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Aultman & Taylor 22-45 vs Hart-Parr 40
Verdict: Aultman & Taylor 22-45 vs Hart-Parr 40
The Aultman & Taylor 22-45 and the Hart-Parr 40 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 22 hp. Hart-Parr 40 is the lighter machine (3,402 kg vs 5,842 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 1918). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
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Fit & specs
Aultman & Taylor
62
Fit score
Best match
Clear
Hart-Parr
62
Fit score
Best match
Clear
Rated power
22 hp
22 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
Aultman & TaylorReference
Hart-ParrReference
Drawbar performanceReference
Drawbar performanceReference
Engine
Fuel tank
132.5 LReference
—
Aux. fuel
75.7 LReference
—
Drawbar (claimed)
16.4 kWReference
16.4 kWReference
Belt (claimed)
33.6 kWReference
29.8 kWReference
Drawbar (tested)
21.0 kWReference
21.1 kWReference
Belt (tested)
34.8 kWReference
34.6 kWReference
Displacement
12.5 LReference
10.1 LReference
Bore/Stroke
140 x 203 mmReference
140 x 165 mmReference
Rated RPM
600Reference
800Reference
Coolant capacity
321.8 LReference
—
Belt power (max)
34.8 kWReference
34.6 kWReference
Max power
21.0 kWReference
21.1 kWReference
Transmission
Type
gearReference
gearReference
Gears
2 forward and 1 reverseReference
2 forward and 1 reverseReference
Clutch
—
mechanical contracting bandReference
Dimensions
Wheelbase
259 cmReference
—
Weight
5842 kgReference
3402 kgReference
Front tire
38x10Reference
28x5Reference
Rear tire
70x20Reference
52x13Reference
Ag front
38x10 (steel)Reference
28x5 (steel)Reference
Ag rear
70x20 (steel)Reference
52x13 (steel)Reference
Length
421 cmReference
355 cmReference
Height
317 cmReference
170 cmReference
Test results
Belt fuel use (max)
23.5 l/hourReference
23.8 l/hourReference
Max pull
2261 kgReference
2190 kgReference
40 Serial Numbers
1923
—
70001Reference
1924
—
70020Reference
1925
—
70095Reference
1926
—
70251Reference
1927
—
70491Reference
Final
—
70500Reference
Capacities
Diameter
—
35 cmReference
Width
—
243 cmReference
RPM
—
800Reference
Speed
—
838.20 meters/minReference
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.