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Years in Production / 1920–1924
Hart-Parr
20
Explore the specifications, hardware, and original references for the Hart-Parr 20.
No photo
22hp
Engine estimate · from belt
2WD Only
Drive
1920–1924
Production years
Hart-Parr
Manufacturer
20 / 01
At a glance
Production
Standard-tread tractor
Built in Charles City, Iowa, USA
Original price was $1,195 in 1924
- Manufacturer
- Hart-Parr
Mechanical
Two-wheel drive
Manual steering
Open operator station.
- Final Drives
- bull gear
20 / 02
Under the hood
Engine Detail (Option 1)
Hart-Parr
gasoline
2-cylinder
liquid-cooled
- Displacement
- 281.4 ci4.6 L
- Bore Stroke
- 5.25x6.50 inches133 x 165 mm
- Rated Rpm
- 800
- Fuel Type
- gasoline
- Cylinders
- 2
- Cooling
- liquid-cooled
Engine Detail (Option 2)
Hart-Parr
2-cylinder
liquid-cooled
The larger engine was used in the model 20C beginning at tractor serial number 35501.
- Displacement
- 309 ci5.1 L
- Bore Stroke
- 5.50x6.50 inches140 x 165 mm
- Cylinders
- 2
- Cooling
- liquid-cooled
20 / 03
Gears & controls
Transmission
- Transmission Type
- gear
- Gears
- 2 forward and 1 reverse
20 / 04
Size. Stance. Footprint.
Dimensions And Tires
- Weight
- 4440 lbs2013 kg
- Front Tire
- 28x5
- Rear Tire
- 46x10
Tires And Tracks
- Front Ag
- 28x5 steel
- Rear Ag
- 46x10 steel
20 / 05
Tests (NTTL)
Nebraska Tractor Test 79Nebraska test report ↗
Kerosene 2-speed 2WDJune 11 - 17, 1921
Drawbar performance
- Id
- 79
- Belt Power Max
- 23.01 hp17.2 kW
- Max Power
- 14.08 hp10.5 kW
- Max Pull
- 2500 lbs1134 kg