The RURIS RM420 chainsaw , with a 2.8 HP engine, powerful, durable and easy to handle, is recommended for cutting firewood, cutting down small and medium-sized trees, removing and thinning shrubs, removing rotten wood, trunks and the sprouts branches, as well as for making wooden constructions.
It ensures the ideal combination of increased efficiency and optimal ergonomics, turning any challenge into an easy activity.
Light weight and high power combined with a robust engine make this multipurpose chainsaw suitable for a wide range of jobs. The RURIS RM420 chainsaw can be used for multiple purposes. It is recommended for:
-tree thinning works;
-cutting of soft and hard wood;
-constructions;
-cutting firewood with a diameter of up to 800 mm.
The RURIS RM420 chainsaw is equipped with a professional Oregon guide bar and chain and a Walbro carburettor, the world leader in the carburettor market.
The equipment with the professional Oregon guide bar and chain ensures resistance, minimal consumption and a constant supply of fuel regardless of the position in which it is held and the conditions in which the chainsaw is used.
The Oregon guide bar and chain bring more efficiency and precision to wood cutting, specially designed for professionals who require maximum performance, durability and versatility.
Through the special design of the Oregon guide bar and chain, the transmission of the optimal amount of oil required for lubrication is determined.
Thanks to the Super Easy Start system, the RURIS RM420 chainsaw will start easily with a single pull without encountering kickback.
By pressing the fuel pump, the fuel is transferred to the carburettor, reducing the number of starting strokes after a longer break in the operation of the chainsaw.
The design of the starter ensures easier pulling and faster starting.
The Vortex system of centrifugal air cleaning helps reduce wear and guarantees a longer period of use.
The RURIS RM420 chainsaw is equipped with a transparent window that allows the user to constantly observe and monitor, quickly and accurately, the fuel level in the tank.
The RURIS RM420 chainsaw is equipped with a key in the chassis for the spark plug, the stretching of the chain with greater ease and for the quick and simple opening of the guide bar, without the need for other tools.
The RURIS RM420 chainsaw is equipped with a magnesium chassis, which leads both to increased durability and resistance to impact with wood, and to reducing the chainsaw's mass, keeping it in perfect balance.
With the help of its features, the RURIS RM420 chainsaw ensures the ideal combination of increased efficiency and optimal ergonomics, turning any challenge into an easy activity.
Through the responsible design of the antivibration points of the RURIS RM420 Chainsaw , the strong vibrations in the coupling points are significantly reduced, avoiding long-term blood supply disturbances in the hands and arms.
The Super Easy Start starting system absorbs the force depending on the evolution of the compression and releases it, determining a balanced starting process, without recoil, without pressure on the user's muscles and joints.
The controls of the RURIS RM420 chainsaw , such as cold or warm start, operation and shutdown, are made easily, because they are within reach of the user, ensuring a high degree of comfort and safety.
The new design of the RURIS RM420 Chainsaw helps operating more efficiently and conveniently.
The RURIS RM420 chainsaw , with the help of Super Easy Start, can be easily started by a simple pull of the rope, when the engine is used before. The starting technology ensures a quick start of the engine, regardless of the external conditions.
The RURIS RM420 chainsaw is easy to handle and can be easily used in household activities for various jobs.
Reliable and robust, the RURIS RM420 chainsaw is easy to operate and requires very little maintenance.
Due to the low weight, of only 5.2 kg, with the help of the RURIS RM420 Chainsaw wood cutting becomes comfortable and can be done over a longer period of time.
The RURIS RM420 chainsaw is equipped to ensure an appropriate level for the environment. The low fuel consumption is the result of the chainsaw's fast rev-in capability combined with the guide bar plus the Oregon performance 3/8 1.3 PM chain.

![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Model | DAC 456RS | DAC 501RS | DAC 506RS | DAC 601RS | DAC 201RS | DAC 401RS | DAC 405RS | DAC 401S | DAC 456 | DAC 506 | RURIS RM280 | RURIS RM300 | RURIS RM350 | RURIS RM420 | RURIS RM450 | RURIS RM500 | RURIS RM540 | DAC 316E | DAC 318EL | DAC 320EL | DAC 322E | DAC 324EL | RURIS R10 |
