Transformer Model	Center Rail	Outside Rail	Min/Max. Voltage	Power Rating	Transformer Type
Lionel 1032	U	A	5-16v	90-Watt	standard
Lionel 1032M	U	A	5-16v	90-Watt	standard
Lionel 1033	U	A	5-16v	90-Watt	standard
Lionel 1043	U	A	5-16v	90-Watt	standard
Lionel 1043M	U	A	5-16v	90-Watt	standard
Lionel 1044	U	A	5-16v	90-Watt	standard
Lionel 1053	U	A	8-17v	60-Watt	standard
Lionel 1063	U	A	8-17v	60-Watt	standard
All-Trol	Left Terminal	Right Terminal	0-24v	300-Watt	electronic
Dallee Hostler	Left Terminal	Right Terminal			electronic
Lionel LW	A	U	8-18v	75-Watt	standard
Lionel KW	A or B	U	6-20v	190-Watt	standard
Lionel MW	Outside Track Terminal	Inside Track Terminal	5-16v	50V.A.	electronic
Lionel RS-1	Red Terminal	Black Terminal	0-18v	50V.A.	electronic
Lionel RW	U	A	9-19v	110-Watt	standard
Lionel SW	U	A	Unknown	130-Watt	standard
Lionel TW	U	A	8-18v	175-Watt	standard
Lionel ZW	A,B,C or D	U	8-20v	275-Watt	standard
MTH Z-500	Red Terminal	Black Terminal	0-18v	50-Watt	electronic
MTH Z-750	Red Terminal	Black Terminal	0-21v	75-Watt	electronic
MTH Z-1000	Red Terminal	Black Terminal	0-18v	100-Watt	electronic
MTH Z-4000	Red Terminal	Black Terminal	0-22v	390-Watt	electronic
Lionel Post-War Celebration Series ZW	A,B,C or D	Common	0-20v	135/190 Watt	electronic