Equipment

Brands

Hart-Parr 20 Tractor (1920-1924)

Manufacturer:

Hart-Parr

Price:

1,195(USD)

Series:

Model:

20

Factory:

Charles City, Iowa, USA

Full Specifications

NEBRASKA TRACTOR TEST 79

Description

Kerosene 2-speed 2WD/June 11 - 17, 1921/Link: Nebraska Tractor Test 79 file/Drawbar performance

Belt power (max)

23.01 hp/17.2 kW

Max power

14.08 hp/10.5 kW

Max pull

2500 lbs/1134 kg

HART-PARR 20 POWER

Drawbar (claimed)

10 hp/7.5 kW

Belt (claimed)

20 hp/14.9 kW

Drawbar (tested)

14.08 hp/10.5 kW

Belt (tested)

23.01 hp/17.2 kW

ENGINES OVERVIEW

Description

Hart-Parr 4.6L 2-cyl gasoline/Hart-Parr 5.1L 2-cyl

ENGINE DETAIL 1

Description

Hart-Parr/gasoline/2-cylinder/liquid-cooled

Displacement

281.4 ci/4.6 L

Bore/Stroke

5.25x6.50 inches/133 x 165 mm

Rated RPM

800

ENGINE DETAIL 2

Description

Hart-Parr/2-cylinder/liquid-cooled/The larger engine was used in the model 20C beginning at tractor serial number 35501.

Displacement

309 ci/5.1 L

Bore/Stroke

5.50x6.50 inches/140 x 165 mm

HART-PARR 20 ENGINES

Description

Hart-Parr 4.6L 2-cyl gasoline/Hart-Parr 5.1L 2-cyl

TRANSMISSION

Type

gear

Gears

2 forward and 1 reverse

MECHANICAL

Chassis

4x2 2WD

Final drives

bull gear

Steering

manual

Cab

Open operator station.

Transmission

2-speed gear

HART-PARR 20 TIRES

Ag front

28x5 steel

Ag rear

46x10 steel

DIMENSIONS

Weight

4440 lbs/2013 kg

DIMENSIONS & TIRES

Weight

4440 lbs/2013 kg

Front tire

28x5

Rear tire

46x10

20 SERIAL NUMBERS

1920

35001

1921

35025

1922

35501 (20C)

1923

35522 (20C)

1924

35750 (20C)