Cub Cadet Lawn Tractor PTO Clutch Guide: XT1, XT2, LTX, LT, GT & SLT Models

Cub Cadet lawn tractor PTO clutch fitment can get confusing because XT1, XT2, LT, LTX, SLT, GT, and older residential tractor models do not all route to the same clutch. Deck size, model year, engine package, tractor series, and serial range can all affect the correct replacement path.

This guide helps narrow down the correct aftermarket replacement PTO clutch for select Cub Cadet lawn tractors and related MTD-built platforms. Start with the tractor series and deck family, then use the OEM number, Warner number, and aftermarket cross-reference as confirmation points before ordering.

Find Your Cub Cadet Lawn Tractor PTO Clutch

Table tip: On mobile, swipe sideways to view the full fitment table. On desktop, click and drag the table or use the bottom scrollbar.

Important fitment note: This index is a routing guide, not a universal interchange list. Cub Cadet lawn tractor PTO clutch fitment can change by model year, serial number, deck size, engine package, and machine configuration. If the original clutch part number is missing or unreadable, use the tractor model number, serial number, deck size, and engine package as a starting point, then compare the lead product page details before ordering.

Common Cub Cadet Lawn Tractor PTO Clutch Ordering Mistakes

• Assuming XT1 and XT2 are universal: many XT1 and XT2 models route to the 917-05209 path, but the tractor configuration still needs to match the lead product page.
• Mixing LTX and GT clutch paths: LTX1050, GT1554, SLT1554, and GT2500-series tractors can route to different clutch families even when the deck size sounds similar.
• Overlooking 1" versus 1-1/8" bore paths: many residential Cub Cadet clutches use a 1" crankshaft bore, while select GT paths such as 917-3403 use a 1-1/8" bore.
• Confusing i1042 and RZT 42: the i1042 / ZTT42 917-04526A path should not be treated as a universal replacement for every RZT 42 search.
• Replacing the PTO clutch before checking the deck drive: belt slip, seized idlers, dragging spindle bearings, low voltage, or connector damage can mimic PTO clutch failure.

If your search is based mainly on a stamped part number, use the Cub Cadet 917 / 717 PTO clutch cross-reference guide to route the number to a lead replacement path.

917-05209 PTO Clutch Path for Cub Cadet XT1 and XT2

The 917-05209 PTO Clutch Replacement is a common path for select modern Cub Cadet XT1 and XT2 lawn tractor applications. This is one of the first paths to check for XT1 and XT2 models when the mower uses the 917-05209, 717-05209, or Warner 5219-177 clutch family.

• Replacement for OEM part numbers: 917-05209, 717-05209
• Warner cross-reference: 5219-177
• Aftermarket cross-references: Xtreme X0726, Xtreme X0736, Rotary 16173, Sunbelt B1XT0726, Stens 255-668X
• Common Cub Cadet routing: select XT1-GT50, XT1-GT54 FAB, XT1-LT46 FAB, XT1-LT50, XT1-LT50 FAB, XT1-LT54, XT1-LT54 FAB, XT2-LX46, XT2-LX50, XT2-SLX50, XT2-LX54, and XT2-GX54 FAB applications
• Fitment note: use the XT1 or XT2 model as the starting point, then confirm the product page details and clutch path before ordering.

917-04552A PTO Clutch Path for Cub Cadet LTX Models

The 917-04552A PTO Clutch Replacement is commonly associated with select Cub Cadet LTX1050, LTX1046, LTX1045, and LTX1042 applications, along with certain RZT crossover models. For this lawn tractor guide, the main reason to check this path is the LTX series.

• Replacement for OEM part numbers: 917-04552A, 717-04552A, 917-04552, 717-04552
• Warner cross-reference: 5219-98
• Aftermarket cross-references: Xtreme X0390, Stens 255-839X, Rotary 14229, Sunbelt B1XT0390
• Common Cub Cadet routing: select LTX1050, LTX1046, LTX1045, and LTX1042 applications, especially 2009-2011 model-year paths where the original clutch number matches
• Fitment note: do not assume every LTX model uses this clutch. Compare model year, deck, engine package, and the lead product page before ordering.

917-05001 PTO Clutch Path for GT, GTX, LGT, SLT and SLTX Models

The 917-05001 PTO Clutch Replacement is a heavy-duty lawn tractor path for select Cub Cadet GT, GTX, LGT, LGTX, SLT, and SLTX applications. This family is commonly searched by the 917-05001, 717-05001, 917-1774C, and Warner 5219-25 numbers.

