Specifications

Part Number STH12 9/10 163
McDonald’s Models
History
*Only 100 units manufactured.
Finished Drink
@ 5:1 Brix
Soda Only
Slow Flow 6 oz. / 4 sec. 5 oz. / 4 sec.
Fast Flow 12 oz. / 4 sec. 10 oz. / 4 sec.
Model Baths
Circulating Pump GPH
Carb.
Water
Line Size
Flow
1969 1200 Twin Two 50 GPH 3/8" ID Slow
1973 (late) 1200 Twin Two 50 GPH 3/8" ID Slow 1978 (late) 72 Twin Two 100 GPH 1/2" ID Slow/Fast
1979 (early) 36* Single Two 100 GPH 1/2" ID Slow/Fast
1981 (late) 37 Single Two 100 GPH 1/2" ID Slow/Fast 1982 (late) 37F (Fast Flow) Single Two 100 GPH 1/2" ID Fast 1987 (mid) 37T (Total PSI) Single Two 100 GPH 1/2" ID Fast 1990 (late) 37K (Kit) Single Two 100 GPH 1/2" ID Fast 1990 (late) 44K (Kit) Single One 100 GPH 1/2" ID Fast 1992 (mid) 37K-22 (R-22) Single Two 100 GPH 1/2" ID Fast 1992 (mid) Cold Plate N.A. N.A. 1/2" ID Fast 1992 (mid) 44K-22 (R-22) Single One 100 GPH 1/2" ID Fast 1995 (mid) 44K-404 (R-404A) Single One 100 GPH 1/2" ID Fast 1995 (late) 50M-04 (R404A) Single Two 100 GPH 1/2" ID Fast