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Curtis B.
Curtis B., Technician
Category: Small Engine
Satisfied Customers: 28897
Experience:  have worked on and around most engine models for 35 yrs./Polaris ATV expert
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I have a Troy Bilt GTX 16 Model 13101 SN 131010100895, The

Customer Question

I have a Troy Bilt GTX 16 Model 13101 SN 131010100895
JA: I'll do all I can to help. How long have you been dealing with this?
Customer: The tractor recently stopped moving forward or reverse. It has a new B&S engine. I jacked the rear tires off the ground and they will turn but I can stop them with my hand. Could it be the charge pump or transmission?
JA: Can you guesstimate how old the engine is? And has it done anything like this in the past?
Customer: Like I said the engine is new less than 20 hours
JA: Do you plan on doing the work yourself?
Customer: yes
JA: Anything else we should know to help you best?
Customer: I checked the transmission oil level which was perfect (and clean). even so I changed the transmission filter on the chance it was something cheap and easy.
Submitted: 2 months ago.
Category: Small Engine
Expert:  Curtis B. replied 2 months ago.

Welcome to JUST ANSWER small engines, let me try to help you !! I don't know it all, but maybe together we can get you a satisfactory answer!

Expert:  Curtis B. replied 2 months ago.

Is the drive belt from engine to transmission tight? Have you had either of the rear wheels off?

Expert:  Curtis B. replied 2 months ago.

With both wheels off the ground, and you turn one wheel manually, does the other turn in opposite direction?

Customer: replied 2 months ago.
The hydraulic pump is driven by a drive shaft (no belt). I'll check the wheel rotation. I should block one and see if I can stop the other by hand. Also the hydraulic pump is an Eaton 11. I found a service manual online. Right now I suspect a pressure relief valve inside. I should also check the output pressure of the charge pump.
Expert:  Curtis B. replied 2 months ago.

Did you do the turn one wheel , to see if the other wheels turns in opposite direction? If not, you have rear end problem or broken axle.

Customer: replied 2 months ago.
Hi Curtis,
I jacked the two back tires off the ground and they do turn opposite each other. However, if I hold one, and turn the other, I hear a loud clicking sound. I know there must be some limited slip between the two otherwise the tractor could not turn.Right now I'm pretty convinced it's the hydraulic unit.
Expert:  Curtis B. replied 2 months ago.

Yes, differential is ok, or wheels would t turn in opposite direction. . That only leaves the hydraulic unit.