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Years in Production / 1940–1953
McCormick-Deering
W-9
Explore the specifications, hardware, and original references for the McCormick-Deering W-9.
50hp
Engine estimate · from belt
2WD Only
Drive
1940–1953
Production years
McCormick-Deering
Manufacturer
W-9 / 01
At a glance
Production
Standard-tread tractor
The 9-series tractors consisted of six models, the W-9, WD-9, WR-9, WDR-9, I-9, and ID-9. The D models are diesel. The R is a rice model, with larger fenders and a hand-clutch to allow driving while standing. The I models were industrial, with different gear ratios and foot-operated throttle.
- Manufacturer
- McCormick-Deering (a part of International Harvester)
- Factories
- Milwaukee, Wisconsin, USA
- Factories
- Melrose Park, Illinois, USA
- Total Built
- 67,418
- Original Price
- $3,300
Mechanical
Two-wheel drive
Differential external contracting band brakes
Open operator station.
- Steering
- manual worm-type gear
Serial Numbers
FAQ: How to read a serial number table.
- 1940
- WCB501
- 1941
- WCB578
- 1942
- WCB3003
- 1943
- WCB3651
- 1944
- WCB5501
- 1945
- WCB11459
- 1946
- WCB17294
- 1947
- WCB22715
- 1948
- WCB29207
- 1949
- WCB36159
- 1950
- WCB45551
- 1951
- WCB51739
- 1952
- WCB59407
- 1953
- WCB64014
- 1954
- WCB67969
Electrical
- Ground
- positive
W-9 / 02
Under the hood
Engine Detail (Option 1)
International Harvester
gasoline
4-cylinder
liquid-cooled vertical I-head
The gasoline engine was standard on the I-9, and an option on the W-9 until 1947, when it became the standard engine.
- Displacement
- 334.5 ci5.5 L
- Bore Stroke
- 4.40x5.50 inches112 x 140 mm
- Compression Ratio
- 5.4:1
- Rated Rpm
- 1500
- Coolant Capacity
- 44 qts41.6 L
- Fuel Type
- gasoline
- Cylinders
- 4
- Cooling
- liquid-cooled vertical I-head
Engine Detail (Option 2)
International Harvester
distillate
4-cylinder
liquid-cooled
The all-fuel engine was designed for tractor fuel and gasoline lower than 70 octane. It was the standard W-9 and WR-9 engine until 1947, when the gasoline engine became standard and the all-fuel engine was an option. The all-fuel engine was an option for the I-9.
- Displacement
- 334.5 ci5.5 L
- Bore Stroke
- 4.40x5.50 inches112 x 140 mm
- Rated Rpm
- 1500
- Coolant Capacity
- 40 qts37.9 L
- Cylinders
- 4
- Cooling
- liquid-cooled
Engine Options
International Harvester 5.5L 4-cyl gasoline
International Harvester 5.5L 4-cyl distillate
- Fuel Tank
- 36 gal136.3 L
- Aux Fuel
- 0.875 gal3.3 L
W-9 / 03
Gears & controls
Transmission
Fifth gear was locked out on tractors equipped with steel wheels.
- Transmission Type
- sliding gear
- Gears
- 5 forward and 1 reverse
W-9 / 04
Size. Stance. Footprint.
Dimensions And Tires
- Weight
- 5950 to 6350 pounds
- Front Tire
- 30x6
- Rear Tire
- 48x12
Tires And Tracks
- Front Ag
- 30x6 (steel)
- Front Ag
- 7.50-18
- Rear Ag
- 48x12 (steel)
- Rear Ag
- 14-34
- Rear Ag
- 15-34
- Rear Ag
- 14-32
W-9 / 05
Tractor Photos
W-9 / 06
Tests (NTTL)
Nebraska Tractor Test 369
Gasoline 5-speed 2WDMay 21 - June 17, 1941
Drawbar performance
Gear 3 used for power test.
Gear 1 used for pull test.
- Id
- 369
- Belt Power Max
- 49.40 hp36.8 kW
- Belt Fuel Use Max
- 4.2 gal/hour15.9 l/hour
- Max Power
- 44.15 hp32.9 kW
- Max Pull
- 6,414 lbs2909 kg
Nebraska Tractor Test 371
Distillate 5-speed 2WDJune 4 - 17, 1941
Drawbar performance
Gear 3 used for power test.
Gear 1 used for pull test.
- Id
- 371
- Belt Power Max
- 46.36 hp34.6 kW
- Belt Fuel Use Max
- 4.3 gal/hour16.3 l/hour
- Max Power
- 42.67 hp31.8 kW
- Max Pull
- 6,577 lbs2983 kg