McCormick-Deering O-4

Production ended · 2WD

Belt power

24 hp

Weight
4,320 lb
Engines
1 Gasoline
Built
2,721
Price new
no record

Power

Power specifications
Engineno record
PTOno record
Drawbarno record
Belt pulley24 hp claimed; kerosene
Listed power30 hp belt basis

Engines

Engines fitted to the McCormick-Deering O-4
International Harvester 2.5L 4-cyl gasolineGasoline · 4 cyl152 ci
Engine details
International Harvester 2.5L 4-cyl gasoline
Bore × stroke
3.38 in × 4.45 in
Rated speed
1,650 rpm
Compression
5.9:1 (high-compression gasoline)
Cooling
liquid-cooled
Firing order
1-3-4-2

Transmissions

Transmissions for the McCormick-Deering O-4
5-speed geargear5F / 1R

Weight

Weight specifications
Weight4,320 lb shipping
Shipping4,320 lb

Dimensions

Dimensions specifications
Wheelbase66.8 in
Length120.9 in
Width60.2 in
Height60.2 in

Capacities

Capacities specifications
Fuel tank17.5 gal
Auxiliary fuel0.8 gal

Hydraulics

Hydraulics specifications
Pump flowno record

Hitch

Hitch specifications
Rear lift capacityno record

PTO

PTO specifications
Rear PTO speeds540

Chassis

Chassis specifications
Drive2WD
SteeringManual steering
CabOpen operator station

Tires

Tires specifications
Front5.50-16
Rear12-26

Production

Production specifications
Total built2,721
FactoriesRock Island, Illinois, USA
Built byMcCormick-Deering

Variants

  • W-4 standard
  • O-4 orchard
  • OS-4 orchard, without full sheet metal

Serial numbers

Left side of tractor, on clutch housing.

First serial number by year
YearFirst serial
1940OBH501
1941OBH943
1942OBH4056
1943OBH5693
1944OBH7593
1945OBH11171
1946OBH13934
1947OBH16022
1948OBH18880
1949OBH21912
1950OBH24470
1951OBH28167
1952OBH31214
1953OBH33067

Literature

  • General Line Catalog International Harvester, 1949