479 Greasable Universal Joint Inside Snap Rings fits AAM 1555WJ Series
Technical Data
The 479 Greasable Universal Joint (3-1557) is built for strength, durability, and precision to keep your agricultural equipment running reliably. Designed for AAM 1555WJ Series PTO shafts, it ensures smooth operation and dependable performance under heavy-duty working conditions.
This universal joint features an inside snap ring design for secure fitment and hassle-free installation. Its greasable construction allows for easy maintenance, reducing wear and extending the service life of your machinery.
Whether you’re replacing a worn joint or upgrading for better reliability, the 479 universal joint 3-1557 delivers OEM-level quality at a cost-effective price. Perfect for farmers and operators who need durable performance season after season.
Features and Benefits
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Heavy-Duty Construction – Designed for strength in high-load agricultural applications.
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Greasable Design – Easy maintenance helps extend service life and reduce downtime.
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Inside Snap Rings – Provides secure fitment and simplifies installation.
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Precision Engineering – Ensures smooth power transfer with less vibration.
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Reliable Compatibility – Built specifically for AAM 1555WJ Series PTO shafts.
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Corrosion-Resistant Finish – Protects against wear and harsh working conditions.
Technical Specifications
| Specification | Details |
|---|---|
| Condition | New (Unopened, Undamaged) |
| Brand | Aftermarket |
| MPN | 3-1557 |
| Interchange Part Numbers | 479 |
| Compatible Equipment Make | AAM |
| Compatible Equipment Type | PTO, Agricultural |
| Part Type | Universal Joint |
| Warranty | 1 Year |
| Series | 1555 Series Wheel Joint |
| Bearing Cap Diameter | 1.375 in (34.925 mm) |
| Length A & B | 3.73 in (94.7 mm) |
| Distance Between Snap Ring Grooves | 3.737 in (94.9 mm) |
| Design | Greasable, Inside Snap Rings |
| Custom Bundle | No |
| Modified Item | No |
Vehicle & Application Compatibility
The 479 / 3-1557 Greasable Universal Joint is compatible with:
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AAM 1555WJ Series PTO shafts
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Agricultural PTO (Power Take-Off) systems
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Various tractors and implements requiring 1555 Series U-joints
What’s Included
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1 × 479 Greasable Universal Joint (3-1557)
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1 × Set of Inside Snap Rings
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1 × Installation Guide
REVIEWS
This 479 U-joint was a perfect replacement for my AAM 1555WJ shaft. Greasable feature is a big plus—equipment runs smooth again.
Tom R.
Fargo, ND
Easy install and feels durable. I’ve used it on my tractor PTO system for weeks now without any issues. Excellent aftermarket part.
Mark S.
Salina, KS
Specifications
Fitment Data
• Engineered for precision compatibility with high-performance builds.
• Tested under extreme mechanical stress for guaranteed structural integrity.
Use the Riot Vehicle Finder to verify exact sub-model compatibility.
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