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#1
05-10-2023, 07:36 PM
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782D Overheat and cooling issues?
Hello. New to me 782D. Recently fan stopped turning. I can press belt (with stick) and it will engage pullies and begin turning fan. Makes bad bearing noise. Engine temp reached upper limit on gage. Also need to clean screen and radiator.
What is best option for bearings / water pump? Should I replace water pump while there also? Could I just replace bearing? Thank you for your help. 
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#2
05-10-2023, 08:15 PM
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The bearings at the fan can be replaced. There is a parts breakdown on the Cub Cadet parts and service link above.
Is the noise coming from the front of the engine? The water pump is in the rear. If you replace the water pump, get a belt too. What part of Tennessee are you in?
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1572, 1864 x2, 1810 x2, 1863 & GT1554(Dad's Ole Mowers), 1811,782D, 1872 x2, 782DT(Sold), 3235, 1860, 1772 with 3-point and Turbo.
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#3
05-10-2023, 08:19 PM
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Make sure the top radiator hose has the insulation on it. It will overheat if that is missing too. The cooling system on thr D600’# in the 782D and 1572 is at the edge of being good enough to keep the engine cool. Any little thing wrong can make them run hotter. They made the radiator thicker in the next series diesels. That started with the 1772.
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1572, 1864 x2, 1810 x2, 1863 & GT1554(Dad's Ole Mowers), 1811,782D, 1872 x2, 782DT(Sold), 3235, 1860, 1772 with 3-point and Turbo.
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#4
05-10-2023, 11:37 PM
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Easttncub, the fan bearings are replaceable. Here's a pic of one I did.
DSCN0576.jpg There were 2 styles of fan supports. One was made from steel and the other was aluminum. Mine is cast aluminum and it took (2) R12RS bearings like this link but make sure they are double sealed. https://www.ebay.com/itm/30303186345...3ABFBMvu_riYFi You need to check your idler pulley also because they go bad too. I think this is the correct part#. IH-61176-C92 Here are the Gates brand belts for your machine. Fan #6727 Water pump #7320 Here are the filters I use. These are Wix numbers. Air = 46270 Fuel = 33389 Pre Fuel = 33972 Oil = 51064 Hydro = 51410 Good luck and lets see some pics of your tractor.
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This ain't no hobby....it's an addiction
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#5
05-11-2023, 08:58 AM
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IF you need the fan idler pulley, an easy to locate replacement is IH-61176-C92
Replaces 756-3032, which is discontinued.  An easy to locate alternative for the upper hose is one for a Kubota RTV: Part number K7311-85150 I use Armacell 1" hose insulation purchased at Home Depot.
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 582, 682, 782, 782D, 1282, 1050, 1210 x 2, 1711, and 1811
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#6
05-11-2023, 11:10 AM
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782D Overheat and cooling issues? update
Thank you Everyone. Great update on part numbers and steps. Mine is missing the hose insulation.
I believe replacing the bearings and belt will be the answer. I will know more when start the repair. I am located in Jonesborough, TN. Not too many diesels here that I can tell. This unit was purchased new in Gate City, VA by a local Doctor. I purchased from second owner. Faded paint and some maintenance items to take care of but I have been mowing this season.
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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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