McCormick-Deering WD-9 tractor specifications

1940 - 1954

1940 - 1954 Standard-tread tractor

Series:

Series:WD-9Super WD-9 ↓

1953 - 1956

Standard-tread tractor

Production

Production
Manufacturer:	McCormick-Deering (a part of International Harvester)
Type:	Standard-tread tractor
Factory:	Melrose Park, Illinois, USA
Total built:	10,938

Variants

Variants
Super WDR-9:	rice special

McCormick-Deering Super WD-9 Power

McCormick-Deering Super WD-9 Power
Belt (claimed):	65 hp 48.5 kW
Drawbar (tested):	57.37 hp 42.8 kW
Belt (tested):	65.19 hp 48.6 kW
power test details ...

McCormick-Deering Super WD-9 Engine

McCormick-Deering Super WD-9 Engine
International Harvester 5.7L 4-cyl diesel
Fuel tank:	35 gal 132.5 L
Engine details ...

Mechanical

Mechanical
Chassis:	4x2 2WD
Steering:	manual
Brakes:	mechanical disc
Cab:	Open operator station.
Transmission:	5-speed gear
Transmission details ...

Power Take-off (PTO)

Power Take-off (PTO)
Rear RPM:	540

Dimensions & Tires

Dimensions & Tires
Wheelbase:	83.4 inches 211 cm
Weight:	7,300 lbs 3311 kg
Front tire:	7.50x18
Rear tire:	18.00x26
Full dimensions and tires ...

Super WD-9 Serial Numbers

Super WD-9 Serial Numbers
Location:	Serial number plate on the right side of the Super WD-9 clutch housing.
photo of Super WD-9 serial number
1953:	501
1954:	1935
1955:	5232
1956:	6864
Final:	7232
1956:	6866 (WDR-9)
Final:	7242 (WDR-9)
how to read serial numbers...

Belt Pulley

Belt Pulley
Diameter:	14 inches 35 cm
Width:	8.5 inches 21 cm
RPM:	707
Speed:	2593 ft/min 790.35 meters/min

Production

Production Manufacturer:McCormick-Deering (a part of International Harvester)
Type:Standard-tread tractor
Factories:Milwaukee, Wisconsin, USA
Melrose Park, Illinois, USA

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 WD-9 Power

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
power test details ...

1940 - 1954

Standard-tread tractor

Series:

Series:	WD-9
	Super WD-9 ↓

Nebraska Tractor Test 370

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

McCormick-Deering WD-9 Engine

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 ...

1940 - 1954

Standard-tread tractor

Series:

Series:	WD-9
	Super WD-9 ↓

Engine Detail

Engine Detail
International Harvester
diesel
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

Mechanical

Mechanical Chassis:4x2 2WD
Steering:manual
Brakes:differential mechanical contracting band
Cab:Open operator station.
Transmission:5-speed
Transmission details ...

1940 - 1954

Standard-tread tractor

Series:

Series:	WD-9
	Super WD-9 ↓

Transmission

Transmission
Transmission:	gear
Gears:	5 forward and 1 reverse

Speeds

Speeds

Dimensions & Tires

Dimensions & Tires Weight:6,650 lbs
3016 kg
Front tire:30-6
Rear tire:48-12
Full dimensions and tires ...

1940 - 1954

Standard-tread tractor

Series:

Series:	WD-9
	Super WD-9 ↓

McCormick-Deering WD-9 Tires

McCormick-Deering WD-9 Tires
Ag front:	30-6 steel
Ag rear:	48-12 steel
Ag front:	7.50x18
Ag rear:	14.00x21

Dimensions

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

WD-9 Serial Numbers

WD-9 Serial Numbers Location:Serial number plate near the fuel tank.
1940:501
1941:578
1942:2993
1943:3651
1944:5394
1945:11459
1946:17289
1947:22714
1948:29207
1949:36159
1950:45551
1951:51739
1952:59407
1953:64014

how to read serial numbers...