Massey-Harris Challenger tractor specifications

1936 - 1939

1936 - 1939 Row-Crop tractor

Production

Production Manufacturer:Massey-Harris
Type:Row-Crop tractor
Factory:Racine, Wisconsin, USA
Total built:14,000
The Massey-Harris Challenger was the row-crop version of the Pacemaker. These tractors replaced the Wallis 12/20 in Massey's line. The Twin Power feature increased engine rpms to provide additional horsepower for belt work.

Massey-Harris Challenger Power

Massey-Harris Challenger Power Drawbar (claimed):20 hp
14.9 kW
Belt (claimed):32 hp
23.9 kW
Drawbar (tested):29.8 hp
22.2 kW
Belt (tested):34.9 hp
26.0 kW
power test details ...

1936 - 1939

Row-Crop tractor

Nebraska Tractor Test 293

Nebraska Tractor Test 293
Gasoline October 1937
Belt power (max):	34.9 hp 26.0 kW
Belt fuel use (max):	3.7 gal/hour 14.0 l/hour
Drawbar performance
Max power:	29.8 hp 22.2 kW

Massey-Harris Challenger Engine

Massey-Harris Challenger Engine Massey-Harris 4.1L 4-cyl gasoline Fuel tank:18 gal
68.1 L
Aux. fuel:1.6 gal
6.1 L
Engine details ...

1936 - 1939

Row-Crop tractor

Engine Detail

Engine Detail
Massey-Harris
gasoline
4-cylinder
liquid-cooled vertical I-head
Displacement:	247.7 ci 4.1 L
Bore/Stroke:	3.875x5.25 inches 98 x 133 mm
Rated RPM:	1200
	1400*Twin Power option.
Coolant capacity:	20 qts 18.9 L