WN-904-252-PEX Air Conditioner, Expansion Valve Fits Hesston 5800 6200 6600One New Aftermarket Air Conditioner, Expansion Valve Fits Hesston Models: 5800 6200 6600 Tech Info: External Equalizer, 1 2" x 3 8" Male Flare, R12 Additional Info: N A (FW30,FW40,FW60,All 2 1978),(TW10,TW20,TW30,8000,9000,All 8 1976) 200 S N 4000, 200 S N 4001 , 210,110,(All w Laporte Cab),6060,6070,6080,6690 S N 1929 , 7000 S N 8000. 7010,7020,7030,7040 2 155 S N 400417 410 S N 1200015063 , 510 S N 1201009156 , 750 S N 169603515, 8570 S N 11101 E3 w