I bought this machine in November used it all winter for driveway worked great .. just changed the engine oil and all filters and final drive oil .. the hydraulic oil looks really clean and guy before me said he had it changed a short while ago so I left it.. I think it runs hot for some reason tho no warning lights come on or anything but after 2 or 3 hours of good work u touch the hydraulic oil tank and she really hot like burning hand hot so I shot it with my heat gun and it said it as at 163 f ... does that temp sound right or to hot?? Thinking it might have wrong oil in it ..