I&T Manual covers tractor models, 720 diesel, 730 diesel,series 40,320,330,420,430,440, model 80, 830(2 cyl diesel),series 820,830(3 cyl.), 435 diesel, and 4401 diesel.

I&T Manual for tractor models2040,2510,2520,2240,2440,2630,2640,4040,4640,4840

I&T Manual for models,6030,3020(serial no. 123000 and up),4000,4020(serial no. 201000 and up),4320,4520,4620,3010,3020(before serial no.123000),4010,4020(before serial no. 201000),5010,and 5020