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International Harvester 674

International Harvester 674 tractor
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The International Harvester 674 is a utility tractor produced from 1973 to 1977 by International Harvester. It was manufactured in Doncaster, England and Louisville, Kentucky, USA. The tractor features two engine options: a 3.9L 4-cylinder diesel and a 3.3L 4-cylinder gasoline engine. It has an 8-speed gear transmission with 4 reverse speeds, power steering, hydraulic wet disc brakes, and an open operator station with optional four-post ROPS and cab. The 674 offers a drawbar power of 54.45 hp and PTO power of 61.56 hp. It includes an open center hydraulic system with a 13 gpm pump flow and a rear Type II hitch with position and draft control. The tractor's dimensions include a wheelbase of 84.5 inches, length of 131 inches, and operating weight of 5,650 lbs. It runs on 7.50-16 front tires and 16.9-30 rear tires. The 674 was originally priced at $11,300 in 1978.
International Harvester 674IH 674utility tractortractor specifications3.9L diesel engine3.3L gasoline engine8-speed transmissionpower steeringhydraulic brakes
Power65 hp[P]
Founded1973 - 1977
Model674

Technical Specifications

Detailed specifications and technical data for International Harvester 674

Power

PTO (tested):61.56 hp (45.9 kW)
Drawbar (tested):54.45 hp (40.6 kW)

Tires

Ag rear:16.9-30
Ag front:7.50-16

Engine

Fuel tank:20 gal (75.7 L)
Engine options:International Harvester 3.9L 4-cyl diesel; International Harvester 3.3L 4-cyl gasoline
Diesel rated RPM:2400
Diesel air cleaner:dual stage dry
Diesel bore/stroke:3.875x5.06 inches (98 x 129 mm)
Diesel compression:16:1
Diesel engine type:diesel, 4-cylinder, liquid-cooled
Gasoline rated RPM:2400
Diesel displacement:239 ci (3.9 L)
Diesel engine model:International Harvester D239
Diesel starter volts:12
Gasoline air cleaner:dual stage dry
Gasoline bore/stroke:3.8125x4.39 inches (97 x 112 mm)
Gasoline compression:7.33:1
Gasoline engine type:gasoline, 4-cylinder, liquid-cooled
Gasoline displacement:200.3 ci (3.3 L)
Gasoline engine model:International Harvester C200
Gasoline starter volts:12

Dimensions

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

Electrical

Ground:negative
Battery volts:12

Hydraulics

Type:open center
Pump flow:13 gpm (49.2 lpm)

Mechanical

Drive:Two-wheel drive
Brakes:Hydraulic wet disc brakes
Steering:Power steering
Operator station:Open operator station. Four-post ROPS and cab available.

Production

Category:Utility tractor
Factories:Doncaster, England; Louisville, Kentucky, USA
Years made:1973 - 1977
Original price:$11,300 in 1978

Transmission

Type:gear
Gears:8 forward and 4 reverse
Clutch:dry disc

Tractor hitch

Control:position and draft control
Rear Type:II
Rear lift:3969 lbs (1800 kg)

Serial Numbers

1973:100001
1974:101862
1975:103172
1976:105946
1977:107555
Serial number location:Serial number plate on the left side of the transmission housing.

Power Take-off (PTO)

Rear PTO:independent
Rear PTO Type:540 (1.375)

Related Models

International Harvester 574

Model:574