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Massey-Harris Challenger

Massey-Harris Challenger tractor
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The Massey-Harris Challenger was produced from 1936 to 1939 as a row-crop tractor built in Racine, Wisconsin, USA. It was the row-crop version of the Pacemaker and replaced the Wallis 12/20 in Massey's line. Featuring the Twin Power option to increase engine RPMs for additional horsepower during belt work, it was powered by a 4.1L 4-cylinder gasoline engine with a 4-speed gear transmission. The tractor had a wheelbase of 78 inches, weighed 3900 lbs, and featured two-wheel drive with manual steering and an open operator station.
Massey-Harris ChallengerMassey-Harris tractorChallenger tractor specs1936 tractor1937 tractor1938 tractor1939 tractorrow-crop tractorfarm tractor
Power35 hp[B]
Founded1936 - 1939
ModelChallenger

Technical Specifications

Detailed specifications and technical data for Massey-Harris Challenger

Power

Belt (tested):34.9 hp (26.0 kW)
Belt (claimed):32 hp (23.9 kW)
Drawbar (tested):29.8 hp (22.2 kW)
Drawbar (claimed):20 hp (14.9 kW)

Tires

Ag rear:52x8.00 (steel), 11.25x36
Ag front:24x4.50 (steel), 5.50x16

Engine

Type:Massey-Harris 4.1L 4-cyl gasoline
Aux. fuel:1.6 gal (6.1 L)
Fuel tank:18 gal (68.1 L)
Rated RPM:1200, 1400 (Twin Power option)
Bore/Stroke:3.875x5.25 inches (98 x 133 mm)
Description:Liquid-cooled vertical I-head
Displacement:247.7 ci (4.1 L)
Coolant capacity:20 qts (18.9 L)

Dimensions

Height:58 inches (147 cm)
Length:129.3 inches (328 cm)
Weight:3900 lbs (1769 kg)
Wheelbase:78 inches (198 cm)

Mechanical

Drive:Two-wheel drive
Steering:manual
Operator station:Open operator station

Production

Type:Row-Crop tractor
Notes: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.
Built in:Racine, Wisconsin, USA
Total built:14,000
Manufacturer:Massey-Harris
Years produced:1936 - 1939

Transmission

Type:gear
Gears:4 forward and 1 reverse

Serial Number Location

Location:On side of main tractor frame