Neapco propshaft/driveshaft designs and innovations for the automotive industry
Neapco engineering capabilities for automotive driveshaft assemblies include:
- Neapco’s patented slip-in-tube propshaft design offers:
- Low plunge effort significantly improves NVH performance
- Safely telescopes in vehicle crash
- Can substitute for conventional “Slip at Transmission” arrangement
- Design flexibility allows reduced production complexity
- High durability of splines allows for warranty cost improvements
- Higher operating speeds than conventional design
- Level of energy absorption and displacement distance can be tailored to specific OEM requirements
- Neapco’s carbon fiber propshaft design offers:
- High strength
- Lightweight (i.e., Increased Fuel Economy)
- Increased stiffness
- Improved packaging
- Increased critical speed capability
Neapco propshafts/driveshafts incorporate the following component designs and technologies:

Neapco Lube-for-Life universal joints feature:
- A portfolio ranging from 1210 through 1550 series
- Lube-for-life designs with industry leading grease capacity
- Triple-lip sealing for long life
- Thrust washers for low rotational friction and end play control

Neapco high-speed CV joints feature:
- Both plunging and fixed designs
- Best-in-class torque versus lash characteristics
- Virtual elimination of NVH disturbances caused by driveline angles and plunge
- High-torque density

All Neapco components are designed in-house, including:
- U-joints (flanges/yokes, bearings, spiders)
- High-speed CV joints (fixed and plunging)
- Double cardan joints
- Flex couplings
- Slip yokes/stud yokes
- Center bearings
- Boots/seals
- Dampers and NVH devices
- Tubes (aluminum, steel, carbon fiber)
- Grob forming for slip-in-tube
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