Compare/Hart-Parr 40 vs Hart-Parr Steel King

Hart-Parr 40 vs Hart-Parr Steel King

Verdict: Hart-Parr 40 vs Hart-Parr Steel King

The Hart-Parr 40 and the Hart-Parr Steel King are both tractors — here is how they stack up on the figures that matter. Hart-Parr Steel King leads on rated power with 27 hp against 22 hp. Hart-Parr 40 is the lighter machine (3,402 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 40 is the newer design (1923 vs 1916). In short: choose the Hart-Parr Steel King for outright pulling power, or the Hart-Parr 40 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

22 hp

27 hp

Confidence

40%

Guide price

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Overview

Manufacturer

Hart-ParrReference

Drawbar performanceReference

liquid-cooledReference

Engine

Drawbar (claimed)

16.4 kWReference

20.1 kWReference

Belt (claimed)

29.8 kWReference

Drawbar (tested)

21.1 kWReference

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Belt (tested)

34.6 kWReference

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Displacement

10.1 LReference

19.8 LReference

Bore/Stroke

140 x 165 mmReference

203 x 305 mmReference

Rated RPM

800Reference

400Reference

Belt power (max)

34.6 kWReference

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Max power

21.1 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 contracting bandReference

—

Transmission

—

gearReference

Dimensions

Weight

3402 kgReference

7198 kgReference

Front tire

28x5Reference

—

Rear tire

52x13Reference

—

Ag front

28x5 (steel)Reference

—

Ag rear

52x13 (steel)Reference

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Length

355 cmReference

485 cmReference

Height

170 cmReference

—

40 Serial Numbers

1923

70001Reference

—

1924

70020Reference

—

1925

70095Reference

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1926

70251Reference

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1927

70491Reference

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Final

70500Reference

—

Capacities

Diameter

35 cmReference

—

Width

243 cmReference

241 cmReference

RPM

800Reference

—

Speed

838.20 meters/minReference

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Test results

Belt fuel use (max)

23.8 l/hourReference

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Max pull

2190 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.