McCormick-Deering 10-20 Specs ( 1923-1939 )
Production
| Description | Standard-tread tractor / Built in Milwaukee, Wisconsin, USA |
|---|---|
| Manufacturer | McCormick-Deering (a part of International Harvester) |
Engine
| Aux. fuel | 0.75 gal (2.8 L) |
|---|---|
| Engine type | International Harvester 4.6L 4-cyl kerosene |
| Fuel tank | 14.5 gal (54.9 L) |
| Bore/Stroke | 4.25x5.00 inches (108 x 127 mm) |
| Coolant capacity | 36 qts (34.1 L) |
| Description | International Harvester / kerosene / 4-cylinder / liquid-cooled vertical, valve-in-head |
| Displacement | 283.7 ci (4.6 L) |
| Rated RPM | 1000 |
| Belt (claimed) | 20 hp (14.9 kW) |
| Belt (tested) | 24.8 hp (18.5 kW) |
| Drawbar (claimed) | 10 hp (7.5 kW) |
| Drawbar (tested) | 19.60 hp (14.6 kW) |
Transmission
| Clutch | dry disc |
|---|---|
| Gears | 3 forward and 1 reverse |
| Transmission type | 3-speed unsynchronized gear |
| Type | unsynchronized gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Manual steering |
| Drive type | Two-wheel drive |
Dimensions & Tires
| Height | 62 inches (157 cm) |
|---|---|
| Length | 123 inches (312 cm) |
| Weight | 3700 lbs (1678 kg) |
| Width | 60 inches (152 cm) |
| Front tire | 30x4.50 |
| Rear tire | 42x12 |
| Weight | 3700 lbs (1678 kg) |
| Ag front | 30x4.50 stel |
| Ag rear | 42x12 steel |
10-20 Serial Number Location
| Description | Below the tractor's fuel tank. |
|---|
10-20 Serial Numbers
| 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 |
| Description | FAQ: How to read a serial number table. |
Belt Pulley
| Diameter | 15.25 inches (38 cm) |
|---|---|
| RPM | 661 |
| Width | 7 inches (17 cm) |
Nebraska Tractor Test 142
| Belt fuel use (max) | 2.7 gal/hour (10.2 l/hour) |
|---|---|
| Belt power (max) | 24.8 hp (18.5 kW) |
| Description | Kerosene 3-speed 2WDOctober 3 - 8, 1927Link: Nebraska Tractor Test 142 file / Drawbar performance |
| Max power | 19.60 hp (14.6 kW) |
| Max pull | 2,955 lbs (1340 kg) |
Nebraska Tractor Test 95
| Belt fuel use (max) | 2.3 gal/hour (8.7 l/hour) |
|---|---|
| Belt power (max) | 21.84 hp (16.3 kW) |
| Description | Kerosene 3-speed 2WDSeptember 25 - October 3, 1923Link: Nebraska Tractor Test 95 file / Drawbar performance |
| Max power | 15.54 hp (11.6 kW) |
| Max pull | 2,640 lbs (1197 kg) |
References
| Description | International Tractors - The Line That Offers You A Choice published in 1933, by International Harvester / Will A Tractor Pay On Your Farm? published in 1930, by International Harvester / McCormick-Deering Tractors - Modern Agricultural Power published in 1933, by International Harvester |
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Tractor Tests
| Description | NTTL 95: kerosene 3-speed 2WD / NTTL 142: kerosene 3-speed 2WD |
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