Hart-Parr 18-36

The Hart-Parr 18-36 is a tractor produced by Hart Parr. It is equipped with a 501 ci 8.2 L engine. The rated power output is 42.85 hp 32.0 kW. Transmission: 3 forward and 1 reverse. Operating weight: 6100 lbs 2766 kg.

Overview

	1926 - 1930 Standard-tread tractor
1926 - 1930
Standard-tread tractor

Production
Manufacturer	Hart-Parr
Standard-tread tractor
Built in Charles City, Iowa, USA
Original price	$1350 (1930)
The Hart-Parr 18-36 was exported as a New Zealand and Australia Special outfitted for dry conditions. A different air cleaner was used and the exhaust was vented staight up off the engine.

Hart-Parr 18-36 Engine
Hart-Parr 8.2L 2-cyl gasoline
Engine details ...

Hart-Parr 18-36 Power
Drawbar (claimed)	18 hp 13.4 kW
Belt (claimed)	36 hp 26.8 kW
Drawbar (tested)	32.2 hp 24.0 kW
Belt (tested)	42.85 hp 32.0 kW
Performance test details ...

Mechanical
Two-wheel drive
Steering	manual
Open operator station.

Dimensions & Tires
Weight	6100 lbs 2766 kg
Front tire	28x5
Rear tire	51x12
Full dimensions and tires ...

Engine

Engine Detail — 501 ci / 8.2 L Gasoline

Manufacturer	Hart-Parr
Fuel Type	Gasoline
Configuration	2-cylinder, liquid-cooled
Displacement	501 ci 8.2 L
Bore/Stroke	6.75x7.00 inches 171 x 178 mm
Fuel system	Stromberg MB3 carburetor
Air cleaner	dry centrifugal
Rated RPM	800

Transmission

Transmission options
2-speed gear
3-speed

Transmission — 2 forward and 1 reverse gear

Type	gear
Gears	2 forward and 1 reverse
Clutch	dry disc

Transmission — 3 forward and 1 reverse

Gears

3 forward and 1 reverse

Dimensions

Hart-Parr 18-36 Tires
Ag front	28x5 (steel)
Ag rear	51x12 (steel)

Dimensions
Weight	6100 lbs 2766 kg

Tests

Nebraska Tractor Test 128
Distillate 2-speed 2WD October 18 - 25, 1926 Link: Nebraska Tractor Test 128 file
Belt power (max)	42.85 hp 32.0 kW
Belt fuel use (max)	5.0 gal/hour 18.9 l/hour
Drawbar performance
Max power	32.2 hp 24.0 kW
Max pull	4,075 lbs 1848 kg

Photos

Hart-Parr 18-36

Hart-Parr 18-36

Hart-Parr 18-36 New Zealand Special