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  #1  
Old 12-16-2010, 03:49 PM
JRClift JRClift is offline
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Join Date: Dec 2010
Location: IL
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Default 1250 Hydro help needed

I have a 1250 that I need for snow removal, but I am having problems and need your expert advice. The 1250 is mounted with a IH snow thrower, and wheel weights to clear my dads drive. I am having trouble with the hydro bogging down. It did this last year with the deck, also. the 1250 runs great, revs fine in nuetral, and runs the thrower fine in neutral. The problem is when I engage the hydro in forward. The tractor runs and moves fine at low speed, but when I increase speed it seems to load down the engine and bog down, like there is hydraulic dead heading somewhere, but only in forward and only when I try to increase speed above idle speed. It does this with or without implements mounted so they are not the problem. Engine is NOT a problem, and runs fine. Tractor has new fluid and filter, drive was clean with no signs of water or dirt, carb is rebuilt, new air filter, tune up and fuel. I bought this tractor in non running condition, got it going, no smoke or noises, etc. Hydro linkage is adjusted fine with neutral in center.
Any ideas? I saw in the archives that someone else had this problem, but no solution was ever posted.

Thanks in advance,

JR
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  #2  
Old 12-16-2010, 04:27 PM
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ol'George ol'George is offline
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Location: MI
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Off the top of my head, I'd go 1/2 to 1 turn richer on the main jet (CCW) and see if it changes anything.
sounds like you are loosing engine power and ain't nothing easier to try.
report back.
Luck!
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  #3  
Old 12-16-2010, 06:32 PM
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Matt G. Matt G. is offline
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Location: Wichita, KS
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Next after that I'd check the timing...that will cause a lack of power, too.
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  #4  
Old 12-16-2010, 07:11 PM
JRClift JRClift is offline
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Again, it seems to be a hydraulic problem, not an engine problem, but I do appreciate the ideas. Anyone else?
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Cub Cadet Model 100,( owned this one for over 25 years.:biggrin2.gif:, 2 Model 1250's, A/C B112, and 1939 A/C Model B.( My serious snow removal machine.)
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  #5  
Old 12-16-2010, 08:06 PM
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Matt G. Matt G. is offline
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Why would you assume the engine is not the problem? These transmissions are bulletproof, and honestly, there is really nothing that would cause it to bog the engine down, unless something isn't right with the engine. Both of the things that have been suggested will take you just a few minutes to check...
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  #6  
Old 12-16-2010, 08:30 PM
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_DX3_ _DX3_ is offline
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These guys do know what they are talking about .

How to set your timing correctly:
http://mgonitzke.net16.net/tools/static_timing.pdf
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DWayne

1973: 128, ag tires, 3pt. lift, spring assist, lights, 42" Deck

10" moldboard plow

2016 XT1 42" deck 18HP
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  #7  
Old 12-18-2010, 11:57 PM
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young enthusiest young enthusiest is offline
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Just a shot in the dark, your brakes working correctly?
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Tyler Chiliak. Southeast Alberta Canada.
My dad and I own, 1650, , 1450, 1250, 1250, 1200, 982, 782, 149, 149, 149, 128, 128, 123, 100, 100. Also a 1310, 1500, and 2 1600 IHC trucks.
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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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