• Replacement for OEM part numbers: 917-05001, 717-05001, 917-1774C, 717-1774C, 917-1774B, 717-1774B, 917-1774, 717-1774
• Warner cross-reference: 5219-25
• Aftermarket cross-references: Xtreme X0065, Stens 255-297X, Oregon 33-104, Prime Line 7-06298, Rotary 12424, Sunbelt B1XT0065
• Common Cub Cadet routing: select GT1054, GT1554, GTX1054, GTX1554, LGT1050, LGT1054, LGTX1050, LGTX1054, SLT1550, SLT1554, SLTX1050, SLTX1054, SLTX1550, and SLTX1554 applications
• Fitment note: this path is common on larger 50" and 54" tractor applications, but the model still needs to match the correct clutch path.

917-04080 PTO Clutch Path for LT-Series Cub Cadet Tractors

The 917-04080 PTO Clutch Replacement is a common residential tractor path for select Cub Cadet LT-series models and related MTD-built platforms.

• Replacement for OEM part numbers: 917-04080, 717-04080
• Warner cross-reference: 5215-142
• Aftermarket cross-references: Oregon 33-126-1, Stens 255-475
• Common Cub Cadet routing: select GT-1222, LT-1022, LT-1024, LT-1042, LT-1045, LT-1046, and LT-1050 applications
• Fitment note: this path is useful for older LT-series searches, but confirm the tractor configuration and clutch number before ordering.

917-04174 PTO Clutch Path for LT, LTX, SLT and MTD-Built Platforms

The 917-04174 PTO Clutch Replacement is a broad MTD-built residential mower path that can appear in Cub Cadet LT, LTX, SLT, and ZTT searches. Because this path crosses multiple MTD-built brands, use the part-number trail and product page details carefully.

• Replacement for OEM part numbers: 917-04174, 717-04174, 717-04174A, 746-04174A, 946-04174A
• Common Cub Cadet routing: select LT, LTX, SLT, and ZTT series models using the 917-04174 / 717-04174 path
• Common platform routing: select MTD-built 42" to 54" residential tractors and riding mower platforms
• Fitment note: do not use this as a generic LT or LTX replacement unless your mower routes to the 917-04174 family.

917-3403 PTO Clutch Path for GT2500 and 1-1/8" Bore Tractor Applications

The 917-3403 PTO Clutch Replacement is an important Cub Cadet GT-series path because it uses a 1-1/8" bore on supported applications. This makes it different from many residential Cub Cadet clutch paths that use a 1" bore.

• Replacement for OEM part numbers: 917-3403, 717-3403, 917-04180, 717-04180, 717-3403P
• Warner cross-references: 5219-52, 5218-6
• Aftermarket cross-references: Xtreme X0365, Xtreme X0365-K, Rotary 12899, Stens 255-817X
• Common Cub Cadet routing: select GT2500, GT2544, GT2550, GT2554, and LT2042 applications
• Fitment note: confirm the 1-1/8" bore path before ordering. Do not substitute a 1" bore clutch into this family.

917-04526A Crossover Note for i1042 and ZTT42

The 917-04526A PTO Clutch Replacement is included here because i1042 and ZTT42 searches often overlap with Cub Cadet residential tractor searches. This path is tied to select 2010 and older 42" deck i1042 and ZTT42 applications.

• Replacement for OEM part numbers: 917-04526A, 717-04526A, 917-04526, 717-04526
• Warner cross-reference: 5219-94
• Aftermarket cross-reference: Xtreme X0387
• Common Cub Cadet routing: select i1042 and ZTT42 42" deck applications from 2010 and older
• Fitment note: use this path for compatible i1042 and ZTT42 applications, not as a blanket substitute for RZT 42 or other 42" Cub Cadet models.

Older Cub Cadet Tractor Paths: 917-3385B and 917-3389

Older Cub Cadet tractors can route through legacy clutch families that should be kept separate from modern XT1, XT2, LTX, and GT paths.

• 917-3385B PTO Clutch Replacement routes to select 2130, 2135, 2140, 2145, 2146, 2150, 2155, 2166, GT-2000, GT-2542, and LT-2138 applications using the 917-3385B / 717-3385 family.
• 917-3389 PTO Clutch Replacement routes to select 1440, 1641, 1782, 2160, 2165, 2182, and related Cub Cadet / MTD applications using the 917-3389 / 717-3389 family.

Legacy fitment note: older tractors are more likely to have replaced engines, changed deck setups, worn labels, or previous part substitutions. Use the model and part number together whenever possible.

Common Cub Cadet Lawn Tractor PTO Clutch Symptoms

A Cub Cadet lawn tractor PTO clutch problem can feel like an electrical issue, a weak battery, a bad belt, or a deck-drive problem. Check the full blade engagement system before replacing parts.

• Blades will not engage when the PTO switch is pulled
• PTO clutch clicks but the deck belt does not move
• Blades engage, then slow down in heavy grass
• PTO works cold but quits after 10 to 30 minutes
• Burning smell or excess heat near the clutch area
• Blown fuse, melted plug, loose connector, bad ground, or intermittent PTO engagement

If the blades will not engage at all, start with the PTO clutch won’t engage troubleshooting guide. If the clutch clicks but the deck does not spin, use the PTO clutch clicks but blades won’t spin guide. If the issue points toward the PTO switch, fuse, connector, relay, safety circuit, or ground, review the PTO clutch wiring, fuse and switch testing guide.

