Compare/International Harvester TD-9 vs International Harvester W-400

International Harvester TD-9 vs International Harvester W-400

Verdict: International Harvester TD-9 vs International Harvester W-400

The International Harvester TD-9 and the International Harvester W-400 are both tractors — here is how they stack up on the figures that matter. International Harvester TD-9 leads on rated power with 50 hp against 49 hp. International Harvester W-400 is the lighter machine (6,158 kg vs 9,805 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester TD-9 holds more fuel (117.3 L vs 68.1 L) for longer stints between fills. International Harvester W-400 is the newer design (1955 vs 1939). In short: choose the International Harvester TD-9 for outright pulling power, or the International Harvester W-400 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

International Harvester

Fit score

Best match

Clear

International Harvester

Fit score

Best match

Clear

Rated power

50 hp

49 hp

Confidence

40%

Guide price

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Overview

Manufacturer

International HarvesterReference

Diesel 5-speed crawlerJune 25 - July 10, 1951Link: Nebraska Tractor Test 461 fileReference

The Torque Amplifier (TA) uses a planetary gearset to provide a shift between direct-drive (DD) and the TA underdrive.Reference

Total built

59,800Reference

1,118 (diesel)Reference

Drive

crawlerReference

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Original price

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$3,400 (1956)Reference

Steering

—

hydraulic powerReference

Variants

400

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Row-crop version (Farmall)Reference

T-9

gasolineReference

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TD-9

dieselReference

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Engine

Fuel tank

117.3 LReference

Aux. fuel

2.6 LReference

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Engine

36.9 kWReference

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Drawbar (claimed)

30.2 kWReference

32.7 kWReference

Drawbar (tested)

29.5 kWReference

35.3 kWReference

Belt (tested)

34.8 kWReference

38.7 kWReference

Displacement

5.5 LReference

4.3 LReference

Bore/Stroke

112 x 140 mmReference

102 x 133 mmReference

Power

38.4 kWReference

—

Air cleaner

oil bathReference

—

Compression

15.7:1Reference

8.33:1Reference

Rated RPM

1400Reference

1450Reference

Idle RPM

500-1555Reference

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Operating RPM

900-1400Reference

—

Firing order

1-3-4-2Reference

Starter volts

12Reference

Oil capacity

20.8 LReference

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Coolant capacity

49.2 LReference

27.4 LReference

Belt power (max)

34.8 kWReference

37.8 kWReference

Max power

29.5 kWReference

35.3 kWReference

Transmission

Type

gearReference

partial power shiftReference

Gears

5 forward and 1 reverseReference

10 forward and 2 reverseReference

Clutch

dry discReference

—

Transmission

—

International Harvester Torque AmplifierReference

PTO & Hydraulics

Rear PTO Type

540 (1.375)Reference

540Reference

PTO (claimed)

—

36.2 kWReference

Rear PTO

—

independentReference

Dimensions

Weight

9805 to 10800 poundsReference

6158 to 6550 poundsReference

Length

289 cmReference

330 cmReference

Height (exhaust)

200 cmReference

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Gauge

152 cmReference

—

Shipping

4617 kgReference

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Operating

4898 kgReference

2971 kgReference

Front tire

—

6.50-18Reference

Rear tire

—

15.00-30Reference

Ag front

—

6.50-18Reference

Ag rear

—

15.00-30Reference

Height

—

237 cmReference

Ballasted

—

4741 kgReference

TD-9 Serial Numbers

1940

501Reference

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1941

2174Reference

—

1942

4164Reference

—

1943

8664Reference

—

1944

11912Reference

—

1945

18247Reference

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1946

23692Reference

—

1947

26289Reference

—

1948

29512Reference

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1949

32973Reference

—

1950

36927Reference

—

1951

40398Reference

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1952

44710Reference

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1953

47848Reference

—

1954

52599Reference

501Reference

1955

56208Reference

510Reference

1956

58819Reference

2187Reference

Location:

Serial number plate on the lower-left of the dashboard.Reference

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International Harvester TD-9 Tracks

Width

149 cmReference

193 cmReference

Length on ground

161 cmReference

—

Area on ground

1.3 m²Reference

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Test results

Belt fuel use (max)

12.5 l/hourReference

21.6 l/hourReference

Max pull

4494 kgReference

3031 kgReference

W-400 Serial Number Location

W-400 Serial Numbers

Final

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3858Reference

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.