Motor Cross reference

Single Speed -Threaded Shaft 56Y -1081
HP	AO Smith	Century	Franklin	GE
1/2	CBT2052	B023	13719	H638
3/4	CBT2072	B028	18889	H639
1	CBT2102	B029	16436	H640
1 1/2		B035		C1276
2 Speed-Threaded Shaft 56Y -1081
HP	AO Smith	Century	Franklin	GE
1/2-1/16			18264	C1277
3/4-1/8	CBS2072	B036	12562	C1278
1-1/8	CBS2102	B037	15699	C1279
1 1/2-1/5		B034		C1280
Single Speed-Keyed Shaft 56C-Full Rated 1081
HP	AO Smith	Century	Franklin	GE
1/2	SK1052	B120	13883	C1093
3/4	SK1072	B121	14663	C1094
1	SK1102	B122	12718	C1095
1 1/2	SK1152	B123	13592	C1096
2	SK1202	B124	14317	C1097
Single Speed-Threaded Shaft 56J-Full Rated 1081
HP	AO Smith	Century	Franklin	GE
1/2	ST1052	B126	18330	C1098
3/4	ST1072	B127	15443	C1099
1	ST1102	B128	14542	C1100
1 1/2	ST1152	B129	16055	C1101
2	ST1202	B130	13300	C1102
Two Speed-Keyed Shaft 56C-Full Rated 1081
HP	AO Smith	Century	Franklin	GE
1/2-1/16		B970	13446	C1103
3/4-1/10	SKL1072	B972	17445	C1104
3/4-1/10	SKL1072			C1105
1-1/8	SKS1102	B974	16053	C1106
1 1/2-1/5	SKS1152	B976	19078	C1107
Two Speed-Keyed Shaft 56J-Full Rated 1081
HP	AO Smith	Century	Franklin	GE
1/2-1/16		B971	14537	C1108
3/4-1/10	STL1072 R	B973	13541	C1109
3/4-1/10	STL1072			C1110
1-1/8	STS1102 R	B975	14962	C1111
1 1/2-1/5	STS1152 R	B977	15940	C1112