International Harvester 500

The International Harvester 500 is a tractor produced by International Harvester. It is equipped with a 145.3 ci 2.4 L engine. The rated power output is 38 hp 28.3 kW. Transmission: International Harvester. Drive type: crawler. Operating weight: 7,050 lbs (gas) 3197 kg.

Overview

	1965 - 1969 Agricultural Crawler tractor
1965 - 1969
Agricultural Crawler tractor

Production
Manufacturer	International Harvester
Agricultural Crawler tractor
Built in Hamilton, Ontario, Canada

Variants
500	ag crawler
500	industrial crawler

International Harvester 500 Power
Engine (gross)	47 hp 35.0 kW
Engine (net)	38 hp 28.3 kW
PTO (claimed)	36 hp 26.8 kW
Drawbar (tested)	31.24 hp 23.3 kW
PTO (tested)	37.22 hp 27.8 kW
Performance test details ...

Mechanical
Drive	crawler
Steering	mechanical clutches
Mechanical contracting band brakes
Open operator station.

Hydraulics
Valves	1 to 3
Pump flow	7 gpm 26.5 lpm
	8 gpm (optional) 30.3 lpm
	9 gpm (optional) 34.1 lpm
	12 gpm (front optional) 45.4 lpm
	17 gpm (front optional) 64.3 lpm

Tractor hitch
Rear Type	I

Power Take-off (PTO)
Rear PTO	transmission
Rear PTO Type	1000
	540
Engine RPM	980@2000

Dimensions & Tracks
Wheelbase	67 inches 170 cm
Weight	7050 to 7260 pounds
Tracks
Full dimensions and tracks ...

Electrical
Charging system	generator
Battery volts	12
Battery AH	40 (gas)
	96 (diesel)

References
Spring 1968 Buyer's Guide published by International Harvester
Summer-Fall 1968 Buyer's Guide published by International Harvester
World Wide Farm Equipment Buyer's Guide published in 1968, by International Harvester*
Spring 1969 Buyer's Guide published by International Harvester
*Publication contains known errors.

Engine

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

Engine Detail — 154 ci / 2.5 L Diesel

Manufacturer	International Harvester BD-154
Fuel Type	Diesel
Configuration	4-cylinder, liquid-cooled inline
Displacement	154 ci 2.5 L
Bore/Stroke	3.50x4.00 inches 89 x 102 mm
Power (net)	38 hp 28.3 kW
Power (gross)	43.5 hp 32.4 kW
Air cleaner	dry element
Pre-heating	glow plugs
Compression	23:1
Rated RPM	2000
Starter	electric
Starter volts	12
Oil capacity	6.25 qts 5.9 L
Coolant capacity	12 qts 11.4 L

International Harvester 500 Engine
Image courtesy of Keith Mitchell

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	3.375x4.06 inches 86 x 103 mm
Power (gross)	47 hp 35.0 kW
Fuel system	1-inch carburetor
Air cleaner	dry element
Compression	7.6:1
Rated RPM	2000
Starter	electric
Starter volts	12
Oil capacity	5 qts 4.7 L
Coolant capacity	12 qts 11.4 L

Transmission

Transmission options
8-speed partial power shift
5-speed unsynchronized gear

Transmission — International Harvester Torque Amplifier

Transmission	International Harvester Torque Amplifier
Type	partial power shift
Gears	8 forward and 2 reverse
Clutch	10-inch dry disc
Oil capacity	13.2 qts 12.5 L
The IH Torque Amplifier adds a shift-on-the-move underdrive to the basic gear transmission.

Transmission — International Harvester

Transmission	International Harvester
Type	unsynchronized gear
Gears	5 forward and 1 reverse
Clutch	10-inch dry disc
Oil capacity	13.2 qts 12.5 L

Dimensions

International Harvester 500 Tracks
Size	12-inch shoes
Option	10-inch
	14-inch

Dimensions
Wheelbase	67 inches 170 cm
Length	106.5 inches 270 cm
Width	60 inches 152 cm
Height (hood)	48.8 inches 123 cm
Weight	7,050 lbs (gas) 3197 kg
	7,260 lbs (diesel) 3293 kg
Ground clearance	13.5 inches 34 cm

Tests

Tractor Tests
NTTL 950: gasoline Torque Amplifier crawler
NTTL 951: diesel Torque Amplifier crawler

Nebraska Tractor Test 950
Gasoline Torque Amplifier crawler October 24 - November 2, 1966 Link: Nebraska Tractor Test 950 file
PTO performance
Power at rated engine speed	37.22 hp 27.8 kW
Fuel use	3.2 gal/hour 12.1 l/hour
Drawbar performance
Max power	31.24 hp 23.3 kW
Fuel use	3.2 gal/hour 12.1 l/hour
Gear 2-Direct used for power test.
Max pull	7,988 lbs 3623 kg
Gear 2-TA used for pull test.

Nebraska Tractor Test 951
Diesel Torque Amplifier crawler October 24 - November 2, 1966 Link: Nebraska Tractor Test 951 file
PTO performance
Power at rated engine speed	36.65 hp 27.3 kW
Fuel use	2.6 gal/hour 9.8 l/hour
Drawbar performance
Max power	30.55 hp 22.8 kW
Fuel use	2.7 gal/hour 10.2 l/hour
Gear 2-Direct used for power test.
Max pull	7,957 lbs 3609 kg
Gear 2-TA used for pull test.

Photos

International Harvester 500

International Harvester 500

International Harvester 500

International Harvester 500

International Harvester 500

International Harvester 500

International 500 operator station and controls.