T-Rex Chainsaw Sharpener Review

Are you searching for an automatic chainsaw sharpener? If so, you’ll find this comprehensive and in-depth review of the Dinasaw T-Rex Automatic Chain Sharpener extremely valuable. Priced at $4,999.99, the T-Rex is a premium option in the market, skillfully combining advanced technology with superior performance. In this review, we will explore its features, functionality, and overall value in detail, providing insights into why it is priced at a premium and how it could be an indispensable tool for professionals in the field of chain sharpening.

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Specifications

• Operation: Electronic microprocessor control, 3 modes.
• Chain Size: 1/4″ to 3/4″.
• Weight: 21 kg (46 lbs).
• Feed: Automatic, 30 teeth/minute.
• Chain Length: 610 mm (24″) minimum.
• Grind Wheel: 125 mm (5″), 6500 rpm.
• Grind Angles: Top Plate 0°-35°, Side Plate 55°-65°.
• Mounting: Bench/Wall.
• Power: 12-14 VDC (Optional mains adapter available).
• Packaging Size: 290x470x520 mm (11.5″x18.5″x20.5″).

Design and Build Quality

As I delved into the T-Rex’s design, its robust construction immediately stood out. The choice of cast aluminium for the grinding arm struck me as a masterstroke, blending strength with remarkable precision. Handling the machine, I could feel the resilience imparted by the hardened steel cams and chain clamp, a clear indicator that this sharpener is built to endure the rigors of heavy, consistent use. The sealed ball bearings add a smooth finesse to its operation, clearly showing the meticulous attention to detail in ensuring its longevity and reliability.

Functionality and Performance

Exploring the T-Rex’s functionality, its versatility is nothing short of impressive. It adeptly handles a diverse array of chain sizes, from the slender 1/4″ to the robust 3/4″ harvester chains, and even the specialized pointed tooth pack cutting chains. This broad range signifies its suitability for a wide spectrum of users, from everyday arborists to professionals managing heavy-duty harvesting equipment.

The real triumph, however, lies in its speed and accuracy. The T-Rex’s capacity to grind up to 30 cutters per minute is a game-changer, saving significant time in sharpening tasks. The efficiency doesn’t stop there; its ability to sharpen both left and right-hand cutters in a single pass is a testament to its thoughtfully engineered performance.

Ease of Use

Engaging with the T-Rex, its user-friendly design becomes immediately apparent. The automatic operation, coupled with the adjustable grinding head (ranging from 0° to 35°), caters intuitively to both beginners and seasoned users. Features like automatic cutter detection and cam indexing for absolute grinding accuracy notably flatten the learning curve, making the operational process smoother and more accessible.

Flexibility and Convenience

The T-Rex also scores high on flexibility and convenience. The multiple mounting options (bench, floor, or wall) with optional stands provide great adaptability, accommodating various workshop layouts effortlessly. Additionally, the range of power options (12volt DC, 110vac, or 240vac) underlines its versatility, allowing it to seamlessly integrate into different working environments with varying power setups. This thoughtful integration of features makes the T-Rex not just a tool, but a comprehensive sharpening solution.

Pros and Cons of the T-Rex Automatic Chain Sharpener

Pros

• Capable of sharpening up to 30 cutters per minute, significantly reducing sharpening time.
• Accommodates a wide range of chain sizes, from 1/4″ to 3/4″ harvester chains, including specialized types like pointed tooth pack cutting chains.
• Automatic cutter detection and cam indexing ensure each cutter is sharpened accurately, maintaining consistency.
• Constructed with high-quality materials like cast aluminum, hardened steel, and sealed ball bearings for long-lasting performance.
• Fast grinding speed minimizes heat, preserving the metal’s temper and extending chain life.
• User-friendly operation with automatic features and adjustable grinding head.
• Can be bench, floor, or wall-mounted, providing adaptability to different workshop spaces.
• Enhances overall efficiency and productivity.

Cons

• Priced at $4,999.99, it may be a significant investment for some users.
• Could be bulky or heavy, potentially requiring more space and making it less portable.
• While user-friendly, the initial learning curve might be steep for beginners in chain sharpening.
• Being electrically powered, it might not be suitable for locations without a reliable power source.

Comparison: HANDI-REX vs. T-REX Chain Sharpeners

Here’s a side-by-side comparison of the HANDI-REX and T-REX chain sharpeners, highlighting their key features and differences:

