Penn Slammer IV vs Shimano Saragosa SW Reel Comparison

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Written By Russ Egan

Russ is a professional fisherman with over 20 years of experience. He has fished all over the world for more than two decades, primarily for saltwater game fish but also for local trophy fish. Russ comprehensively tests and reviews all his fishing gear to help others achieve their own fishing goals. There is nothing he prefers than heading down to his local tackle store, buying the latest fishing reel, and taking it to the water to test.


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Discover the key differences between two heavy-duty spinning reels: the Penn Slammer IV and the Shimano Saragosa SW. This comparison provides an in-depth analysis of their features, performance, and value, helping you choose the perfect reel for your next fishing adventure.

The Penn Slammer IV is a powerful, heavy-duty offshore fishing reel, while the Shimano Saragosa SW is a big game fishing reel for extreme conditions.

Penn Slammer IV Spinning Reel
  • I View This as an Extremely Durable Design
  • Very High Max Drag
  • Very High Retrieve Rate
  • 8+1 Stainless Steel Ball Bearings 
  • Ideal for Charter Fishermen
Shimano Saragosa Spinning Reel
  • IPX8 Waterproof Body
  • Available Up to 18000 Size
  • High Retrieve Rate for Fast Pelagic Species Like Tuna
  • Upgraded Winding Torque

Specification Comparison

To try and get an accurate comparison, I’ve picked the Penn Slammer IV 3500 sized-model, and the Shimano Saragosa SW 5000.

Reel Comparison
Penn Slammer IV
Shimano Saragosa SW
Ball Bearings
Gear Ratio
13.9 oz
15.9 oz
Max Drag
30 lb
22 lb
Mono Line Capacity
220 yards of 10 lb
240 yards of 10 lb
Braid Line Capacity
310 yards of 10 lb
245 yards of 20 lb

Gearing Comparison

The Penn Slammer IV features CNC Gear Technology. This enhances durability and performance. The technology employs computer-controlled precision. It offers smooth operation.

The Shimano Saragosa SW incorporates Hagane Gear. This system assures strength and longevity. It is cold forged for improved resistance. This reel provides seamless and efficient performance.

Comparatively, the CNC gear system is more accurate due to computer control. Meanwhile, the Hagane Gear is renowned for its robustness. Both ensure smooth and reliable operation.

penn slammer 3 in my hand

Drag System Comparison

The Penn Slammer IV uses the Dura-Drag system. It’s robust, smooth, and known for its heat resistance. Also, it offers consistent drag pressure even during long fights.

On the other hand, the Shimano Saragosa SW features the Cross Carbon Drag system. It’s incredibly durable and lightweight. It provides excellent drag power and smoothness. It excels in resisting high-speed runs from big fish.

The Dura-Drag system excels in heat resistance, while the Cross Carbon Drag shines in high-speed runs resistance. Both systems ensure smoothness and durability but differ in their specialty areas.

Shimano saragosa spinning reel in a rack

Body Construction and Materials

The Penn Slammer IV is made with a Full Metal Body, offering robustness and strength. This construction ensures long-lasting durability even under high-pressure fishing conditions.

The Shimano Saragosa SW features a Hagane Body. This material, unique to Shimano, is a high-rigidity metal body that eliminates body flexing. The Hagane body contributes to smooth, efficient and strong reel performance.

The material choice of both reels reflects their focus on durability and performance, albeit achieved in slightly different ways.

Value for Money

The Penn Slammer IV offers excellent value, boasting superior durability and robustness.

The Shimano Saragosa SW, slightly less expensive, provides great value with its high performance and reliability.

The Slammer IV’s value lies in its longevity, ideal for those seeking a long-term investment. Meanwhile, the Saragosa SW offers affordability without compromising on functionality, perfect for those wanting immediate performance.

In essence, both are valuable, but the Slammer IV’s strength is its stoutness, while the Saragosa SW shines in its cost-effectiveness and reliability.

Best Suited For

Use the Penn Slammer IV for heavy-duty offshore fishing. This reel is ideal when targeting large species in deep waters. It’s designed for power and durability.

Choose the Shimano Saragosa SW for game fishing in extreme conditions. This reel is for challenging environments and tough catches. It’s built for resilience and performance.


The Penn Slammer IV, scoring 8.5, excels in durability. It’s a robust reel, ideal for a long-term investment. The Shimano Saragosa SW, with a score of 8, is slightly cheaper. It offers high performance and reliability. Its value is in its affordability and functionality.

In conclusion, the Slammer IV stands out for its sturdiness. The Saragosa SW is notable for its cost-effectiveness and dependability.

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