McCormick-Deering TA-40 Specs ( 1932-1936 )
Overview
The McCormick-Deering TA-40 is an agricultural crawler tractor produced in Chicago, Illinois, between 1932 and 1936 with a total production of 1,313 units. It features an International Harvester 4.6L 6-cylinder liquid-cooled gasoline engine and a gear transmission with five forward and one reverse speed. Official Nebraska Tractor Test 211 data records a maximum drawbar pull of 9,399 lbs and a total machine weight of 10,790 lbs.
Ideal Applications
Tested Drawbar Performance:
In Nebraska Tractor Test 211, the crawler recorded a maximum drawbar pull of 9,399 lbs and a tested power output of 42.72 hp at 1600 RPM.
Belt Pulley Specifications:
The machine is equipped with a 16.75-inch diameter belt pulley with a 9-inch width that produces a tested maximum of 46.48 hp at 603.8 RPM.
Engine and Fuel Configuration:
The 278.7 ci vertical I-head engine utilizes a 42-gallon gasoline fuel tank and a 48-quart liquid coolant capacity.
Production
| Description | Agricultural Crawler tractor / Built in Chicago, Illinois, USA |
|---|---|
| Manufacturer | McCormick-Deering (a part of International Harvester) |
| Total built | 1,313 |
Engine
| Engine type | International Harvester 4.6L 6-cyl gasoline |
|---|---|
| Fuel tank | 42 gal (159.0 L) |
| Bore/Stroke | 3.625x4.50 inches (92 x 114 mm) |
| Coolant capacity | 48 qts (45.4 L) |
| Description | International Harvester / gasoline / 6-cylinder / liquid-cooled vertical I-head |
| Displacement | 278.7 ci (4.6 L) |
| Rated RPM | 1600 |
| Belt (claimed) | 45 hp (33.6 kW) |
| Belt (tested) | 46.48 hp (34.7 kW) |
| Drawbar (claimed) | 35 hp (26.1 kW) |
| Drawbar (tested) | 42.72 hp (31.9 kW) |
Transmission
| Clutch | dry disc |
|---|---|
| Gears | 5 forward and 1 reverse |
| Transmission type | 5-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Drive | crawler |
Dimensions & Tires
| Height | 65 inches (165 cm) |
|---|---|
| Length | 141 inches (358 cm) |
| Weight | 10790 lbs (4894 kg) |
| Width | 65 inches (165 cm) |
Belt Pulley
| Diameter | 16.75 inches (42 cm) |
|---|---|
| RPM | 603.8 |
| Width | 9 inches (22 cm) |
Dimensions & Tracks
| Description | Tracks |
|---|---|
| Weight | 10790 lbs (4894 kg) |
Nebraska Tractor Test 211
| Belt fuel use (max) | 5.2 gal/hour (19.7 l/hour) |
|---|---|
| Belt power (max) | 46.48 hp (34.7 kW) |
| Description | Gasoline 5-speed crawlerOctober 11 - 20, 1932Link: Nebraska Tractor Test 211 file / Drawbar performance / Gear 2 used for power test. / Gear 1 used for pull test. |
| Max power | 42.72 hp (31.9 kW) |
| Max pull | 9399 lbs (4263 kg) |
References
| Description | McCormick-Deering Tractors - Modern Agricultural Power published in 1933, by International Harvester |
|---|
TA-40 Serial Numbers
| 1932 | 501 |
|---|---|
| 1933 | 834 |
| 1934 | 1471 |
| 1935 | 3086 |
| 1936 | 4649 |
| Description | FAQ: How to read a serial number table. |
| Final | 6624 |
| Location: | Seat, right side |