ECHOShindaiwa
431SX
  • X-Series
  • Petrol

431SX/40R95D

The lightest and most powerful chain saw in its class.

Variants

Product

Technologies

  • G+ Series

    ES-Start

    Spring-assisted system makes starting significantly easier.

  • G+ Series

    G-force Engine Air Pre Cleaner

    Cleaner air intake reduces air filter maintenance.

  • G+ Series

    Side Access Chain Tensioner

    Quick and safe chain adjustment.

  • G+ Series

    Quick Draw

    Clip and unclip your saw conveniently with one hand.

  • G+ Series

    Spike

Product

Specifications

Output (kW)
2.3
Output (ps)
3.1
Rated power (kW)
2.3
Rated power (ps)
3.1
Power source type
Petrol
Dry weight (kg)
4.3
Guide Bar Gauge (inch)
0.050

Choke
true
CO² (g/kW・h)
846
Displacement (cm³)
42.9
Fuel consumption at maximum engine power (L/h)
1.24
Recommended engine speed at idling (r/min)
2800
Engine speed at maximum engine power (r/min)
13300
Primer pump
true
Spark plug model
NGK CMR7H
Starting mode
ES Start

Bar length (cm)
33, 35, 40, 45
Bar length (inch)
13", 14, 16, 18
Chain pitch (inch)
0.325
Blade scabbard
true
Chain brake
Inertia mechanical
Chain tensioner location
Side
Chain tensioner type
Tool adjustment
Side access chain tensioner
true

Toolless adjustable air filter cover
true
Air filter type
Pleated paper
Carburetor type
Diaphragm
Clutch type
Centrifugal
Engine type
2 stroke
Fuel mix ratio
2
Fuel tank capacity (mL)
400
G-FORCE Power unit Air Pre-Cleaner
true
Ignition type
CDI
Lubrication type
Automatic
Spike as standard
true

Emmission certification
true
Power unit manufacturer
YAMABIKO
Sound power level (dB(A))
111.2
Sound pressure level (dB(A))
102
Vibration Front handle / Rear handle (m/s²)
3.3 / 3.1

Chainsaw front handle material
Metal
Handle soft grip
true

Chain oil tank capacity (ml)
270
Oil cap location
Left
Oil feeding efficiency (mL/min)
7

ES-Start
true
Quick draw
true

X-Series Performance

Discover Shindaiwa’s most advanced range, combining exceptional power, lightweight design and proven durability for maximum professional productivity.

Any questions?

FAQ

See the whole FAQ

The right bar length depends on the diameter of the wood you cut and your experience. Shorter bars are lighter and easier to handle for pruning and light work, while longer bars suit felling larger trees. Our Tool finder can help you compare models.

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Support

Warranty information