serialnumber

Massey-Harris Serial Numbers

20-22-30-44-55-81-82-101-102-201-203

This information is based on serial numbers compiled by Keith Oltrogge. Serial numbers are always in two places on every tractor located on the serial plate and stamped on the top of the transmission cover.

Please send any additions and/or corrections to:

Keith Oltrogge
Box 529
Denver, Iowa 50622

Go Directly to Serial Numbers by Model

Serial numbers are stamped on a plate located on the left side of the

main frame and on the top of the transmission housing

Identification

Tractor Model	Fuel Used	Version Built	Engine Model	Tractor Model	Fuel Used	Version Built	Engine Model
20G	Gas	R.C. & STD	Cont F124	81	Gas	R.C. & STD	Cont F124
20K	L. Grade	R.C. & STD	Cont F140	82	L. Grade	R.C. & STD	Cont F124
22G	Gas	R.C. & STD	Cont F140	101	Gas	R.C. & STD	Chrys T57 Chrys T01 Chrys T105
22K	L. Grade	R.C. & STD	Cont F140	101 Super	Gas	R.C. & STD	Chrys T98 Chrys T136
30G	Gas	R.C. & STD	Cont F162	101 Sr	Gas	R.C. & STD	Cont F226
30K	L. Grade	R.C. & STD	Cont F162	101 Jr	Gas	R.C. & STD	Cont F124 Cont F140 Cont F162
44G	Gas	R.C. & STD	MH H250G	102 Sr	L. Grade	R.C. & STD	Cont R244
44K	L. Grade	R.C. & STD	MH H250X	102 Jr	L. Grade	R.C. & STD	Cont F140 Cont F162
44B	L.P. Gas	R.C. & STD	MH H260B	102G Jr.	Gas	R.C. & STD	Cont F124 Cont F140 Cont F162
44D	Diesel	R.C. & STD	MH HD150	102G Sr	Gas	R.C. & STD	Cont F226
44/60G	Gas	R.C. & STD	Cont F228	201	Gas	STD	Chrys T100 Chrys T120
55G	Gas	STD	MH J382G	202	Gas	STD	Cont M290
55K	L. Grade	STD	MH J382K	203	L. Grade	STD	Cont M330D
55B	L.P. Gas	STD	MH J382B	203G	Gas	STD	Cont M330
55D	Diesel	STD	MH JD382	Pony	Gas	Axle	Cont N62

On models 20, 20K, 22, 22K, 44, 44K, 44B, 44D, 44/60G, 55, 55K,

55B, 55D, the coded suffix letters of serial numbers are explained below.

A	High Altitude Engine		K	Low Grade Fuel
B	Butane (LP) Fuel		O	Orchard
D	Diesel Fuel		R	Row Crop
F	Foot Clutch		S	Standard
G	Gasoline		V	Vineyard
H	Hand Clutch		W	Wide Axle

Serial Numbers by Model