Rear Axle

Revision as of 15:38, 11 February 2007; view current revision
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The Datsun 1200 used a leaf-spring live axle with an H145 differential. This is a Hitachi design with 145mm ring gear. It is a lightweight unit suitable to handle the torque from an A12 engine. Light weight is good. Heavy parts take more horsepower to accelerate.

Also see Rear Axle Swaps.

Differential Lubricant

Since the differential is a typical hypoid-gear unit, you can use any lubricant designed for such:

• the traditional "90 weight" gear oil
• the newer 75W140 multi-weight gear oil

For maximum fuel economy, use a modern multi-weight gear oil.

The original specifications (which are still OK to use) are:

• Specification: API GL-4MIL-L-2105
  • CHEVRON Multiservice Gear Lub. 75,80,90,140
  • ESSO Gear Oil GP80,90,140
  • MOBIL Mobilube EP or GX80-90, 90, 140
  • SHELL Spirax 75EP,80EP, 90EP, 140EP
  • SUNOCO Multipurpose GearLub. GL-480,90,140
  • TEXACO Universal Gear Lub.EP80,90,140

reference: Owners manual
Online Owner's Manual