Chainsaw NAC CST61-50AC petrol 61.5 cm³ 3.8 HP 50.8 cm guide bar 76-link chain

NAC CST61-50AC petrol chainsaw with a 61.5 cm³ engine delivers rated power of 2850 W (3.8 HP) and is fitted with a 50.8 cm guide bar and a 76-link chain with 1.5 mm thickness. The saw reaches chain speeds up to 19.3 m/s and idle rotational speeds up to 10,000 RPM. Fuel tank capacity is 0.55 L and oil tank capacity is 0.26 L. The tool is intended for cutting firewood and general woodwork; net weight is 6.7 kg.

Advantages

The petrol chainsaw combines a mid-displacement 61.5 cm³ engine with a 50.8 cm guide bar, providing a balance of cutting power and reach for medium-duty tasks. A 76-link, 1.5 mm-thick chain and chain speed of 19.3 m/s support efficient cutting performance. Compact fuel and oil tanks permit extended operation without excessive refuelling, while an overall weight of 6.7 kg keeps the saw manageable for typical outdoor jobs.

Suitable for

• Cutting firewood
• Pruning and trimming medium-sized trees
• General woodcutting and property maintenance
• Rural and farm use where petrol power is required

Key specifications

• Engine displacement: 61.5 cm³
• Rated power: 2850 W (3.8 HP)
• Guide bar length: 50.8 cm
• Chain: 76 links, 1.5 mm thickness
• Chain speed: 19.3 m/s
• Maximum torque: 3.3 N·m
• Idle rotational speed: up to 10,000 RPM
• Fuel type: unleaded petrol 95 with oil (pre-mixed or as specified by manufacturer)
• Fuel tank capacity: 0.55 L
• Oil tank capacity: 0.26 L
• Weight: 6.7 kg

How to use

Before starting, check fuel and oil levels and ensure the chain tension is correct. Use the starter according to the manufacturer's procedure and allow the engine to warm up at idle. For cutting, hold the saw firmly with both hands, position the guide bar correctly on the workpiece, and feed the chain at a steady pace without forcing. After use, clean debris from the bar and chain, check chain tension and lubrication, and store the chainsaw in a dry place.

Recommendations

Use appropriate personal protective equipment such as cut-resistant gloves, safety goggles or a face shield, hearing protection, and protective footwear. Follow local safety regulations and the manufacturer's maintenance schedule to ensure safe operation.