McCormick-Deering TD-40 Specs ( 1933-1939 )
Overview
The McCormick-Deering TD-40 is an agricultural crawler tractor manufactured by International Harvester between 1933 and 1939. It features a 7.6L 4-cylinder liquid-cooled diesel engine and a five-speed transmission, with Nebraska Tractor Test results showing a maximum drawbar pull of 10,487 lbs.
Ideal Applications
Tested Power and Pulling Performance:
In Nebraska Tractor Test 298, this model achieved a maximum tested drawbar power of 48.53 hp and a maximum pull of 10,487 lbs when operating in first gear.
Belt Pulley and PTO Specifications:
This crawler is equipped with a 16.75-inch diameter belt pulley operating at 591 RPM and a rear 535-type PTO for stationary or implement power delivery.
Crawler Configuration and Track Widths:
The mechanical drive utilizes a crawler system with available track widths ranging from 8 inches to 30 inches to support a machine weight between 12,400 and 12,750 lbs.
Production
| Description | Agricultural Crawler tractor / Built in Melrose Park, Illinois, USA |
|---|---|
| Manufacturer | McCormick-Deering (a part of International Harvester) |
Engine
| Aux. fuel | 1.25 gal (4.7 L) |
|---|---|
| Engine type | International Harvester 7.6L 4-cyl diesel |
| Fuel tank | 42 gal (159.0 L) |
| Bore/Stroke | 4.75x6.50 inches (121 x 165 mm) |
| Compression | 15:1 |
| Coolant capacity | 60 qts (56.8 L) |
| Description | International Harvester / diesel / 4-cylinder / liquid-cooled vertical I-head |
| Displacement | 460.7 ci (7.6 L) |
| Oil capacity | 12 qts (11.4 L) |
| Rated RPM | 1100 |
| Belt (claimed) | 48 hp (35.8 kW) |
| Belt (tested) | 53.46 hp (39.9 kW) |
| Drawbar (claimed) | 37 hp (27.6 kW) |
| Drawbar (tested) | 48.53 hp (36.2 kW) |
Transmission
| Gears | 5 forward and 1 reverse |
|---|---|
| Transmission type | 5-speed |
Mechanical
| Cab | Open operator station. Optional canopy or steel cab. |
|---|---|
| Drive | crawler |
PTO
| Rear PTO Type | 535 |
|---|
Dimensions & Tires
| Ground clearance | 11.75 inches (29 cm) |
|---|---|
| Height (exhaust) | 82.5 inches (209 cm) |
| Length | 140 inches (355 cm) |
| Weight | 12400 lbs (5624 kg) |
| Width | 63.75 inches (161 cm) |
Belt Pulley
| Diameter | 16.75 inches (42 cm) |
|---|---|
| RPM | 591 |
| Width | 9 inches (22 cm) |
Dimensions & Tracks
| Description | 16-inch tracks |
|---|---|
| Weight | 12400 to 12750 pounds |
McCormick-Deering TD-40 Tracks
| Width | 16 inches (40 cm) / 8 inches (20 cm) / 18 inches (45 cm) / 20 inches (50 cm) / 22 inches (55 cm) / 24 inches (60 cm) / 30 inches (76 cm) |
|---|
Nebraska Tractor Test 230
| Belt power (max) | 48.26 hp (36.0 kW) |
|---|---|
| Description | Diesel 5-speed crawlerOctober 25 - November 13, 1934Link: Nebraska Tractor Test 230 file / Drawbar performance / Gear 3 used for power test. / Gear 1 used for pull test. |
| Max power | 43.25 hp (32.3 kW) |
| Max pull | 9528 lbs (4321 kg) |
Nebraska Tractor Test 298
| Belt fuel use (max) | 3.7 gal/hour (14.0 l/hour) |
|---|---|
| Belt power (max) | 53.46 hp (39.9 kW) |
| Description | Diesel 5-speed crawlerApril 20 - 30, 1938Link: Nebraska Tractor Test 298 file / Drawbar performance / Gear 1 used for power test. / Gear 1 used for pull test. |
| Max power | 48.53 hp (36.2 kW) |
| Max pull | 10487 lbs (4756 kg) |
References
| Description | International Tractors - The Line That Offers You A Choice published in 1933, by International Harvester / McCormick-Deering Diesel published by International Harvester / McCormick-Deering Tractors - Modern Agricultural Power published in 1933, by International Harvester |
|---|
TD-40 Serial Numbers
| 1933 | 973 |
|---|---|
| 1934 | 1472 |
| 1935 | 3069 |
| 1936 | 4651 |
| 1937 | 6654 |
| 1938 | 7922 |
| Description | FAQ: How to read a serial number table. |
| Location: | Seat, right side |
Tractor Tests
| Description | NTTL 230: diesel 5-speed crawler / NTTL 298: diesel 5-speed crawler |
|---|