If you already know your part number, browse all available options in our Gravely PTO clutch collection to find a direct replacement.
Gravely zero-turn, stand-on, walk-behind, and lawn tractor platforms rely on electric PTO clutches to engage the mower deck and drive the blades. When the clutch starts slipping, overheating, or failing to engage, cutting performance drops fast. This guide covers common Gravely PTO clutch applications and helps you identify the correct replacement by part number and mower platform.
Gravely ZT, ZT HD, ZT XL, ZTX, Pro-Turn, Pro-Stance, and Pro-Walk PTO Clutch Applications
Gravely electric PTO clutches are used across several mower families including residential ZT, ZT HD, ZT XL, and ZTX models, along with commercial Pro-Turn, Pro-Stance, Pro-Walk, Compact-Pro, and PM Series machines. These electromagnetic clutches mount to the engine crankshaft and engage the mower deck belt when the PTO switch is activated.
If the clutch begins slipping, making noise, or fails to engage the blades, replacement is usually the most reliable fix. Common Gravely PTO clutch replacement part numbers include 4678300, 52711900, 09266700, 126-8925, 59118600, and 03789900.
The most accurate way to confirm fitment is to match the OEM part number stamped on your original clutch. That helps ensure the correct pulley diameter, crankshaft bore, and engagement characteristics for your specific Gravely mower.
What Are the Signs of a Failing Gravely PTO Clutch?
A failing electric PTO clutch usually shows warning signs before complete failure. If your mower blades fail to engage, disengage inconsistently, or stop under load, the clutch is one of the first components to inspect.
- Blades will not engage when the PTO switch is turned on
- Intermittent engagement or inconsistent blade operation
- Burning smell or excessive heat near the clutch assembly
- Squealing or grinding noises caused by worn bearings
- Blades stop under load in taller or thicker grass
- Blown fuse or electrical issues caused by coil failure
If these symptoms appear, replacing the PTO clutch assembly will usually restore proper blade engagement and dependable mowing performance.
Popular Gravely PTO Clutch Replacements
The following PTO clutch part numbers are commonly used across Gravely mower platforms. Select your part number below to view detailed fitment and replacement options:
- 4678300 PTO Clutch for Gravely ZT XL and ZTX models. Ideal for residential and light commercial zero-turn applications using a 7.00-inch pulley and 1-inch bore.
- 52711900 PTO Clutch for select Gravely compact zero-turn and rear-engine rider applications. No-pulley design replacing 52712000 and 02763200 configurations.
- 09266700 PTO Clutch for Gravely PM Series and related platforms. Also replaces 09232700, 00389900, and 09208000.
- 126-8925 PTO Clutch for Gravely ZT HD and Pro-Turn Z series mowers. Common heavy-duty setup with 7.20-inch pulley and 1-inch bore.
- 59118600 PTO Clutch for Gravely Pro-Turn ZX models. Built for high torque applications with 1-1/8 inch crankshaft compatibility.
- 03789900 PTO Clutch for Gravely Compact-Pro, Pro-Master, Pro-Stance, and Pro-Walk units. Strong commercial replacement for consistent engagement.
- B1XT0720 PTO Clutch for older Gravely lawn tractor platforms. Replaces 63124700, 53114100, and related configurations.
Some Gravely models share clutch specifications with Ariens platforms, especially across ZT and commercial crossover units. Always confirm using the OEM number on your original clutch.
How to Find the Right Gravely PTO Clutch Replacement
Start by locating the part number stamped on your original clutch. This is the fastest way to ensure correct fitment. Once identified, compare against the product links above or browse the full Gravely PTO clutch collection.
If your mower is part of the ZT XL or ZTX family, start with the 4678300 PTO clutch. For ZT HD and Pro-Turn Z models, check the 126-8925 PTO clutch. For Pro-Turn ZX applications, review the 59118600 PTO clutch. For Pro-Stance, Pro-Walk, and Compact-Pro, verify fitment with the 03789900 PTO clutch.
For older or less common Gravely models, cross-check against 52711900, 09266700, or B1XT0720 depending on original configuration.
Find the Right Gravely PTO Clutch Replacement
The most accurate way to select the correct replacement is by matching the OEM number on your original clutch. You can also browse the complete Gravely PTO clutch collection to compare specifications and available options.
PTO Direct USA supplies OEM-spec electric PTO clutch replacements for Gravely, Ariens, Toro, Exmark, Scag, and more. View the full PTO clutch catalog to find the correct replacement for your mower.