Compare/Hart-Parr 18-28 vs Hart-Parr 28-44

Hart-Parr 18-28 vs Hart-Parr 28-44

Verdict: Hart-Parr 18-28 vs Hart-Parr 28-44

The Hart-Parr 18-28 and the Hart-Parr 28-44 are both tractors — here is how they stack up on the figures that matter. Hart-Parr 28-44 leads on rated power with 22 hp against 18 hp. Hart-Parr 18-28 is the lighter machine (3,800 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 holds more fuel (128.7 L vs 53.0 L) for longer stints between fills. In short: choose the Hart-Parr 28-44 for outright pulling power, or the Hart-Parr 18-28 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

18 hp

22 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Hart-Parr (a part of Oliver)Reference

Gear 1 used for pull test.Reference

Variants

18-27

row-cropReference

—

18-28

standardReference

—

Engine

Fuel tank

53.0 LReference

128.7 LReference

Aux. fuel

3.8 LReference

—

Drawbar (claimed)

13.4 kWReference

16.4 kWReference

Belt (claimed)

20.9 kWReference

32.8 kWReference

Drawbar (tested)

17.6 kWReference

25.5 kWReference

Belt (tested)

22.6 kWReference

36.6 kWReference

Displacement

4.6 LReference

7.3 LReference

Bore/Stroke

105 x 133 mmReference

121 x 159 mmReference

Coolant capacity

30.3 LReference

39.7 LReference

Belt power (max)

22.6 kWReference

36.6 kWReference

Max power

17.6 kWReference

25.5 kWReference

Plows

—

3-5Reference

Rated RPM

—

1125Reference

Transmission

Type

gearReference

Gears

3 forward and 1 reverseReference

Dimensions

Wheelbase

184 cmReference

203 cmReference

Weight

3800 to 4165 poundsReference

5565 to 6415 poundsReference

Front tire

28x5Reference

29x6Reference

Rear tire

44x10Reference

46x12 (steel)Reference

Ag front

28x5Reference

29x6 (steel)Reference

Ag rear

44x10Reference

46x12 (steel)Reference

Length

284 cmReference

319 cmReference

Height (hood)

135 cmReference

151 cmReference

Shipping weight

1723 kgReference

2524 kgReference

Operating weight

1889 kgReference

2909 kgReference

Capacities

Diameter

36 cmReference

42 cmReference

Width

154 cmReference

165 cmReference

RPM

726Reference

596Reference

Speed

825.70 meters/minReference

792.48 meters/minReference

Test results

Belt fuel use (max)

11.4 l/hourReference

18.5 l/hourReference

Max pull

1470 kgReference

2320 kgReference

PTO & Hydraulics

Rear PTO Type

—

540Reference

28-44 Serial Numbers

1930

—

500001Reference

1931

—

503599Reference

1932

—

506185Reference

1933

—

506212Reference

1934

—

506255Reference

1935

—

506401Reference

1936

—

507176Reference

1937

—

508016Reference

Final

—

508917Reference

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.