Compare/McCormick-Deering T-40 vs McCormick-Deering W-9

McCormick-Deering T-40 vs McCormick-Deering W-9

Verdict: McCormick-Deering T-40 vs McCormick-Deering W-9

The McCormick-Deering T-40 and the McCormick-Deering W-9 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 35 hp. McCormick-Deering T-40 is the lighter machine (5,792 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 T-40 holds more fuel (159.0 L vs 136.3 L) for longer stints between fills. McCormick-Deering W-9 is the newer design (1940 vs 1937). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer 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

35 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

McCormick-Deering (a part of International Harvester)Reference

Gasoline 5-speed crawlerMay 4 - 14, 1937Link: Nebraska Tractor Test 281 fileReference

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

Total built

1,313Reference

67,418Reference

Drive

crawlerReference

—

Factories

—

Melrose Park, Illinois, USAReference

Original price

—

$3,300Reference

Steering

—

manual worm-type gearReference

Engine

Fuel tank

159.0 LReference

136.3 LReference

Drawbar (claimed)

26.1 kWReference

Belt (claimed)

33.6 kWReference

Drawbar (tested)

33.0 kWReference

32.9 kWReference

Belt (tested)

38.5 kWReference

36.8 kWReference

Displacement

4.9 LReference

5.5 LReference

Bore/Stroke

95 x 114 mmReference

112 x 140 mmReference

Rated RPM

1750Reference

1500Reference

Coolant capacity

45.4 LReference

37.9 LReference

Belt power (max)

38.5 kWReference

34.6 kWReference

Max power

33.0 kWReference

31.8 kWReference

Aux. fuel

—

3.3 LReference

Plows

—

4Reference

Compression

—

5.4:1Reference

Transmission

Type

gearReference

sliding gearReference

Gears

5 forward and 1 reverseReference

Clutch

dry discReference

—

Dimensions

Weight

5792 kgReference

5950 to 6350 poundsReference

Length

358 cmReference

340 cmReference

Width

165 cmReference

173 cmReference

Height

165 cmReference

167 cmReference

Front tire

—

30x6Reference

Rear tire

—

48x12Reference

Ag front

—

7.50-18Reference

Ag rear

—

14-32Reference

Shipping

—

2698 kgReference

Operating

—

2880 kgReference

Ballasted

—

4576 kgReference

T-40 Serial Numbers

1937

6652Reference

—

1938

7921Reference

—

1939

8706Reference

—

Location:

Seat, right sideReference

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Test results

Max pull

4333 kgReference

2983 kgReference

Belt fuel use (max)

—

16.3 l/hourReference

Variants

W-9

—

gasolineReference

WD-9

—

dieselReference

I-9

—

industrialReference

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

1952

—

WCB59407Reference

1953

—

WCB64014Reference

1954

—

WCB67969Reference

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.