My 1999 New Holland TC-25D bogs down after about 45 min. of operation in warmer weather (60 degrees F +), especially when climbing hills while mowing. In the winter when I plow, it runs fine with no incident.
The air filters seem fine, although they are about due for replacement. I havent...
I've owned a 1999 New Holland TC- 29D since practically new. I love this tractor! I mostly mow and plow with it but the front loader has come in way handy for landscaping projects and the hydrostatic transmission makes life easy....