International Harvester 424

The International Harvester 424 is a tractor produced by International Harvester. It is equipped with a 154 ci 2.5 L engine. The listed engine power is 36.91 hp 27.5 kW. Transmission: 8 forward and 2 reverse. Operating weight: 4,055 lbs 1839 kg.

Engine Power

36.91 hp 27.5 kW

Fuel & Capacities

Diesel

Transmission

8 forward and 2 reverse

Operating Weight

4,055 lbs 1839 kg

Overview

	1964 - 1967 Utility tractor

Production
Manufacturer	International Harvester
Utility tractor
Factories	Doncaster, England
	Louisville, Kentucky, USA
Original price	$3,300 (1967)

International Harvester 424 Transmission
8-speed sliding gear
Transmission details ...

International Harvester 424 Power
Drawbar (claimed)	32.1 hp 23.9 kW
PTO (claimed)	36.97 hp 27.6 kW
Drawbar (tested)	31.90 hp 23.8 kW
PTO (tested)	36.97 hp 27.6 kW
Performance test details ...

Mechanical
Two-wheel drive
Steering	power assist
Differential mechanical dry disc brakes
Open operator station.

Tractor hitch
Rear Type	I

Power Take-off (PTO)
Rear PTO	live
Rear PTO Type	540

Dimensions & Tires
Wheelbase	70 inches 177 cm
Weight	4,055 lbs 1839 kg
Front tire	5.50-16
Rear tire	12.4-28
Full dimensions and tires ...

References

Farm Loaders published in 1965, by International Harvester
Farm Loaders published in 1970, by International Harvester

Engine

Engine options
International Harvester 2.4L 4-cyl gasoline
International Harvester 2.5L 4-cyl diesel

Engine Detail — 145.3 ci / 2.4 L Gasoline

Manufacturer	International Harvester C-146
Fuel Type	Gasoline
Configuration	4-cylinder, liquid-cooled
Displacement	145.3 ci 2.4 L
Bore/Stroke	3.375x4.0625 inches 86 x 103 mm
Air cleaner	dry
Compression	7.6:1
Rated RPM	2000
Starter volts	12

Engine Detail — 154 ci / 2.5 L Diesel

Manufacturer	International Harvester BD-154
Fuel Type	Diesel
Configuration	4-cylinder, liquid-cooled
Displacement	154 ci 2.5 L
Bore/Stroke	3.50x4.00 inches 89 x 102 mm
Air cleaner	oil bath
Compression	23.1:1
Rated RPM	2000
Firing order	1-3-4-2
Starter volts	12

Transmission

Transmission — 8 forward and 2 reverse sliding gear

Type	sliding gear
Gears	8 forward and 2 reverse
Clutch	dry disc
Oil capacity	20 qts 18.9 L

Dimensions

International Harvester 424 Tires
Ag front	5.50-16
Ag rear	12.4-28

Dimensions
Wheelbase	70 inches 177 cm
Length	121 inches 307 cm
Width	67.25 inches 170 cm
Height	57 inches 144 cm
Weight	4,055 lbs 1839 kg

Tests

Tractor Tests
NTTL 908: gasoline 8-speed 2WD
NTTL 911: diesel 8-speed 2WD

Nebraska Tractor Test 908
Gasoline 8-speed 2WD September 8 - 15, 1965 Link: Nebraska Tractor Test 908 file
PTO performance
Power at rated engine speed	36.97 hp 27.6 kW
Fuel use	3.0 gal/hour 11.4 l/hour
Drawbar performance
Max power	31.44 hp 23.4 kW
Fuel use	3.0 gal/hour 11.4 l/hour
Gear 5 used for power test.
Max pull	5,282 lbs 2395 kg
Gear 1 used for pull test.

Nebraska Tractor Test 911
Diesel 8-speed 2WD September 16 - 23, 1965 Link: Nebraska Tractor Test 911 file
PTO performance
Power at rated engine speed	36.91 hp 27.5 kW
Fuel use	2.6 gal/hour 9.8 l/hour
Drawbar performance
Max power	31.90 hp 23.8 kW
Fuel use	2.8 gal/hour 10.6 l/hour
Gear 5 used for power test.
Max pull	5,374 lbs 2437 kg
Gear 1 used for pull test.

Attachments

Attachment overview
International Harvester 1501 loader
International Harvester 2001 loader

Photos

International Harvester 424

International 424 operator station and controls.

Recommended Implements & Sizing Guide

Engineering recommendations for International Harvester 424 based on its 36.91 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	2 to 3 Bottom (14-16")2 - 3 铧 (35-40 cm)	Medium Duty	Standard utility farm tillage.
Rotary Cutter / MowerMowing & Clearing	5 ft (60 in)1.5 m	Medium Duty	Pasture maintenance and weeds up to 1.5" diameter.
Rotary TillerSeedbed Prep	54 to 60 in135 - 150 cm	Medium Duty	Thorough seedbed preparation in orchards and vegetable plots.
Disc HarrowSecondary Tillage	5 to 6 ft (16-18" discs)1.5 - 1.8 m (40-45 cm 耙片)	Light Duty	Small acreage soil break-up and secondary aeration.
Hay BalerHay & Forage	Small Square Baler (14x18")小方捆打捆机 (36x46 cm)	Medium Duty	Classic 2-string baler for horse and small livestock hay.

Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for International Harvester 424.

Estimated Continuous Field Runtime: 1.5 hrs

Approximately 1.5 hours of continuous field operation at ~75% rated power on a full tank (2.8 gal / 10.6 L).

Estimated 75% Load Fuel Burn~1.9 gal/hr (7.3 L/hr)

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)

Standard Spec: API CK-4 / CJ-4 Heavy Duty

Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)

Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)

Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix

Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze

Service Interval: 2 Years / 1500 Hours