Jeep Tech Transmissions
Short Cuts
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The Jeep Technical transmission pages cover stock Jeep transmissions and transmission swaps in Jeep vehicles. Stock transmissions used in Jeeps from 1941 until present are covered in detail. There are articles about various transmission swaps using both automatic and manual transmissions.

Transmission Swaps

Jeep Wrangler 700R4 Transmission Installation
Ron gets down to the details on installing a 700R4 4 speed automatic in his Wrangler YJ. It is always the details that make swaps tough and Ron works through them.
Jeep Wrangler AX-15 to 700R4 transmission swap
It has to be one of the biggest debates of the Jeeping world, stick or auto? Every time I see the subject come up in one of our forums or mailing lists I know everyone will have an opinion. For various reasons, I decided to swap out my AX-15 5 speed manual for a 700R4 4 speed automatic.
Project DIY's drive train Project Do It Yourself 's Drive Train
Project Do It Yourself's Drive Train. A Chevy 4.3 V-6 with TBI, Jeep T-18 with a Ford input shaft and a Dana 20 make for a compact drive train that can be mounted high to clear rocks and forward for better drive line angles.
Jeep Therapy NV4500
The NV4500 is a heavy duty 5 speed transmission used in Dodge and Chevy trucks. It is a transmission that can take massive abuse on the trail and because it has an overdrive, it allows the engine to cruise comfortably on the highway. This article includes pictures and details on rebuilding the NV4500.
TH350 TH350 for Project Pieces & Parts
The Turbo 350, aka TH350, automatic transmission is a stout 3 speed automatic transmission. It has been used in various GM cars and trucks over the years. Because it is a reliable, common, and short transmission, it is probably the best automatic transmission to swap in a short Jeep such as a flat fender.
Project Jeep Therapy Clutch Linkage
Project Jeep Therapy, a CJ-7 built for the trail, gets some clutch linkage. The clutch linkage is a hybrid of Jeep and Chevy parts. What could be more Jeep?

Transmission Shifters

img21.jpg Slamming Gears
An easy modification to the Art Carr cable shifter can make it a quick gear slamming shifter for any automatic transmission. Sometimes, the ability to get into reverse fast can save a roll over.

Other Gearing Options

Klune-V Extreme Underdrive 4:1 "David" in a Cherokee XJ
Installation of a Klune-V Extreme Underdrive 4:1 "David" planetary crawler in a Cherokee XJ.
Pieces & Parts Overdrive
A Warn Overdrive from a Scout 80 for Project Pieces & Parts. The Warn Overdrive does not shorten the rear driveshaft and it provides a 0.75:1 gear reduction in all forward and reverse gears.

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