Interested in protecting your transaxle? Have a newly rebuilt trans with a warranty? German Transaxle in Bend, OR will only warranty their transaxles if they're ran with BG Ultra-Guard Full Synthetic Gear Lubricant, that's how good it is. Rated to the API GL-5 spec, this 75W-90 gear oil has no rival on the market. Sold in 1 US Quart bottles.
090/091 2WD transaxle requires 3.2 US Quarts
094 (5-speed/Syncro) transaxle requires 4.0 US Quarts (4.5 qt total capacity)
Syncro Front Differential requires 1.61 US Quart