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12
Technical data
Displacement
cu in (cm
3
)
3.9 (64)
4.5 (73)
Bore
in (mm)
1.85 (47)
1.97 (50)
Stroke
in (mm)
1.46 (37)
1.46 (37)
Max. power
hp (kW)
4.4 (3.2)
5.6 (4.2)
Max. torque
Nm
4.0
5.0
Idling speed
1/min
2,500
2,500
Clutch engagement speed
1/min
3,800
3,800
Engine speed limitation
1/min
9,350 ± 145
9,350 ± 145
Max. spindle speed
1/min
4,300
4,300
Sound pressure level at the operators ear
dB (A)
97
104
Sound pressure level at the bystander’s position (50 ft)
dB (A)
84
86
Vibration acceleration a
h,w
per EN 1454
- Tubular handle (idle/rated spindle speed)
m/s
2
6 / 5
7 / 6
- Rear handle (idle/rated spindle speed)
m/s
2
8 / 6
8 / 7
Carburetor
(diaphragm carburetor)
Type
WALBRO WJ-123
Ignition system
(with speed limitation)
Type
electronic
Spark plug
Type NGK BPMR 7A / BOSCH WSR 6F / CHAMPION RCJ 6Y
Electrode gap
in (mm)
.020 (0.5)
.020 (0.5)
Fuel consumption at max. load per ISO 8893
kg/h
1.65
2.1
Specific consumption at max. load per ISO 8893
g/kWh
500
500
Fuel tank capacity
fl oz (l)
37 (1.1)
37 (1.1)
Mixture ratio (fuel/two-stroke oil)
- when using MAKITA Synthetic oil
50:1
50:1
- when using other synthetic oil (quality grade JASO FC or ISO EGD)
50:1
50:1
Cutting disc for 80 m/sec.
2)
in
12" / 0.8" / 0.2"
3)
14" / 0.8" / 0.2"
3)
12" / 0.8" / 0.2"
3)
14" / 0.8" / 0.2"
3)
Cutting disc for 80 m/sec.
2) 4)
in
14" / 1" / 0.2"
3)
14" / 1" / 0.2"
3)
Arbor diameter
in
0.8" 0.8" / 1.0" 0.8" 0.8" / 1.0"
V-belt
no.
965 300 470
965 300 470
Overall weight (tanks empty, without cutting disc)
lb 21.38 21.82 21.6 22.04
DPC6430, 6440 DPC6431, 6441 DPC7330, 7340 DPC7331, 7341
Displacement
cu in (cm
3
)
4.9 (81)
4.9 (81)
Bore
in (mm)
2.05 (52)
2.05 (52)
Stroke
in (mm)
1.49 (38)
1.49 (38)
Max. power
hp (kW)
6.2 (4.5)
6.2 (4.5)
Max. torque
Nm
5.2
5.2
Idling speed
1/min
2,500
2,500
Clutch engagement speed
1/min
3,800
3,800
Engine speed limitation
1/min
9,350 ± 145
9,350 ± 145
Max. spindle speed
1/min
4,300
3,750
Sound pressure level at the operators ear
dB (A)
100
100
Sound pressure level at the bystander’s position (50 ft)
dB (A)
79
79
Vibration acceleration a
h,w
per EN 1454
- Tubular handle (idle/rated spindle speed)
m/s
2
5.6 / 6.3
5.6 / 6.3
- Rear handle (idle/rated spindle speed)
m/s
2
8.8 / 6.0
8.8 / 6.0
Carburetor
(diaphragm carburetor)
Type WALBRO WJ-123
Ignition system
(with speed limitation)
Type electronic
Spark plug
Type NGK BPMR 7A / BOSCH WSR 6F / CHAMPION RCJ 6Y
Electrode gap
in (mm)
.020 (0.5)
.020 (0.5)
Fuel consumption at max. load per ISO 8893
kg/h
2.3
2.3
Specific consumption at max. load per ISO 8893
g/kWh
500
500
Fuel tank capacity
fl oz (l)
37 (1.1)
37 (1.1)
Mixture ratio (fuel/two-stroke oil)
- when using MAKITA Synthetic oil
50:1
50:1
- when using other synthetic oil (quality grade JASO FC or ISO EGD)
50:1
50:1
Cutting disc for 80 m/sec.
2)
in
14" / 0.8" / 0.2"
3)
16" / 0.8" / 0.2"
3)
Cutting disc for 80 m/sec.
2) 4)
in
14" / 1.0" / 0.2"
3)
16" / 1.0" / 0.2"
3)
Arbor diameter
in
0.8" (1.0")
4)
0.8" (1.0")
4)
V-belt
no.
965 300 490
965 300 480
Overall weight (tanks empty, without cutting disc)
lb
22.05
23.37
2)
Circumference speed at max. engine speed
3)
Outside diameter / arbor hole / thickness
4)
Country-specific
DPC8131
DPC8132