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Sequential 4-speed with a 10" R&P.  Originally known as the Mendeola S4, the Weddle S4 transaxle was designed to deliver next level in strength and performance. The use of larger, 85mm shaft center distance translates to stronger gears and larger bearings. The Weddle S4 also features a larger, fully functional reverse gear.The Weddle S4 utilizes the industry proven Weddle Racing 10" ring and pinion set coupled to a new line of Weddle Racing gears designed specifically for the S4 transaxle. 
Part Number: 


Shipping Weight: 

180 lb



Price : 


This item cannot be purchased online.

To purchase this product, please call us
at 805-562-8600 or email us

Questions? Call us at 805 562 8600 or email us.

  • Industry proven Weddle Klingelnberg 10" diameter ring and pinion
  • Spiral bevel ring and pinion reduces frictional losses and can be run mid or rear engine
  • Bronze load bolt prevents ring gear displacemen
  • Weddle Racing gears with extra wide faces. Design based on 85mm shaft center distance
  • Sequentially shifted forward gears
  • 2" narrower than a VW Bus trans
  • Hemi spline 300M input shaft (1-3/16" x 18 spline)
  • 934 flanges standard, 930 available
  • External housings cast from A356 aluminum and heat treated to T6 condition
  • Housings stainless shot blasted after casting
  • Billet aluminum sidecovers
  • Differential supported by heavy-duty tapered roller bearings
  • Outboard ball bearings support the drive flanges
  • Housings pre-drilled for external oil system
  • Download Installation Instructions
  • Download Exploded View Diagrams
  • Download Drawing CH BH
  • Download Drawing VW BH

  • Torque Biasing Limited Slip Diff option - See pricing
  • Billet Aluminum Differential option - See pricing
  • Billet Aluminum Spool option - no extra charge
  • Bell Housing for Side Mount Starter - no extra charge
  • REM Polish All Critical Internal Components  See pricing
  • Harget Shifter, Dual Lever  See pricing
  • Aftermarket Shifter, Dual lever  See pricing
  • Ring and Pinions: 5.14, 4.86, 4.63, 3.56
  • 1st Gears: 3.27, 3.09, 2.91
  • 2nd, 3rd, and 4th Gears: 2.21, 2.14, 2.08, 1.93, 1.67, 1.59, 1.56, 1.50, 1.44, 1.37, 1.32, 1.26, 1.20, 1.14, 1.10