Compare/McCormick-Deering O-6 vs McCormick-Deering WD-9

McCormick-Deering O-6 vs McCormick-Deering WD-9

Verdict: McCormick-Deering O-6 vs McCormick-Deering WD-9

The McCormick-Deering O-6 and the McCormick-Deering WD-9 are both tractors — here is how they stack up on the figures that matter. McCormick-Deering O-6 leads on rated power with 34 hp against 33 hp. McCormick-Deering O-6 is the lighter machine (2,408 kg vs 3,016 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. McCormick-Deering WD-9 holds more fuel (136.3 L vs 79.5 L) for longer stints between fills. In short: choose the McCormick-Deering O-6 for outright pulling power, or the McCormick-Deering WD-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

34 hp

33 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

McCormick-DeeringReference

McCormick-Deering (a part of International Harvester)Reference

liquid-cooledReference

Gear 1 used for pull test.Reference

Factories

—

Melrose Park, Illinois, USAReference

Variants

W-6

standardReference

—

O-6

orchardReference

—

OS-6

orchard without full sheet metalReference

—

ODS-6

diesel OS-6Reference

—

I-6

industrialReference

—

ID-6

diesel industrialReference

—

W-9

—

gasolineReference

WD-9

—

dieselReference

I-9

—

industrialReference

Engine

Fuel tank

79.5 LReference

136.3 LReference

Aux. fuel

3.3 LReference

Drawbar (claimed)

25.0 kWReference

24.6 kWReference

Belt (claimed)

28.7 kWReference

31.3 kWReference

Displacement

4.1 LReference

5.5 LReference

Bore/Stroke

98 x 133 mmReference

112 x 140 mmReference

Compression

4.5:1 (kerosene)Reference

15.7:1Reference

Rated RPM

1450Reference

1500Reference

Drawbar (tested)

—

31.7 kWReference

Belt (tested)

—

34.6 kWReference

Air cleaner

—

oil bathReference

Starter type

—

gasoline ignitionReference

Coolant capacity

—

41.6 LReference

Belt power (max)

—

34.6 kWReference

Max power

—

31.7 kWReference

Transmission

Type

gearReference

Gears

5 forward and 1 reverseReference

Clutch

—

mechanical dry discReference

PTO & Hydraulics

Rear PTO Type

540Reference

—

Dimensions

Wheelbase

193 cmReference

—

Weight

2408 kgReference

3016 kgReference

Front tire

6.00-16Reference

30-6Reference

Rear tire

13-26Reference

48-12Reference

Ag front

6.00-16Reference

7.50x18Reference

Ag rear

13-26Reference

14.00x21Reference

Length

338 cmReference

340 cmReference

Height

161 cmReference

—

Clearance (front axle)

38 cmReference

—

Front tread

118 cmReference

—

Rear tread

114 cmReference

—

Operating weight

—

3016 kgReference

Ballasted weight

—

4653 kgReference

Capacities

Diameter

27 cmReference

35 cmReference

Width

165 cmReference

172 cmReference

RPM

899Reference

707Reference

Speed

788.82 meters/minReference

790.35 meters/minReference

WD-9 Serial Numbers

1940

—

WDCB 501Reference

1941

—

WDCB 578Reference

1942

—

WDCB 2993Reference

1943

—

WDCB 3651Reference

1944

—

WDCB 5394Reference

1945

—

WDCB 11459Reference

1946

—

WDCB 17289Reference

1947

—

WDCB 22714Reference

1948

—

WDCB 29207Reference

1949

—

WDCB 36159Reference

1950

—

WDCB 45551Reference

1951

—

WDCB 51739Reference

1952

—

WDCB 59407Reference

1953

—

WDCB 64014Reference

Location:

—

Serial number plate near the fuel tank.Reference

Test results

Belt fuel use (max)

—

12.1 l/hourReference

Max pull

—

2888 kgReference

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.