What do you want to paint, are you sure its Grey? / Not Blue? ................
From Vic's Article on Kubota Paint
Orange Enamel spray can 70000-73710 fenders, hood, instrument panel and wheels 5 cans for B series
6 cans for L series
Bright Orange II spray can 70000-73713 fenders, hood, instrument panel and wheels 5 cans for B series
6 cans for L series
Bright Orange II quart 70000-73712 fenders, hood, instrument panel and wheels
1 quart is enough for a B or L series
Blue spray can 70000-00197 transmission housing, engine block, rear differential, axles, 3 point hitch 4 cans for B series
5 cans for L series
Blue quart 70000-00197 transmission housing, engine block, rear differential, axles, 3 point hitch
1 quart is enough for a B or L series
Blue gallon 70000-00200 transmission housing, engine block, rear differential, axles, 3 point hitch
1 gallon is enough for 4 tractors
Dark Grey spray can 70000-00210 ROPS
http://www.orangetractortalks.com/2008/10/kubota-paint-part-numbers-where-to-apply-and-how-much/