SPECIFICATIONS
SRM-3020
46
X7502350002
©
2/20
ECHO Incorporated
SPECIFICATIONS
MODEL
SRM-3020
Length without cutter head
1,808 mm (71.2 in.)
Width
306 mm (12 in.)
Height
344 mm (13.5 in.)
Weight (dry) without cutter
head
5.5 kg (12.1 lb.)
Engine Type
Air cooled, two-stroke, single cylinder gasoline
engine
Bore
36 mm (1.42 in.)
Stroke
30 mm (1.18 in.)
Displacement
30.5 cc (1.86 in.³)
Exhaust
Spark arrestor muffler or spark arrestor muffler with
catalyst
Carburetor
Diaphragm wth purge pump
Ignition System
Flywheel magneto, capacitor discharge ignition type
Spark Plug
NGKCMR7H – Gap 0.6 mm (0.026 in.)
Fuel
Mixed (Gasoline and Two-stroke Oil)
Fuel/Oil Ratio
50:1
Gasoline
Use 89 Octane unleaded. Do not use fuel containing
methyl alcohol, more than 10% ethyl alcohol or 15%
MTBE. Do not use alternative fuels such as E15 or
E85.
Oil
ISO-L-EGD (ISO/CD 13738) and J.A.S.O. M345-
FD, two-stroke, air-cooled engine oil.
Fuel Tank Capacity
0.71 L (24 US fl. oz.)
Starter System
Automatic rewind starter
Clutch
Centrifugal type
Vibration Isolated System
Rubber cushion on engine mount (heavy duty).
Rubber grip on front handle.
Operating Rod
25.0 mm (0.98 in.) aluminum tube
Drive Shaft
6.15 mm (0.25 in.) flexible shaft
Gear Case Ratio
1.62:1
Rotating Direction
Counterclockwise; viewed from top
Cutter Head
Speed Feed
®
450 LH nylon line head, line capacity
7.6 m (25 ft.)
Handle
Front – loop, rear handle