Compare/Hart-Parr 28-44 vs Hart-Parr 40-80

Hart-Parr 28-44 vs Hart-Parr 40-80

Verdict: Hart-Parr 28-44 vs Hart-Parr 40-80

The Hart-Parr 28-44 and the Hart-Parr 40-80 are both tractors — here is how they stack up on the figures that matter. Hart-Parr 40-80 leads on rated power with 110 hp against 22 hp. Hart-Parr 28-44 is the lighter machine (5,565 kg vs 15,422 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Hart-Parr 28-44 is the newer design (1930 vs 1908). In short: choose the Hart-Parr 40-80 for outright pulling power, or the Hart-Parr 28-44 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Hart-Parr

Fit score

Clear

Hart-Parr

Fit score

Best match

Clear

Rated power

22 hp

110 hp

Confidence

40%

Guide price

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Overview

Manufacturer

Hart-Parr (a part of Oliver)Reference

Hart-ParrReference

Gear 1 used for pull test.Reference

liquid-cooledReference

Total built

—

10Reference

Drive

—

2WDReference

Steering

—

manualReference

Engine

Fuel tank

128.7 LReference

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Drawbar (claimed)

16.4 kWReference

29.8 kWReference

Belt (claimed)

32.8 kWReference

59.7 kWReference

Plows

3-5Reference

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Drawbar (tested)

25.5 kWReference

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Belt (tested)

36.6 kWReference

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Displacement

7.3 LReference

54.2 LReference

Bore/Stroke

121 x 159 mmReference

229 x 330 mmReference

Rated RPM

1125Reference

—

Coolant capacity

39.7 LReference

—

Belt power (max)

36.6 kWReference

—

Max power

25.5 kWReference

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Engine

—

82.0 kWReference

Power

—

82.0 kWReference

Transmission

Type

gearReference

—

Gears

3 forward and 1 reverseReference

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PTO & Hydraulics

Rear PTO Type

540Reference

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Dimensions

Wheelbase

203 cmReference

—

Weight

5565 to 6415 poundsReference

15422 kgReference

Front tire

29x6Reference

—

Rear tire

46x12 (steel)Reference

98x28Reference

Ag front

29x6 (steel)Reference

—

Ag rear

46x12 (steel)Reference

98x28 (steel)Reference

Length

319 cmReference

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Height (hood)

151 cmReference

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Shipping weight

2524 kgReference

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Operating weight

2909 kgReference

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28-44 Serial Numbers

1930

500001Reference

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1931

503599Reference

—

1932

506185Reference

—

1933

506212Reference

—

1934

506255Reference

—

1935

506401Reference

—

1936

507176Reference

—

1937

508016Reference

—

Final

508917Reference

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Capacities

Diameter

42 cmReference

—

Width

165 cmReference

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RPM

596Reference

—

Speed

792.48 meters/minReference

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Test results

Belt fuel use (max)

18.5 l/hourReference

—

Max pull

2320 kgReference

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Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.