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TractorStack.Hart-Parr 28-50 Australian Special tractor VA1 — Acroterion, CC BY-SA 4.0. Resized; converted to WebP. · Acroterion · CC BY-SA 4.0 commons.wikimedia.org source ↗ Hart-Parr 28-50 Australian Special tractor VA1 — Acroterion, CC BY-SA 4.0. Resized; converted to WebP. · Acroterion · CC BY-SA 4.0 commons.wikimedia.org source ↗
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Years in Production / 1927–1930
Hart-Parr
28-50
Explore the specifications, hardware, and original references for the Hart-Parr 28-50.
55hp
Engine estimate · from belt
2WD Only
Drive
1927–1930
Production years
Hart-Parr
Manufacturer
28-50 / 01
At a glance
Production
Standard-tread tractor
Built in Charles City, Iowa, USA
Original price was $2,085 in 1930
- Manufacturer
- Hart-Parr
Mechanical
Two-wheel drive
Manual steering
Open operator station.
28-50 / 02
Under the hood
Engine Detail
Hart-Parr
gasoline
4-cylinder
liquid-cooled
- Displacement
- 675.1 ci11.1 L
- Bore Stroke
- 5.75x6.50 inches146 x 165 mm
- Air Cleaner
- dry
- Rated Rpm
- 850
- Fuel Type
- gasoline
- Cylinders
- 4
- Cooling
- liquid-cooled
28-50 / 03
Gears & controls
Transmission
- Transmission Type
- gear
- Gears
- 2 forward and 1 reverse
- Clutch
- mechanical dry disc
28-50 / 04
Size. Stance. Footprint.
Dimensions And Tires
- Weight
- 8600 lbs3900 kg
- Front Tire
- 28x7
- Rear Tire
- 51x14
Tires And Tracks
- Front Ag
- 28x7 steel
- Rear Ag
- 51x14 steel
28-50 / 05
Tractor Photos
28-50 / 06
Tests (NTTL)
Nebraska Tractor Test 140Nebraska test report ↗
Kerosene 2-speed 2WDAugust 17 - 31, 1927
Drawbar performance
- Id
- 140
- Belt Power Max
- 64.56 hp48.1 kW
- Max Power
- 46.03 hp34.3 kW
- Max Pull
- 7347 lbs3332 kg