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Gruppo differenziale per cambio ordinario imbottito EP-All-in-one

The All-in-one Padded Ordinary Gearbox Differential Assembly integrates gearbox and differential functions into a single compact, robust unit engineered for superior power transmission and noise reduction in electric vehicle applications.

Designed with advanced padding technology, this differential assembly delivers ultra-quiet operation, exceptional waterproofing, high-temperature resistance, and extended service life while supporting rated power from 350W to 1200W across 48V, 60V, and 72V configurations.

The EP All-in-one Padded Ordinary Gearbox Differential Assembly is designed specifically for electric tricycles and light commercial vehicles. It features a fully enclosed waterproof structure with an IP65 protection rating, effectively resisting dust, moisture, and high-temperature environments. The built-in high-precision gear set supports gear ratios of 1:8 or 1:10, is compatible with 350W–1000W motors, and handles a maximum input torque of 25 N·m. It accommodates rear axle installation widths of 800–1300 mm, with optional 16 or 18 semi-axle teeth.

Descrizione

1. Specifiche tecniche

Parametro Specifiche
Material (Housing) High-Strength Aluminum Alloy Die-Cast
Materiale degli ingranaggi Precision Heat-Treated Alloy Steel
Speed Ratio 1:8 / 1:10
Maximum Torque Input 30 Nm
Rated Power Range 350W – 1200W
Rated Voltage Options 48V / 60V / 72V
Rear Axle Fitment 1000 – 1300 mm
Matching Half-Shaft Teeth 16/18
Temperature Range -40°C to +120°C
Noise Level ≤ 65 dB (Ultra-Quiet)
Valutazione di protezione IP65 Waterproof
Tipo di cuscinetto High-Precision Sealed Ball Bearings
Lubrication High-Performance Synthetic Grease (Maintenance-Free)
Weight (Net) Approximately 8.5 kg
Overall Dimensions 280 × 220 × 180 mm
Service Factor 1.5 (Continuous Duty)
Accuracy Class DIN 6 / AGMA 10
L10 Bearing Life > 10,000 hours
Interface Standards SAE / Custom Flange Options
Certification Compliance ISO 9001 / NTC (Colombia) / International Vehicle Standards

automatictransmissionpart-products-EP-All-in-one Padded Ordinary Gearbox Differential Assembly

2. Five Key Advantages of the Padded Gearbox Differential Assembly

1. All-in-One Integrated Design

Combines gearbox and differential into one sealed unit, reducing assembly complexity, weight, and potential leak points while delivering precise torque distribution for enhanced vehicle stability and efficiency.

2. Advanced Padding Technology

Incorporates specialized padding materials that significantly dampen operational noise and vibration, providing ultra-quiet performance essential for urban and commercial electric vehicle fleets in Colombia and beyond.

3. Superior Environmental Protection

Features waterproof and high-temperature resistant construction, enabling reliable operation in harsh Colombian climates ranging from tropical humidity to high-altitude conditions while extending component lifespan.

4. Exceptional Torque and Power Handling

Supports maximum input torque of 30 Nm and rated power up to 1200W with optimized speed ratios of 1:8 and 1:10, ensuring smooth power delivery and superior traction for vehicle specific gearbox differential assembly needs.

5. Long Service Life and Low Maintenance

Engineered with precision CNC-machined components and robust materials for ultra-long service life, minimizing downtime and maintenance costs for fleet operators across Colombia and international markets.

3. Comprehensive Overview of the All-in-one Padded Ordinary Gearbox Differential Assembly

The All-in-one Padded Ordinary Gearbox Differential Assembly represents the pinnacle of modern vehicle transmission engineering, delivering a complete differential assembly solution that seamlessly merges gearbox functionality with high-performance differential gear assembly components in a single, factory-tested unit. This padded gearbox differential assembly is specifically optimized for electric and hybrid vehicle platforms, providing consistent torque distribution even during cornering maneuvers where wheel speed differentials are most pronounced. Manufactured through advanced aluminum die-casting and precision CNC machining processes, every differential assembly undergoes rigorous quality control including spectrometer analysis, three-coordinate measurement, and pressure testing to guarantee dimensional accuracy and structural integrity that exceeds industry benchmarks. For operators in Colombia, where Ministerio de Transporte regulations emphasize vehicle safety and component durability under NTC standards, this differential assembly ensures full compliance while supporting the national push toward sustainable e-mobility solutions. The design incorporates specialized padding materials that absorb operational vibrations and reduce noise levels to industry-leading standards, making it particularly suitable for urban delivery fleets and public transport vehicles operating on Colombia’s diverse road networks. With rear axle fitment compatibility ranging from 1000 mm to 1300 mm and half-shaft teeth configurations of 16/18, the assembly accommodates a wide variety of vehicle specific gearbox differential housing requirements. Its ability to handle rated voltages of 48V, 60V, and 72V along with power outputs from 350W to 1200W positions the padded gearbox differential assembly as the preferred choice for both new vehicle builds and transmission differential assembly replacement projects. The integrated construction eliminates multiple connection points that are common failure areas in traditional split designs, resulting in enhanced reliability and simplified installation procedures that save valuable service time. This level of engineering expertise and manufacturing precision directly translates into measurable performance gains, including improved energy efficiency and reduced maintenance intervals, which are critical advantages for fleet managers seeking cost-effective, high-trust differential solutions.

