Posted by Sean in PA on October 10, 2012 at 19:00:40 from (71.224.102.32):
In Reply to: 445a vs 4400? posted by Josh in Pa on October 10, 2012 at 18:12:34:
The 4400 was classified as a "Utility" tractor, and it had a heavier duty front axle than the standard 4000, but not as heavy duty as he 4500, which was classified as an "Industrial" tractor. The 445A was classified as an "Industrial" tractor also, like the 4500. Looking at the parts diagram, the 445A front axle is actually the same design as the 4500, which is heavier duty than the 4400 front axle. Unless the 445A has FWD, in which case I don't have any knowledge of that front axle, but it looks pretty beefy. The 445A has a slightly smaller displacement 192 ci engine than the 4000/4400/4500 series, which had the 201 ci engine, and the 445A is listed on tractordata.com as having about 10HP less than the 4000/4400/4500, but I don't think that it would make much difference in capabilities, as the hydraulic pumps on the earlier tractors weren't as capable as the later ones and other than the transmission moving the tractor around, most of the actual work is done by the hydraulic system. I don't have any personal knowledge of the 445A, but it looks to be of the same basic design and capabilities as the 4500, which was more capable and heavier duty than the 4400. I don't recommend abusing it, but if it hasn't been abused previously, and you maintain it properly, the 445A should last you a good long time.
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