Hart-Parr 28-44

Hart-Parr 28-44 Technical Specifications

Hart-Parr 28-44 is a Row-Crop tractor that was produced by the John Deere between 1930 – 1937.

Below you will find detailed technical specifications for Hart-Parr 28-44 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 28-44 Production

Manufacturer: Hart-Parr (a part of Oliver)
Type: Standard-tread tractor
Factory: Charles City, Iowa, USA

Hart-Parr 28-44 Power

Drawbar (claimed): 22 hp
16.4 kW
Belt (claimed): 44 hp
32.8 kW
Plows: 3-5
Drawbar (tested): 34.21 hp
25.5 kW
Belt (tested): 49.04 hp
36.6 kW

Hart-Parr 28-44 Mechanical

Chassis: 4×2 2WD
Steering: manual
Cab: Open operator station.
Transmission: 3-speed gear

Power Take-off (PTO)

Rear RPM: 540

Hart-Parr 28-44 Engine detail

Engine Detail
Displacement: 443 ci
7.3 L
Bore/Stroke: 4.75×6.25 inches
121 x 159 mm
Rated RPM: 1125
Coolant capacity: 42 qts
39.7 L

Hart-Parr 28-44 Transmission overview

Engine Oil

Type: gear
Gears: 3 forward and 1 reverse

Hart-Parr 28-44 Dimensions

Wheelbase: 80 inches
203 cm
Length: 125.75 inches
319 cm
Width: 65 inches
165 cm
Height (hood): 59.5 inches
151 cm
Shipping weight: 5565 lbs
2524 kg
Operating weight: 6415 lbs
2909 kg

Hart-Parr 28-44 Tests

Nebraska Tractor Test 183
Kerosene 3-speed 2WD
October 13 – 27, 1930
Link: Nebraska Tractor Test 183 file
Belt power (max): 49.04 hp
36.6 kW
Belt fuel use (max): 4.9 gal/hour
18.5 l/hour
Drawbar performance
Max power: 34.21 hp
25.5 kW
Gear 2 used for power test.
Max pull: 5,116 lbs
2320 kg
Gear 1 used for pull test.


Is Hart-Parr 28-44 a good tractor?

The Hart-Parr 28-44 is one of the great tractors in the Hart-Parr (a part of Oliver) stable, and it has earned Hart-Parr (a part of Oliver) a fantastic reputation.

How much oil does a Hart-Parr 28-44 take?

Check out the Hart-Parr 28-44 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 (a part of Oliver) made the 18-28

The Hart-Parr 28-44 was an agricultural tractor model made from 1930 – 1937

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