Hart-Parr
Hart-Parr 12-24
The Hart-Parr 12-24 is a standard-tread farm tractor produced from 1924 to 1930 by Hart-Parr in Charles City, Iowa, USA. It was originally priced at $1,050 in 1930. The tractor features two engine options: a 5.1L and a 5.5L 2-cylinder liquid-cooled gasoline engine, both rated at 850 RPM. Power output ranges from 12 hp drawbar claimed to 26.97 hp belt tested. Transmission options include 2-speed and 3-speed gearboxes with forward and reverse gears. The tractor weighs 4440 lbs and rides on steel tires sized 28x5 front and 46x10 rear. It has two-wheel drive, manual steering, and an open operator station.
Power26 hp[B]
Founded1924 - 1930
Model12-24
Technical Specifications
Detailed specifications and technical data for Hart-Parr 12-24
Power
| Belt (tested) | 26.97 hp (20.1 kW) |
|---|---|
| Belt (claimed) | 24 hp (17.9 kW) |
| Drawbar (tested) | 17.54 hp (13.1 kW) |
| Drawbar (claimed) | 12 hp (8.9 kW) |
Tires
| Rear tire | 46x10 (steel) |
|---|---|
| Front tire | 28x5 (steel) |
Engine
| Cooling | liquid-cooled |
|---|---|
| Cylinders | 2-cylinder |
| Fuel type | gasoline |
| Engine options | Hart-Parr 5.1L 2-cyl gasoline, Hart-Parr 5.5L 2-cyl gasoline |
| Hart-Parr 5.1L 2-cyl gasoline | Displacement 308.9 ci (5.1 L), Bore/Stroke 5.50x6.50 inches (140 x 165 mm), Rated RPM 850 |
| Hart-Parr 5.5L 2-cyl gasoline | Displacement 337.6 ci (5.5 L), Bore/Stroke 5.75x6.50 inches (146 x 165 mm), Rated RPM 850 |
Dimensions
| Width | 66 inches (167 cm) |
|---|---|
| Height | 56 inches (142 cm) |
| Length | 116 inches (294 cm) |
| Weight | 4440 lbs (2013 kg) |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Steering | Manual steering |
| Operator station | Open operator station |
Production
| Type | Standard-tread tractor |
|---|---|
| Built in | Charles City, Iowa, USA |
| Manufacturer | Hart-Parr |
| Original price | $1,050 in 1930 |
| Years produced | 1924 - 1930 |
Transmission
| 2-speed gear | Type gear, Gears 2 forward and 1 reverse |
|---|---|
| 3-speed gear | Type gear, Gears 3 forward and 1 reverse |
| Transmission options | 2-speed gear, 3-speed gear |