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Northeast Massey Collectors
Serial Numbers
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General purpose 4-wheel drive
The first MH developed tractor was the 1930 General purpose 4-wheel drive.
Production numbers were less than 3,000.
Serial numbers.
1930. 300,001-300,428 1931. 300,429-300,857 1932. 300,858-301,287 1933. 301,288- 301,717 1934. 301,718-302,146 1935. 302,147-302,575. 1936. 302,576-302,999
MH Model 25 (Unstyled)
The MH Model 25 was first introduce as the Wallis 20-30.
Production numbers 1932-1938 14,112
Serial numbers
1933: 69,001-69,699 1934: 69,700-70,398 1935: 70,399-71,097 1936:71,098-71,798 1937:71,799-72,804 1938:72,805-73,111
MH Pacemaker Model (Unstyled)
The MH Pacemaker began life as the model 12-20 Wallis.
Production numbers 1936 -1937: 2,837
Serial numbers
1936: 107,001-108,419 1937: 108,420-109,837
Orchard 1936: 200,251-200,402 Vineyard 1936: 200,001-200,250
MH Challenger CH (Unstyled) -
This was MH first crop row model. The Challenger used the same engine and transmission as the 12-20 Wallis.
Production numbers 1936 -1937: 3,366
Serial numbers
1936 -1937: 103,001-133,366
MH Twin Power Pacemaker (Styled)
The MH Pacemaker began life as the model 12-20 Wallis.
Production numbers 1936 -1937: 2,837
Serial numbers
1936: 107,001-108,419 1937: 108,420-109,837
Orchard 1936: 200,251-200,402 Vineyard 1936: 200,001-200,250
General purpose 4-wheel drive
In 1936 an improved version of the 1930 GP was offered with an Hercules overhead valve engine.
Production numbers 1936 -1938: Unknown
Serial numbers
1936 - 1938: 303,001-355,000
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MH Twin Power Challenger (Styled)
This was an updated version of the unstyled challenger.
Production numbers 1937 -1939: Unknown
Serial numbers
Gas 1937 - 1939: 133,367-140,00
Distillate 1937 - 1939: 140,001 - 144,000