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The L-55 agricultural gearbox is crafted to meet rigorous standards for power transmission in farming equipment, incorporating variable gear ratios that allow for adaptable speed adjustments in diverse operational scenarios. Derived from established engineering principles, this unit offers ratios of 1:1.6, 1:1.93, and 1:1.83, enabling precise matching to engine outputs for optimal torque delivery. Tooth configurations include 24/15, 27/14, and 34/12, designed to handle shear forces effectively while minimizing backlash in high-load applications. The module sizes of 6.0, 5.64, and 4.5 ensure compatibility with standard spline interfaces, facilitating seamless integration into existing drivelines. Rated for 60 horsepower, it supports demanding tasks such as tilling heavy soils or powering implements in Thailand’s varied agricultural landscapes, where rice paddies and orchards require robust yet efficient machinery. The input operates at 540 rpm, a common PTO speed that aligns with most tractor outputs, ensuring consistent performance without excessive wear. Input and output descriptions feature a 1 3/8 Z6 taper spline, which provides secure locking and easy disconnection for maintenance. Weighing 29kg, the gearbox strikes a balance between durability and portability, making it suitable for field repairs in remote Thai farms. Housing materials typically involve cast iron for vibration damping, with internal gears hardened to withstand abrasive conditions from dust and debris. Seals are engineered to prevent lubricant leakage, maintaining internal pressures under varying temperatures. In practical terms, these specifications address common issues like power loss in uneven terrain by offering ratio flexibility, reducing fuel consumption through efficient gearing. For technicians in Thailand, verifying these parameters against equipment manuals ensures proper fitment, avoiding mismatches that lead to downtime. Overall, this detailed spec set equips users to evaluate suitability for specific implements, enhancing decision-making in procurement and upkeep.
| PRODUCT PARAMETERS | L-55 |
|---|---|
| غرض | L-55 |
| نسبة | 1:1.6 / 1:1.93 / 1:2.83 |
| أسنان | 24/15 / 27/14 / 34/12 |
| وحدة | 6.0 / 5.64 / 4.5 |
| القدرة (حصان) | 60 |
| المدخلات المقدرة | 540 دورة في الدقيقة |
| وصف المدخلات/المخرجات | 1 3/8 Z6 Taper spline |
| الوزن الصافي | 29Kg |
Overview of the L-55 Gearbox
This gearbox acts as a critical intermediary in agricultural power systems, converting tractor PTO output into usable speeds for implements like rotary tillers or mowers. It addresses practical challenges such as mismatched rotational speeds that cause inefficiency or equipment strain in daily farming operations. By stepping down or up ratios, it ensures attachments operate at ideal velocities, enhancing soil penetration in compacted fields or cutting precision in overgrown areas. In Thailand’s tropical agriculture, where monsoons create slippery conditions, the L-55 maintains consistent torque delivery, preventing slippage that could damage crops. Its tapered spline interface simplifies connections, reducing setup time for busy farmers switching between tasks. Technically, the multi-ratio options allow customization for load types, from light harrowing to heavy plowing, optimizing engine performance and fuel use. Users often face issues with overheating in prolonged use; the design incorporates ventilation to dissipate heat effectively. For maintenance, accessible fill ports enable quick lubricant checks, crucial in dusty environments. This unit not only extends implement lifespan by absorbing shocks but also boosts overall productivity, allowing longer work hours without breakdowns. In regions like central Thailand’s rice belts, it solves traction losses by providing stable power flow, ultimately supporting higher yields through reliable machinery function.
Enhancing Equipment Performance
Integrating this gearbox improves driveline efficiency, tackling problems like vibration-induced fatigue in long-duration tasks. Variable teeth setups reduce gear mesh noise, creating quieter operations that lessen operator stress. In Thai orchards, where precision is key, it enables fine speed control for sprayers, minimizing chemical waste. The 60HP rating handles peak loads without stalling, solving underpower issues in hilly terrains. Lubrication systems use high-viscosity oils to protect against contaminants, extending intervals between services. Diagnostics involve monitoring output rpm to detect wear early, preventing costly failures. This approach saves resources in remote areas with limited access to parts.
Essential Components and Complementary Items
Internal Assembly Details
Core elements include helical gears for smooth engagement, bearings to support shafts, and seals to retain lubricants. Related products encompass PTO shafts, which transmit initial power; these feature telescopic designs for length adjustment, shear bolts for overload protection, and yokes for secure attachment. Universal joints in PTO shafts allow angular flexibility, essential for uneven ground. Safety guards prevent entanglement, complying with standards. In maintenance, pair with chain drives or belts for auxiliary systems.
System Integration Options
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“Robust designs for sustained field performance.”
Addressing Operational Challenges
Overheating often arises from low lubricant; refill with specified grades and inspect seals. Noise indicates misalignment; realign shafts and check bearings. Power drops signal worn teeth; replace gears promptly. In humid Thai climates, corrosion affects splines; apply protectants regularly. Routine checks include torque verification to prevent loosening.
Key Diagnostic Tips
- Monitor temperature during use.
- Listen for irregular sounds.
- Inspect for leaks weekly.
- Test ratios under load.
Effective Maintenance Approaches
Seasonal fluid changes combat contamination. Clean exteriors to avoid debris ingress. Store in dry areas to prevent rust. Use torque tools for assembly. Train staff on proper engagement to avoid shocks.
Compliance with Thai Regulations
Agricultural gear must adhere to TISI for durability. Imports face 5-10% tariffs, 7% VAT. Environment rules mandate recyclable materials. Subsidies available via agriculture ministry for compliant items. Proper labeling ensures smooth customs.
Distinct Benefits of the L-55
Versatile ratios adapt to tasks. Durable build resists wear. Efficient power use cuts costs. Easy interfaces speed setups. Lightweight aids handling.
Installation Procedures
Align splines carefully. Secure with bolts at recommended torque. Fill with lubricant. Test under no-load first. Adjust for backlash.
التعليمات
Compatible implements?
Suits tillers, mowers; match ratios to needs.
Overheating fixes?
Check levels, vents; use synthetics.
Tools for install?
Wrenches, gauges; follow manuals.
Warranty terms?
One year; covers defects.
Lubricant type?
80W-90; change seasonally.
Noise causes?
Wear, misalignment; inspect gears.
DIY feasible?
With skills; pros recommended.
Humidity effects?
Seals protect; store covered.
Maintenance schedule?
Every 500 hours; visual checks monthly.
Shipping in Thailand?
3-5 days; local pickup available.
PRR TRACTOR PART LIMITED PARTNERSHIP · Email: [email protected] · Address: 304/1170 Soi Phahonyothin 49/1, Intersection 6, Talat Bang Khen Subdistrict, Lak Si District
