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Product

180BF

180BT

170BF

170BT

370BTS

356BF

356BT

150BF

150BT

130BT

125BT

125BVx

125Bx

125B

MSRP

$ 529.95

$ 529.95

$ 499.95

$ 499.95

$ 499.95

$ 479.95

$ 479.95

$ 299.95

$ 299.95

$ 249.95

$ 199.95

$ 189.95

$ 179.95

$ 149.95

Engine specification
Cylinder displacement 71.9 cc 71.9 cc 64.9 cc 64.9 cc 64.9 cc 51.7 cc 51.7 cc 50.2 cc 50.2 cc 29.5 cc 25.4 cc 28 cc 28 cc 28 cc
Cylinder bore 1.97 inch 1.97 inch 1.9 inch 1.9 inch 1.9 inch 1.7 inch 1.7 inch 1.7 inch 1.7 inch 1.5 inch 1.3 inch 1.4 inch 1.4 inch 1.4 inch
Cylinder stroke 1.44 inch 1.44 inch 1.4 inch 1.4 inch 1.4 inch 1.3 inch 1.3 inch 1.3 inch 1.3 inch 1 inch 1.1 inch 1.1 inch 1.1 inch 1.1 inch
Power output 4.43 hp 4.43 hp 3.5 hp 3.5 hp 3.5 hp 3.2 hp 3.2 hp 2.1 hp 2.1 hp 1.3 hp 0.95 hp 1.1 hp 1.1 hp 1.1 hp
Maximum power speed 8000 rpm 8000 rpm 7250 rpm 7250 rpm 7250 rpm 6000 rpm 6000 rpm 7500 rpm 7500 rpm 8000 rpm 7800 rpm 8000 rpm 8000 rpm 8000 rpm
Maximum recommended engine speed 6700 rpm 6700 rpm 8000 rpm 8000 rpm 8000 rpm 6000 rpm 6000 rpm 7800 rpm 10000 rpm 10000 rpm 10000 rpm
Carburetor Diaphragm Diaphragm Rotary valve Rotary valve Rotary valve Zama EL27 Zama EL27 Rotary valve Rotary valve Rotary valve Walbro Zama C1Q Zama C1Q Zama C1Q
Fuel tank volume 72.02 fl oz 72.02 fl oz 59.17 fl oz 59.17 fl oz 59.17 fl oz 50.72 fl oz 50.72 fl oz 42.27 fl oz 42.27 fl oz 30.43 fl oz 16.91 fl oz 16.91 fl oz 16.91 fl oz 16.91 fl oz
Fuel consumption 403 g/kWh 403 g/kWh 382 g/kWh 382 g/kWh 382 g/kWh 400 g/kWh 400 g/kWh 392 g/kWh 690 g/kWh 575 g/kWh 575 g/kWh 575 g/kWh
Idling speed 2000 rpm 2000 rpm 2000 rpm 2300 rpm 3000 rpm
Spark plug NGK CMR7H NGK CMR7H NGK CMR7H NGK BPMR7A NGK BPMR7A NGK BPMR7A Champion RCJ-8Y Champion RCJ-8Y Champion RCJ-8Y
Ignition system Ducati ET Ducati ET
Electrode gap 0 " 0 "
Air flow data
Air flow in housing 914.65 cfm 914.65 cfm 741.61 cfm 741.61 cfm 741.61 cfm 766.33 cfm 766.33 cfm 692.17 cfm 692.17 cfm 430.84 cfm 384.93 cfm 470 cfm 470 cfm 470 cfm
Air flow in pipe 685.1 cfm 685.1 cfm 565.03 cfm 565.03 cfm 565.03 cfm 473.22 cfm 473.22 cfm 494.41 cfm 494.41 cfm 360.21 cfm 310.77 cfm 425 cfm 425 cfm 425 cfm
Air Speed 201 mph 201 mph 198 mph 198 mph 198 mph 177 mph 177 mph 180 mph 180 mph 145 mph 140 mph 170 mph 170 mph 170 mph
Air speed (round nozzle) 130 mph 130 mph 130 mph
Air speed (flat nozzle) 170 mph 170 mph 170 mph
Emission, vibration & noise data
