Full Specifications
NEBRASKA TRACTOR TEST 79
Description
Kerosene 2-speed 2WD/June 11 - 17, 1921/Link: Nebraska Tractor Test 79 file/Drawbar performance
Belt power (max)
23.01 hp/17.2 kW
Max power
14.08 hp/10.5 kW
Max pull
2500 lbs/1134 kg
HART-PARR 20 POWER
Drawbar (claimed)
10 hp/7.5 kW
Belt (claimed)
20 hp/14.9 kW
Drawbar (tested)
14.08 hp/10.5 kW
Belt (tested)
23.01 hp/17.2 kW
ENGINES OVERVIEW
Description
Hart-Parr 4.6L 2-cyl gasoline/Hart-Parr 5.1L 2-cyl
ENGINE DETAIL 1
Description
Hart-Parr/gasoline/2-cylinder/liquid-cooled
Displacement
281.4 ci/4.6 L
Bore/Stroke
5.25x6.50 inches/133 x 165 mm
Rated RPM
800
ENGINE DETAIL 2
Description
Hart-Parr/2-cylinder/liquid-cooled/The larger engine was used in the model 20C beginning at tractor serial number 35501.
Displacement
309 ci/5.1 L
Bore/Stroke
5.50x6.50 inches/140 x 165 mm
HART-PARR 20 ENGINES
Description
Hart-Parr 4.6L 2-cyl gasoline/Hart-Parr 5.1L 2-cyl
TRANSMISSION
Type
gear
Gears
2 forward and 1 reverse
MECHANICAL
Chassis
4x2 2WD
Final drives
bull gear
Steering
manual
Cab
Open operator station.
Transmission
2-speed gear
HART-PARR 20 TIRES
Ag front
28x5 steel
Ag rear
46x10 steel
DIMENSIONS
Weight
4440 lbs/2013 kg
DIMENSIONS & TIRES
Weight
4440 lbs/2013 kg
Front tire
28x5
Rear tire
46x10
20 SERIAL NUMBERS
1920
35001
1921
35025
1922
35501 (20C)
1923
35522 (20C)
1924
35750 (20C)
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