hayter harrier 48 auto drive

[wesdog]

Hi thi mower is in very good condition but is very sluggish it will pull on flat but slight incline will stop it has a new variator pulley and belts so i am puzzled why it has this problem the engine starts and runs fine

 

[neilhol]

Hi thi mower is in very good condition but is very sluggish it will pull on flat but slight incline will stop it has a new variator pulley and belts so i am puzzled why it has this problem the engine starts and runs fine

Having same issue with a hayter 56. Did you find out what caused your issue. Was it the gearbox?