28:1, 40:1 or 43:1 - O Ring

106-9315 - Reference Number 21 - Hydraulic Tube

106-9313 - Reference Number 22 - Hydraulic Tube

106-9312 - Reference Number 23 - Hydraulic Tube

106-9314 - Reference Number 24 - Hydraulic Tube

106-9385 - Reference Number 25 - Hydraulic Tube

86-5480 - Reference Number 26 - Test Nipple

354-79 - Reference Number 27 - Dust Cap

340-71 - Reference Number 28 - Straight Fitting

3296-29 - Reference Number 29 - Nut

340-70 - Reference Number 30 - Nut

100-4240 - Reference Number 31 - Straight Fitting

237-81 - Reference Number 31:2 or 34:2 - O Ring

92-5821 - Reference Number 32 - Filter Head

86-3010 - Reference Number 33 - Hydraulic Oil Filter

340-131 - Reference Number 34 - Elbow Fitting

3253-3 - Reference Number 35 - Washer

321-4 - Reference Number 36 - Screw

340-127 - Reference Number 37 - Nut

322-3 - Reference Number 38 - Bolt

3253-4 - Reference Number 39 - Washer

340-68 - Reference Number 40 - Tee

106-9316 - Reference Number 41 - Hydraulic Tube

106-9317 - Reference Number 42 - Hydraulic Tube