{"id":278,"date":"2026-05-05T06:08:25","date_gmt":"2026-05-05T06:08:25","guid":{"rendered":"https:\/\/automatictransmissionpart.com\/?post_type=product&p=278"},"modified":"2026-05-05T06:08:25","modified_gmt":"2026-05-05T06:08:25","slug":"ep-ea03-electric-vehicle-gearbox","status":"publish","type":"product","link":"https:\/\/automatictransmissionpart.com\/ms\/product\/ep-ea03-electric-vehicle-gearbox\/","title":{"rendered":"Kotak Gear Kenderaan Elektrik EP-EA03"},"content":{"rendered":"
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Kotak Gear Kenderaan Elektrik EP-EA03<\/h2>\n

Advanced Transmission Solution for Electric Vehicles – Engineered for Performance and Reliability<\/p>\n<\/div>\n

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1. Spesifikasi Teknikal<\/span><\/p>\n<\/div>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nSpesifikasi<\/th>\n<\/tr>\n<\/thead>\n
Product Model<\/td>\nEP-EA03<\/td>\n<\/tr>\n
Gear Ratio Options<\/td>\n6.386 \/ 6.71 \/ 7.8<\/td>\n<\/tr>\n
Maximum Torque<\/td>\n180 N.m<\/td>\n<\/tr>\n
Maximum Speed<\/td>\n10000 rpm<\/td>\n<\/tr>\n
Input-Output Center Distance<\/td>\n189 mm<\/td>\n<\/tr>\n
Kecekapan Penghantaran<\/td>\n\u226596%<\/td>\n<\/tr>\n
Quality Grade<\/td>\nGrade A<\/td>\n<\/tr>\n
Dimensi Keseluruhan (P\u00d7L\u00d7T)<\/td>\n456\u00d7277\u00d7152 mm<\/td>\n<\/tr>\n
Weight<\/td>\n28 kg<\/td>\n<\/tr>\n
Julat Suhu Operasi<\/td>\n-20\u00b0C to +80\u00b0C<\/td>\n<\/tr>\n
Noise Level<\/td>\n\u226468 dB<\/td>\n<\/tr>\n
Jenis Pelinciran<\/td>\nSynthetic Oil<\/td>\n<\/tr>\n
Bahan Gear<\/td>\n20CrMnTi Alloy Steel<\/td>\n<\/tr>\n
Bahan Perumahan<\/td>\nAluminum Alloy ADC12<\/td>\n<\/tr>\n
Service Life<\/td>\n10,000 hours<\/td>\n<\/tr>\n
Penarafan Perlindungan<\/td>\nIP65<\/td>\n<\/tr>\n
Mounting Position<\/td>\nHorizontal\/Vertical<\/td>\n<\/tr>\n
Input Shaft Diameter<\/td>\n30 mm<\/td>\n<\/tr>\n
Output Shaft Diameter<\/td>\n35 mm<\/td>\n<\/tr>\n
Certification Standards<\/td>\nISO 9001, CE<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\"automatictransmissionpart-products-EP-EA03<\/p>\n

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2. Five Key Advantages of EP-EA03 Electric Vehicle Gearbox<\/h2>\n
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Superior Efficiency Performance<\/h3>\n

Achieving over 96% transmission efficiency, this electric vehicle gearbox minimizes energy loss and maximizes battery range, critical for Colombian electric vehicle operations where charging infrastructure is still developing across regions.<\/p>\n<\/div>\n

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Multiple Gear Ratio Options<\/h3>\n

Three precisely calibrated gear ratios (6.386, 6.71, 7.8) provide flexibility for different vehicle applications, allowing optimization for city driving, highway cruising, or heavy-load scenarios common in Colombian commercial transportation.<\/p>\n<\/div>\n

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High Torque Capacity<\/h3>\n

With maximum torque handling of 180N.m, this gearbox supports powerful electric motors essential for navigating Colombia’s varied terrain, including mountainous regions around Bogot\u00e1 and Medell\u00edn.<\/p>\n<\/div>\n

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Compact Integration Design<\/h3>\n

The optimized 456\u00d7277\u00d7152mm dimensions and 189mm center distance enable seamless integration into various electric vehicle platforms, reducing installation complexity and vehicle weight for improved overall performance.<\/p>\n<\/div>\n

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Grade A Quality Certification<\/h3>\n

Manufactured to the highest Grade A standards with rigorous quality control, ensuring reliability and longevity essential for Colombian fleet operators who require dependable electric vehicle components with minimal maintenance requirements.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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3. Working Principle of Electric Vehicle Gearbox<\/h2>\n

The EP-EA03 electric vehicle gearbox operates on precision helical gear technology that converts the high-speed, low-torque output from electric motors into appropriate speed and torque levels for vehicle propulsion. When the electric motor shaft rotates at speeds up to 10000rpm, the input gear engages with the intermediate gears through precisely machined teeth that maintain constant contact throughout the rotation cycle. This continuous meshing ensures smooth power transmission while minimizing vibration and noise generation critical for passenger comfort in Colombian urban environments.<\/p>\n

