McCormick-Deering W-9

The McCormick-Deering W-9 is a tractor produced by Mccormick Deering. It is equipped with a 334.5 ci 5.5 L engine. Transmission: 5 forward and 1 reverse. Operating weight: 5950 to 6350 pounds.

Fuel & Capacities
Gasoline
Transmission
5 forward and 1 reverse
Operating Weight
5950 to 6350 pounds

Overview

McCormick-Deering W-9 tractor photo
1940 - 1953 Standard-tread tractor
Production
Manufacturer
McCormick-Deering (a part of International Harvester)
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
W-9
gasoline
WD-9
diesel
I-9
industrial
McCormick-Deering W-9 Transmission
5-speed sliding gear
Transmission details ...
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
Performance test details ...
Mechanical
Two-wheel drive
Steering
manual worm-type gear
Differential external contracting band brakes
Open operator station.
Dimensions & Tires
Weight
5950 to 6350 pounds
Front tire
30x6
Rear tire
48x12
Full dimensions and tires ...
Electrical
Ground
positive
References
W-9 references literature
Farmall Letter Series Tractors by Lee Klancher
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 5.5L 4-cyl gasoline
International Harvester 5.5L 4-cyl distillate

Engine Detail — 334.5 ci / 5.5 L Gasoline

Manufacturer
International Harvester
Fuel Type
Gasoline
Configuration
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 — 334.5 ci / 5.5 L Gasoline

Manufacturer
International Harvester
Configuration
4-cylinder, liquid-cooled
distillate
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

Transmission

Transmission — 5 forward and 1 reverse sliding gear

Type
sliding gear
Gears
5 forward and 1 reverse
Fifth gear was locked out on tractors equipped with steel wheels.
W-9  sliding gear speeds

Dimensions

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
Length
134.25 inches 340 cm
Width
68.5 inches 173 cm
Height
66 inches 167 cm
McCormick-Deering W-9 Weight
Shipping
5,950 lbs 2698 kg
Operating
6,350 lbs 2880 kg
Ballasted
10,090 lbs 4576 kg

Tests

Tractor Tests
NTTL 369: gasoline 5-speed 2WD
NTTL 371: distillate 5-speed 2WD
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
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.

Photos

McCormick-Deering W-9, right-front

McCormick-Deering W-9, right-front

McCormick-Deering W-9, left-front

McCormick-Deering W-9, left-front

McCormick-Deering W-9 operator station and controls.

McCormick-Deering W-9 operator station and controls.

McCormick-Deering WR-9 Rice Field Special.

McCormick-Deering WR-9 Rice Field Special.

McCormick-Deering WR-9 Rice Field Special.

McCormick-Deering WR-9 Rice Field Special.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Mccormick Deering McCormick-Deering W-9.

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours

Mccormick Deering McCormick-Deering W-9 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Mccormick Deering McCormick-Deering W-9.

Converted Equivalents:

Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS