Compare/McCormick-Deering Super WD-6 vs McCormick-Deering TD-40

McCormick-Deering Super WD-6 vs McCormick-Deering TD-40

Verdict: McCormick-Deering Super WD-6 vs McCormick-Deering TD-40

The McCormick-Deering Super WD-6 and the McCormick-Deering TD-40 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 37 hp. McCormick-Deering Super WD-6 is the lighter machine (2,494 kg vs 12,400 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. McCormick-Deering TD-40 holds more fuel (159.0 L vs 77.6 L) for longer stints between fills. McCormick-Deering Super WD-6 is the newer design (1952 vs 1933). In short: choose the McCormick-Deering Super WD-6 for outright pulling power, or the McCormick-Deering TD-40 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

37 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

Gear 1 used for power test.Reference

Drive

—

crawlerReference

Variants

Super W-6

gasoline engineReference

—

WD6-TA

Torque Amplifier transmissionReference

—

Engine

Fuel tank

77.6 LReference

159.0 LReference

Drawbar (claimed)

24.6 kWReference

27.6 kWReference

Drawbar (tested)

28.4 kWReference

36.2 kWReference

Belt (tested)

34.9 kWReference

39.9 kWReference

Displacement

4.3 LReference

7.6 LReference

Bore/Stroke

102 x 133 mmReference

121 x 165 mmReference

Compression

16.5:1Reference

15:1Reference

Rated RPM

1450Reference

1100Reference

Firing order

1-3-4-2Reference

—

Starter volts

12Reference

—

Coolant capacity

26.5 LReference

56.8 LReference

Belt power (max)

34.9 kWReference

39.9 kWReference

Max power

28.4 kWReference

36.2 kWReference

Aux. fuel

—

4.7 LReference

Belt (claimed)

—

35.8 kWReference

Oil capacity

—

11.4 LReference

Transmission

Type

two-speed power shiftReference

—

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

—

Rear PTO Type

—

535Reference

Dimensions

Weight

2494 kgReference

5783 kgReference

Front tire

6.00x16Reference

—

Rear tire

15.00x30Reference

—

Ag front

6.00x16Reference

—

Ag rear

15.00x30Reference

—

Length

317 cmReference

355 cmReference

Width

177 cmReference

161 cmReference

Height

228 cmReference

—

Height (exhaust)

—

209 cmReference

Ground clearance

—

29 cmReference

Super WD-6 Serial Number Location

Super WD-6 Serial Numbers

1952

501Reference

—

1953

2277Reference

—

1954

8997Reference

—

Final

9084Reference

—

Test results

Belt fuel use (max)

12.5 l/hourReference

14.0 l/hourReference

Max pull

2656 kgReference

4756 kgReference

TD-40 Serial Numbers

1933

—

973Reference

1934

—

1472Reference

1935

—

3069Reference

1936

—

4651Reference

1937

—

6654Reference

1938

—

7922Reference

Location:

—

Seat, right sideReference

Capacities

Diameter

—

42 cmReference

RPM

—

591Reference

McCormick-Deering TD-40 Tracks

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.