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#1
07-20-2026, 12:49 PM
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PTO clutch bad?
Hello all first post here hoping to get some help. Mower is a 2007 LT1045 and when engaging the PTO it shuts the engine down. Brake switch has good continuity and it won't start if the pedal isn't engaged. The seat switch also has good continuity and will kill the engine with the brake off and seat up. Clutch continuity is 3.3 and engages with the switch and key on. Deck belt can be moved by hand and I cleaned and lubed before reinstalling. PTO and blades spin with the belt movement. Brake on, seat switch engaged, and 12v to PTO and belt won't move.
When I first got mower the PTO had a good bit of drag when off the mower and turning by hand. I was able to get it apart and clean it up fairly good. It spun better but still feels like it catches while rotating. So after all that is there another switch I'm missing or is the PTO clutch bad? Something else I missed? TIA for help and suggestions. 
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#2
07-20-2026, 01:29 PM
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Have you owned this mower for a while? At what RPM are you engaging the PTO?
__________________
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
07-20-2026, 01:53 PM
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Unfortunately mower is new to me and I finally got it running over the weekend. It's throttled up when trying to engage. If the throttle is pushed to full quickly it will kill the engine. Moving it slowly and it will stay running.
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#4
07-20-2026, 03:10 PM
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Sounds like you may have a fuel starvation issue instead of a PTO problem.
__________________
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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#6
07-20-2026, 03:23 PM
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Trash in the carburetor.
__________________
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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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.
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