Compare/McCormick-Deering Super WD-6 vs McCormick-Deering W-9

McCormick-Deering Super WD-6 vs McCormick-Deering W-9

Verdict: McCormick-Deering Super WD-6 vs McCormick-Deering W-9

The McCormick-Deering Super WD-6 and the McCormick-Deering W-9 are both tractors — here is how they stack up on the figures that matter. McCormick-Deering Super WD-6 leads on rated power with 41 hp against 35 hp. McCormick-Deering Super WD-6 is the lighter machine (2,494 kg vs 5,950 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. McCormick-Deering W-9 holds more fuel (136.3 L vs 77.6 L) for longer stints between fills. McCormick-Deering Super WD-6 is the newer design (1952 vs 1940). In short: choose the McCormick-Deering Super WD-6 for outright pulling power, or the McCormick-Deering W-9 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

McCormick-Deering

Fit score

Best match

Clear

McCormick-Deering

Fit score

Best match

Clear

Rated power

41 hp

35 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

McCormick-Deering (a part of International Harvester)Reference

The Torque Amplifier was available on the Super WD-6-TA in 1954Reference

Fifth gear was locked out on tractors equipped with steel wheels.Reference

Factories

—

Melrose Park, Illinois, USAReference

Total built

—

67,418Reference

Original price

—

$3,300Reference

Steering

—

manual worm-type gearReference

Variants

Super W-6

gasoline engineReference

—

WD6-TA

Torque Amplifier transmissionReference

—

W-9

—

gasolineReference

WD-9

—

dieselReference

I-9

—

industrialReference

Engine

Fuel tank

77.6 LReference

136.3 LReference

Drawbar (claimed)

24.6 kWReference

26.1 kWReference

Drawbar (tested)

28.4 kWReference

32.9 kWReference

Belt (tested)

34.9 kWReference

36.8 kWReference

Displacement

4.3 LReference

5.5 LReference

Bore/Stroke

102 x 133 mmReference

112 x 140 mmReference

Compression

16.5:1Reference

5.4:1Reference

Rated RPM

1450Reference

1500Reference

Firing order

1-3-4-2Reference

—

Starter volts

12Reference

—

Coolant capacity

26.5 LReference

37.9 LReference

Belt power (max)

34.9 kWReference

34.6 kWReference

Max power

28.4 kWReference

31.8 kWReference

Aux. fuel

—

3.3 LReference

Belt (claimed)

—

33.6 kWReference

Plows

—

4Reference

Transmission

Type

two-speed power shiftReference

sliding gearReference

Gears

10 forward and 2 reverseReference

5 forward and 1 reverseReference

Clutch

dry discReference

—

Transmission

International Harvester Torque AmplifierReference

—

PTO & Hydraulics

PTO (claimed)

30.6 kWReference

—

Dimensions

Weight

2494 kgReference

5950 to 6350 poundsReference

Front tire

6.00x16Reference

30x6Reference

Rear tire

15.00x30Reference

48x12Reference

Ag front

6.00x16Reference

7.50-18Reference

Ag rear

15.00x30Reference

14-32Reference

Length

317 cmReference

340 cmReference

Width

177 cmReference

173 cmReference

Height

228 cmReference

167 cmReference

Shipping

—

2698 kgReference

Operating

—

2880 kgReference

Ballasted

—

4576 kgReference

Super WD-6 Serial Number Location

Super WD-6 Serial Numbers

1952

501Reference

WCB59407Reference

1953

2277Reference

WCB64014Reference

1954

8997Reference

WCB67969Reference

Final

9084Reference

—

Test results

Belt fuel use (max)

12.5 l/hourReference

16.3 l/hourReference

Max pull

2656 kgReference

2983 kgReference

W-9 Serial Number Location

W-9 Serial Numbers

1940

—

WCB501Reference

1941

—

WCB578Reference

1942

—

WCB3003Reference

1943

—

WCB3651Reference

1944

—

WCB5501Reference

1945

—

WCB11459Reference

1946

—

WCB17294Reference

1947

—

WCB22715Reference

1948

—

WCB29207Reference

1949

—

WCB36159Reference

1950

—

WCB45551Reference

1951

—

WCB51739Reference

Electrical

Ground

—

positiveReference

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.