Vibration idling right handle min/max 2.6/2.6 m/s² 2.2/2.2 m/s² 1.4/1.4 m/s² 0.8/0.8 m/s² 0.8/0.8 m/s² 1.7/1.7 m/s² 1.3/1.3 m/s² 2.3/2.3 m/s² 2.9/2.9 m/s² 1.9/1.9 m/s² 1.2/1.2 m/s² 5.2/5.2 m/s² 5.2/5.2 m/s² 5.2/5.2 m/s²
Vibration top speed right handle min/max 4.5/4.5m/s² 3.5/3.5m/s² 4.2/4.2m/s² 3.9/3.9m/s² 3.9/3.9m/s² 4.3/4.3m/s² 4.2/4.2m/s² 2.5/2.5m/s² 2.1/2.1m/s² 2.6/2.6m/s² 1.2/1.2m/s² 11.6/11.6m/s² 11.6/11.6m/s² 11.6/11.6m/s²
Sound level, min/max dB(A) 100/100 dB(A) 100/100 dB(A) 95/95 dB(A) 95/95 dB(A) 95/95 dB(A) 90/90 dB(A) 88/88 dB(A) 94/94 dB(A) 94/94 dB(A) 94/94 dB(A) 92/92 dB(A) 92/92 dB(A) 92/92 dB(A) 92/92 dB(A)
Sound power level, LWA 109 dB(A) 110 dB(A) 110 dB(A) 110 dB(A) 110 dB(A) 100 dB(A) 100 dB(A) 104 dB(A) 104 dB(A) 102 dB(A) 102 dB(A) 107 dB(A) 107 dB(A) 107 dB(A)
Sound pressure (15m) 77 dB(A) 77 dB(A) 76 dB(A) 76 dB(A) 76 dB(A) 64 dB(A) 64 dB(A) 71 dB(A) 71 dB(A) 69 dB(A) 67 dB(A) 70 dB(A) 70 dB(A) 70 dB(A)
Exhaust emissions (CO average) 536 g/kWh 536 g/kWh 536 g/kWh 144 g/kWh 144 g/kWh 536 g/kWh 168 g/kWh 168 g/kWh 168 g/kWh
Exhaust emissions (HC+NOx average) 62 g/kWh 56 g/kWh
Exhaust emissions (HC average) 47 g/kWh 47 g/kWh 41.5 g/kWh 41.5 g/kWh 41.5 g/kWh
Exhaust emissions (NOx average) 1.7 g/kWh 1.7 g/kWh 0.4 g/kWh 0.4 g/kWh 0.4 g/kWh
Exhaust emissions (CO² average) 825 g/kWh 825 g/kWh
Equipment
OEM Harness Integrated Integrated Integrated Integrated Integrated Integrated Integrated Integrated Integrated Integrated Integrated Single harness -- --
OEM Nozzle type Round Round Round Round+Flat Round+Flat Round+Flat
OEM Vacuum Kit yes
Overall dimensions
Weight 29.54 lbs 29.1 lbs 26.9 lbs 26.5 lbs 26.5 lbs 22.49 lbs 22.49 lbs 22.91 lbs 22.5 lbs 14.77 lbs 13 lbs 9.6 lbs 9.6 lbs 9.4 lbs
Vac bag capacity 17 gal.
Mulch ratio 16:1
Logistical Data
Weight incl. packaging 34.74 lbs 30.47 lbs 31.44 lbs 31.44 lbs 25.62 lbs 25.49 lbs 19 lbs 14.89 lbs

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  • Extreme Duty, Daily Use

    Extreme Duty, Daily Use

    Pro Foresters, Arborists, Land Clearing, Landscapers, Construction Crews and other users who demand the ultimate professional performance.

  • Heavy Duty, Frequent Use or Occasional Demanding Use

    Heavy Duty, Frequent Use or Occasional Demanding Use

    Semi-Pros, Farmers/Ranchers, Large residential property owners and other demanding users who require high performance.

  • Medium Duty, Seasonal or Occasional Use

    Medium Duty, Seasonal or Occasional Use

    Residential property owners and others who seek reliable proven performance and quality.