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McCormick-Deering W-30 vs Rock Island F 18-35
Verdict: McCormick-Deering W-30 vs Rock Island F 18-35
The McCormick-Deering W-30 and the Rock Island F 18-35 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 18 hp. McCormick-Deering W-30 is the newer design (1932 vs 1927). 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
McCormick-Deering
62
Fit score
Best match
Clear
Rock Island
62
Fit score
Best match
Clear
Rated power
18 hp
18 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
McCormick-Deering (a part of International Harvester)Reference
Rock IslandReference
Gear 1 used for pull test.Reference
Drawbar performanceReference
Total built
32,541Reference
—
Steering
—
manualReference
Engine
Fuel tank
83.3 LReference
—
Aux. fuel
4.7 LReference
—
Drawbar (claimed)
13.4 kWReference
13.4 kWReference
Belt (claimed)
18.6 kWReference
26.1 kWReference
Plows
3Reference
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Drawbar (tested)
18.1 kWReference
22.7 kWReference
Belt (tested)
24.8 kWReference
27.2 kWReference
Displacement
4.6 LReference
6.3 LReference
Bore/Stroke
108 x 127 mmReference
114 x 152 mmReference
Fuel system
Zenith carburetorReference
—
Air cleaner
oil bathReference
—
Rated RPM
1150Reference
1100Reference
Coolant capacity
41.6 LReference
—
Belt power (max)
24.8 kWReference
27.2 kWReference
Max power
18.1 kWReference
22.7 kWReference
Transmission
Type
gearReference
unsynchronized gearReference
Gears
3 forward and 1 reverseReference
2 forward and 1 reverseReference
Clutch
dry discReference
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Dimensions
Wheelbase
184 cmReference
—
Weight
2199 kgReference
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Front tire
30x6Reference
—
Rear tire
36x12Reference
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Ag front
7.50-20Reference
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Ag rear
12.75-28Reference
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Length
309 cmReference
—
Width
168 cmReference
19 cmReference
Height (steering wheel)
159 cmReference
—
Front tread
115 cmReference
—
Rear tread
135 cmReference
—
W-30 Serial Number Location
W-30 Serial Numbers
1932
501Reference
—
1933
523Reference
—
1934
1140Reference
—
1935
4025Reference
—
1936
12010Reference
—
1937
17070Reference
—
1938
25445Reference
—
1939
31007Reference
—
1940
32635Reference
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Test results
Belt fuel use (max)
12.5 l/hourReference
17.8 l/hourReference
Max pull
1414 kgReference
1446 kgReference
Links
Capacities
Diameter
—
45 cmReference
RPM
—
660Reference
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.