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Gray Tractor 18-30 vs Hart-Parr Row Crop 18-27
Verdict: Gray Tractor 18-30 vs Hart-Parr Row Crop 18-27
The Gray Tractor 18-30 and the Hart-Parr Row Crop 18-27 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 18 hp. Hart-Parr Row Crop 18-27 is the lighter machine (1,587 kg vs 2,698 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Hart-Parr Row Crop 18-27 is the newer design (1930 vs 1917). 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
Gray Tractor
62
Fit score
Best match
Clear
Hart-Parr
62
Fit score
Best match
Clear
Rated power
18 hp
18 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
Gray TractorReference
Hart-Parr (a part of Oliver)Reference
liquid-cooled inlineReference
Gear 1 used for pull test.Reference
Drive
3x1 drum driveReference
—
Final drives
—
spur gearReference
Engine
Fuel tank
128.7 LReference
—
Drawbar (claimed)
13.4 kWReference
13.4 kWReference
Belt (claimed)
22.4 kWReference
20.1 kWReference
Plows
4Reference
2-3 (14-inch)Reference
Displacement
7.0 LReference
4.6 LReference
Bore/Stroke
114 x 171 mmReference
105 x 133 mmReference
Rated RPM
850Reference
—
Drawbar (tested)
—
13.5 kWReference
Belt (tested)
—
22.2 kWReference
Belt power (max)
—
22.2 kWReference
Max power
—
13.5 kWReference
Transmission
Type
gearReference
gearReference
Gears
2 forward and 1 reverseReference
3 forward and 1 reverseReference
Dimensions
Weight
2698 kgReference
1587 kgReference
Front tire
40x8Reference
—
Rear tire
54x54Reference
—
Ag front
40x8 steelReference
—
Ag rear
54x54 steelReference
—
Length
441 cmReference
317 cmReference
Height
160 cmReference
162 cmReference
Rear tread
—
152 to 187 cmReference
Capacities
Diameter
27 cmReference
36 cmReference
Width
198 cmReference
203 cmReference
RPM
—
700Reference
Speed
—
795.53 meters/minReference
Variants
18-27
—
row-cropReference
18-28
—
standardReference
Test results
Belt fuel use (max)
—
11.7 l/hourReference
Fuel use
—
9.1 l/hourReference
Max pull
—
1661 kgReference
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.