INTERNATIONAL HARVESTER 431.IH1572 Rear Drive Shaft Internat 304 Automatic

( Brand: International Harvester ), ( Model: INTERNAT ), ( Conditions Options: 304, Auto, 4wd ), ( Genuine Oem: Yes ), ( Ipn: 431.ih1572 ), ( Make: International ), ( Descriptionpartcondition: 1972 International Harvester 304 Oem Rear Drive Shaft Automatic 4 ), ( Transmission Type: Automatic ), ( Warranty: 90 Day ), ( Placement On Vehicle: Rear ), ( Type: Driveshaft ), ( Partout Id: A-110860422 )

Review INTERNATIONAL HARVESTER 304 Oem Rear Drive Shaft Automatic fits 4WD 1972

The **International Harvester 431 (IH1572) 1972 304 Series Rear Drive Shaft with Automatic 4-Wheel Drive** is a rare and highly sought-after component from one of the most iconic agricultural and industrial tractors ever produced by International Harvester. Built during the golden era of American farm machinery, this drive shaft exemplifies the robust engineering and timeless durability that defined the 304 Series, a line celebrated for its versatility and reliability across a wide range of applications. The 431 model, in particular, was a powerhouse designed to tackle demanding tasks with ease, whether in heavy-duty farming, construction, or off-road work. The **automatic 4-wheel drive (4WD) system** on this model was a groundbreaking feature at the time, allowing operators to engage all four wheels seamlessly for enhanced traction, stability, and control especially in muddy fields, steep slopes, or uneven terrain. The **rear drive shaft** itself is a critical component of this system, transmitting power from the transmission to the rear axle while accommodating the dynamic demands of 4WD operation. Crafted from high-quality steel and reinforced with precision machining, this drive shaft is built to withstand the rigors of continuous use, ensuring longevity even under the most challenging conditions. The **1972 model year** adds a layer of historical significance, as this period marked a time when International Harvester was at the height of its innovation, blending classic design with advanced functionality. Whether used in a restored 431 for vintage farming displays, in a modern restoration project, or as a replacement part for an existing 4WD setup, this drive shaft is a testament to the enduring legacy of American agricultural engineering. Its compatibility with a wide range of implements and attachments makes it a valuable addition to any collection or operational fleet, bridging the gap between nostalgia and practical performance. For enthusiasts and professionals alike, this component represents not just a functional part, but a piece of mechanical history that continues to deliver power and precision decades after its original production.

### **Pros and Cons of Buying a 1972 International Harvester 431 (IH1572) with a 304 Engine, Rear Drive Shaft, and Automatic 4WD**

#### **Pros**

1. **Reliability and Durability** The 1972 International Harvester 431 is a classic heavy-duty truck built to last. The 304 V8 engine, while older, was designed for longevity, especially in agricultural, construction, or off-road applications. Many of these trucks have been well-maintained and still function reliably after decades.

2. **Off-Road and 4WD Capability** The automatic 4WD system (a relatively rare feature for this era) enhances traction in mud, snow, or rough terrain, making it useful for farming, logging, or overland travel. The rear drive shaft setup ensures power is effectively distributed, improving stability.

3. **Low Operating Costs (If Well-Maintained)** Older diesel or gas engines like the 304 can be cheaper to fuel and maintain compared to modern high-performance trucks, though parts may be harder to find. If the truck has been properly serviced, it could remain economical to run.

4. **Classic Appeal and Collectibility** The 431 is a sought-after vintage truck among collectors and enthusiasts. If you enjoy classic vehicles or plan to restore it for display, its rarity and historical value could increase over time.

5. **Heavy-Duty Build** These trucks were designed for tough work, with robust frames, sturdy suspensions, and durable drivetrains. Many still handle rough conditions better than modern light-duty trucks.

6. **Potential for Modifications** The 304 engine (a Ford-based design) has a strong aftermarket support, allowing for upgrades like turbocharging, fuel injection, or suspension modifications if you re willing to invest in maintenance.

7. **Resale Value for Enthusiasts** While not a daily driver, well-preserved 431s can fetch good money in the collector market, especially if they have original parts or restoration potential.

---

#### **Cons**

1. **High Maintenance Requirements** The age of this truck means it will require frequent upkeep. The automatic 4WD system (if it still functions) may need attention, as automatic transmissions from this era are prone to wear. The 304 engine, while durable, benefits from modern fuel systems and emissions upgrades if used regularly.

2. **Parts Availability and Cost** Finding original or compatible parts can be difficult and expensive. Many suppliers stock only modern replacements, which may not fit perfectly. The rear drive shaft setup is less common, adding to potential repair challenges.

3. **Fuel Efficiency** The 304 V8 is not fuel-efficient by today s standards, especially if the truck is used for heavy loads or long distances. Gas prices and emissions regulations may make it impractical for daily use.

4. **Rust and Structural Issues** A 50-year-old truck is likely to have rust in critical areas like the frame, suspension, and undercarriage. A thorough inspection is essential to avoid hidden structural problems.

