Description 50% more torque than the SRM-280. Key Features 28.1 cc professional-grade, 2-stroke engine for outstanding performance 2-stage commercial-grade air filtration for long engine life 50% more cutting torque than the SRM-280 High-Capacity Speed-Feed® re-loads in seconds Extra heavy-duty engine vibration reduction mount and rubber over-mold handles for operator comfort Large fuel tank for long run times Specifications Engine Displacement (cu in): 28.1 Shield: Std. SRM Carburetor: Rotary Drive Shaft: 4-Layer Cable Fuel Capacity (fl. oz.): 21.1 Nylon Line (in dia): .095 Cross-Fire® Shaft Length (in): 59 Dry Weight (lbs)1: 13.5 Shaft Type: Straight Dry Weight (lbs)2: 12.8 Starting System: Standard Consumer Warranty: 5 years Cutting Head: High-Capacity Speed-Feed® Commercial Warranty: 2 years Cutting Swath (in): 17 Rental Warranty: 90 days NOTES:1 With cutting head and shield 2 Without cutting head or shield