Compare/Hart-Parr 18-28 vs Hart-Parr 40

Hart-Parr 18-28 vs Hart-Parr 40

Verdict: Hart-Parr 18-28 vs Hart-Parr 40

The Hart-Parr 18-28 and the Hart-Parr 40 are both tractors — here is how they stack up on the figures that matter. Hart-Parr 40 leads on rated power with 22 hp against 18 hp. Hart-Parr 40 is the lighter machine (3,402 kg vs 3,800 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Hart-Parr 18-28 is the newer design (1930 vs 1923). In short: choose the Hart-Parr 40 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

Hart-ParrReference

Gear 1 used for pull test.Reference

Drawbar performanceReference

Variants

18-27

row-cropReference

—

18-28

standardReference

—

Engine

Fuel tank

53.0 LReference

—

Aux. fuel

3.8 LReference

—

Drawbar (claimed)

13.4 kWReference

16.4 kWReference

Belt (claimed)

20.9 kWReference

29.8 kWReference

Drawbar (tested)

17.6 kWReference

21.1 kWReference

Belt (tested)

22.6 kWReference

34.6 kWReference

Displacement

4.6 LReference

10.1 LReference

Bore/Stroke

105 x 133 mmReference

140 x 165 mmReference

Coolant capacity

30.3 LReference

—

Belt power (max)

22.6 kWReference

34.6 kWReference

Max power

17.6 kWReference

21.1 kWReference

Rated RPM

—

800Reference

Transmission

Type

gearReference

Gears

3 forward and 1 reverseReference

2 forward and 1 reverseReference

Clutch

—

mechanical contracting bandReference

Dimensions

Wheelbase

184 cmReference

—

Weight

3800 to 4165 poundsReference

3402 kgReference

Front tire

28x5Reference

Rear tire

44x10Reference

52x13Reference

Ag front

28x5Reference

28x5 (steel)Reference

Ag rear

44x10Reference

52x13 (steel)Reference

Length

284 cmReference

355 cmReference

Height (hood)

135 cmReference

—

Shipping weight

1723 kgReference

—

Operating weight

1889 kgReference

—

Height

—

170 cmReference

Capacities

Diameter

36 cmReference

35 cmReference

Width

154 cmReference

243 cmReference

RPM

726Reference

800Reference

Speed

825.70 meters/minReference

838.20 meters/minReference

Test results

Belt fuel use (max)

11.4 l/hourReference

23.8 l/hourReference

Max pull

1470 kgReference

2190 kgReference

40 Serial Numbers

1923

—

70001Reference

1924

—

70020Reference

1925

—

70095Reference

1926

—

70251Reference

1927

—

70491Reference

Final

—

70500Reference

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.