| Brand Name | SeaSummer | SKU | 0623-DI-539118768 |
| ID | 1.125" | Pulley | 5.35" |
| Rotation | CCW | Belt | 1/2" or 5/8" Belt |
| Bolt Torque | 150 ft. lbs. | Maximum Engine RPM | 3,600 RPM |
| Voltage Insulation | 1000V | Temperature | Up to 370°F (188°C) |
| Net Weight | 5kg | Carton Dimensions | 68 x 46 x 26 cm |
| MOQ | 100pcs | Customized Services | OEM |
| Delivery Time | 30 days, volume-dependent | Packaging | Cardboard packaging |
Products Description

Lawn Mower Tractor PTO Clutch Dixon AYP- 539118768
This electromagnetic PTO blade clutch serves as practical aftermarket drop‑in replacement built for Dixon zero‑turn mower platforms including Black Bear, Grizzly and Ram series. These mid‑range commercial zero‑turn machines are widely put into service for small‑scale landscaping firms, rental‑yard fleets and residential‑commercial mixed lawn‑care assignments. Operating beneath moderately‑sized cutting decks, repeated blade cycling builds up continuous thermal load, while flying grass clippings and fine soil dust keep striking clutch housing surfaces. Many budget‑level substitute clutches cannot stand up to such mixed thermal‑contaminant operating stress. In real‑world field scenarios, inferior units gradually lose performance: delayed blade spin‑up, slipping torque under moderately thick turf loads, strange humming or grinding bearing noise, plus unexpected blade disengagement amid ongoing mowing tasks.
Designed with a 1.125‑inch shaft bore, counter‑clockwise rotation and a 5.35‑inch pulley compatible with both 1/2‑inch and 5/8‑inch width V‑belts, this aftermarket unit delivers stable 150 ft‑lbs holding torque under maximum 3600‑RPM engine operation. Every critical mounting dimension, bolt‑hole layout and wiring connector geometry matches original OEM specifications. Local repair technicians can finish complete unit swap‑out relying purely on standard hand tools; no hole reaming, surface filing or custom‑made auxiliary spacers are demanded for on‑site fitting. Optimized multi‑lip sealing layout stops lawn debris and humid ambient air from invading inner bearing and friction assemblies. The upgraded cool‑coil construction lowers running temperature during frequent engage‑disengage cycles, slowing thermal aging for long‑term fleet usage.
Each finished clutch assembly goes through factory air‑gap fine calibration, coil high‑voltage dielectric withstand testing and static torque‑holding performance verification prior to packing. This replacement hardware fits single‑unit machine overhaul jobs, local repair‑shop service orders and bulk inventory restock for turf‑parts distributors supporting Dixon‑platform zero‑turn operators across North America.
Applications
| Dixon | 1950-50 |
| Dixon | 2300-60 |
| Dixon | Black Bear series |
| Dixon | Grizzly 50 |
| Dixon | Grizzly 52 2005-2006 |
| Dixon | Grizzly 60 2005-2006 |
| Dixon | Kodiak 50 2005-2006 |
| Dixon | Ram 44 2006 |
| Dixon | Ram 50 2004-2006 |
Replacement Numbers
| AYP | 118768 |
| AYP | 539118768 |
| Dixon | 12035 |
| Dixon | 118768 |
| Dixon | 539118768 |
| Husqvarna | 118768 |
| Husqvarna | 539118768 |
Products Advantages
Why Choose Our Electric PTO Clutch over Generic Replacements?
Our Solution:

Specially Tuned For Dixon Mid‑Range Zero‑Turn Mixed‑Load Mowing Conditions
Dixon Black Bear, Grizzly and Ram‑series zero‑turn machines handle heavy‑usage mixed‑residential‑light‑contract mowing workloads. Its medium‑size deck generates consistent trapped heat while lawn‑site contaminants keep bombarding clutch outer shell. Our improved friction stack maintains steady clamping performance over tens of thousands of power‑on / power‑off events. Multi‑layer sealing structure greatly cuts down contaminant intrusion risk. It acts as a budget‑friendly repair option compared to high‑priced genuine OEM assemblies for service shops maintaining Dixon‑brand rental and customer fleets. Internal mechanical components sustain consistent output despite frequent temperature shifts and ongoing exposure to lawn‑site dirt and grass waste.
Single‑SKU Multi‑Part‑Number Cross‑Reference With Model‑Matching Reminder
This single aftermarket SKU covers multiple cross‑referenced Dixon, AYP and Husqvarna OEM part numbers for matched zero‑turn platforms. Key physical dimensions including 1.125‑inch shaft bore, 5.35‑inch pulley outer size and counter‑clockwise rotation strictly comply with factory engineering drawings. Field‑level replacement installation never calls for custom‑fabricated metal pieces or manually‑installed auxiliary shims. For warehouse inventory staff, stocking this single part satisfies repair orders for multiple Dixon model variants, lowering overall SKU volume and improving stock turnover for neighborhood repair supply outlets. Operators must cross‑check original part marking and machine model to rule out incompatible equipment versions.


