McCormick-Deering WD-9
The McCormick-Deering WD-9 is a tractor produced by Mccormick Deering. It is equipped with a 334.5 ci 5.5 L engine. The rated power output is 46.43 hp 34.6 kW. Transmission: gear. Operating weight: 6,650 lbs 3016 kg.
Engine Power
46.43 hp
34.6 kW
Fuel & Capacities
36 gal
136.3 L
Transmission
gear
Operating Weight
6,650 lbs
3016 kg
Mccormick Deering McCormick-Deering WD-9 Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
 | 1940 - 1954
Standard-tread tractor |
|---|---|
1940 - 1954 | |
Standard-tread tractor | |
Production | |
|---|---|
Manufacturer | McCormick-Deering (a part of International Harvester) |
Standard-tread tractor | |
Factories | Milwaukee, Wisconsin, USA |
Melrose Park, Illinois, USA | |
Variants | |
|---|---|
W-9 | gasoline |
WD-9 | diesel |
I-9 | industrial |
McCormick-Deering WD-9 Engine | |
|---|---|
International Harvester 5.5L 4-cyl diesel | |
Fuel tank | 36 gal
136.3 L |
Aux. fuel | 0.88 gal
3.3 L |
Engine details ...  | |
McCormick-Deering WD-9 Transmission | |
|---|---|
5-speed | |
Transmission details ...  |
McCormick-Deering WD-9 Power | |
|---|---|
Drawbar (claimed) | 33 hp
24.6 kW |
Belt (claimed) | 42 hp
31.3 kW |
Drawbar (tested) | 42.57 hp
31.7 kW |
Belt (tested) | 46.43 hp
34.6 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Two-wheel drive | |
Steering | manual |
Differential mechanical contracting band brakes | |
Open operator station. | |
Dimensions & Tires | |
|---|---|
Weight | 6,650 lbs
3016 kg |
Front tire | 30-6 |
Rear tire | 48-12 |
Full dimensions and tires ...  | |
References | |
|---|---|
 | |
Farmall Letter Series Tractors by Lee Klancher | |
McCormick-Deering Standard Tractors published in 1946, by International Harvester | |
McCormick Standard Tractors published by International Harvester | |
General Line Catalog published in 1949, by International Harvester |
Engine
Engine Detail — 334.5 ci / 5.5 L Diesel
Manufacturer | International Harvester |
Fuel Type | Diesel |
Configuration | 4-cylinder, liquid-cooled vertical I-head |
Displacement | 334.5 ci
5.5 L |
Bore/Stroke | 4.40x5.50 inches
112 x 140 mm |
Compression | 15.7:1 |
Rated RPM | 1500 |
Coolant capacity | 44 qts
41.6 L |
Transmission
Transmission — gear
Transmission | gear |
Gears | 5 forward and 1 reverse |
 | |
Dimensions
McCormick-Deering WD-9 Tires | |
|---|---|
Ag front | 30-6 steel |
Ag rear | 48-12 steel |
Ag front | 7.50x18 |
Ag rear | 14.00x21 |
Dimensions | |
|---|---|
Length | 134 inches
340 cm |
Width | 68 inches
172 cm |
Operating weight | 6,650 lbs
3016 kg |
Ballasted weight | 10,260 lbs
4653 kg |
Tests
Nebraska Tractor Test 370 | |
|---|---|
Diesel 2WD
May 21 - June 18, 1941
Link: Nebraska Tractor Test 370 file | |
Belt power (max) | 46.43 hp
34.6 kW |
Belt fuel use (max) | 3.2 gal/hour
12.1 l/hour |
Drawbar performance | |
Max power | 42.57 hp
31.7 kW |
Max pull | 6,367 lbs
2888 kg |
Photos
McCormick-Deering WD-9
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