SR 420 Backpack Blower/Sprayer Specifications
| DISPLACEMENT | 56.5 cc (3.44 cu. in.) |
| ENGINE POWER | 2.6 kW(3.5 bhp) |
| WEIGHT | 11.1 kg(24.5 lbs) |
| FUEL CAPACITY | 1500 cc (50.7 oz.) |
| CONTAINER CAPACITY | 14.01 (3.7 gal.) |
AIR VOLUME With tubes Without tubes | 750 m3/h (441 cfm) 1260 m3/h (742 cfm) |
| AIR VELOCITY | 101 m/sec.(226 mph) |
SPRAY RANGE Vert. Horz. | 11.5 m (38 ft.) 12 m (40 ft.) |