| Engine | TEZ | TEZ | TEZ | TEZ | TEZ | TEZ | TEZ | TEZ | TEZ | TEZ | Khumma Concept | Khumma Concept | Khumma Concept | Khumma Concept | Khumma Concept | Khumma Concept | Khumma Concept | Electric | Electric | Electric | Electric | Electric | TEZ |
| Engine type | 2 stroke | 2 stroke | 2 stroke | 2 stroke | 2 stroke | 2 stroke | 2 stroke | 2 stroke | 2 stroke | 2 stroke | 2 stroke | 2 stroke | 2 stroke | 2 stroke | 2 stroke | 2 stroke | 2 stroke | - | - | 2 stroke | |||
| Engine power | 3 HP | 3.6 HP | 4 HP | 5 HP | 1.5 HP | 2.5 HP | 2.7 HP | 2 HP | 2.5 HP | 3 HP | 1.5 HP | 1.5 HP | 2 HP | 2.8 HP | 3 HP | 3.3 HP | 3.6 HP | 1600 W | 1800 W | 2000 W | 2200 W | 2400 W | 1.2HP |
| Engine displacement | 45 cc | 49.3 cc | 54.5 cc | 55.6 cc | 25.4 cc | 36.3 cc | 40.2 cc | 41 cc | 45 cc | 54 cmc | |||||||||||||
| Ignition system | Electronic | Electronic | Electronic | Electronic | Electronic | Electronic | Electronic | Electronic | Electronic | Electronic | Electronic | Electronic | Electronic | Electronic | Electronic | Electronic | Electronic | - | - | ||||
| Start-up | Easy Start | Easy Start | Easy Start | Easy Start | Easy Start | Easy Start | Easy Start | Manual | Manual | Manual | Manual | Manual | Electric | Manual | Manual | Manual | Manual | Electric | Electric | ||||
| Fuel | Benzină fără plumb | Benzină fără plumb | Benzină fără plumb | Benzină fără plumb | Amestec carburant | Amestec carburant | Amestec carburant | Amestec carburant | Amestec carburant | Amestec carburant | Amestec carburant | Amestec carburant | Amestec carburant | Amestec carburant | Amestec carburant | Amestec carburant | Amestec carburant | Amestec carburant | |||||
| Fuel tank capacity | 590 ml | 590 ml | 590 ml | 590 ml | 190 ml | 410 ml | 410 ml | 310 ml | 550 ml | 550 ml | 210 ml | 210 ml | 410 ml | 550 ml | 520 ml | 520 ml | 520 ml | ||||||
| Oil tank capacity | 260 ml | 260 ml | 260 ml | 260 ml | 140 ml | 200 ml | 200 ml | 210 ml | 260 ml | 260 ml | 200 ml | 200 ml | 280 ml | 260 ml | 250 ml | 250 ml | 250 ml | ||||||
| Avg. fuel consumption | 550g/kWh | 550g/kWh | 560g/kWh | 580g/kWh | 460g/kWh | 490g/kWh | 490g/kWh | 560g/kWh | 550g/kWh | 550g/kWh | 460g/kWh | 460g/kWh | 464g/kWh | 475g/kWh | 513g/kWh | 582g/kWh | 566g/kWh | ||||||
| Fuel mixing | 25 ml oil/ 1l fuel | 25 ml oil/ 1l fuel | 25 ml oil/ 1l fuel | 25 ml oil/ 1l fuel | 25 ml oil/ 1l fuel | 25 ml oil/ 1l fuel | 25 ml oil/ 1l fuel | 25 ml oil/ 1l fuel | 25 ml oil/ 1l fuel | 25 ml oil/ 1l fuel | 20 ml oil/ 1l fuel | 20 ml oil/ 1l fuel | 25 ml oil/ 1l fuel | 25 ml oil/ 1l fuel | 25 ml oil/ 1l fuel | 25 ml oil/ 1l fuel | 25 ml oil/ 1l fuel | - | - | 25 ml oil/ 1l fuel | |||
| Front handle vibrations | 3.22m/s ² | 3.22m/s ² | 3.22m/s ² | ||||||||||||||||||||
| Front handle vibrations | 6,78m/s ² | 7,5m/s ² | 5,65m/s ² | 6,09m/s ² | 5,82m/s ² | 6,13m/s ² | 6,34m/s ² | ||||||||||||||||
| Back handle vibrations | 7,2m/s² | 7,0m/s² | 6,65m/s² | 5,39m/s² | 6,45m/s² | 6,27m/s² | 6,25m/s² | ||||||||||||||||
| Carburetor type | Walbro | Walbro | Walbro | Walbro | Walbro | Walbro | Walbro | ||||||||||||||||
| Standard bar lenght | 400 mm | 450 mm | 450 mm | 380 mm | 300 mm | 350 mm | 400 mm | 400 mm | 380 mm | 450 mm | 300 mm | 300 mm | 350 mm | 400 mm | 400 mm | 450 mm | 500 mm | 350 mm | 350 mm | 400 mm | 400 mm | 400 mm | 300 mm |
| Chain pitch size | 0.325” 1.5RS / 32T | 0.325” 1.5RS / 36T | 0.325” 1.5RS / 36T | 0.325’’ 1.5 RS/38 | 3/8” 1.3 PM | 3/8” 1.3 PM | 3/8” 1.3 PM | 3/8” 1.3 PM/28+1 | 0.325’’ 1.5 RS33 | 0.325’’ 1.5 RS/38 | 3/8 1.3PM / 22+1T | 3/8 1.3PM / 22+1T | 3/8 1.3PM / 26+1T | 3/8 1.3PM / 28+1T | 0.325” 1.5RS / 32T | 0.325” 1.5RS / 36T | 0.325” 1.5RS / 39T | 3/8” 1.3 PM | 3/8” 1.3 PM | 3/8” 1.3 PM | 3/8” 1.3 PM | 3/8” 1.3 PM | 3/8” 1.3 PM |
| Chain stretch | Frontal | Frontal | Frontal | Lateral comfort | Lateral comfort | Lateral comfort | Lateral comfort | Lateral comfort | Lateral comfort | Lateral comfort | Rapid SDS | Rapid SDS | |||||||||||
| Cutting height | 2.8m | ||||||||||||||||||||||
| Chain brake | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | ||||||||||
| Weight | 6.5 kg | 6.5 kg | 6.6 kg | 7.1 kg | 2.86 kg | 5.2 kg | 5.3 kg | 5.5 kg | 6.4 kg | 6.5 kg | 3.26 kg | 3.4 kg | 4.65 kg | 5.2 kg | 5.7 kg | 5.7 kg | 5.7 kg | 5 kg | 4.7 kg | 5.1 kg | 5.2 kg | 5.2 kg | 9.5 kg |
| Warranty | 24 months | 24 months | 24 months | 24 months | 24 months | 24 months | 24 months | 24 months | 24 months | 24 months | 24 months | 24 months | 24 months | 24 months | 24 months | 24 months | 24 months | 24 months | 24 months | 24 months | 24 months | 24 months | 24 months |