- For Diesel engined version, see McCormick-Deering WDR-9.
 McCormick-Deering WR-9 1947 | |
| Model history | |
|---|---|
| Model introduced | 1945 |
| Model discontinued | 1953 |
| Model status | Discontinued |
| Preceded by | New Model |
| Superseded by | McCormick WR-9S |
| Engine Specification | |
| Engine make | International |
| Engine model | C-335 |
| Fuel type | gasoline |
| Power hp | 49 belt, 44 drawbar |
| Governed rpm | 1500 |
| Displacement cu in /(litre) | 335 ci |
| No. of Cylinders | 4 |
| Bore in (mm) | 4.4 in |
| Stroke in (mm) | 5.5 in |
| Cooling system | water |
| Naturally aspirated, Turbo or Supercharged | NA |
| Transmission Details | |
| Transmission type | sliding gear |
| Gearbox make | International |
| Forward | 5 |
| Reverse | 1 |
| Drive | 2-WD |
| General Data | |
| Linkage Category | drawbar |
| Tyre Sizes (std/options) | |
| Front | 34"x6" steel |
| Rear | 54"x12" steel |
| Tractor Dimensions | |
| Length (inches/metres) | 140 in |
| Width (inches/meters) | 69 in |
| Height (inches/meters) | 73 in |
| Weight (nominal) lb/kg | 6110 lb |
| Turning circle (nominal) inches/meters | 30 ft |
| Wheelbase | 84 in |
| Other info | |
| Factories | Milwaukee Works, Milwaukee, Wisconsin, USA |
| Plow rating | 4-14" |
| Nebraska Tests No. | 369 |
| Approximate Cost new in (year) | $2953 (1951) |
The McCormick-Deering WR-9 was a rice field special gasoline engined tractor built by the International Harvester company from 1945 to 1953 in Milwaukee, Wisconsin, USA.
Model history[]
- For Company history, see International Harvester.
The McCormick-Deering WR-9 was almost identical to the W-9 standard except for squared-off rear fenders, a foot decelerator so the driver could quickly slow the tractor while crossing checks, and heavy-duty cane & rice tires (or standard steel wheels).
Timeline[]
- 1940 - McCormick-Deering WD-9 diesel-powered standard-tread tractor replaced the WD-40
- 1941 - McCormick-Deering W-9 gasoline-powered model added
- 1945 - McCormick-Deering WR-9 Rice Field Special added
- 1946 - brand name shortened from McCormick-Deering to McCormick
- 1953 - WR-9 replaced by WR-9S
Factory locations[]
Milwaukee Works, Milwaukee, Wisconsin, USA
Specification[]
See Infobox for basic details
- Standard tires
- Front: 34"x6" steel; 7.50-18 4-ply (1953)
- Rear: 54"x12" steel; 15-34 6-ply (1953)
Variations and Options[]
- Optional tires
- Front: 7.50-18 4 or 6-ply (1946)
- Rear: 15-34 6-ply (1946); 18-26 8-ply (1951)
Serial Numbers Information[]
| Year | Serial no. run start[1] |
Serial no. run End[1] |
Number Built[2] | Notes |
|---|---|---|---|---|
| 1945 | RCB11459 | 17288 | Serial range includes W-9, WD-9, WR-9, WDR-9, I-9, ID-9 | |
| 1946 | 17289 | 22713 | Number built includes W-9, WD-9, WR-9, WDR-9, I-9, ID-9 | |
| 1947 | 22714 | 29206 | ||
| 1948 | 29207 | 36158 | ||
| 1949 | 36159 | 45550 | ||
| 1950 | 45551 | 51738 | ||
| 1951 | 51739 | 59406 | ||
| 1952 | 59407 | 64013 | ||
| 1953 | 64014 | 67919[3] | ||
| Total built | ||||
Preservation[]
No information on any individual examples of these tractors in preservation is currently available on here.
- Do you know of any examples to list ?
| Make + Model No. | Reg No. (if known) |
Serial No. | Build-Date | Engine-Type/Make | Owner (if known) |
Photo | Were seen/Featured in | Other info |
|---|---|---|---|---|---|---|---|---|
| W-9 | EWX 17 | serial no ? | date ? | Perkins | owner ? | 
|
Welland Steam and Country Rally 2012 | Has a Perkins engine conversion |
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| Please add any tractor with known reg or serial no. with Photo if possible. | ||||||||
| Make & model | reg no | serial no | date built | engine | owner |
|
seen at | misc info |
| Create a page (link) for an individual tractor by linking the reg or serial number using reg number or serial number in the relevant column. Then once saved click the red link to start the new page and add info on that tractor. | ||||||||
Gallery[]
Add extra photos here please.
See also[]
- Collection related info
- Shows and Meets - events featuring tractors and other machinery
- Clubs Listing - List of clubs including various tractor marques
- Collections - list of private collections with tractors (add yours)
- Museums - includes museums featuring tractors (please add missing ones)
References / Sources[]
- ↑ 1.0 1.1 Wendel, C. H., 150 Years of International Harvester, Crestline Publishing, Sarasota, Florida, 1981
- ↑ Klancher, Lee, International Harvester Photographic History, Motorbooks International, Osceola, Wisconsin, 1996
- ↑ Baumheckel, Ralph and Borghoff, Kent, International Farm Equipment Product History, American Society of Agricultural Engineers, St. Joseph, Michigan, 1997
External Links[]
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