Mopar 4 speed automatic transmission. 6 was an adaptation of the ZF 5HP30).
- Mopar 4 speed automatic transmission. 6 was an adaptation of the ZF 5HP30). Dodge trucks and some Jeeps used a four-speed which added an overdrive gear to the existing A-999 three-speeds. From the smallest part to complete conversion kits, Brewer’s Performance is dedicated to helping you keep your original 4-speed Mopar shifting smoothly. Sep 6, 2022 ยท Silver Sport Transmissions has the 4 speed automatic based on the GM 700R4, also known as the 4L60E. . Commonly found in the 300, Magnum, Charger, Challenger, WK/WK2/WD Grand Cherokee and Durango (through 2013), Wrangler, and some Dodge Ram pickups. We can also supply the parts you need to convert to 4-speed if your car is currently an automatic. Everything from super rare Hemi 18-spline transmissions to later-model overdrive A833 units. It was reconfigured as an overdrive transmission, appearing in 1975 and newer model cars and trucks as a fuel economy feature. Our customer service, parts inventory, and technical support are second to none.