Hart-Parr 40 Tractor (1923-1927)
Manufacturer:Hart-Parr
Price:2,250(USD)
Series:
Model:40
Equipment Type: Standard-Tread Tractors
Factory:Charles City, Iowa, USA
Full Specifications
NEBRASKA TRACTOR TEST 97
- Description
- Kerosene 2-speed 2WD/July 10 - 19, 1923/Link: Nebraska Tractor Test 97 file/Drawbar performance
- Belt power (max)
- 46.40 hp/34.6 kW
- Belt fuel use (max)
- 6.3 gal/hour/23.8 l/hour
- Max power
- 28.23 hp/21.1 kW
- Max pull
- 4830 lbs/2190 kg
HART-PARR 40 POWER
- Drawbar (claimed)
- 22 hp/16.4 kW
- Belt (claimed)
- 40 hp/29.8 kW
- Drawbar (tested)
- 28.23 hp/21.1 kW
- Belt (tested)
- 46.40 hp/34.6 kW
ENGINE DETAIL
- Description
- Hart-Parr/gasoline/4-cylinder/liquid-cooled/The Hart-Parr 22-40 used a pair of two-cylinder engine blocks from the 20C on a single crankshaft to create the four-cylinder engine. Early models used two carburetors while later models had a single carburetor to feed both blocks.
- Displacement
- 617.7 ci/10.1 L
- Bore/Stroke
- 5.50x6.50 inches/140 x 165 mm
- Rated RPM
- 800
HART-PARR 40 ENGINE
- Description
- Hart-Parr 10.1L 4-cyl gasoline
TRANSMISSION
- Type
- gear
- Gears
- 2 forward and 1 reverse
- Clutch
- mechanical contracting band
MECHANICAL
- Chassis
- 4x2 2WD
- Steering
- manual
- Cab
- Open operator station.
- Transmission
- 2-speed gear
HART-PARR 40 TIRES
- Ag front
- 28x5 (steel)
- Ag rear
- 52x13 (steel)
DIMENSIONS
- Length
- 140 inches/355 cm
- Width
- 96 inches/243 cm
- Height
- 67 inches/170 cm
- Weight
- 7500 lbs/3402 kg
DIMENSIONS & TIRES
- Weight
- 7500 lbs/3402 kg
- Front tire
- 28x5
- Rear tire
- 52x13
40 SERIAL NUMBERS
- 1923
- 70001
- 1924
- 70020
- 1925
- 70095
- 1926
- 70251
- 1927
- 70491
- Final
- 70500
BELT PULLEY
- Diameter
- 14 inches/35 cm
- Width
- 9 inches/22 cm
- RPM
- 800
- Speed
- 2750 ft/min/838.20 meters/min
Standard-Tread Tractors
