Ryan® Lawnaire® 28 Aerator

Ryan® lawnaire® 28 lawn aerators

Pulls cores even in difficult soil conditions
Produces more holes in a single pass
Self-propelled and easy to maneuver requiring less effort
Vertical coring means the turf is ready for play more quickly
2-Year Commercial Warranty
Choose Honda® GX200™ 5.5hp or Briggs & Stratton® Vanguard® 7.5hp engine
Self-propelled: chain drive rear differential
Front castor wheel
Dual chain tine drive system
24,000 sq. ft. per hour
Up to 12 holes per sq. ft.
2.5" coring depth
Remote engine kill switch
Sealed, precision ball bearings at all locations in the tine arms and linkage for low maintenance and durability
Extra set of 0.75" x 2.5" tines included

Model Number	544887
Engine	4-cycle, Honda® GX200™ recoil starter; on/off switch; muffler
Horsepower (@3,600 rpm)	5.5-hp (4.1 kW)
Displacement	11.9 cu. in. (196 cc)
Oil Capacity	0.6 qt. (0.63 l)

Model Number	544874E
Engine	4-cycle, Briggs & Stratton® Vanguard™ recoil starter; on/off switch; muffler
Horsepower (@3,600 rpm)	7.5-hp (5.6 kW)
Displacement	13.1 cu. in. (215 cc)
Oil Capacity	1 qt. (.9 l)

Unit

Machine Type	Reciprocating self-propelled walk-behind aerator
Clutch	Belt Tightener

Drive

Wheel	A-section V-belt, #40 Nickel plated roller chain
Tines	B-section V-belt, #50 Nickel plated roller chain
Aerating Width	28 in. (711 mm)
Coring Depth	Up to 2.5 in. (64 mm)
Core Diameter	0.75 in. (19 mm)
Aeration Pattern	3.5 in. x 5 in. (89 mm x 127 mm)
Holes per Square Feet	Up to 12 per sq. ft. (129/m)
Productivity	Aerates up to 24,000 sq. ft./hr. (2230 m/hr.)
Transport	2.1 mph (3.3 km/hr.)
Tines	Hollow, tapered, austemper-hardened steel; 3/4 in. (19 mm) diameter tines
Tine Arms	4 arms; 2 tines per arm
Brakes	Automatic parking brake
Handles	Rubber isolated handlebars
Tine Engagement Mechanism	Spring-assist
Bearings	Sealed precision bearings
Lubrication	5 grease fitting
Reversing gearbox	Oil bath
Differential	Grease

Tires

Front	(1) 10.4 x 4.10/3.50, 4-ply, caster style
Rear	(2) 8.7 x 2.80/2.50, 4-ply

Dimensions

Width	34 in. (864 mm)
Length	56.4 in. (1.4 m)
Height	48 in. (1.2 m)
Weight - Model 544887 (Honda engine)	404 lbs. (183 kg.)
Weight - Model 54487E (Briggs & Stratton engine)	400 lbs. (181 kg)