Thermostat
CTPA-74025103 Replacement Part to Fit:  Allis-Chalmers For Models: 180, 185, 190, 200, 210, 220, 7000, 7020, 7030, 7040, 7050, 7060, 7080, 7580, D17 SN 119938>, D19 DIESEL  Price:  $7.69  Buyers Club Price:  $6.92