	HANDI-REX	T-REX
Chain Size (Pitch)	1/4″ – 3/4″	1/4″ – 3/4″
Chain Length	Unlimited	Unlimited
Chain Type	Standard & Chisel	Standard & Chisel
Feed Speed	30 Cpm* / Variable	30 Cpm*
Grind Angles Top Plate	0° to 35° / Variable	0° to 35° / Variable
Side Plate	0° to 38° / Variable	0° to 38° / Variable
Grinding Wheel Diameter	125mm (5″)	125mm (5″)
Thickness	3, 4, 5, 8mm (1/8″, 5/32″, 3/16″, 5/16″)	3, 4, 5, 8mm (1/8″, 5/32″, 3/16″, 5/16″)
Type	Resin Bonded (opt. Diamond/ABN**)	Resin Bonded (opt. Diamond/ABN**)
Speed	6000 Rpm	6000 Rpm
Power Std.	12 – 14 VDC – 12 amp	12 – 14 VDC – 12 amp
Opt.	240 / 110 VAC Converter	240 / 110 VAC Converter
Weight	8kg (40lbs)	22kg (48lbs)
Volume (Packed)	0.06m³ (0.9ft³)	0.06m³ (0.9ft³)

Differences:

• Feed Speed: HANDI-REX offers variable speed, whereas T-REX has a fixed speed of 30 Cpm*.
• Weight: HANDI-REX is lighter at 8kg (40lbs) compared to T-REX’s 22kg (48lbs), making HANDI-REX more portable.

Similarities:

• Both models support a wide range of chain sizes and types.
• Grinding angles and wheel specifications are identical.
• Same power options and speed.

This comparison suggests that while both models share many features, the HANDI-REX might be more versatile due to its variable feed speed and is significantly lighter, enhancing its portability. The T-REX, being heavier, might offer more stability for frequent, heavy-duty use.

Efficiency and Cost-effectiveness

It’s clear that it’s in a league of its own. The high grinding speed is a notable feature – not just for the time it saves, but also for its ability to reduce heat build-up. This is crucial; less heat means the metal’s temper is preserved, which could significantly extend the life of the chains. In my experience, this aspect is often overlooked in chain sharpeners, but the T-Rex handles it masterfully.

Furthermore, the reduced bar wear and enhanced cutting speed it offers are pivotal. In a practical sense, these features mean less time and money spent on maintenance and replacements. This directly translates to reduced labor costs and a boost in productivity. It’s a clear win for anyone looking to optimize their operations without compromising on quality.

Overall Impression

After thoroughly exploring the Dinasaw T-Rex Automatic Chainsaw Sharpener, it’s evident that it sets a benchmark in chain sharpening. What makes the T-Rex stand out is its harmonious blend of speed, precision, and versatility, all wrapped up in a robust and user-friendly package. This sharpener is not just a tool; it’s a comprehensive solution that caters to a wide range of needs, from the small-scale arborist to the large-scale harvester.

The reliability and efficiency of the T-Rex shine through in every aspect of its design and functionality. It’s not just about getting the job done; it’s about enhancing the entire process, ensuring that every chain sharpened is a step towards more streamlined, cost-effective operations. In the realm of chain sharpening tools, the T-Rex is not just a player – it’s a game-changer.

Related Articles:

• STIHL 2 in 1 Chainsaw Chain Sharpener Review
• EzzDoo Electric Chainsaw Sharpener Kit Review 2023

FAQs

1. Can the T-Rex handle chains with irregular or damaged teeth?
   Yes, the T-Rex is equipped with features that allow it to identify and adjust for inconsistencies, ensuring even damaged or irregular teeth are sharpened correctly.
2. How environmentally friendly is the T-Rex sharpener?
   The T-Rex, with its efficiency and reduced waste, aligns well with environmentally conscious practices. Its ability to extend chain life means less material turnover and waste.
3. Can the T-Rex be used for sharpening other tools or blades?
   The T-Rex is specifically designed for chainsaw chains. Using it for other tools or blades is not recommended and could potentially damage the machine or the tools.
4. Is special training required to operate the T-Rex?
   While the T-Rex is user-friendly, a basic understanding of chain sharpening and a review of the machine’s manual is recommended for optimal and safe use.
5. Does the T-Rex come with a warranty or after-sales support?
   Specific warranty and support details would depend on the supplier, but high-end equipment like the T-Rex typically comes with a manufacturer’s warranty and customer support services.
6. How does the T-Rex compare to manual sharpening in terms of accuracy?
   The T-Rex offers superior accuracy compared to manual sharpening, thanks to its automated features and precision engineering. This leads to consistently sharper chains with less effort.
7. Is there a rent or lease option available for the T-Rex?
   Rental or leasing options depend on the suppliers or distributors. Some may offer these alternatives for businesses that prefer not to purchase outright.

Join the discussion below by sharing your experiences, tips, or reviews. Your contributions help others make informed decisions and navigate their chainsaw choices with confidence. Let’s build a community of shared knowledge for all wood-cutting enthusiasts!

David Murray

Forestry Author

I'm David Murry, a forestry equipment specialist with a focus on chainsaw operation. With over 13 years of experience, I've honed my skills in operating and maintaining a wide range of machinery, from chainsaws to log splitters. My passion for the outdoors and commitment to sustainable forestry drive my work, which emphasizes safety, efficiency, and staying updated with industry advancements. Additionally, I'm dedicated to sharing my expertise and promoting environmental awareness within the forestry community.