McCormick-Deering W-9 tractor specifications

1940 - 1953

1940 - 1953 Standard-tread tractor

Production

Production Manufacturer:McCormick-Deering (a part of International Harvester)
Type:Standard-tread tractor
Factories:Milwaukee, Wisconsin, USA
Melrose Park, Illinois, USA
Total built:67,418
Original price:$3,300
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.

Variants

Variants W-9:gasoline
WD-9:diesel
I-9:industrial

1940 - 1953

Standard-tread tractor

Production

Production
Manufacturer:	McCormick-Deering (a part of International Harvester)
Type:	Standard-tread tractor
Factories:	Milwaukee, Wisconsin, USA
	Melrose Park, Illinois, USA
Total built:	67,418
Original price:	$3,300
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.

Variants

Variants
W-9:	gasoline
WD-9:	diesel
I-9:	industrial

McCormick-Deering W-9 Power

McCormick-Deering W-9 Power
Drawbar (claimed):	35 hp 26.1 kW
Belt (claimed):	45 hp 33.6 kW
Plows:	4
Drawbar (tested):	44.15 hp 32.9 kW
Belt (tested):	49.40 hp 36.8 kW
power test details ...

McCormick-Deering W-9 Engines

McCormick-Deering W-9 Engines
International Harvester 5.5L 4-cyl gasoline
International Harvester 5.5L 4-cyl distillate
Fuel tank:	36 gal 136.3 L
Aux. fuel:	0.875 gal 3.3 L
Engine details ...

Mechanical

Mechanical
Chassis:	4x2 2WD
Steering:	manual worm-type gear
Brakes:	differential external contracting band
Cab:	Open operator station.
Transmission:	5-speed sliding gear
Transmission details ...

Dimensions & Tires

Dimensions & Tires
Weight:	5950 to 6350 pounds
Front tire:	30x6
Rear tire:	48x12
Full dimensions and tires ...

W-9 Serial Numbers

W-9 Serial Numbers
Location:	Serial number plate on the right side of the McCormick-Deering W-9, ahead of the belt pulley.
photo of W-9 serial number
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
how to read serial numbers...

Electrical

Electrical
Ground:	positive

McCormick-Deering W-9 Power

McCormick-Deering W-9 Power Drawbar (claimed):35 hp
26.1 kW
Belt (claimed):45 hp
33.6 kW
Plows:4
Drawbar (tested):44.15 hp
32.9 kW
Belt (tested):49.40 hp
36.8 kW
power test details ...

1940 - 1953

Standard-tread tractor

Nebraska Tractor Test 369

Nebraska Tractor Test 369
Gasoline 5-speed 2WD May 21 - June 17, 1941 Link: Nebraska Tractor Test 369 file
Belt power (max):	49.40 hp 36.8 kW
Belt fuel use (max):	4.2 gal/hour 15.9 l/hour
Drawbar performance
Max power:	44.15 hp 32.9 kW
Gear 3 used for power test.
Max pull:	6,414 lbs 2909 kg
Gear 1 used for pull test.

Nebraska Tractor Test 371

Nebraska Tractor Test 371
Distillate 5-speed 2WD June 4 - 17, 1941 Link: Nebraska Tractor Test 371 file
Belt power (max):	46.36 hp 34.6 kW
Belt fuel use (max):	4.3 gal/hour 16.3 l/hour
Drawbar performance
Max power:	42.67 hp 31.8 kW
Gear 3 used for power test.
Max pull:	6,577 lbs 2983 kg
Gear 1 used for pull test.

McCormick-Deering W-9 Engines

McCormick-Deering W-9 Engines International Harvester 5.5L 4-cyl gasoline International Harvester 5.5L 4-cyl distillate Fuel tank:36 gal
136.3 L
Aux. fuel:0.875 gal
3.3 L
Engine details ...

1940 - 1953

Standard-tread tractor

Engines overview

Engines overview
International Harvester 5.5L 4-cyl gasoline
International Harvester 5.5L 4-cyl distillate

Engine Detail

Engine Detail
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 ci 5.5 L
Bore/Stroke:	4.40x5.50 inches 112 x 140 mm
Compression:	5.4:1
Rated RPM:	1500
Coolant capacity:	44 qts 41.6 L

Engine Detail

Engine Detail
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 ci 5.5 L
Bore/Stroke:	4.40x5.50 inches 112 x 140 mm
Rated RPM:	1500
Coolant capacity:	40 qts 37.9 L

Mechanical

Mechanical Chassis:4x2 2WD
Steering:manual worm-type gear
Brakes:differential external contracting band
Cab:Open operator station.
Transmission:5-speed sliding gear
Transmission details ...

1940 - 1953

Standard-tread tractor

Transmission

Transmission
Type:	sliding gear
Gears:	5 forward and 1 reverse
Fifth gear was locked out on tractors equipped with steel wheels.

Speeds

Speeds

Dimensions & Tires

Dimensions & Tires Weight:5950 to 6350 pounds
Front tire:30x6
Rear tire:48x12
Full dimensions and tires ...

1940 - 1953

Standard-tread tractor

McCormick-Deering W-9 Tires

McCormick-Deering W-9 Tires
Ag front:	30x6 (steel)
	7.50-18
Ag rear:	48x12 (steel)
	14-34
	15-34
Ag rear:	14-32

Dimensions

Dimensions
Length:	134.25 inches 340 cm
Width:	68.5 inches 173 cm
Height:	66 inches 167 cm

McCormick-Deering W-9 Weight

McCormick-Deering W-9 Weight
Shipping:	5,950 lbs 2698 kg
Operating:	6,350 lbs 2880 kg
Ballasted:	10,090 lbs 4576 kg

W-9 Serial Numbers

W-9 Serial Numbers Location:Serial number plate on the right side of the McCormick-Deering W-9, ahead of the belt pulley.
photo of W-9 serial number
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

how to read serial numbers...