12
Technical data
Displacement cu in (cm3) 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 ah,w per EN 1454
- Tubular handle (idle/rated spindle speed) m/s2 6 / 5 7 / 6
- Rear handle (idle/rated spindle speed) m/s2 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
Specic consumption at max. load per ISO 8893 g/kWh 500 500
Fuel tank capacity  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 (cm3) 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 ah,w per EN 1454
- Tubular handle (idle/rated spindle speed) m/s2 5.6 / 6.3 5.6 / 6.3
- Rear handle (idle/rated spindle speed) m/s2 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
Specic consumption at max. load per ISO 8893 g/kWh 500 500
Fuel tank capacity  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-specic
DPC8131 DPC8132