McCormick-Deering Super WD-9

The McCormick-Deering Super WD-9 is a tractor produced by Mccormick Deering. It is equipped with a 349.9 ci 5.7 L engine. Transmission: 5 forward and 1 reverse. Operating weight: 7,300 lbs 3311 kg.

Overview

	1953 - 1956 Standard-tread tractor

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

Variants
Super WDR-9	rice special

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

McCormick-Deering Super WD-9 Transmission
5-speed gear
Transmission details ...

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
Performance test details ...

Mechanical
Two-wheel drive
Steering	manual
Mechanical disc brakes
Open operator station.

Power Take-off (PTO)
Rear PTO Type	540

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 ...

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

References
Farmall Letter Series Tractors by Lee Klancher
McCormick Super WD-9 Diesel Tractor published by International Harvester

Engine

Engine Detail — 349.9 ci / 5.7 L Diesel

Manufacturer	International Harvester
Fuel Type	Diesel
Configuration	4-cylinder, liquid-cooled vertical I-head
Displacement	349.9 ci 5.7 L
Bore/Stroke	4.50x5.50 inches 114 x 140 mm
Compression	15.6:1
Rated RPM	1500
Starter	gasoline-start
Starter volts	12
Coolant capacity	36 qts 34.1 L

McCormick-Deering Super WD-9 Engine

Transmission

Transmission — 5 forward and 1 reverse gear

Type	gear
Gears	5 forward and 1 reverse
Clutch	dry disc

Dimensions

McCormick-Deering Super WD-9 Tires
Ag front	7.50x18
Ag rear	18.00x26

Dimensions
Wheelbase	83.4 inches 211 cm
Length	140 inches 355 cm
Width	81 inches 205 cm
Height	83 inches 210 cm
Weight	7,300 lbs 3311 kg
Ballasted weight	12,790 lbs 5801 kg
Front tread	52 inches 132 cm
Rear tread	66.5 inches 168 cm

Tests

Nebraska Tractor Test 518
Diesel 5-speed 2WD May 10 - 19, 1954 Link: Nebraska Tractor Test 518 file
Belt power (max)	65.19 hp 48.6 kW
Belt fuel use (max)	4.5 gal/hour 17.0 l/hour
Drawbar performance
Max power	57.37 hp 42.8 kW
Gear 3 used for power test.
Max pull	8,416 lbs 3817 kg
Gear 1 used for pull test.

Photos

McCormick-Deering Super WD-9