Petrol Chain Saw NAC CST45-40-02AC, 45 cm³, 1.9 kW (2.4 kW max), 40 cm bar, 66 links, 1.5 mm chain

The NAC CST45-40-02AC is a petrol-powered chain saw with a 45 cm³ engine and rated power of 1.9 kW (maximum 2.4 kW). It is equipped with a 40 cm guide bar and a 66-link, 1.5 mm NAC chain that reaches a chain speed of 20.8 m/s. The saw has a fuel tank capacity of 0.55 L and an oil tank capacity of 0.26 L. Rotational speed is 10,800 RPM and maximum torque is 2 N·m. The tool weighs 6.1 kg.

Advantages

The petrol chain saw offers a compact 45 cm³ engine that delivers practical cutting power for outdoor tasks. A 40 cm guide bar combined with a 66-link, 1.5 mm NAC chain provides stable cutting performance at up to 20.8 m/s chain speed. Moderate fuel and oil capacities allow for portable operation without frequent refuelling during typical jobs. The unit’s weight of 6.1 kg balances portability and operational stability.

Suitable for

• Cutting firewood and logs
• Pruning and trimming branches
• General outdoor woodworking and property maintenance

Key specifications

• Engine displacement: 45 cm³
• Rated power: 1.9 kW (max 2.4 kW)
• Rotational speed: 10,800 RPM
• Maximum torque: 2 N·m
• Guide bar length: 40 cm
• Chain: 66 links, 1.5 mm (NAC)
• Chain speed: 20.8 m/s
• Fuel type: Unleaded petrol 95 with oil (pre-mix as specified by manufacturer)
• Fuel capacity: 0.55 L
• Oil tank capacity: 0.26 L
• Weight: 6.1 kg

How to use

Before starting, check fuel and bar oil levels and follow the manufacturer’s instructions for fuel/oil mixture if required. Hold the saw firmly with both hands, place your feet for stable stance and start the engine according to the manual. Use the 40 cm guide bar to make controlled cuts, allow the chain to reach operating speed before cutting, and avoid forcing the saw through material. Perform routine checks of chain tension and sharpness and refill fuel and oil as needed.

Recommendations

Keep the unit away from sources of heat and fire. Use appropriate personal protective equipment (gloves, eye and ear protection, and cut-resistant clothing) and operate the saw on stable ground following local safety regulations.