Hart-Parr 20

Hart-Parr 20 Technical Specifications

Hart-Parr 20 is a Row-Crop tractor that was produced by the John Deere between 1920 – 1924.

Below you will find detailed technical specifications for Hart-Parr 20 covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

Hart-Parr 20 Production

Manufacturer: Hart-Parr
Type: Standard-tread tractor
Factory: Charles City, Iowa, USA
Original price: $1,195 (1924 )

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

Hart-Parr 20 Mechanical

Chassis: 4×2 2WD
Final drives: bull gear
Steering: manual
Cab: Open operator station.
Transmission: 2-speed gear

Hart-Parr 20 Engine detail

Engine Detail
Displacement: 281.4 ci
4.6 L
Bore/Stroke: 5.25×6.50 inches
133 x 165 mm
Rated RPM: 800

Hart-Parr 20 Transmission overview

Engine Oil

Type: gear
Gears: 2 forward and 1 reverse

Hart-Parr 20 Dimensions

Weight: 4440 lbs
2013 kg

Hart-Parr 20 Tests

Nebraska Tractor Test 79
Kerosene 2-speed 2WD
June 11 – 17, 1921
Link: Nebraska Tractor Test 79 file
Belt power (max): 23.01 hp
17.2 kW
Drawbar performance
Max power: 14.08 hp
10.5 kW
Max pull: 2500 lbs
1134 kg


Is Hart-Parr 20 a good tractor?

The Hart-Parr 20 is one of the great tractors in the Hart-Parr stable, and it has earned Hart-Parr a fantastic reputation.

How much oil does a Hart-Parr 20 take?

Check out the Hart-Parr 20 oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.

Do tractors have VIN numbers?

Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.

What was the last year Hart-Parr made the ?

The Hart-Parr 20 was an agricultural tractor model made from 1920 – 1924

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