Consistent 150‑Ft‑Lbs Torque Output Under Mixed‑Residential‑Light‑Contract Mowing Loads
Actual mixed‑use lawn‑care work brings variable cutting resistance: rank overgrown grass creates momentary torque spikes, while routine weekly property maintenance produces countless repeated PTO activation cycles for each mowing season. Our cool‑coil plus durable friction blend dissipates accumulated thermal stress generated by cyclic medium‑load operation. It holds steady blade rotational velocity, absorbs mechanical shock on every power‑on trigger and delivers buffer‑type protection for deck spindles, 1/2"‑5/8" V‑belts and engine crankshaft to slow fatigue‑driven component degradation. Dependable cutting quality stays intact through multiple‑hour daily light‑contract mowing shifts.
Market‑Aligned Production & Stock Arrangement For Local Turf‑Parts Dealers
Turf‑parts wholesalers and neighborhood repair garages face obvious order‑volume peaks tied to North‑American spring‑summer lawn‑care seasons. We carry out scheduled manufacturing batches and maintain dedicated safety‑stock inventory for this Dixon‑platform clutch SKU. Every finished assembly completes multi‑point functional assessment before packing and shipment. Our supply setup supports large‑volume seasonal bulk buying as well as medium‑size urgent replenishment orders, helping merchants avoid costly out‑of‑stock occurrences within peak repair months.

Quality and Craftsmanship Details


Products Package

About Us
As a premier garden machinery parts supplier, Jiaxing Norsun Trading Co., Ltd. bridges global distributors with over 100 vetted China manufacturers. We streamline your B2B supply chain through strict quality control, flexible production, and factory-direct wholesale pricing. Partner with us for reliable, high-volume sourcing of precision-engineered outdoor power equipment components.
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YOUR PROFESSIONAL ONE-STOP SOURCE
FOR 10000+ OUALITY PARTS
Verified Factory Excellence
BACKED BY 200+ TRUSTED FACTORY PARTNERS
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Customer Reviews

FAQ
Q:Which information should I collect to verify this clutch works for my Dixon zero‑turn mower?
A:This aftermarket mid‑duty replacement cross‑references Dixon 118768 / 12035 / 539118768, AYP 539118768 and Husqvarna 118768. Core technical specs include a 1.125‑inch shaft bore, counter‑clockwise rotation direction and a 5.35‑inch pulley supporting 1/2" or 5/8‑inch V‑belt, rated torque reaching 150 ft‑lbs. Always cross‑check your original clutch part number plus full machine model before submitting purchase orders. Forward your machine specifications and part‑marking information to our technical department for formal fitment review.
Q:What typical field‑operating threats does this cool‑coil clutch alleviate for eligible Dixon‑series zero‑turn units?
A: Compatible Dixon zero‑turn machines execute mixed‑residential‑light‑contract lawn‑care assignments. Medium‑size cutting decks trap consistent heat while lawn‑site dust and grass fragments keep hitting clutch housing during daily operation. Equipped with robust pigtail harness and temperature‑optimized cool‑coil structure, its peak thermal rating reaches up to 375°F (190°C), engineered to withstand repeated cyclic heat accumulation throughout long lawn‑mowing workdays.
Q:What performance evaluations will each finished clutch assembly undergo before shipment?
A:Every single clutch unit completes multi‑faceted quality‑validation: coil‑resistance and dielectric‑strength testing, static 150‑ft‑lbs torque‑holding measurement, dynamic engage‑disengage cycle testing, running‑noise‑inspection and dimensional‑accuracy‑verification. Random‑batch‑samples run extended‑duration mixed‑load debris‑heat aging‑simulation replicating real‑world Dixon‑platform fleet operating scenarios.
Q: What on‑site‑maintenance habits help extend total usable lifespan for this Dixon‑platform mid‑duty clutch?
A: After wrapping‑up each mixed‑load mowing‑shift, apply compressed‑air blowing to sweep accumulated lawn‑dust and grass‑clippings surrounding clutch housing. Periodically inspect robust pigtail wiring harness and plug‑connector for surface abrasion, oil contamination or loose terminal contact. Stay alert for anomalous bearing‑origin‑noise the moment engine starts up. Avoid keeping PTO system operating under prolonged partial‑slip status while cutting thick‑grass patches. Simple regular‑on‑site‑care steps can noticeably extend service life for mid‑duty zero‑turn clutch hardware.
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