Ryan® Lawnaire® IV Plus Aerator

Honda Powered
Model Number	544908A
Engine	4-cycle, Honda® GX120 with 6:1 gear reduction; recoil start; on/off switch; low-oil alert; muffler
Horsepower (@3,600 rpm)	4-hp (3 kW)
Displacement	6.6 cu. in. (108 cc)
Oil Capacity	1.25 pt. (.6 l)

Briggs & Stratton Powered
Model Number	544909B
Engine	4-cycle, Briggs & Stratton® with 6:1 gear reduction; recoil start; on/off switch; dual air cleaner; low-tone muffler
Horsepower (@3,600 rpm)	6-hp (4.5 kW)
Displacement	12.6 cu. in. (206 cc)
Oil Capacity	1.25 pt. (.6 l)

Unit

Machine Type	Drum style self-propelled walk-behind aerator
Clutch	Belt Tightener
Primary Drive	4L-section V-belt; Single #40 nickel-plated chain
Aerating Width	19 in. (483 mm)
Coring Depth	Up to 2.75 in. (70 mm)
Core Diameter	0.75 in. (19 mm)
Aeration Pattern	3.75 in. x 7 in. (95 mm x 178 mm)
Holes per Square Feet	Up to 9
Productivity	Aerates up to 21,000 sq. ft./hr.
Tines	Hollow, austemper-hardened steel; 3/4 in. (19 mm) diameter coring type tines; 30 tines per aerator
Tires (transport)	(2) 8 x 2.25 semi-pneumatic w/ball bearings - removable

Dimensions

WEIGHT
Dry	200 lbs. (91.2 kg)
Dry with Weights	244 lbs. (111 kg)
Water in Drum with Weights	280 lbs. (127 kg)

Width	28 in. (711 mm)
Length	52 in. (1.1 m)
Height	48 in. (1.2 m) in aeration position; 30 in. (762 mm) with handle folded