As of April 2016
The F10 Series force blowers offer all the great features of the F9 Series
74661 (TimeCutter ZS 5000 Riding Mower)
Extended run times and a "low oil level" automatic shutdown
The Fast Cut Flail (MY562/MY722) features Y knives
CMI Arborist Pulley | 17115 69 As of April 2016Arborist Pulley. MBS 21,900 lbs., SWL 4,380 lbs., Sheave Diameter 1. 260", Max Rope Diameter 1 2", Weight 16 oz., Bod Material High Strength Aluminum, Sheave Mechanics Oilite Bronze Bushing, Sheave Material Aluminum Alloy, Width 2. 250", Height 4. 125", Depth 1. 765" side plate to side plate. Dimensions and Specifications LENGTH 4. 1250" WIDTH 2 1 4" WEIGHT 1 LBS