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McCormick-Deering W-12 vs McCormick-Deering W-30

Verdict: McCormick-Deering W-12 vs McCormick-Deering W-30

The McCormick-Deering W-12 and the McCormick-Deering W-30 are both tractors — here is how they stack up on the figures that matter. McCormick-Deering W-30 leads on rated power with 18 hp against 10 hp. McCormick-Deering W-12 is the lighter machine (1,315 kg vs 2,199 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. McCormick-Deering W-30 holds more fuel (83.3 L vs 41.6 L) for longer stints between fills. McCormick-Deering W-12 is the newer design (1934 vs 1932). In short: choose the McCormick-Deering W-30 for outright pulling power, or the McCormick-Deering W-12 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Fit & specs
McCormick-Deering W-12 Tractor
McCormick-Deering
62
Fit score
Best match
Clear
McCormick-Deering W-30 Tractor
McCormick-Deering
62
Fit score
Best match
Clear
Rated power
10 hp
18 hp
Confidence
40%
40%
Guide price
Overview
Manufacturer
McCormick-Deering (a part of International Harvester)Reference
McCormick-Deering (a part of International Harvester)Reference
Gasoline 3-speed 2WDNovember 13 - 16, 1934Link: Nebraska Tractor Test 231 fileReference
Gear 1 used for pull test.Reference
Total built
3,633Reference
32,541Reference
Variants
F-12
row-cropReference
W-12
standardReference
O-12
orchardReference
I-12
industrialReference
Engine
Fuel tank
41.6 LReference
83.3 LReference
Aux. fuel
2.8 LReference
4.7 LReference
Drawbar (claimed)
7.5 kWReference
13.4 kWReference
Belt (claimed)
11.2 kWReference
18.6 kWReference
Plows
1Reference
3Reference
Drawbar (tested)
10.1 kWReference
18.1 kWReference
Belt (tested)
13.2 kWReference
24.8 kWReference
Displacement
1.9 LReference
4.6 LReference
Bore/Stroke
76 x 102 mmReference
108 x 127 mmReference
Air cleaner
oil bathReference
oil bathReference
Rated RPM
1700Reference
1150Reference
Firing order
1-3-4-2Reference
Coolant capacity
13.2 LReference
41.6 LReference
Belt power (max)
13.2 kWReference
24.8 kWReference
Max power
10.1 kWReference
18.1 kWReference
Fuel system
Zenith carburetorReference
Transmission
Type
unsynchronized gearReference
gearReference
Gears
3 forward and 1 reverseReference
3 forward and 1 reverseReference
Clutch
dry discReference
dry discReference
PTO & Hydraulics
Rear PTO Type
567Reference
Dimensions
Wheelbase
152 cmReference
184 cmReference
Weight
1315 kgReference
2199 kgReference
Front tire
22.50x3.50Reference
30x6Reference
Rear tire
42x8Reference
36x12Reference
Ag front
22.50x3.50 steelReference
7.50-20Reference
Ag rear
42x8 steelReference
12.75-28Reference
Length
261 cmReference
309 cmReference
Height (steering wheel)
139 cmReference
159 cmReference
Shipping weight
1315 kgReference
Front tread
103 cmReference
115 cmReference
Rear tread
107 cmReference
135 cmReference
W-12 Serial Numbers
1934
512 (I-12)Reference
1140Reference
1935
775 (I-12)Reference
4025Reference
1936
975 (I-12)Reference
12010Reference
1937
1525 (I-12)Reference
17070Reference
1938
2495 (I-12)Reference
25445Reference
Final
2703 (I-12)Reference
Capacities
Diameter
33 cmReference
Width
128 cmReference
168 cmReference
RPM
787Reference
Speed
832.10 meters/minReference
Test results
Belt fuel use (max)
6.8 l/hourReference
12.5 l/hourReference
Max pull
970 kgReference
1414 kgReference
W-30 Serial Number Location
W-30 Serial Numbers
1932
501Reference
1933
523Reference
1939
31007Reference
1940
32635Reference

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.

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