The John Deere LT166 and LTR166 (rear discharge) lawn tractor was manufactured from 1998 to 2001.
Electrical system is 12 volts, oil capacity 1.6 quarts and fuel capacity 2 gallons.
The transmission is a Tuff-Torq K51 hydrostatic controlled by two right-side foot pedals.
The available mower deck sizes were 38, 42 and 48 inches. John Deere also made a 42 inch front blade model 4291M with a manual lift.