The International Harvester 674 (IH 674) is a utility tractor that has been in service since its production from 1973 to 1977. Known for its robust design and functionality, it features a 3.9L 4-cylinder diesel engine and a 3.3L 4-cylinder gasoline engine option. The tractor is often evaluated for its performance, reliability, and suitability for various agricultural tasks.
This article will explore the specifications, performance, advantages, disadvantages, and user experiences regarding the IH 674 diesel tractor to determine if it meets the needs of farmers and agricultural workers.
| Feature | Specification |
|---|---|
| Engine Type | 3.9L 4-cylinder Diesel |
| PTO Power | 61.56 hp |
| Weight | 5,650 lbs |
| Hydraulic Flow | 13 gpm |
Specifications and Features
The IH 674 is equipped with several features that make it a versatile choice for various farming applications.
- Engine Options: The primary engine option is the 3.9L diesel, which provides reliable power for heavy-duty tasks. The gasoline variant offers slightly less power but is also a viable option for lighter applications.
- Power Output: The tractor delivers a tested drawbar power of 54.45 hp, making it capable of handling various implements and attachments effectively.
- Hydraulic System: The hydraulic system operates at 13 gallons per minute (gpm), which supports efficient lifting and control of attachments.
- Weight and Stability: With a weight of 5,650 lbs, the IH 674 offers good stability during operation, especially when using heavier implements.
- Design Options: Users can choose between an open operator station or a cab with a four-post ROPS (Roll Over Protective Structure), enhancing safety during operation.
These specifications indicate that the IH 674 is designed to be a reliable workhorse on the farm, capable of performing multiple roles from tilling to haymaking.
Performance Evaluation
When evaluating the performance of the IH 674, several factors come into play, including power delivery, fuel efficiency, and ease of use.
- Power Delivery: The tractor’s engine provides sufficient torque for various farming tasks. Users report that it can handle implements such as plows and hay balers without significant strain.
- Fuel Efficiency: The diesel engine is noted for its fuel efficiency compared to gasoline engines in similar tractors. This can lead to cost savings over time, especially for farmers who rely on their tractors for daily operations.
- User Experience: Many users appreciate the simplicity of controls and ease of operation. The four-speed transmission allows for smooth shifting while working in different conditions.
- Versatility: The IH 674 can be used for multiple applications like tilling, mowing, and hauling. This versatility makes it an attractive option for small to medium-sized farms looking for an all-in-one solution.
Overall, the performance of the IH 674 is generally regarded as solid by users who have experience with this model.
Advantages of the IH 674
The IH 674 brings several advantages that make it appealing to potential buyers:
- Reliability: Users often highlight the durability of the IH 674. Many tractors from this era are still operational today due to their solid construction.
- Ease of Maintenance: Parts availability is relatively good due to the popularity of International Harvester tractors. This makes repairs more straightforward and less costly.
- Cost-Effectiveness: As a utility tractor from the mid-1970s, used models can often be found at reasonable prices compared to newer models with similar capabilities.
- User-Friendly Design: The open operator station design provides good visibility while operating the tractor, which enhances safety and comfort during long hours of work.
These benefits contribute to making the IH 674 a strong candidate for those in need of a reliable utility tractor.
Disadvantages and Considerations
While there are many positives associated with the IH 674, potential buyers should also consider some drawbacks:
- Age Factor: Being produced over four decades ago means that some models may require more frequent maintenance or have outdated technology compared to modern tractors.
- Limited Features: Compared to newer tractors, the IH 674 may lack advanced features such as electronic controls or integrated GPS systems that aid in precision farming.
- Weight Distribution Issues: Some users have reported that while the tractor is heavy enough for stability, it may not handle certain implements well without additional weight distribution measures.
- Noise Levels: Older diesel engines can be noisier than contemporary models, which might affect operator comfort during extended use.
These considerations are essential for potential buyers to weigh against their specific needs and operational contexts when deciding on an IH 674 tractor.
User Feedback
Feedback from current and past owners provides valuable insights into the practical aspects of using an IH 674 diesel tractor:
- Many users describe it as a “good solid tractor” that performs well under various conditions.
- Owners appreciate its reliability and ability to handle general-purpose tasks effectively around their farms.
- Some users have mentioned specific issues such as parts availability depending on their location; however, most find common parts accessible through local suppliers or online marketplaces.
Overall user feedback indicates satisfaction with the tractor’s performance but also highlights areas where prospective buyers should conduct thorough inspections before purchase.
Maintenance Tips
To ensure optimal performance from an IH 674 diesel tractor, regular maintenance is crucial:
- Oil Changes: Regularly change engine oil according to manufacturer recommendations to keep the engine running smoothly.
- Filter Replacements: Replace air and fuel filters periodically to maintain airflow and fuel quality within the engine system.
- Hydraulic System Checks: Regularly check hydraulic fluid levels and inspect hoses for leaks or wear to prevent operational failures during use.
- Tire Maintenance: Keep tires properly inflated and check tread wear regularly; this ensures better traction and efficiency while working in fields.
By adhering to these maintenance practices, owners can enhance the longevity and reliability of their IH 674 tractors significantly.
FAQs About IH 674 Diesel Tractors
- What type of engine does the IH 674 use?
The IH 674 primarily uses a 3.9L 4-cylinder diesel engine. - How much horsepower does the IH 674 produce?
The tractor has a tested PTO power output of approximately 61.56 hp. - Is the IH 674 suitable for heavy-duty tasks?
Yes, it is capable of handling heavy-duty tasks like plowing and hay baling. - What are common issues with older models like the IH 674?
Common issues include parts availability challenges and potential maintenance needs due to age. - Can I find replacement parts easily?
Yes, many parts are readily available due to its popularity among vintage tractor enthusiasts.
In conclusion, the International Harvester 674 diesel tractor has proven itself as a reliable workhorse in agricultural settings. Its solid construction, versatility in applications, and user-friendly design make it a favorable choice among farmers looking for dependable equipment. However, potential buyers should consider both its advantages and disadvantages carefully before making a purchase decision.