Compare/International Harvester D-439 vs International Harvester TD-340

International Harvester D-439 vs International Harvester TD-340

Verdict: International Harvester D-439 vs International Harvester TD-340

The International Harvester D-439 and the International Harvester TD-340 are both tractors — here is how they stack up on the figures that matter. International Harvester TD-340 leads on rated power with 40 hp against 39 hp. International Harvester D-439 is the lighter machine (1,584 kg vs 3,175 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester TD-340 holds more fuel (56.8 L vs 54.9 L) for longer stints between fills. International Harvester D-439 is the newer design (1962 vs 1959). In short: choose the International Harvester TD-340 for outright pulling power, or the International Harvester D-439 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Acreage600 acBudgetMain crop / use

Fit & specs

International Harvester

Fit score

Best match

Clear

International Harvester

Fit score

Best match

Clear

Rated power

39 hp

40 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

International HarvesterReference

With 10-28 rear tires.Reference

Gear 1 used for pull test.Reference

Total built

17,627Reference

—

Differential lock

mechanical rearReference

—

Drive

—

crawlerReference

Engine

Fuel tank

54.9 LReference

56.8 LReference

Engine (gross)

29.1 kWReference

—

Displacement

2.4 LReference

2.7 LReference

Bore/Stroke

87 x 102 mmReference

94 x 98 mmReference

Power (gross)

29.1 kWReference

—

Air cleaner

oil bathReference

—

Compression

19:1Reference

19.7:1Reference

Rated RPM

1900Reference

2000Reference

Torque

146.4 NmReference

—

Torque RPM

1450Reference

—

Starter volts

12Reference

Oil capacity

1.9 LReference

—

Coolant capacity

14.0 LReference

—

Drawbar (claimed)

—

24.6 kWReference

Belt (claimed)

—

29.8 kWReference

Drawbar (tested)

—

23.6 kWReference

Power at rated engine speed

—

29.7 kWReference

Max power

—

23.6 kWReference

PTO & Hydraulics

Rear Type

II/IReference

—

Rear PTO Type

540 (1.375)Reference

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PTO (tested)

—

29.7 kWReference

Power at rated PTO speed

—

27.0 kWReference

Dimensions

Wheelbase

187 cmReference

—

Weight

1584 kgReference

3175 kgReference

Front tire

5.00-16Reference

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Rear tire

10-28Reference

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Ag front

7.50-16Reference

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Ag rear

11-36Reference

—

Length

293 cmReference

317 cmReference

Width

164 cmReference

147 cmReference

Height

156 cmReference

153 cmReference

Operating weight

—

3175 kgReference

Gauge

—

121 cmReference

Transmission

AgriomaticReference

Torque AmplifierReference

Type

—

shuttleReference

Gears

—

5 forward and reverseReference

Clutch

—

dry discReference

Speeds

Variants

T-340

—

gasolineReference

International Harvester TD-340 attachments

TD-340 Serial Numbers

1959

—

501Reference

1960

—

1979Reference

1961

—

5396 (Series A)Reference

1962

—

5449 (Series A)Reference

1963

—

6397 (Series A)Reference

1964

—

7338 (Series A)Reference

1965

—

8525 (Series A)Reference

Location:

—

Serial number plate on the instrument panel.Reference

Links

Attachment overview

Wagner 65-T Backhoe

Backhoe type

—

Wagner 65-T BackhoeReference

Digging depth

—

304 cmReference

Reach from pivot

—

381 cmReference

Loading height

—

259 cmReference

Swing Arc

—

180°Reference

International Harvester TD-340 Tracks

Length on ground

—

167 cmReference

Area on ground

—

1.2 m²Reference

Test results

Fuel use

—

11.0 l/hourReference

Max pull

—

3084 kgReference

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.