Compare/Hart-Parr 28-50 vs Hart-Parr Steel King

Hart-Parr 28-50 vs Hart-Parr Steel King

Verdict: Hart-Parr 28-50 vs Hart-Parr Steel King

The Hart-Parr 28-50 and the Hart-Parr Steel King 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 27 hp. Hart-Parr 28-50 is the lighter machine (3,900 kg vs 7,198 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Hart-Parr 28-50 is the newer design (1927 vs 1916). In short: choose the Hart-Parr 28-50 for outright pulling power, or the Hart-Parr Steel King if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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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

28 hp

27 hp

Confidence

40%

Guide price

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Overview

Manufacturer

Hart-ParrReference

Drawbar performanceReference

liquid-cooledReference

Engine

Drawbar (claimed)

20.9 kWReference

20.1 kWReference

Belt (claimed)

37.3 kWReference

29.8 kWReference

Drawbar (tested)

34.3 kWReference

—

Belt (tested)

48.1 kWReference

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Displacement

11.1 LReference

19.8 LReference

Bore/Stroke

146 x 165 mmReference

203 x 305 mmReference

Air cleaner

dryReference

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Rated RPM

850Reference

400Reference

Belt power (max)

48.1 kWReference

—

Max power

34.3 kWReference

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Fuel tank

—

189.2 LReference

Coolant capacity

—

189.3 LReference

Transmission

Type

gearReference

—

Gears

2 forward and 1 reverseReference

Clutch

mechanical dry discReference

—

Transmission

—

gearReference

Dimensions

Weight

3900 kgReference

7198 kgReference

Front tire

28x7Reference

—

Rear tire

51x14Reference

—

Ag front

28x7 steelReference

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Ag rear

51x14 steelReference

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Length

—

485 cmReference

Width

—

241 cmReference

28-50 Serial Numbers

1927

70501Reference

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1928

70742Reference

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1929

70968Reference

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1930

71402Reference

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Test results

Max pull

3332 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.