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SPECIFICATIONS
MODEL
Displacement
Exhaust
Carburetor
Ignition System
Spark Plug
Fuel
Fuel/Oil Ratio
Gasoline
Oil
Fuel Tank Capacity
Starter System
Clutch
Gear Case Ratio
Cutter
Length
Blade
Cutting
Pitch
Height
Maximum Diameter Cut
Soft Material
Woody Material
Idle Speed
Clutch Engagement
Speed
Wide Open Throttle
Speed (W.O.T.)
40
HCS-2810
21.2 cc (1.29 cu. in.)
Spark arrestor muffler or spark arrestor muffler with
catalyst
Diaphragm w/purge pump
Flywheel magneto, capacitor discharge ignition type
NGK BPMR8Y (Gap 0.65 mm [0.026 in.])
Mixed (Gasoline and Two-stroke Oil)
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 E-15 or E-
85.
ISO-L-EGD (ISO/CD 13738) and J.A.S.O. M345- FD,
two-stroke, air-cooled engine oil.
0.37 L (12.5 US fl. oz.)
Automatic Recoil Starter, centrifugal type
Centrifugal Type
Double Reciprocating Blade, Single Sided
710 mm (28 in.)
589 mm (23.2 in.)
HCS-2810 / 3810
50:1
4.6:1
955 mm (37.6 in.)
834 mm (32.8 in.)
35 mm (1.38 in.)
24 mm (0.94 in.)
25.4 mm (1 in.)
13 mm (1/2 in.)
3,300 RPM
4,700 RPM
10,740 RPM
© 09/19 ECHO Incorporated
HCS-3810
X7702248300
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