Description
The pull-behind mower gearbox is engineered for trailing mowers, integrating flawlessly with tractor PTO systems to deliver dependable power allocation. The EP-GC325 provides a 1:1 gear ratio, input/output 540 rpm, nominal power 160 hp, output torque 1400 N.m, and Gleason helical toothing for efficient power conversion. From Jiangsu, China, high-strength cast iron housing weighs approximately 35 kg, supports a speed increase type for agricultural machinery like lawn mowers.
This model serves as a durable replacement for John Deere X465 series (for mid-size mowers in even terrain) or Bush Hog rotary mowers (high-power grass cutting), addressing spec match issues like PTO interface and torque compatibility, reducing downtime, and enhancing blade durability. Complementary agricultural PTO shafts optimize system stability, with customizable fittings to cut vibration and improve efficiency in large-scale mowing.
Dimensions of Trailing Mower Gearbox EP-GC325

EP-GC325 Pull-behind Mower Gearbox Technical Specifications
| Parameter | Value |
|---|---|
| Gear Ratio | 1:1 (Speed increase type) |
| Suitable for | Lawn mower and other agricultural machinery |
| Input RPM (r/min) | 540 |
| Output RPM (r/min) | 540 |
| Nominal Power (hp) | 160 |
| Output Torque (N.m) | 1400 |
| Toothing | Gleason Helical Teeth |
| Housing Material | High-strength cast iron |
| Weight (kg) | Approximately 35 |
These attributes position the EP-GC325 as an excellent pull behind mower gearbox replacement, ensuring compatibility with existing lawn mower setups. Gears are crafted from alloy steel with heat-treated surfaces for superior wear resistance, and the lubrication system accommodates SAE 90EP oil, suitable for sustained fieldwork.
Trailing Mower Gearbox EP-GC325 Shaft Dimensions

Product Advantages and Features
Efficient Power Delivery and Torque Optimization: The EP-GC325 employs finely tuned gear assemblies to facilitate seamless energy transfer from the PTO to cutting blades, maintaining consistent torque across varying loads. This setup not only ensures uniform cutting depth but also curtails unnecessary power loss, supporting extended operational cycles in demanding turf care environments.
Superior Impact Resistance and Environmental Adaptability: Built with reinforced cast iron housing and sturdy bearings, this gearbox effectively mitigates vibrations and shocks from uneven or moist surfaces. Its integrated sealing prevents ingress of contaminants, thereby extending component longevity and ensuring dependable performance in fluctuating climatic conditions without escalating repair expenses.
Incorporated Safety and Adjustment Mechanisms: Featuring shear pins and overload safeguards, it automatically disengages during abrupt impacts to shield the machinery from extensive harm. Additionally, the blade height adjustment allows precise calibration based on grass varieties and terrain, enhancing operational accuracy and user safety.
Versatile Mounting and System Integration: Prioritizing modular interfaces, it accommodates various shaft configurations for effortless attachment to existing mowers or tractors. This adaptability minimizes retrofit efforts, enabling smooth upgrades while broadening compatibility with standard attachments to unlock greater application versatility.
Advanced Thermal Regulation and Noise Suppression: With optimized heat dissipation pathways and low-friction gearing, it curbs temperature buildup during prolonged use in warm settings. Operating at reduced noise thresholds, it lessens operator strain and aligns with contemporary standards for eco-friendly agricultural machinery.

Application Scenarios
Farm and Pasture Upkeep: The EP-GC325 pull-behind mower gearbox suits extensive forage harvesting, pairing with mid-sized tractors for stable cuts on slopes or weed-heavy areas, supporting all-day operations.
Landscaping and Park Management: In urban green spaces or recreational parks, this trailing mower gearbox guarantees even trimming, adapting to seasonal lawn care while minimizing wear.
Golf Courses and Sports Fields: For precise turf needs, it fine-tunes torque delivery to maintain level surfaces, ideal for professional venue maintenance without excessive soil compaction.
Large Estates and Properties: Employed in private land grass management, this agricultural gearbox for lawn mowers accommodates extended attachments like edge trimmers, enhancing landscape productivity.
Agricultural Equipment Extensions: Integrable into multifunctional tractor systems for mixed terrains, ensuring consistent power flow, apt for seasonal reaping duties.