The gear reduction mechanism employs multiple gear stages to achieve the selected ratio, whether 6.386, 6.71, or 7.8, depending on the specific application requirements. Each gear is manufactured from hardened 20CrMnTi alloy steel and undergoes heat treatment processes including carburizing and quenching to achieve surface hardness levels of HRC 58-62 while maintaining a tough core. The aluminum alloy housing provides lightweight strength and excellent heat dissipation properties essential for maintaining optimal operating temperatures during extended use in Colombia’s tropical and mountainous regions. Synthetic lubrication distributed throughout the gearbox via splash lubrication ensures all moving components receive adequate protection against wear while contributing to the high 96% transmission efficiency that characterizes this advanced electric vehicle gearbox system.<\/p>\n<\/div>\n<\/div>\n

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4. Material Composition and Quality<\/h2>\n

The EP-EA03 electric vehicle gearbox utilizes premium materials selected specifically for durability and performance in demanding electric vehicle applications. The primary gear components are manufactured from 20CrMnTi chromium-manganese-titanium alloy steel, a material renowned for its exceptional strength-to-weight ratio and superior wear resistance characteristics. This specialized steel composition undergoes precision forging followed by carburizing heat treatment that creates a hardened surface layer while preserving a ductile core, resulting in gears that can withstand the high torque loads and cyclic stresses typical of electric vehicle operation throughout Colombian urban and rural environments.<\/p>\n

The gearbox housing is constructed from ADC12 aluminum alloy, chosen for its excellent combination of lightweight properties, superior thermal conductivity, and high strength characteristics. This material enables effective heat dissipation during continuous operation, maintaining optimal operating temperatures even under challenging conditions encountered in Colombian climate zones. All bearing components utilize high-grade chromium steel with precision grinding to achieve tight tolerances essential for smooth operation and extended service life. Sealing elements employ synthetic rubber compounds resistant to both petroleum-based and synthetic lubricants while maintaining flexibility across the wide temperature range from -20\u00b0C to +80\u00b0C. The fastening hardware consists of grade 10.9 high-tensile steel bolts with corrosion-resistant coatings, ensuring structural integrity throughout the gearbox’s 10,000-hour operational lifespan even when operating in humid coastal regions or high-altitude areas of Colombia.<\/p>\n<\/div>\n<\/div>\n

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5. Senario Aplikasi<\/h2>\n
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Urban Taxi Fleets<\/h3>\n

Ideal for electric taxi operations in Bogot\u00e1, Medell\u00edn, and Cali, providing reliable performance for daily high-mileage urban transportation with optimal efficiency for frequent stop-and-go traffic conditions.<\/p>\n<\/div>\n

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Delivery Vehicles<\/h3>\n

Perfect for last-mile delivery electric vehicles serving Colombian e-commerce and logistics sectors, offering the torque and efficiency needed for frequent starts and stops in commercial delivery operations.<\/p>\n<\/div>\n

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Public Transportation<\/h3>\n

Suitable for electric buses and mini-buses operating on Colombian urban transit routes, providing the durability and power transmission required for public transportation applications with extended service intervals.<\/p>\n<\/div>\n

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Commercial Vans<\/h3>\n

Excellent for electric commercial vans used in Colombian business fleets, offering the performance characteristics necessary for mixed urban and highway operation with cargo loads typical of commercial applications.<\/p>\n<\/div>\n

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Specialty Vehicles<\/h3>\n

Adaptable for electric specialty vehicles including airport shuttles, hotel transportation, and tourist vehicles operating in Colombian tourist destinations, providing quiet and efficient operation for passenger comfort.<\/p>\n<\/div>\n

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Light Trucks<\/h3>\n

Well-suited for electric light trucks used in Colombian municipal services, maintenance operations, and utility applications where moderate payload capacity combines with zero-emission operation requirements.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

\"kotak<\/p>\n

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6. About Our Manufacturing<\/h2>\n

We maintain strict quality control throughout the production process, from raw material inspection through final assembly and testing. Each EP-EA03 electric vehicle gearbox undergoes comprehensive testing including noise measurement, efficiency verification, torque capacity validation, and endurance trials to ensure compliance with Grade A standards before shipment to customers throughout Colombia and Latin America.<\/p>\n

With advanced CNC machining centers, heat treatment facilities, and assembly lines equipped with precision measurement systems, we ensure consistent quality and performance in every gearbox we produce for the Colombian electric vehicle market.<\/p>\n

Kedai Kerja<\/h3>\n
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\"Manufacturing
\n\"Quality
\n\"Assembly
\n\"Testing<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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7. Produk Berkaitan<\/h2>\n
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Electric Motor Mounting Brackets<\/h3>\n

Precision-engineered mounting brackets specifically designed for secure electric motor attachment to the EP-EA03 gearbox. These brackets ensure proper alignment and vibration dampening, critical for maintaining the high efficiency and low noise characteristics of the complete drivetrain system. Manufactured from high-strength aluminum alloy with corrosion-resistant coating suitable for Colombian environmental conditions.<\/p>\n

\"produk<\/p>\n<\/div>\n

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Output Shaft Couplings<\/h3>\n

