Bobcat CT122

[KW]

I bought a new little tractor to use around the yard. It is not heavy equipment but this looked like the best place to ask my question.

The little Bobcat CT122 tractor has a 3 cylinder 22hp diesel engine and the recommended oil weights to use are all over the place in the hand book. 5W30 -- 20W50 are listed and they don't seem to even recommend a diesel oil for it. It seems that I can't go wrong with Rotella T 15W40 in it and maybe next year move over to Amsoil AMO 10W40 so it will use the same oil as my Jeep and gen sets.

Does this seem like a good plan?

 

[mrichards]

I have a Ford 1900 my uncle bought in new in 1985 and sold it to me in 2003. It also has a 3cyl diesel engine in it. I use the Amsoil 15w40 Heavy duty diesel and marine oil in it. He also has used Amsoil in it since it was new and we have never had a problem with it has over 2500 hours on it. I would defently recommend the the Amsoil I don't see how that 10w40 oil would hurt but maybe one of the Amsoil Reps on here will answer that for sure.

 

[Cup of Joe]

Go over to tractorbynet.com for general tractor talk. I have a Kioti CK25HST which is the same as a bobcat CT225-CT235 only difference is hp between the models.

Your plan sounds excellent. I switched my Kioti over to Amsoil AME last year at the 1st oil change. In roughly 10 more hours I am going to sample it just to see how the oil is holding up. AMO is a great option as is ACD. I may use 2 quarts AME and 1 gallon ACD at my next oil change.

 

[KW]

I'm really liking this little tractor! It really seems to be earning it's keep around here. It was over filled with oil from the dealer by about 1/2 quart so after about 4 hours of use I drained the oil and topped it back off with Rotella 15W40. I left the filter alone, I just didn't want it to be over full.

It took about 3 quarts to top it back off so it was no big deal to dump the oil. I think it holds something like 3.6 quarts total.

 

[Cup of Joe]

I'm not sure about the bobcats but 3.6 quarts does not sound right to me. My 3 cylinder 25hp Kioti basicly the same engine holds 6 quarts. Check the owners manual for capacity.

 

[KW]

I just checked the book and it says:

Fuel 5.3 gal
Oil and filter 3.4 qt
Cooling system 6.0 qt


It says to change the oil and filter every 100 hours.

That really does seem like a small amount of oil for a diesel.

 

[Cup of Joe]

The oil capacity difference is interesting. According to Wix it uses the same filter as a hyundai/kia which is roughly half the size of the filter on the CT225 and up. 100 hours seems to be their standard interval. Using fords 33mph per idle hour as a rule of thumb 100 hours is basicly 3000 miles.

 

[NesloOne]

I would also go for the Amsoil only.