Tractors > Massey-Harris > 101 Senior

Massey-Harris 101 Senior



Massey-Harris 101 Senior tractor photo
1942 - 1946
Row-Crop tractor
Series map:
101 Senior
40.0hp*
*Estimated engine power for comparison only.
Production
ManufacturerMassey-Harris
Row-Crop tractor
Built in Racine, Wisconsin, USA
Original price was $1,300 in 1946
The Massey-Harris 101 Senior was similar to the 101 Super, but with a Continental engine instead of the Chrysler engine.
Variants
101gasoline engine
102distillate engine
Massey-Harris 101 Senior Engine
Continental 3.7L 6-cyl gasoline
Fuel tank18 gal (row-crop)
68.1 L
 14 gal (standard)
53.0 L
Engine details ...
Massey-Harris 101 Senior Transmission
4-speed gear
Transmission details ...
Massey-Harris 101 Senior Power
Drawbar (claimed)26 hp
19.4 kW
Belt (claimed)36 hp
26.8 kW
Plows3
Mechanical
Two-wheel drive
Manual steering
Mechanical internal expanding brakes
Open operator station.
Photos
Massey-Harris 101 Senior row-crop tractor.
Massey-Harris 101 Senior photos...
Power Take-off (PTO)
Rear PTOtransmission
Rear PTO Type540 (1.375)
Engine RPM557@1500
Dimensions & Tires
Weight4000 lbs
1814 kg
Front tire6.00-16
Rear tire11-38
Full dimensions and tires ...
101 Senior Serial Number Location
Massey-Harris 101 Senior serial number location
Serial number plate on the left side of the 101 frame, near the transmission case.
101 Senior Serial Numbers
1942259762 (row-crop)
1943260430 (row-crop)
1944260796 (row-crop)
1945263020 (row-crop)
1946270145 (row-crop)
1942358869 (standard)
1943358975 (standard)
1944359458 (standard)
1945360927 (standard)
1946362520 (standard)

FAQ: How to read a serial number table.
Belt Pulley
Diameter13.5 inches
34 cm
Width6.25 inches
15 cm
RPM698
 837 (Twin Power)
Speed2465 ft/min
751.33 meters/min
 2960 ft/min (Twin Power)
902.21 meters/min
Electrical
Groundpositive
Charging systemgenerator
Battery volts6
References
101 Senior references literature
Operating Instructions and Service Manual for Massey-Harris 101 Senior Tractors (193-2M-7-50-S) published in 1944
Page information
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Peter Easterlund - owner/author
This machine's data modified on November 19, 2025
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