Compare/International Harvester 323 vs International Harvester TD-6

International Harvester 323 vs International Harvester TD-6

Verdict: International Harvester 323 vs International Harvester TD-6

The International Harvester 323 and the International Harvester TD-6 are both tractors — here is how they stack up on the figures that matter. International Harvester 323 leads on rated power with 23 hp against 22 hp. International Harvester 323 is the lighter machine (1,979 kg vs 7,280 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester TD-6 holds more fuel (75.7 L vs 60.2 L) for longer stints between fills. International Harvester 323 is the newer design (1966 vs 1940). In short: choose the International Harvester 323 for outright pulling power, or the International Harvester TD-6 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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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

23 hp

22 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

International HarvesterReference

With 12.4/11-28 rear tires.Reference

Diesel 5-speed crawlerJune 25 - July 10, 1951Link: Nebraska Tractor Test 462 fileReference

Total built

—

38,450Reference

Drive

—

crawlerReference

Final drives

—

bull gearReference

Engine

Fuel tank

60.2 LReference

75.7 LReference

Engine

20.6 kWReference

—

Displacement

1.8 LReference

4.1 LReference

Bore/Stroke

87 x 102 mmReference

98 x 133 mmReference

Power

20.6 kWReference

—

Rated RPM

1900Reference

1450Reference

Starter volts

12Reference

Oil capacity

34.0 LReference

8.5 LReference

Coolant capacity

7.5 LReference

39.7 LReference

Aux. fuel

—

2.5 LReference

Drawbar (claimed)

—

16.4 kWReference

Belt (claimed)

—

23.1 kWReference

Plows

—

4Reference

Drawbar (tested)

—

23.7 kWReference

Belt (tested)

—

28.5 kWReference

Air cleaner

—

oil bathReference

Firing order

—

1-3-4-2Reference

Starter

—

gasoline ignitionReference

Belt power (max)

—

28.5 kWReference

Max power

—

23.7 kWReference

Transmission

Type

gearReference

Gears

8 forward and 2 reverseReference

5 forward and 1 reverseReference

Clutch

225mm dry discReference

—

PTO & Hydraulics

PTO (claimed)

17.1 kWReference

—

Rear Type

IReference

—

Rear lift

1600 kgReference

—

Rear PTO Type

540Reference

540 (1.375)Reference

Dimensions

Wheelbase

181 cmReference

—

Weight

1979 kgReference

7280 to 7800 poundsReference

Front tire

6.00-16Reference

—

Rear tire

12.4/11-28Reference

—

Ag front

6.00-16Reference

—

Ag rear

12.4/11-28Reference

—

Length

295 cmReference

264 cmReference

Width

151 cmReference

134 cmReference

Height

224 cmReference

184 cmReference

Height (steering wheel)

144 cmReference

—

Ground clearance

37 cmReference

—

Front tread

121 to 185 cmReference

—

Rear tread

128 to 187 cmReference

—

Gauge

—

127 cmReference

Shipping

—

3392 kgReference

Speeds

Variants

T-6

—

gasoline engineReference

TD-6

—

diesel engineReference

TD-6 Serial Number Location

TD-6 Serial Numbers

1940

—

TDBK501Reference

1941

—

TDBK4435Reference

1942

—

TDBK8191Reference

1943

—

TDBK9297Reference

1944

—

TDBK9581Reference

1945

—

TDBK10828Reference

1946

—

TDBK12056Reference

1947

—

TDBK14516Reference

1948

—

TDBK17349Reference

1949

—

TDBK21146Reference

1950

—

TDBK24862Reference

1951

—

TDBK27536Reference

1952

—

TDBK31056Reference

1953

—

TDBK33157Reference

1954

—

TDBK35746Reference

1955

—

TDBK37470Reference

1956

—

TDBK38706Reference

Capacities

Diameter

—

31 cmReference

RPM

—

811Reference

International Harvester TD-6 Tracks

Length on ground

—

149 cmReference

Area on ground

—

0.8 m²Reference

Test results

Belt fuel use (max)

—

10.2 l/hourReference

Max pull

—

3688 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.