External dimensions: Length × Width × Height (without cutting at-
tachment)
Mass:
Unit without fuel, cutting attachment and harness (ISO11806-1: 2011)
Unit with fuel, specified cutting attachment, guard and harness
Unit without fuel, cutting attachment, guard and harness
Volume: Fuel tank (full)
Fuel: Gasoline
Oil
Mixture ratio
Cutting attachment:
Nylon line cutting head (Cutting swath)
Thread
Nylon cord size (diameter)
Nylon cord length
Gear Case: Gear ratio and lubrication
Rotational direction of output shaft viewed from above
maximum rotational frequency of the spindle
Engine: Type
Carburettor
Magneto
Spark plug
Starter
Power transmission
Engine displacement
Maximum shaft brake power (ISO 8893)
Fuel consumption at maximum engine power
Recommended maximum engine speed (With STD attachment in-
stalled)
Recommended engine idling speed
2006/42/EC
Vibration (ISO 22867) a
hv,eq
Sound pressure level (ISO 22868) LpAeq
Sound power level (ISO 22868) L
These specifications are subject to change without notice.
Left handle
Right handle
Uncertainty K
Uncertainty K
WARa
Uncertainty K
L
1774 × 340 × 333 mm
5.6 kg
6.4 kg
5.1 kg
440 mL
Regular grade petrol. Minimum 89 Octane unleaded
petrol is recommended. Do not use fuel containing me-
thyl alcohol or more than 10% of ethyl alcohol.
Two stroke, air-cooled engine oil. ISO-L-EGD Standard
(ISO 13738), JASO FC,FD grade and ECHO recom-
mended.
50:1 part (2%)
SF400 (430)
Left-handed thread M10×1.25 pitch
2.4 mm
3.5 m
1.62 reduction and good quality lithium grease
Anticlockwise
-1
6360 min
Air cooled two stroke, single cylinder
Diaphragm type
Flywheel magneto - CDI system
NGK BPMR8Y
Recoil starter
Automatic centrifugal clutch
3
21.2 cm
0.7 kW
0.45 L/h
-1
9800 min
3000 (-100~0) min
2
4.8 m/s
2
2.9 m/s
2
1.2 m/s
90.7 dB(A)
1.5 dB(A)
pA
103.3 dB(A)
2.1 dB(A)
WA
29
Specifications
SRM-237TES
U
1774 × 646 × 536 mm
5.9 kg
7.3 kg
5.4 kg
-1
2
3.6 m/s
2
3.7 m/s
2
1.2 m/s
91.8 dB(A)
1.5 dB(A)
104.2 dB(A)
2.1 dB(A)