4. Working Principle of the Differential Assembly

A differential assembly is normally composed of gears that enable the outer wheel to rotate faster than the inner wheel during turns while maintaining equal torque distribution to both drive wheels under straight-line conditions. In the All-in-one Padded Ordinary Gearbox Differential Assembly, the bevel gear set and spider gears work in precise coordination within the differential carrier assembly to accommodate speed variations without compromising power delivery from the gearbox input. The padded gearbox differential assembly incorporates additional damping elements around the differential gear assembly function to minimize gear whine and vibration transmission to the chassis. Power enters through the input shaft, passes through the speed reduction stages at ratios of 1:8 or 1:10, and is then split by the differential gear box assembly to the left and right half-shafts. This differential working mechanism is essential for vehicle stability, especially on Colombia’s winding mountain roads and variable urban surfaces where traction demands fluctuate rapidly. The design also includes robust thrust washers and high-precision bearings that maintain alignment under peak loads up to 30 Nm of maximum torque input. Unlike conventional differential carrier assembly replacement units that require separate gearbox and differential components, this integrated differential axle assembly simplifies the entire powertrain layout while enhancing overall system efficiency. The differential cage assembly and differential housing assembly are machined to tight tolerances to ensure smooth operation across the full temperature range encountered in Colombian operating environments. This engineering approach not only fulfills the differential assembly definition requirements for modern electric vehicles but also provides superior durability compared to older split designs.

5. Materials and Manufacturing Excellence

The padded gearbox differential assembly utilizes premium aluminum alloy die-casting for the main housing combined with high-strength steel gears that undergo precise heat treatment to achieve optimal hardness and wear resistance. Every differential case assembly component is CNC-machined on imported precision centers to maintain surface finishes below 0.8 μm Ra, ensuring minimal friction and extended service intervals. Surface treatment processes include anti-corrosion coatings that exceed requirements for humid tropical climates prevalent throughout Colombia and neighboring regions. The differential hub assembly and differential coupling assembly benefit from these material choices, delivering exceptional fatigue resistance under continuous load cycles typical of commercial fleet operations. Quality assurance protocols incorporate X-ray flaw detection, salt spray testing, and full functional validation before shipment, demonstrating the manufacturer’s commitment to authoritative standards such as ISO 9001, ISO 14001, and ISO 45001 quality management systems. This rigorous approach to material selection and process control guarantees that the complete differential assembly performs reliably in diverse global applications while meeting or surpassing local regulatory expectations in Colombia under Ministerio de Transporte guidelines for vehicle transmission components. The combination of lightweight aluminum construction with reinforced internal gearing results in a differential assembly that balances performance, durability, and efficiency without unnecessary weight penalties.

automatictransmissionpart-products-EP-All-in-one Padded Ordinary Gearbox Differential Assembly

6. Scenari applicativi

Electric Tricycles & Delivery Vehicles (Colombia)

Perfect for last-mile delivery fleets operating under Colombia’s growing e-mobility regulations, providing quiet, efficient power transmission in urban environments.

Agricultural Utility Vehicles

Ideal for farm equipment requiring reliable differential gear assembly performance across rough terrain while maintaining low maintenance demands.

Industrial Material Handling

Supports warehouse and port equipment where the differential assembly must withstand continuous stop-start cycles and variable loads.

Light Commercial Vehicles

Excellent choice for small cargo vans and passenger carriers in Colombia and Latin American markets seeking cost-effective transmission differential assembly upgrades.

7. Manufacturing Expertise and Trustworthiness

With over a decade of specialized experience in precision mechanical components, the production of this differential assembly benefits from state-of-the-art facilities equipped with 12 advanced aluminum die-casting machines ranging from 200T to 1250T capacity and 23 imported CNC machining centers. Every padded gearbox differential assembly is developed through comprehensive one-stop solutions encompassing product design, mold manufacturing, deep processing, and surface treatment.

Workshop

Macchina di fabbrica 1Macchina da fabbrica 2Factory Machine 3Factory Machine 4

8. Related Products & One-Stop Solutions

Bulloni delle ruote

High-strength wheel bolts engineered for perfect compatibility with the differential assembly, ensuring secure wheel mounting and long-term reliability.

Bulloni delle ruote

Trave e perno dell'asse del rimorchio

Complete trailer axle solutions designed to work seamlessly with the padded gearbox differential assembly for heavy-duty applications.

Assale del rimorchio

Domande frequenti

Q1. How does the padded gearbox differential assembly improve performance compared to traditional split differential assemblies?

The all-in-one construction reduces potential leak points, lowers overall weight, and provides better vibration damping, resulting in quieter operation and longer service life for vehicle transmissions.

Q2. What voltage and power configurations are available for the differential assembly used in Colombian commercial vehicles?

The assembly supports 48V, 60V, and 72V systems with power ratings from 350W to 1200W, making it highly versatile for various electric vehicle platforms in Colombia.

Q3. How do I determine the correct rear axle fitment size when selecting a differential assembly for my specific vehicle?

Measure the existing rear axle distance between 1000 mm and 1300 mm and confirm half-shaft teeth count of 16/18 to ensure perfect compatibility with the vehicle specific gearbox differential assembly.

Q4. What maintenance is required for the All-in-one Padded Ordinary Gearbox Differential Assembly in high-humidity Colombian environments?

The sealed, maintenance-free design with synthetic grease and IP65 protection requires virtually no routine service beyond periodic visual inspections, saving significant costs for fleet operators.

Q5. Can the differential assembly be used as a direct replacement in existing vehicle transmissions?

Yes, the standardized mounting dimensions and interface standards allow straightforward differential carrier assembly replacement in most compatible electric vehicle platforms.

Q6. What are the key benefits of choosing this differential assembly for new vehicle development projects in Colombia?

Developers benefit from reduced engineering time, lower component count, proven reliability, and full regulatory compliance with local transport authority requirements.

Redattore: PXY