About these items:High-Strength Steel: This gas chainsaw features a high-strength steel chain and bar, providing you with the durability and cutting performance needed to tackle tough outdoor tasks. The 18''/20'' bar models reduce sawdust splatter for cleaner work areas.Powerful Engine: Choose between a 52CC or 58CC engine that ensures smooth wood cutting with no stalls. Both engines provide ample power, with engine speeds of 8500 RPM and max RPM of up to 12000 RPM, delivering top-notch performance.Comfortable Use: Designed with a built-in shock absorber, the chainsaw minimizes vibration during use, making it easier on your hands and reducing maintenance costs.Easy Handling: Lightweight and ergonomically designed, these chainsaws are easy to handle. The 25.4CC model is especially lightweight at 9.26 lbs, while the 52CC and 58CC models weigh 14.99 lbs and 15.43 lbs respectively.Efficient Cutting: The cutting diameters range from 9.84'' (250 mm) to 17.91'' (455 mm), making these chainsaws suitable for both trimming and felling trees. Their fuel tanks are tough and designed to resist leaks, keeping you working longer with less downtime.Key Differences:Bar Size: The CN-52G features an 18" bar, the CN-58G comes with a 20" bar, while the CN-25 model uses a 12" bar. Larger bars provide a wider cutting range.Engine Power: The CN-25 has a 25.4CC engine with 1.2HP, while the CN-52G has a 52CC engine with 2.55HP and the CN-58G has a 58CC engine with 3.22HP.Cutting Diameter: The CN-25 offers a 9.84" cutting diameter, the CN-52G offers 16.93", and the CN-58G offers 17.91", catering to different cutting needs.Weight: The CN-25 is the lightest at 9.26 lbs, the CN-52G weighs 14.99 lbs, and the CN-58G weighs 15.43 lbs, providing more comfort for long jobs depending on the power required.Fuel Tank Capacity: The CN-25 has a smaller fuel tank (0.24 qt/230ml) compared to the CN-52G and CN-58G, which both feature a 0.58 qt/550ml tank for longer use without refueling.Specifications:Item Model Number: CN-25, CN-52G, CN-58GProduct Weight: CN-25: 9.26 lbs/4.2 kg, CN-52G: 14.99 lbs/6.8 kg, CN-58G: 15.43 lbs/7 kgProduct Size (Without Bar and Chain): CN-25: 10.43 x 8.66 x 8.66 in/265 x 220 x 220 mm, CN-52G: 16.14 x 9.84 x 11.22 in/410 x 250 x 285 mm, CN-58G: 16.14 x 9.84 x 11.22 in/410 x 250 x 285 mmCutting Diameter: CN-25: 9.84"/250 mm, CN-52G: 16.93"/430 mm, CN-58G: 17.91"/455 mmEngine Speed: 8500 RPM (All Models)Max RPM: 12000 RPM (All Models)Fuel Tank Capacity: CN-25: 0.24 qt/230ml, CN-52G: 0.58 qt/550ml, CN-58G: 0.58 qt/550mlChain Oil Tank Capacity: CN-25: 0.17 qt/160ml, CN-52G: 0.27 qt/260ml, CN-58G: 0.27 qt/260mlEngine Type: CN-25: 25.4CC, CN-52G: 52CC, CN-58G: 58CCPower Output: CN-25: 1.2HP, CN-52G: 2.55HP, CN-58G: 3.22HPPackage Contents:1 x Gas Chainsaw