A few comments about the Scag Patriot:
Scag did finally listen to their dealer requests and put together a machine with features that only the upper level commercial machines have as standard equipment.
The Patriot was introduced in 2015 and has been upgraded since then. As mower manufacturers usually do a 24 month production run of specific models, as a perspective buyer, do your homework and check the parts manuals for upgrades in models and know what model numbers pertain to which production runs.
As ZTRs with mid mounted mower decks are dusty by nature of their design, it is important to know what type of air filtration system is installed on the engine options that are offered. Kawasaki FX series engines have the Donaldson dual element type air filter system and this is a good thing. The FX series engines also have an engine old cooler and this is also a good thing.
Scag put the Patriot together as an entry level commercial machine with a top level engine. Having a 6.5 gallon single fuel tank is a good thing. The latest model Patriots have an adjustable suspension seat and this is a good thing.
Almost all ZTRs have a rigid suspension which makes them a hard riding machine. Larger tires and suspension seats make the ride more comfortable and the Patriot is an acceptable compromise between lower entry level machines and upper level commercial rated machines such as the Tiger Cat II and Turf Tiger. It is all about the money!
The Patriot has either Hydro-Gear 3400 (61" deck) or 3100 (52" deck) hydrostatic drives with cooling fans, both of these drive systems are very good.
The mower deck although not a Velocity deck, has been upgraded with a larger width deck chute than the original design decks.
Scag does offer two collection systems on the Patriot, a mower deck spindle driven blower model and a mower deck air flow model among other options.
I do limited service on Scags and other makes of tractors/mowers and have had no problems getting parts for older model Scag machines. My local Scag dealer may not have the part in stock but will get the part(s) within a few days, no problem. And having been a power equipment mech and parts man, it is always good to have a great relationship with both!