Horsepower58hp / 43.3kW
EngineInternational Harvester 3.4L 4-cyl diesel
Transmission8-speed 12-speed partial power shift
Drive4x2 2WD/4x4 MFWD 4WD
Torque147lb-ft / 199.3Nm

The International Harvester 624 tractor is powered by a International Harvester 3.4L 4-cyl diesel engine that provides 58hp / 43.3kW of horsepower and 147lb-ft / 199.3Nm of torque. It has a 4x2 2WD/4x4 MFWD 4WD drive configuration and a 8-speed 12-speed partial power shift transmission.

Engine

The engine is a 4-cylinder liquid-cooled International Harvester D-206 diesel with a displacement of 206.4ci / 3.4L. It has a bore/stroke of 3.875x4.38inches / 98x 111mm and a compression ratio of 16:1. The engine is capable of producing 58hp / 43.3kW of power and 147lb-ft / 199.3Nm of torque at 1600rpm. The fuel system is direct injection and the engine is started with a 12-volt starter. The engine has a coolant capacity of 16.4qts / 15.5L.

Transmission

The transmission is an 8-speed 12-speed partial power shift with an engine power of 58hp / 43.3kW. The transmission is capable of handling the power output of the engine and provides smooth shifting between gears. The transmission is reliable and durable, making it suitable for heavy-duty applications. The transmission is easy to operate and provides good fuel efficiency. The transmission is designed to provide maximum power to the wheels while minimizing power loss.

Brakes

The brakes are disc brakes that provide reliable stopping power. The brakes are foot-operated and easy to use. The brakes are durable and require minimal maintenance. The brakes are designed to provide maximum stopping power while minimizing wear and tear on the brake pads. The brakes are suitable for heavy-duty applications and provide good performance in all weather conditions.

Steering

The steering is powered by an International Harvester 3.4L 4-cylinder diesel engine. The steering is easy to operate and provides good maneuverability. The steering is reliable and durable, making it suitable for heavy-duty applications. The fuel tank has a capacity of 18.5gal / 70.0L, providing sufficient fuel for long hours of operation. The steering is designed to provide maximum control and precision while minimizing operator fatigue.

Common Problems

Users have reported issues with the differential lock being difficult to engage and disengage. Some users have also reported issues with the cab being too small and uncomfortable for long hours of operation. The brakes have been reported to wear out quickly and require frequent replacement. The transmission has been reported to have issues with shifting between gears, especially when the tractor is under heavy load. Some users have also reported issues with the engine overheating during extended periods of use.

What Users Like

Users appreciate the standard tires on the International Harvester 624, which provide good traction and stability on a variety of terrains. The ag rear tires, which come in sizes 11-36/12-36/14-30/14-34, are also popular among users. Users also appreciate the reliable and durable transmission, which provides smooth shifting and good fuel efficiency. The disc brakes are also popular among users, providing reliable stopping power in all weather conditions. The open operator station cab is also appreciated by users, providing good visibility and easy access to controls.

International Harvester 624 Technical Specifications

Power

Engine58hp / 43.3kW

Engine Detail

DescriptionInternational Harvester D-206 diesel 4-cylinder liquid-cooled
Displacement206.4ci / 3.4L
Bore/stroke3.875x4.38inches / 98x 111mm
Power58hp / 43.3kW
Fuel Systemdirect injection
Compression16:1
Rated Rpm2100
Idle Rpm650-2310
Torque147lb-ft / 199.3Nm
Torque Rpm1600
Firing Order1-3-4-2
Starter Volts12
Coolant Capacity16.4qts / 15.5L
Intake Valve Clearance0.010inches / 0.254mm
Exhaust Valve Clearance0.012inches / 0.305mm

Engine

DescriptionInternational Harvester 3.4L 4-cyl diesel
Fuel Tank18.5gal / 70.0L

Mechanical

Chassis4x2 2WD/4x4 MFWD 4WD
Differential Lockfoot-operated
Brakesdisc
CabOpen operator station
Transmissions8-speed 12-speed partial power shift

Tires

Standard Tires (ag)Front: 7.50-16. Rear: 13-30 (2WD) Front: 10-24. Rear: 14-34 (4WD)
Ag Rear11-36/12-36/14-30/14-34

Dimensions

Wheelbase83.5inches / 212cm
Length131.6inches / 334cm
Width71.5inches / 181cm
Height (steering Wheel)62inches / 157cm
2wd Weight5732lbs / 2600kg
4wd Weight6592lbs / 2990kg
Ground Clearance16inches / 40cm
Front Tread52 to 67.75inches / 132to 172cm
Rear Tread55.9 to 71.7inches / 141to 182cm

Dimensions And Tires

Wheelbase83.5inches / 212cm
Weight5732 to 6592 pounds
Front Tire7.50-16
Rear Tire13-30 (2WD)

Serial Numbers

LocationRight side of tractor, mid-frame
1965NT 800001
1967NT 809456
1968NT 813620
1969NT 818263
1970NT 822042
1971NT 824048
1972NT 824720

Hydraulics

Pump Flow7.5gpm / 28.4lpm

Tractor Hitch

Rear TypeII/I
Controlposition and draft control
Rear Lift3748lbs / 1700kg

Electrical

Charging SystemBosch generator
Charging Amps11/16
Battery Volts12

Power Take Off Pto

Rear Ptoindependent
Rear Rpm540/1000

Engine Oil

Oil Capacity9qts / 8.5L
Oil Change200 h

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