High-performance flexible couplings that connect the EP-EA03 gearbox output shaft to the vehicle’s driveline. These couplings accommodate minor misalignments while transmitting full torque capacity, protecting both the gearbox and downstream components from shock loads typical in electric vehicle operation. Available in various configurations to match different Colombian electric vehicle platforms and applications.<\/p>\n

\"produk<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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Soalan Lazim<\/h2>\n
\nQ1. What gear ratio should Colombian fleet operators select for urban delivery applications?<\/summary>\n

For urban delivery applications in cities like Bogot\u00e1 and Medell\u00edn, the 6.71 or 7.8 gear ratios typically provide optimal performance. These ratios deliver the torque multiplication needed for frequent stops and starts while maintaining efficiency during low-speed urban driving. The higher ratios also help manage battery consumption during peak traffic periods common in Colombian metropolitan areas.<\/p>\n<\/details>\n

\nQ2. What maintenance schedule is recommended for electric vehicle gearbox operation in Colombian climate conditions?<\/summary>\n

Under typical Colombian operating conditions, we recommend synthetic oil inspection every 3,000 operating hours with complete oil changes every 6,000 hours. In coastal humid environments or dusty highland conditions, inspection intervals should be reduced to 2,500 hours. The IP65 protection rating minimizes maintenance requirements, but regular visual inspections and temperature monitoring help ensure optimal long-term performance.<\/p>\n<\/details>\n

\nQ3. How does Grade A certification benefit Colombian electric vehicle operators and fleet managers?<\/summary>\n

Grade A certification ensures the highest manufacturing quality standards, including precision gear cutting, heat treatment verification, and comprehensive performance testing. For Colombian operators, this translates to reliable performance, reduced downtime, lower maintenance costs, and confidence in long-term durability. The certification also facilitates compliance with Colombian vehicle safety and quality regulations for commercial electric vehicle operations.<\/p>\n<\/details>\n

\nQ4. What are the noise level expectations when operating the EP-EA03 electric vehicle gearbox in Colombian city environments?<\/summary>\n

The EP-EA03 operates at or below 68 decibels under normal load conditions, significantly quieter than traditional mechanical transmissions. This low noise operation is particularly valued in Colombian urban environments where noise pollution regulations are increasingly strict and passenger comfort is paramount for taxi and public transportation applications. The precision helical gears and quality bearings minimize gear mesh noise throughout the operating speed range.<\/p>\n<\/details>\n

\nQ5. Which electric motor power ranges are compatible with the EP-EA03 electric vehicle gearbox for Colombian applications?<\/summary>\n

The EP-EA03 is compatible with electric motors ranging from 30kW to 75kW, covering most common Colombian electric vehicle applications from compact passenger cars to medium-duty commercial vehicles. The 180N.m torque capacity and 10000rpm maximum speed accommodate various motor characteristics while the multiple gear ratio options allow optimization across different power levels and vehicle requirements.<\/p>\n<\/details>\n

\nQ6. What technical support resources are available for Colombian electric vehicle gearbox installation and troubleshooting?<\/summary>\n

We provide comprehensive technical documentation in Spanish for Colombian customers, including installation manuals, maintenance procedures, and troubleshooting guides. Remote technical support is available via phone and video consultation to assist Colombian technicians with installation verification, performance optimization, and diagnostic procedures. We also offer on-site training programs for fleet maintenance teams and vehicle converter facilities operating in Colombia.<\/p>\n<\/details>\n<\/div>\n<\/div>\n

Editor: PXY<\/p>","protected":false},"excerpt":{"rendered":"

This precision-engineered gearbox delivers exceptional performance with its advanced gear ratio options of 6.386, 6.71, and 7.8, allowing vehicle manufacturers and fleet operators to optimize their electric vehicles for various applications ranging from urban delivery to long-distance transportation. With a maximum torque capacity of 180N.m and operational speeds reaching up to 10000rpm, this electric vehicle gearbox provides the perfect balance between power delivery and efficiency that Colombian automotive professionals demand.<\/p>\n

Manufactured to Grade A specifications, the EP-EA03 electric vehicle gearbox achieves transmission efficiency levels exceeding 96 percent, which directly translates to extended battery range and reduced operational costs for electric vehicle operators throughout Colombia.<\/p>","protected":false},"featured_media":279,"template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[22],"product_tag":[],"class_list":{"0":"post-278","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-electric-vehicle-gearbox-reducer","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/automatictransmissionpart.com\/ms\/wp-json\/wp\/v2\/product\/278","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/automatictransmissionpart.com\/ms\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/automatictransmissionpart.com\/ms\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/automatictransmissionpart.com\/ms\/wp-json\/wp\/v2\/media\/279"}],"wp:attachment":[{"href":"https:\/\/automatictransmissionpart.com\/ms\/wp-json\/wp\/v2\/media?parent=278"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/automatictransmissionpart.com\/ms\/wp-json\/wp\/v2\/product_brand?post=278"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/automatictransmissionpart.com\/ms\/wp-json\/wp\/v2\/product_cat?post=278"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/automatictransmissionpart.com\/ms\/wp-json\/wp\/v2\/product_tag?post=278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}