Compare/International Harvester 624 vs International Harvester 674

International Harvester 624 vs International Harvester 674

Verdict: International Harvester 624 vs International Harvester 674

The International Harvester 624 and the International Harvester 674 are both tractors — here is how they stack up on the figures that matter. International Harvester 674 leads on rated power with 59 hp against 58 hp. International Harvester 674 is the lighter machine (2,562 kg vs 5,732 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. International Harvester 674 holds more fuel (75.7 L vs 70.0 L) for longer stints between fills. International Harvester 674 is the newer design (1973 vs 1965). In short: choose the International Harvester 674 for outright pulling power, or the International Harvester 624 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

58 hp

59 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

International HarvesterReference

The Agriomatic S provides an additional four forward speeds selected by a right-hand power shift lever. Pushing the lever forward engages the Agriomatic range, while rearward uses the conventional range. The Agriomatic speeds are between high and low ranges, so this provides an undershift in high range and an overshift in low range. In reverse range it operates as a power shuttle.Reference

Diesel 8-speed 2WDApril 28 - May 17, 1973Link: Nebraska Tractor Test 1129 fileReference

Differential lock

mechanical rearReference

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Factories

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Louisville, Kentucky, USAReference

Engine

Fuel tank

70.0 LReference

75.7 LReference

Engine

43.3 kWReference

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Displacement

3.4 LReference

3.3 LReference

Bore/Stroke

98 x 111 mmReference

97 x 112 mmReference

Power

43.3 kWReference

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Fuel system

direct injectionReference

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Compression

16:1Reference

7.33:1Reference

Rated RPM

2100Reference

2400Reference

Idle RPM

650-2310Reference

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Torque

199.3 NmReference

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Torque RPM

1600Reference

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Firing order

1-3-4-2Reference

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Starter volts

12Reference

Coolant capacity

15.5 LReference

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Intake valve clearance

0.254 mmReference

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Exhaust valve clearance

0.305 mmReference

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Oil capacity

37.9 LReference

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Oil change

200 hReference

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Drawbar (tested)

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40.6 kWReference

Air cleaner

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dual stage dryReference

Power at rated engine speed

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45.9 kWReference

Max power

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40.6 kWReference

Transmission

Agriomatic SReference

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Gears

12 forward and 4 reverseReference

8 forward and 4 reverseReference

Type

partial power shiftReference

gearReference

Clutch

—

dry discReference

PTO & Hydraulics

Pump flow

28.4 lpmReference

49.2 lpmReference

Rear Type

II/IReference

IIReference

Control

position and draft controlReference

Rear lift

1700 kgReference

1800 kgReference

Rear PTO

independentReference

Rear PTO Type

540/1000Reference

540 (1.375)Reference

PTO (tested)

—

45.9 kWReference

Power at rated PTO speed

—

43.8 kWReference

Dimensions

Wheelbase

212 cmReference

214 cmReference

Weight

5732 to 6592 poundsReference

2562 kgReference

Front tire

7.50-16Reference

Rear tire

13-30 (2WD)Reference

16.9-30Reference

Standard tires (ag)

Front: 10-24. Rear: 14-34 (4WD)Reference

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Ag rear

14-34Reference

16.9-30Reference

Length

334 cmReference

332 cmReference

Width

181 cmReference

177 cmReference

Height (steering wheel)

157 cmReference

2WD Weight

2600 kgReference

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4WD Weight

2990 kgReference

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Ground clearance

40 cmReference

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Front tread

132 to 172 cmReference

137 to 203 cmReference

Rear tread

141 to 182 cmReference

142 to 193 cmReference

Ag front

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7.50-16Reference

Height (cab)

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236 cmReference

Operating weight

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2562 kgReference

Ballasted weight

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3941 kgReference

Clearance (rear axle)

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58 cmReference

Bar rear axle

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69 mmReference

624 Serial Numbers

1965

NT 800001Reference

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1966

---Reference

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1967

NT 809456Reference

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1968

NT 813620Reference

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1969

NT 818263Reference

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1970

NT 822042Reference

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1971

NT 824048Reference

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1972

NT 824720Reference

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Location:

Right side of tractor, mid-frameReference

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Electrical

Charging system

Bosch generatorReference

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Charging amps

16Reference

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Battery volts

12Reference

Ground

—

negativeReference

Speeds

674 Serial Number Location

674 Serial Numbers

1973

—

100001Reference

1974

—

101862Reference

1975

—

103172Reference

1976

—

105946Reference

1977

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107555Reference

Test results

Fuel use

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15.1 l/hourReference

Max pull

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3099 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.