McCormick-Deering 10-20 tractor specifications

1923 - 1939

1923 - 1939 Standard-tread tractor

Production

Production Manufacturer:McCormick-Deering (a part of International Harvester)
Type:Standard-tread tractor

McCormick-Deering 10-20 Power

McCormick-Deering 10-20 Power Drawbar (claimed):10 hp
7.5 kW
Belt (claimed):20 hp
14.9 kW
Drawbar (tested):19.60 hp
14.6 kW
Belt (tested):24.8 hp
18.5 kW
power test details ...

1923 - 1939

Standard-tread tractor

Nebraska Tractor Test 95

Nebraska Tractor Test 95
Kerosene 3-speed 2WD September 25 - October 3, 1923 Link: Nebraska Tractor Test 95 file
Belt power (max):	21.84 hp 16.3 kW
Belt fuel use (max):	2.3 gal/hour 8.7 l/hour
Drawbar performance
Max power:	15.54 hp 11.6 kW
Max pull:	2,640 lbs 1197 kg

Nebraska Tractor Test 142

Nebraska Tractor Test 142
Kerosene 3-speed 2WD October 3 - 8, 1927 Link: Nebraska Tractor Test 142 file
Belt power (max):	24.8 hp 18.5 kW
Belt fuel use (max):	2.7 gal/hour 10.2 l/hour
Drawbar performance
Max power:	19.60 hp 14.6 kW
Max pull:	2,955 lbs 1340 kg

McCormick-Deering 10-20 Engine

McCormick-Deering 10-20 Engine International Harvester 4.6L 4-cyl kerosene Fuel tank:14.5 gal
54.9 L
Aux. fuel:0.75 gal
2.8 L
Engine details ...

1923 - 1939

Standard-tread tractor

Engine Detail

Engine Detail
International Harvester
kerosene
4-cylinder
liquid-cooled vertical, valve-in-head
Displacement:	283.7 ci 4.6 L
Bore/Stroke:	4.25x5.00 inches 108 x 127 mm
Rated RPM:	1000
Coolant capacity:	36 qts 34.1 L

Mechanical

Mechanical Chassis:4x2 2WD
Steering:manual
Cab:Open operator station.
Transmission:3-speed unsynchronized gear
Transmission details ...

1923 - 1939

Standard-tread tractor

Transmission

Transmission
Type:	unsynchronized gear
Gears:	3 forward and 1 reverse
Clutch:	dry disc

Speeds

Speeds

Dimensions & Tires

Dimensions & Tires Weight:3700 lbs
1678 kg
Front tire:30x4.50
Rear tire:42x12
Full dimensions and tires ...

1923 - 1939

Standard-tread tractor

McCormick-Deering 10-20 Tires

McCormick-Deering 10-20 Tires
Ag front:	30x4.50 stel
Ag rear:	42x12 steel

Dimensions

Dimensions
Length:	123 inches 312 cm
Width:	60 inches 152 cm
Height:	62 inches 157 cm
Weight:	3700 lbs 1678 kg

10-20 Serial Numbers

10-20 Serial Numbers Location:Below the tractor's fuel tank.
photo of 10-20 serial number
1923:KC501
1924:KC7641
1925:KC18869
1926:KC37728
1927:KC62824
1928:KC89470
1929:KC119823
1930:KC159111
1931:KC191486
1932:KC201013
1933:-----
1934:KC204239
1935:KC206179
1936:KC207275
1937:KC210235
1938:KC212425
1939:KC214886

how to read serial numbers...