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International Harvester 523

International Harvester 523 tractor
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The International Harvester 523 is a utility tractor produced from 1965 to 1972. Built in Neuss, Germany, it features a 2.9L 3-cylinder liquid-cooled diesel engine producing 52 hp (38.8 kW). It offers 8-speed and 12-speed partial power shift transmissions, with two- or four-wheel drive options. The tractor includes mechanical rear differential lock, manual steering, disc brakes, and an open operator station. Fuel capacity is 18.5 gallons (70.0 L) with a hydraulic system capacity of 4.3 gallons (16.3 L). The rear hitch is type II/I with a lift capacity of 3748 lbs (1700 kg). PTO options include independent rear PTO with 540 and 540/1000 rpm types. Dimensions include a wheelbase of 78.7 inches (199 cm), length of 119.8 inches (304 cm), and width of 63.8 inches (162 cm). Weight ranges from 5380 lbs (2440 kg) for 2WD to 6295 lbs (2855 kg) for 4WD. Tires vary with multiple front and rear sizes available. Electrical system uses a generator charging 10.8 amps with a 135 AH battery.
International Harvester 523IH 523utility tractor52 hp tractor2.9L diesel engine8-speed transmission12-speed partial power shifttractor specs
Power52 hp
Founded1965 - 1972
Model523

Technical Specifications

Detailed specifications and technical data for International Harvester 523

Power

Engine power:52 hp (38.8 kW)

Engine

Type:diesel
Model:International Harvester D-179
Power:52 hp (38.8 kW)
Cooling:liquid-cooled
Starter:electric
Cylinders:3-cylinder
Rated RPM:2100
Air cleaner:oil bath
Bore/Stroke:3.875x5.0625 inches (98 x 129 mm)
Fuel system:direct injection
Displacement:179 ci (2.9 L)
Oil capacity:6.8 qts (6.4 L)
Starter power:4 hp (3.0 kW)
Starter volts:12
Coolant capacity:16.3 qts (15.4 L)

Capacity

Fuel:18.5 gal (70.0 L)
Hydraulic system:4.3 gal (16.3 L)

Electrical

Battery AH:135
Charging amps:10.8
Charging system:generator

Hydraulics

Capacity:4.3 gal (16.3 L)
Pump flow:7.5 gpm (28.4 lpm)

Mechanical

Drive:Two- or four-wheel drive
Brakes:Disc brakes
Steering:Manual steering
Operator station:Open operator station
Differential lock:mechanical rear

Production

Type:Utility tractor
Built in:Neuss, Germany
Years produced:1965 - 1972

Transmission

Clutch:279.4mm dry disc
Options:8-speed, 12-speed partial power shift
Description:Four gears (1-4) in two ranges (low/high) plus reverse range.
Agriomatic S:partial power shift
Oil capacity:35.1 qts (33.2 L)
Gears (8-speed):8 forward and 4 reverse
Agriomatic S details: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.
Gears (Agriomatic S):12 forward and 4 reverse

Tractor hitch

Rear Type:II/I
Rear lift capacity:3748 lbs (1700 kg)

Dimensions & Tires

Width:63.8 inches (162 cm)
Length:119.8 inches (304 cm)
Rear tire:11-32, 13-28, 14-28, 13-30, 14-30, 11-36, 12-36
Wheelbase:78.7 inches (199 cm)
2WD Weight:5380 lbs (2440 kg)
4WD Weight:6295 lbs (2855 kg)
Front tire:6.00-16, 7.50-16, 9-24 (4WD Ag front)
Height (exhaust):86.2 inches (218 cm)
Clearance (drawbar):12 inches (30 cm)
Clearance (front axle):15 inches (38 cm)
Height (steering wheel):59.8 inches (151 cm)

Power Take-off (PTO)

Rear PTO:independent
Rear PTO Type:540 (1.375), 540/1000 (1.375)

Related Models

International Harvester 553

Model:553

International Harvester 624

Model:624