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Old 04-24-2010, 07:33 AM
jfinney's Avatar
jfinney jfinney is offline
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Join Date: Mar 2009
Location: PA
Posts: 254
Default 149 hydro issue

I have downloaded and printed the information on hydro problems in the tech section, but had a specific question about my tractor. The hydro functions pretty normally when the throttle is about halfway or less. However, when the throttle is all the way open (cutting grass or blowing snow), the hydro will go full speed in a second! Even if I try to pull the lever back it will go back to full speed. Why is there a difference between WOT and halfway or less? Does it half to do with how much pressure is being generated in the hydro pump and different degrees of engine RPMs? I'd like to take some pictures and try to get this fixed up because this is my grass cutting machine.

Another quick question, with the hydro lever in neutral, should the big spring in the trunion be really loose (I can move it all around)? There are some grooves worn at the end of the trunion slot also. I am a novice welder. I read about using keystock to true up the slot dimensions. Would that be the preferred method for someone of my limited ability. I am sure I couldn't weld up the slot and file it back down without making a huge mess or wrecking something.
Thanks,
Jason
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Cub Cadet is a premium line of outdoor power equipment, established in 1961 as part of International Harvester. During the 1960s, IH initiated an entirely new line of lawn and garden equipment aimed at the owners rural homes with large yards and private gardens. There were a wide variety of Cub Cadet branded and after-market attachments available; including mowers, blades, snow blowers, front loaders, plows, carts, etc. Cub Cadet advertising at that time harped on their thorough testing by "boys - acknowledged by many as the world's worst destructive force!". Cub Cadets became known for their dependability and rugged construction.

MTD Products, Inc. of Cleveland, Ohio purchased the Cub Cadet brand from International Harvester in 1981. Cub Cadet was held as a wholly owned subsidiary for many years following this acquisition, which allowed them to operate independently. Recently, MTD has taken a more aggressive role and integrated Cub Cadet into its other lines of power equipment.

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