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8-speed cvt automatic transmission planetary gear 1087240049
Product Summary
Key Features & Analysis: Application: ZF 8HP series (likely 8HP45/55/70), supporting 2nd/4th/6th/8th gear ratios. Design: Compound planetary set (Ravigneaux or Lepelletier type) with hardened 18–22 tooth sun gear and 42–46 tooth ring gear . Material: Case-hardened 20MnCr5 steel (core hardness 58–62 HRC, surface >800 HV). Critical Tolerances: Backlash: 0.05–0.12mm (exceeding 0.15mm causes whine) Runout limit:
Basic Properties
Brand Name:
/
Model Number:
8HP70、8HP70H、8HP70X
Trading Properties
Minimum Order Quantity:
1
Price:
0-1000
Payment Terms:
T/T
Product Description
Key Features & Analysis:
-
Application: ZF 8HP series (likely 8HP45/55/70), supporting 2nd/4th/6th/8th gear ratios.
-
Design: Compound planetary set (Ravigneaux or Lepelletier type) with hardened 18–22 tooth sun gear and 42–46 tooth ring gear.
-
Material: Case-hardened 20MnCr5 steel (core hardness 58–62 HRC, surface >800 HV).
-
Critical Tolerances:
-
Backlash: 0.05–0.12mm (exceeding 0.15mm causes whine)
-
Runout limit: <0.03mm
-
-
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.
Product Details
Highlight:
8-speed CVT automatic transmission gear
,planetary gear for transmission 1087240049
,CVT transmission parts with warranty
Year：:
/
MODEL：:
8HP70、8HP70H、8HP70X
SIZE::
15X15X15CM
Brand：:
/
Item Weight::
2kg
ＯＥＮＯ:
1087240049
Applicable Brand::
/
Mrs. Kinny
Foreign trade Manager
- Email: admin@transmesun.com
- Tel: +8618665691829
- WhatsApp: 8618665691829
-
WeChat:
+8618665691829
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