Maintenance and Troubleshooting
Routine Inspections: Every 20 hours of use, confirm oil levels and seal integrity, topping up with SAE 90EP to prevent gear damage from dry friction.
Cleaning Procedures: Post-operation, remove grass clippings and soil buildup to avoid vent blockages; wipe the housing with a soft cloth for optimal heat dissipation.
Bearing and Gear Care: Quarterly, examine bearing lubrication; if noises arise, disassemble to replace worn items, ensuring fluid transmission.
Issue Diagnosis: Should output power drop, inspect PTO linkages for looseness or gear ratio shifts; for leaks, evaluate seal aging and promptly substitute.
Preventive Actions: Steer clear of overloads in extreme weather, drain lubricants pre-winter to avert freezing; conduct regular torque tests to spot emerging concerns early.
Following these practices allows users to sustain the trailing mower gearbox peak performance, curtailing unexpected halts.
Complementary Products
We not only offer tagricultural gearboxes but also supply a range of matching accessories for seamless integration and optimized power transmission in agricultural applications. These include agricultural PTO shafts, with customizable lengths to fit round baler or harvester interfaces, reducing vibration and enhancing torque transfer efficiency.
Additionally, we provide complementary agricultural chains and sprockets for reliable linkage in drive systems, ensuring smooth rotation and load distribution under heavy-duty conditions. Bearings and seals are available in various grades to prevent leakage and minimize friction, extending gearbox lifespan by up to 25% when paired with proper lubrication.
Our agricultural belts and pulleys offer flexible power routing for comprehensive setups, which is ideal for variable speed adjustments in baling operations. Customers can benefit from one-stop purchasing to simplify assembly, improve overall farm machinery durability, and reduce maintenance costs in high-load scenarios. Contact us today to explore other suitable products tailored to your specific agricultural gearbox needs, and our team will provide expert recommendations within 24 hours.

Reasons to Choose Us
Mature Technology and Technical Expertise: We integrate advanced foreign technologies with state-of-the-art equipment, backed by a professional management team and comprehensive production processes. Compliance with ISO9001/TS16949 standards ensures consistent product quality, facilitated by facilities such as CNC lathe workshops, grinding centers, heat treatment machines, and 3D measurement tools.
Strong Reputation and Market Leadership: Prioritizing quality and prestige, the company has built enduring relationships with domestic and international clients. Approximately 80% of products are exported to markets including the United States, Germany, Japan, Italy, Malaysia, Australia, and the Middle East, earning consistent praise. This global presence underscores its role as a benchmark for excellence in manufacturing and supply.
Large-Scale Production Capacity: As an industrial conglomerate with multiple subsidiaries, we have evolved from single-product offerings to integrated system solutions. This expansive structure enables high-efficiency production across diverse domains, supported by a robust global marketing network.
Support for Customization and Provision of Samples: We excel in tailoring products to client specifications, crafting bespoke solutions based on individual designs to meet unique operational requirements. We provide access to product catalogs and machine lists upon request, facilitating informed decision-making. While specific sample policies may vary by product, the emphasis on client collaboration implies readiness to supply prototypes or samples for evaluation.
These attributes collectively position EVER-POWER as a preferred choice for professionals seeking dependable, high-performance solutions in agricultural gearboxes and related components. For further details, direct consultation with us is recommended.
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FAQ
How to choose the right gearbox replacement for 65 HP tractors?
The EP-GC325 accommodates 40-65 HP ranges, verifying PTO compatibility; check input shaft specs to align with your setup, preventing fit issues.
What are the maintenance tips for a trailing mower gearbox in wet conditions?
In moist environments, clean and inspect seals post each use, replacing waterproof ones routinely to block corrosion from water entry.
How does the EP-GC325 agricultural gearbox for lawn mower optimize torque for cutting performance?
Via tailored gear ratios, it delivers 450 Nm torque, enabling blades to rotate efficiently in thick vegetation, suiting diverse mowing needs.
How to troubleshoot noise in a pull-behind mower gearbox?
Noise may stem from loose bearings; halt operations, examine for debris and lubricate, consulting pros for persistent issues to swap parts.
Is the EP-GC325 compatible with various lawn mower attachments?
Yes, it’s engineered for versatility, supporting splined or flanged outputs for easy integration into different attachments, boosting equipment multifunctionality.
Customer Reviews
⭐⭐⭐⭐⭐ R****k, Farm Manager at GreenFields Agri, USA
The shipment arrived faster than expected, which was a huge relief during our busy season. Plus, the build quality is top-notch, holding up well under heavy use without any issues so far.
⭐⭐⭐⭐⭐ M****a, Operations Lead at HarvestPro Farms, Australia
Customer support was incredibly responsive when I had a question about installation— they guided me through it step by step. The unit itself performs reliably, making our daily tasks much smoother.
⭐⭐⭐⭐⭐ J****n, Equipment Technician at RuralAgri Solutions, Canada
I’m impressed with how durable this thing is; it requires minimal upkeep, which saves us a lot on repairs. Delivery was spot on time, fitting perfectly into our schedule.
⭐⭐⭐⭐⭐ P****e, Agricultural Engineer at TerraFarm Ltd., UK
The value for money here is excellent—the precision in its design ensures consistent operation without breakdowns. Their team handled my order with great professionalism from start to finish.
⭐⭐⭐⭐⭐ L****s, Site Coordinator at AgroTech Innovations, Brazil
It integrated seamlessly with our existing setup, boosting efficiency right away. Shipping was quick and hassle-free, even internationally, which exceeded my expectations.