An old or worn PTO clutch coil can work when cold, then weaken after the mower heats up. This can cause weak engagement, intermittent operation, slipping under load, or blades slowing down after 10 to 30 minutes.

Before Installing a Cub Cadet Lawn Tractor PTO Clutch

Before installing the replacement PTO clutch, compare the new clutch to the old clutch and inspect the tractor for problems that could damage the replacement.

• Confirm tractor model, serial number, deck size, and engine package
• Confirm the OEM, Warner, or aftermarket number when available
• Compare crankshaft bore: common paths include 1" and 1-1/8"
• Compare pulley family, rotation, connector, and anti-rotation setup
• Inspect the deck belt for glazing, cracking, stretching, oil contamination, or incorrect routing
• Spin idlers and spindle pulleys by hand to check for bearing drag or noise
• Inspect the PTO wiring connector for corrosion, heat damage, loose terminals, or poor ground

Review the PTO clutch installation guide before mounting the replacement. If the old clutch is rusted, stuck on the crankshaft, binding on the keyway, or will not slide off by hand, do not hammer or pry against the engine. Use the PTO clutch stuck on crankshaft guide before forcing removal.

Need Help Confirming Fitment?

If you are not sure which Cub Cadet lawn tractor PTO clutch you need, email support@ptodirectusa.com with your tractor model number, serial number, deck size, engine package, and clear photos of the old clutch. For best fitment help, include photos of the clutch label or stamped number, wiring connector, pulley, anti-rotation setup, crankshaft area, and mower identification tag.

PTO Direct USA supplies aftermarket replacement PTO clutches for select Cub Cadet, MTD-built, Troy-Bilt, Craftsman, Yard Machines, Yard-Man, White Outdoor, and related residential mower applications. These products are replacement parts for matching OEM part numbers. Confirm fitment before ordering.

FAQ

What PTO clutch fits a Cub Cadet XT1?

Select Cub Cadet XT1 applications route to the 917-05209 replacement path, including several XT1-GT, XT1-LT, and XT1 FAB deck configurations. Confirm the tractor model, deck size, serial range, and lead product page details before ordering.

What PTO clutch fits a Cub Cadet XT2?

Select Cub Cadet XT2 applications route to the 917-05209 replacement path, including several XT2-LX, XT2-SLX, and XT2-GX configurations. Use the model and deck as the starting point, then confirm the product page details.

What PTO clutch fits a Cub Cadet LTX1050?

Select Cub Cadet LTX1050 applications route to the 917-04552A path. Fitment can vary by model year, deck, and machine configuration, so confirm the 917-04552A / 717-04552A / Warner 5219-98 path before ordering.

What PTO clutch fits a Cub Cadet GT1554?

Select Cub Cadet GT1554 applications route to the 917-05001 replacement path. This family also includes 717-05001, 917-1774C, 717-1774C, and Warner 5219-25 on supported applications.

What PTO clutch fits a Cub Cadet LT1042?

Select Cub Cadet LT1042 applications may route to the 917-04080 path, while some related LTX or MTD-built configurations may route differently. Confirm model year, deck size, original clutch path, and lead product page details before ordering.

Are 917 and 717 Cub Cadet PTO clutch numbers the same?

Many Cub Cadet / MTD PTO clutch families appear in both 917 and 717 number formats. For example, 917-05209 and 717-05209 route to the same replacement path. Keep revision letters such as A or B attached when comparing numbers.

What is the difference between a 1" and 1-1/8" PTO clutch bore?

The bore must match the engine crankshaft. Many Cub Cadet residential tractor clutch paths use a 1" bore, while select GT paths such as 917-3403 use a 1-1/8" bore. Do not substitute one bore size for the other.

Can a bad belt make my Cub Cadet PTO clutch seem weak?

Yes. A glazed, stretched, oil-soaked, misrouted, or loose belt can slip and make the PTO clutch look weak. Dragging idlers or spindle bearings can also overload the clutch and cause poor blade engagement.

Why does my Cub Cadet PTO clutch work cold but quit hot?

A worn clutch coil, low voltage, weak ground, hot connector, slipping belt, or dragging deck component can cause the clutch to work cold and then weaken after 10 to 30 minutes of mowing. Check the electrical system and deck drive before replacing parts.

Can PTO Direct USA help identify my Cub Cadet lawn tractor PTO clutch?

Yes. Email support@ptodirectusa.com with your tractor model number, serial number, deck size, engine package, and clear photos of the old clutch, connector, pulley, anti-rotation setup, crankshaft area, and mower ID tag.