I have been driving a trackless mower for 25 yrs ,on my second one, we are supposed to replace that one in the spring ,I find they work good ,great for tight places like trails ,along highway , cutting behind guardrails , cuts 2 ,3 inch trees no problem ,spend 5 months mowing ,3 months sweeping ,use to spend 2 months plowing but havent done sidewalks in last 15 yrs ,I love my job will miss it ,retire in 7 momths