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8-speed cvt automatic transmission planetary gear 1087240049

8-speed cvt automatic transmission planetary gear 1087240049

Brand Name:

/

Model Number:

8HP70、8HP70H、8HP70X

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Product Details
Year::
/
MODEL::
8HP70、8HP70H、8HP70X
SIZE::
15X15X15CM
Brand::
/
Item Weight::
2kg
OENO:
1087240049
Applicable Brand::
/
Payment & Shipping Terms
Minimum Order Quantity
1
Price
0-1000
Packaging Details
Paper box or wooden box
Delivery Time
5-8 work day
Payment Terms
T/T
Product Description

Key Features & Analysis:

  1. Application: ZF 8HP series (likely 8HP45/55/70), supporting 2nd/4th/6th/8th gear ratios.

  2. Design: Compound planetary set (Ravigneaux or Lepelletier type) with hardened 18–22 tooth sun gear and 42–46 tooth ring gear.

  3. Material: Case-hardened 20MnCr5 steel (core hardness 58–62 HRC, surface >800 HV).

  4. Critical Tolerances:

    • Backlash: 0.05–0.12mm (exceeding 0.15mm causes whine)

    • Runout limit: <0.03mm

  5. Failure Modes:

    • Pitting/spalling (fatigue due to high torque cycling)

    • Bearing journal wear (if oil debris present)

    • Thermal distortion (if ATF exceeds 140°C)

Note: Requires ZF Lifeguard 8 fluid for proper lubrication. Common in Audi/BMW applications.


8-speed cvt automatic transmission planetary gear 1087240049 0

8-speed cvt automatic transmission planetary gear 1087240049 1

8-speed cvt automatic transmission planetary gear 1087240049 2



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