Compare/Hart-Parr 28-44 vs Hart-Parr 28-50

Hart-Parr 28-44 vs Hart-Parr 28-50

Verdict: Hart-Parr 28-44 vs Hart-Parr 28-50

The Hart-Parr 28-44 and the Hart-Parr 28-50 are both tractors — here is how they stack up on the figures that matter. Hart-Parr 28-50 leads on rated power with 28 hp against 22 hp. Hart-Parr 28-50 is the lighter machine (3,900 kg vs 5,565 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 1927). In short: choose the Hart-Parr 28-50 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

Best match

Clear

Hart-Parr

Fit score

Best match

Clear

Rated power

22 hp

28 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Hart-Parr (a part of Oliver)Reference

Hart-ParrReference

Gear 1 used for pull test.Reference

Drawbar performanceReference

Engine

Fuel tank

128.7 LReference

—

Drawbar (claimed)

16.4 kWReference

20.9 kWReference

Belt (claimed)

32.8 kWReference

37.3 kWReference

Plows

3-5Reference

—

Drawbar (tested)

25.5 kWReference

34.3 kWReference

Belt (tested)

36.6 kWReference

48.1 kWReference

Displacement

7.3 LReference

11.1 LReference

Bore/Stroke

121 x 159 mmReference

146 x 165 mmReference

Rated RPM

1125Reference

850Reference

Coolant capacity

39.7 LReference

—

Belt power (max)

36.6 kWReference

48.1 kWReference

Max power

25.5 kWReference

34.3 kWReference

Air cleaner

—

dryReference

Transmission

Type

gearReference

Gears

3 forward and 1 reverseReference

2 forward and 1 reverseReference

Clutch

—

mechanical dry discReference

PTO & Hydraulics

Rear PTO Type

540Reference

—

Dimensions

Wheelbase

203 cmReference

—

Weight

5565 to 6415 poundsReference

3900 kgReference

Front tire

29x6Reference

28x7Reference

Rear tire

46x12 (steel)Reference

51x14Reference

Ag front

29x6 (steel)Reference

28x7 steelReference

Ag rear

46x12 (steel)Reference

51x14 steelReference

Length

319 cmReference

—

Height (hood)

151 cmReference

—

Shipping weight

2524 kgReference

—

Operating weight

2909 kgReference

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28-44 Serial Numbers

1930

500001Reference

71402Reference

1931

503599Reference

—

1932

506185Reference

—

1933

506212Reference

—

1934

506255Reference

—

1935

506401Reference

—

1936

507176Reference

—

1937

508016Reference

—

Final

508917Reference

—

Capacities

Diameter

42 cmReference

—

Width

165 cmReference

—

RPM

596Reference

—

Speed

792.48 meters/minReference

—

Test results

Belt fuel use (max)

18.5 l/hourReference

—

Max pull

2320 kgReference

3332 kgReference

28-50 Serial Numbers

1927

—

70501Reference

1928

—

70742Reference

1929

—

70968Reference

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.