Massey-Harris

Massey-Harris 101 Senior

The Massey-Harris 101 Senior was produced from 1942 to 1946 as a row-crop tractor built in Racine, Wisconsin, USA. It was similar to the 101 Super but featured a Continental engine instead of the Chrysler engine. It has a 40.0 hp estimated engine power and was originally priced at $1,300 in 1946. The tractor features a Continental F226 3.7L 6-cylinder gasoline engine, a 4-speed gear transmission, and two-wheel drive with manual steering. It has a rear PTO with 540 rpm and weighs approximately 4000 lbs (1814 kg).

Power40 hp[B]

Founded1942 - 1946

Model101 Senior

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Technical Specifications

Detailed specifications and technical data for Massey-Harris 101 Senior

Power

Plows	3
Belt (claimed)	36 hp (26.8 kW)
Drawbar (claimed)	26 hp (19.4 kW)

Tires

Ag rear	11-38
Ag front	6.00-16, 10-38
Standard front	11-26, 12-26

Engine

Type	gasoline
Model	Continental F226
Cooling	liquid-cooled vertical L-head
Cylinders	6-cylinder
Fuel tank	18 gal (row-crop) / 14 gal (standard)
Rated RPM	1500 (1800 Twin Power)
Sparkplug	Champion 8
Air cleaner	oil bath
Bore/Stroke	3.3125x4.375 inches (84 x 111 mm)
Displacement	226 ci (3.7 L)
Firing order	1-5-3-6-2-4
Oil capacity	5 qts (4.7 L)
Sparkplug gap	0.025 inches (0.635 mm)
Starter volts	6
Coolant capacity	14 qts (13.2 L)
Compression ratio	6:1

Features

Drive	Two-wheel drive
Brakes	Mechanical internal expanding brakes
Steering	Manual steering
Operator station	Open operator station

Dimensions

Width	68.5 inches (row-crop) / 66.25 inches (standard) (173 cm / 168 cm)
Length	133 inches (row-crop) / 126.25 inches (standard) (337 cm / 320 cm)
Weight	4000 lbs (1814 kg)
Rear tread	52 to 88 inches (132 to 223 cm) (row-crop) / 52 inches (132 cm) (standard)
Height (steering wheel)	71.5 inches (row-crop) / 63.25 inches (standard) (181 cm / 160 cm)

Electrical

Ground	positive
Battery volts	6
Charging system	generator

Production

Type	Row-Crop tractor
Notes	The Massey-Harris 101 Senior was similar to the 101 Super, but with a Continental engine instead of the Chrysler engine.
Built in	Racine, Wisconsin, USA
Years made	1942 - 1946
Manufacturer	Massey-Harris
Original price	$1,300 in 1946

Belt Pulley

RPM	698 (837 Twin Power)
Speed	2465 ft/min (751.33 meters/min), 2960 ft/min (902.21 meters/min) Twin Power
Width	6.25 inches (15 cm)
Diameter	13.5 inches (34 cm)

Transmission

Type	gear
Gears	4 forward and 1 reverse
Clutch	dry disc
Oil capacity	24 qts (22.7 L)

Serial Numbers

1942	259762 (row-crop), 358869 (standard)
1943	260430 (row-crop), 358975 (standard)
1944	260796 (row-crop), 359458 (standard)
1945	263020 (row-crop), 360927 (standard)
1946	270145 (row-crop), 362520 (standard)
Serial number plate location	On the left side of the 101 frame, near the transmission case.

Power Take-off (PTO)