Power: 4 hp Date of manufacture : 1958 - 0000
Production Manufacturer: Simplicity Type: Riding lawn mower Factory: Port Washington, Wisconsin, USA Original price: $350 (1958 ) Variants 990119: manual start 990120: electric start Simplicity Wonder Boy II Engine Mechanical Chassis: 4x2 2WD Steering: manual Cab: Open operator station. Transmission: 2-speed gear Capacity Dimensions & Tires Front tire: 10x2.50 Rear tire: 4.00x8

Simplicity lawn tractors SunStar 16	Power: 16 hp	Date of manufacture : 1988 - 1989

Simplicity lawn tractors SunStar 18	Power: 18 hp	Date of manufacture : 1987 - 1997

Simplicity lawn tractors SunStar 20	Power: 20 hp	Date of manufacture : 1987 - 1997

Simplicity lawn tractors Wonder Boy	Power: 3 hp	Date of manufacture : 1957 - 0000

Simplicity lawn tractors Wonder Boy II	Power: 4 hp	Date of manufacture : 1958 - 0000

Simplicity lawn tractors Yeoman 616	Power: 6 hp	Date of manufacture : 1968 - 0000

Simplicity lawn tractors Yeoman 627	Power: 7 hp	Date of manufacture : 1969 - 1971

Simplicity lawn tractors Yeoman 637	Power: 7 hp	Date of manufacture : 1972 - 0000

Simplicity lawn tractors Yeoman 648	Power: 8 hp	Date of manufacture : 1973 - 0000