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G-MAN
09-05-2002 10:32:36
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Re: 30 AND 40 SERIES FRONT NARROW in reply to JOSE, 09-05-2002 09:31:04
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The 4030, 4230 and 4420 were available with a convertible front axle arrangement, as was the 4040. The 4240, 4440 and 4640 were not. The convertible front axle tractors use a steering motor with a bearing at the top of the motor spindle to take the thrust and load of a narrow front, unlike the normal axle tractors which use a simple bushing. The convertible motors also have a four bolt flange at the bottom of the spindle, for mounting a rollomatic, steering arm or whatever. The regular motors simply have a tapered and splined end for the steering arm to be bolted on. For those that may not be familiar with the newer tractors, the steering motor is the large casting that is contained between the frame rails at the front. On regular tractors, it also has the bosses for mounting the wide front axle. However, since the 4240 and 4440 were small-frame tractors like the 4040, it wouldn't be too difficult to build a narrow front version of a 4240 or 4440. With some work, it could also be done with a 4630. The 4050, 4250 and so on do not show a convertible steering motor listed, so as far as Waterloo tractors go, the 40 series were apparently the last ones available as narrow fronts. It also probably wouldn't be too hard to install an older steering motor in a newer tractor. I've seen a 6030 with a narrow front, but I didn't get to talk to the guy and I'm not sure how he went about doing it. Anything's possible with enough time and money. One of my "dream" tractors would be an open-station 4440 with a rollomatic front. It wouldn't be very practical, but it would sure be an eye-catcher.
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