International Harvester 674

The International Harvester 674 is a tractor produced by International Harvester. It is equipped with a 200.3 ci 3.3 L engine. The rated power output is 61.56 hp 45.9 kW. Transmission: 8 forward and 4 reverse. Operating weight: 5,650 lbs 2562 kg.

Overview

	1973 - 1977 Utility tractor
1973 - 1977
Utility tractor

Production
Manufacturer	International Harvester
Utility tractor
Factories	Doncaster, England
	Louisville, Kentucky, USA
Original price was $11,300 in 1978

International Harvester 674 Transmission
8-speed gear
Transmission details ...

International Harvester 674 Power
Drawbar (tested)	54.45 hp 40.6 kW
PTO (tested)	61.56 hp 45.9 kW
Performance test details ...

Mechanical
Two-wheel drive
Power steering
Hydraulic wet disc brakes
Open operator station. Four-post ROPS and cab available.

Hydraulics
Type	open center
Pump flow	13 gpm 49.2 lpm

Tractor hitch
Rear Type	II
Control	position and draft control
Rear lift	3969 lbs 1800 kg

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	540 (1.375)

Dimensions & Tires
Wheelbase	84.5 inches 214 cm
Weight	5,650 lbs 2562 kg
Front tire	7.50-16
Rear tire	16.9-30
Full dimensions and tires ...

Electrical
Ground	negative
Battery volts	12

References
International Tractor Range published in 1973, by International Harvester
Buyer's Guide published in 1976, by International Harvester
1978 Buyer's Guide published by International Harvester
464, 574 and and 674 Tractors published in 1973, by International Harvester
454, 474, 574 & 674 Tractors published in 1974, by International Harvester
Full Synchromesh and Hydrostatic Tractor Range published in 1963, by International Harvester
27PS-115PS published in 1975, by International Harvester
Farm Equipment Reference Catalog published in 1973, by International Harvester

Engine

Engine options
International Harvester 3.9L 4-cyl diesel
International Harvester 3.3L 4-cyl gasoline

Engine Detail — 239 ci / 3.9 L Diesel

Manufacturer	International Harvester D239
Fuel Type	Diesel
Configuration	4-cylinder, liquid-cooled
Displacement	239 ci 3.9 L
Bore/Stroke	3.875x5.06 inches 98 x 129 mm
Air cleaner	dual stage dry
Compression	16:1
Rated RPM	2400
Starter volts	12

Engine Detail — 200.3 ci / 3.3 L Gasoline

Manufacturer	International Harvester C200
Fuel Type	Gasoline
Configuration	4-cylinder, liquid-cooled
Displacement	200.3 ci 3.3 L
Bore/Stroke	3.8125x4.39 inches 97 x 112 mm
Air cleaner	dual stage dry
Compression	7.33:1
Rated RPM	2400
Starter volts	12

Transmission

Transmission — 8 forward and 4 reverse gear

Type	gear
Gears	8 forward and 4 reverse
Clutch	dry disc

Dimensions

International Harvester 674 Tires
Ag front	7.50-16
Ag rear	16.9-30

Dimensions
Wheelbase	84.5 inches 214 cm
Length	131 inches 332 cm
Width	70 inches 177 cm
Height (steering wheel)	62 inches 157 cm
Height (cab)	93 inches 236 cm
Operating weight	5,650 lbs 2562 kg
Ballasted weight	8,690 lbs 3941 kg
Clearance (rear axle)	23 inches 58 cm
Front tread	54 to 80 inches 137 to 203 cm
Rear tread	56 to 76 inches 142 to 193 cm

Tests

Tractor Tests
NTTL 1128: gasoline 8-speed 2WD
NTTL 1129: diesel 8-speed 2WD

Nebraska Tractor Test 1128
Gasoline 8-speed 2WD April 26 - May 17, 1973 Link: Nebraska Tractor Test 1128 file
PTO performance
Power at rated engine speed	58.53 hp 43.6 kW
Fuel use	5.7 gal/hour 21.6 l/hour
Power at rated PTO speed	56.01 hp 41.8 kW
Fuel use	5.2 gal/hour 19.7 l/hour
Drawbar performance
Max power	51.97 hp 38.8 kW
Fuel use	5.5 gal/hour 20.8 l/hour
Gear 3L used for power test.
Max pull	6,583 lbs 2986 kg
Gear 2L used for pull test.

Nebraska Tractor Test 1129
Diesel 8-speed 2WD April 28 - May 17, 1973 Link: Nebraska Tractor Test 1129 file
PTO performance
Power at rated engine speed	61.56 hp 45.9 kW
Fuel use	4.1 gal/hour 15.5 l/hour
Power at rated PTO speed	58.79 hp 43.8 kW
Fuel use	3.9 gal/hour 14.8 l/hour
Drawbar performance
Max power	54.45 hp 40.6 kW
Fuel use	4.0 gal/hour 15.1 l/hour
Gear 3L used for power test.
Max pull	6,833 lbs 3099 kg
Gear 2L used for pull test.

Photos

International Harvester 674

International Harvester 674

International Harvester 674

International Harvester 674

International Harvester 674

International Harvester 674

International Harvester 674