5. **Driving Experience** The automatic 4WD may feel outdated compared to modern 4WD systems, with potential lag or inconsistency in engagement. The truck s weight and older suspension can also make it less comfortable for highway driving.

6. **Emissions and Legal Compliance** Depending on your location, older trucks may not meet current emissions standards, limiting where you can drive it legally. Some areas require smog checks or modifications to pass inspections.

7. **Limited Modern Safety Features** Without modern safety upgrades (airbags, ABS, traction control), the truck lacks the protections of contemporary vehicles. This could be a concern if used for long trips or highway driving.

8. **Potential for Hidden Problems** The automatic transmission, differentials, and driveline components may have worn out over time. A pre-purchase inspection by a professional familiar with vintage trucks is highly recommended.

---

### **Conclusion**

The 1972 International Harvester 431 with a 304 engine, rear drive shaft, and automatic 4WD is a **unique, durable, and character-rich vehicle** with strong appeal for collectors, off-road enthusiasts, or those seeking a project truck. However, it is **not a practical daily driver** due to its age, maintenance needs, and inefficiency. It is best suited for:

- **Off-road or agricultural use** (if well-maintained).

- **Restoration or display** (if you enjoy classic vehicles).

- **Occasional driving** (if you re prepared for repairs and higher costs).

If you re looking for a **reliable, low-cost, and low-maintenance** truck, a modern 4WD pickup or SUV would be a far better choice. But if you re drawn to its vintage charm, off-road capability, and potential for customization, it could be a rewarding (if challenging) purchase **provided you budget for repairs and inspections**.

### **Recommendation**

- **Buy only if:** You have mechanical experience, a budget for repairs, and a clear plan for its use (e.g., restoration, off-road, or occasional driving). Consider getting a **pre-purchase inspection** from a specialist in vintage trucks.

- **Avoid if:** You need a truck for daily commuting, highway driving, or rely on low maintenance costs. Alternatively, look for a **modern 4WD truck** if functionality is your priority.

- A **restored 431** (if you find one with full service records).

- A **used Ford F-250/F-350 Super Duty** (more parts available, better fuel economy).

- A **Chevy Silverado 4WD** (reliable, modern, and easier to maintain).

Ultimately, this truck is a **passion project** rather than a practical vehicle purchase it with your eyes open and a realistic understanding of its limitations.

Details:

Automatic or 5 speed transmission. Also, please see our notes for what specific vehicle this item is Examples: Does your have the same wheel base. Orders placed after 2:00 pm CST cannot be guaranteed shipping that day. These parts are used, therefore, please expect minor plastic wear/surface oxidization.

Please see pictures for reference of what is included. Rear Drive Shafts are guaranteed to be non-broken, non-leaking, and in good used shape.

specifications universajoin:

• brand: International Harvester
• model: Internat
• conditions options: 304, Auto, 4wd
• genuine oem: Yes
• ipn: 431.ih1572
• make: International
• descriptionpartcondition: 1972 International Harvester 304 Oem Rear Drive Shaft Automatic 4
• transmission type: Automatic
• warranty: 90 Day
• placement on vehicle: Rear
• type: Driveshaft
• partout id: A-110860422

shipping universajoin:

• service: Standard
• transit: 2-6 Days
• type: Fixed
• class: Standard
• cost: $100.00

general universajoin:

• condition: Used
• Transmission Drivetrain > Driveshafts Parts > Driveshafts

payments universajoin:

• credit card: Mastercard
• other
• wallet: Apple-pay

seller universajoin:

• city: Mobile, Alabama
• # reviews: 60152
• rating: 99.7%

returns universajoin:

• paid by: Buyer
• policy: Returns Accepted
• time: 30 Days

offer universajoin:

• started: February 3, 2026
• options: Ship-to-home
• best offers: True
• availability: In Stock
• sold: 0
• quantity: 1

International Harvester INTERNAT Is Similar To:

• 4025-d Motor Master Universal Joint International Harvester (33.6% similar) Stock pic, actual product may vary. The boxes are dirty from shelf life but joints 100 message with your model and year I can help fitment details. New old stock u joint...(December 17th, 2018)
• International Truck 351 Stock Harvester Precision 913774r91 U-joint (40% similar) Please see photo for condition of u joint. The box looks well worn from sitting on a shelf forever, but u joint is 100 brand new, clean, and free of any rust. This part number retails through case ih for 40 or so. Buy here and save money. Common u joint found in trucks and other various equipment. ...(May 2nd, 2015)
• International Harvester Heavy-duty Truck 431.ih8965 Rear Slip Yoke (54.8% similar) ...(December 31st, 2024)
• International Harvester 431.ih1266 1966 Scout 800 Oem Front And Rear Drive Shaft (73.4% similar) Rear drive shafts are guaranteed to be non-broken, non-leaking, and in good used shape. Automatic or 5SPEED transmission. These parts are used, therefore, please expect minor plastic wear/surface oxidization. Please see pictures for reference of what is included. Orders placed after 2:00 pm CST ...(March 14th, 2025)