McCormick-Deering W-6

The McCormick-Deering W-6 is a tractor produced by Mccormick Deering. It is equipped with a 247.7 ci 4.1 L engine. The rated power output is 36.97 hp 27.6 kW. Transmission: 5 forward and 1 reverse. Operating weight: 4050 lbs 1837 kg.

Overview

	1940 - 1953 Standard-tread tractor
1940 - 1953
Standard-tread tractor

Production
Manufacturer	McCormick-Deering (a part of International Harvester)
Standard-tread tractor
Built in Rock Island, Illinois, USA
Total built	28,378
Original price was $2,400 in 1953
The McCormick-Deering W-6 was the "regular" or standard-tread version of the Farmall M.

Variants
WD-6	diesel
I-6	industrial
M	row-crop

McCormick-Deering W-6 Transmission
5-speed sliding gear
Transmission details ...

McCormick-Deering W-6 Power
Drawbar (claimed)	32.8 hp 24.5 kW
Belt (claimed)	36.7 hp 27.4 kW
Drawbar (tested)	32.48 hp 24.2 kW
Belt (tested)	36.97 hp 27.6 kW
Performance test details ...

Mechanical
Two-wheel drive
Manual steering
Open operator station.

Power Take-off (PTO)
Rear PTO	transmission
Rear PTO Type	540

Dimensions & Tires
Wheelbase	76 inches 193 cm
Weight	4050 lbs 1837 kg
Front tire	6.00-16
Rear tire	13-30
Full dimensions and tires ...

Belt Pulley
Diameter	11 inches 27 cm
Width	7.5 inches 19 cm
RPM	899
Speed	2588 ft/min 788.82 meters/min

Electrical
Ground	positive

References
Farmall Letter Series Tractors by Lee Klancher
Three New McCormick-Deering Standard Tractors published in 1940, by International Harvester
McCormick-Deering Standard Tractors published in 1946, by International Harvester
McCormick Standard Tractors published by International Harvester
General Line Catalog published in 1949, by International Harvester

Engine

Engine options
International Harvester 4.1L 4-cyl distillate
International Harvester 4.1L 4-cyl gasoline

Engine Detail — 247.7 ci / 4.1 L Kerosene

Manufacturer	International Harvester
Configuration	4-cylinder, liquid-cooled vertical I-head
distillate
Displacement	247.7 ci 4.1 L
Bore/Stroke	3.875x5.25 inches 98 x 133 mm
Air cleaner	oil bath
Compression	4.75:1
	4.5:1 (kerosene)
Rated RPM	1450
Firing order	1-3-4-2
Coolant capacity	25 qts 23.7 L
Sparkplug gap	0.025 inches 0.635 mm
Point gap	0.013 inches 0.330 mm
Intake valve clearance	0.017 inches (hot) 0.432 mm
Exhaust valve clearance	0.017 inches (hot) 0.432 mm

McCormick-Deering W-6 Engine

Engine Detail — 247.7 ci / 4.1 L Gasoline

Manufacturer	International Harvester
Fuel Type	Gasoline
Configuration	4-cylinder, liquid-cooled vertical I-head
Displacement	247.7 ci 4.1 L
Bore/Stroke	3.875x5.25 inches 98 x 133 mm
Air cleaner	oil bath
Compression	5.65:1
Rated RPM	1450
Firing order	1-3-4-2

Transmission

Transmission — 5 forward and 1 reverse sliding gear

Type	sliding gear
Gears	5 forward and 1 reverse
Clutch	279.4mm mechanical dry disc
Oil capacity	52 qts 49.2 L

Dimensions

McCormick-Deering W-6 Tires
Ag front	6.00-16
Ag rear	13-30

Dimensions
Wheelbase	76 inches 193 cm
Length	124.4 inches 315 cm
Width	69.75 inches 177 cm
Height	70.125 inches 178 cm
Height (hood)	59 inches 149 cm
Shipping weight	4050 lbs 1837 kg
Front tread	46.75 inches 118 cm
Rear tread	53 inches 134 cm

Tests

Tractor Tests
NTTL 354: distillate 5-speed 2WD
NTTL 355: gasoline 5-speed 2WD

Nebraska Tractor Test 354
Distillate 5-speed 2WD September 16 - 23, 1940 Link: Nebraska Tractor Test 354 file
Belt power (max)	34.23 hp 25.5 kW
Belt fuel use (max)	2.8 gal/hour 10.6 l/hour
Drawbar performance
Max power	31.40 hp 23.4 kW
Gear 3 used for power test.
Max pull	4,755 lbs 2156 kg
Gear 1 used for pull test.

Nebraska Tractor Test 355
Gasoline 5-speed 2WD September 16 - 27, 1940 Link: Nebraska Tractor Test 355 file
Belt power (max)	36.97 hp 27.6 kW
Belt fuel use (max)	3.0 gal/hour 11.4 l/hour
Drawbar performance
Max power	32.48 hp 24.2 kW
Gear 2 used for power test.
Max pull	4,777 lbs 2166 kg
Gear 1 used for pull test.

Photos

McCormick-Deering W-6

McCormick-Deering W-6 running a threshing machine in 1950.