Greg L.,
A 109 has the durable K241 10 hp engine. There is some thought that the 105, 107 and 109 models were a little underpowered with the hydro transmission. When IH introduced the Quietline models, they didn't offer a 1050 model (10 hp w/hydro). It can easily handle a 38" or 42" deck. A 44" deck will work it a bit in tall grass but if you mow weekly, it won't be a problem. 109's are not as common as the 129 model but they aren't as rare as the 86, 800 or 169 models. Sounds like this 109 you are looking at has been well cared for so go for it.
A 109 has the durable K241 10 hp engine. There is some thought that the 105, 107 and 109 models were a little underpowered with the hydro transmission. When IH introduced the Quietline models, they didn't offer a 1050 model (10 hp w/hydro). It can easily handle a 38" or 42" deck. A 44" deck will work it a bit in tall grass but if you mow weekly, it won't be a problem. 109's are not as common as the 129 model but they aren't as rare as the 86, 800 or 169 models. Sounds like this 109 you are looking at has been well cared for so go for it.