12
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
9,350
Max. spindle speed
1/min
4,300
4,300
Sound pressure level at the operators ear
1)
dB (A)
97
104
Sound pressure level at the bystander’s position (50 ft)
1)
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 TILLOTSON HS-273 A
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 HP 100 high-performance oil
100:1
100:1
- when using MAKITA oil
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 (MAKITA no.)
965 300 470
965 300 470
Overall weight (tanks empty, without cutting disc)
lb
21.38 21.82
21.6 22.04
1)
According to UL-test requirement under full load (cutting concrete).
2)
Circumference speed at max. engine speed
3)
Outside diameter / arbor hole / thickness
4)
Country-specific
Technical data
Denomination of components
1
Handle
2
Filter cover for air filter and spark plug cap
3
Cover lock
4
Tubular handle
5
Muffler
6
Protection hood
7
Grip
8
V-belt tension adjusting screw
9
Retaining nuts
10
Stand
11
Carburetor adjustment opening
12
Identification plate
13
Fuel tank with handle
14
Decompression valve
15
Starter grip
16
Air intake
17
Combination Start/Stop (I/O) switch, choke
18
Stop knob for halfway throttle
19
Safety locking button
20
Throttle lever
21
Tank cap (fuel)
22
Starter housing with starter
23
Cutting disc
24
Disc bolt
25
Spring washer
26
Hold opening
DPC6410
DPC6411
DPC7310
DPC7311
1
24
25
23
2
3
4
5
6
7
8
26
14 15
16
17
18
19
20
9
10
21
22
12
11
13
Serial number
Year of manufacture
Identification plate (12)
Indicate when ordering spare parts
DPC7311
0410 123456
22045 Hamburg, Germany
394.100.674 Typ 394
EMI OFB
973108