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Pumbaa PMEA40000Z Central E-axle (Rear/Mid-axle)

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Pumbaa PMEA40000Z Central E-axle (Rear/Mid-axle)

66/123kW Central E-axle for electric 4.5T-6.0T logistics vehicle / 6m bus

The Central E-Axle (Rear/Mid-Axle) is a state-of-the-art electric rear axle designed for optimal efficiency and power. Engineered for precision, this electric car rear axle integrates an advanced motor, transmission, and power electronics, ensuring superior performance and reliability. Its compact design enhances vehicle dynamics while maximizing energy efficiency. Ideal for modern electric vehicles, the electric rear axle drive delivers high torque output and seamless operation. Whether for passenger or commercial applications, the rear axle for electric car sets new benchmarks in electrified mobility.

Pumbaa PMEA40000Z Central E-axle (Rear/Mid-axle) Performance Benefits

  • Advantage 1: Control strategy advantage

Torque assist can realize power without interrupting gear shifting;

It can realize heavy-load ramp-up shifting and improve operational efficiency; Optimize the control strategy and improve driving comfort;

  • Advantage 2: Excellent power performance

The total power of the system is up to 440KW;

The maximum climbing degree of the 49T tractor is more than 35%;

The maximum speed can reach 125km/h;

  • Advantage 3: Cost advantage

The use of 300,000 kilometers of long-lasting oil, the use of maintenance-free bearings at the end of the wheel, lower maintenance costs;

The assembly has high efficiency, low power consumption and lower operating costs;

The service life of system B10 can reach 1 million kilometers, which is more worry-free to use;

 

    Pumbaa PMEA40000Z Central E-axle (rear/Mid-axle) Application examples

    Pumbaa PMEA40000Z Central E-axle (rear/Mid-axle) Matching vehicle type: tractor

     

     

    Small batches are used in Sany Heavy Truck

    Small batches are used in Sany Heavy Truck, Baidu Commercial Vehicle (Deepway), Foton Daimler, Zero One Smart Card, etc.

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    Pumbaa PMEA40000Z Central E-axle (rear/Mid-axle) Product R&D process

    Central e-axle test:

    Noise test of electric bridge bench

    Noise test of electric bridge bench

     

    Durability test of electric drive bridge bench

    Durability test of electric drive bridge bench

    Assembly air tightness test

    Assembly air tightness test

    Vibration test of electric bridge platform

    Vibration test of electric bridge platform

    Road testing of the whole vehicle

    Road testing of the whole vehicle

    Customer loading test

    Customer loading test

     

     

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    Pumbaa PMEA40000Z Central E-axle (rear/Mid-axle) Technical parameters

    Rated axle load(kg)

    13000

    Axle housing forming method

    Stamping and welding

    Housing cross-section(mm)

    135×150×16

    Gearbox ratio

    13.203/4.367

    Wheel ratio

    3.947

    Nominated/peak output torque(Nm)

    320/820

    Rated/peak power(kw)

    125/250

    Maximum speed(rpm)

    11000

    Motor dimensions(mm)

    Φ354×270

    Leaf spring mounting distance(mm)

    1040

    Rim mounting distance(mm)

    1875

    Overall width(mm)

    2420

    Brake specifications

    Drum pose/φ410×220

    Air chamber size/connection size(mm)

    30/24   M16×1.5

    Maximum braking torque(0.8MPa)

    2×18000Nm

    Wheel bolt specifications

    2-10×M22×1.5

    Wheel bolts are distributed in a circle diameter(mm)

    Φ335

    Locate the stop(mm)

    Φ280.8

    Assembly weight(kg)

    1030

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