904 Transmission



904 Racing Transmissions 904 Transmission Although not up to the high horsepower levels that the 727 can handle, the 904- otherwise known as a TF-6, has long been a popular performance transmission. Torqueflite 904 (30RH) The Jeep 904 transmission was 1st used by Jeep behind the 4 cylinder CJ starting in 1980. From 1980 to 1982 this transmission was used behind the Iron Duke engine. The Iron Duke application was extremely rare, as even the 1980 Jeep service manual does not. TF 904 TRANSBRAKE TRANSMISSION - 1/4 MILE E.T. 9.11sec at 148.64 mph ENGINEERED QUALITY & PRECISION With every SMR transmission, torque converter and associated component comes the SUPERIOR ADVANTAGE of.

904 Transmission Torque Converter

This page is designed to assist you in identifying the transmission installed in your vehicle. We are making the assumption that your vehicle has the original type transmission that was installed at the factory. In most cases, if your vehicle has been converted from an overdrive to a 3-speed, you can still use this guide for identification. If the drivetrain in your vehicle has been customized in any other way, you should call our techs for help identifying your transmission.

904 Transmission

904 Transmission For Sale

Front Wheel Drive

3 Speed

YearModel
1978-up404 (413, 470, 670)1-1/2″ manual shaft, removable differential cover. Lock-Up has electrical connector next to dipstick hole.Pictures
1987-up404 Lock-Up (413, 470, 670, All Turbos)

Overdrive

YearModel
1988-up6044″ manual shaft, large black box on side, removable differential cover. (Read More…)
1993-up606Concorde, Intrepred, LHS, New Yorker, Eagle Vision

Rear Wheel Drive

3 Speed

YearModel
1962-1977727 (Non Lock-Up)Lock-Up has hole through input shaft, 18-1/2″ extension housing.
1978-up727 (Lock-Up or Non Lock-Up)
1962-1977904 (Non Lock-Up)Lock-Up has hole through input shaft, 14-3/4″ extension housing, has hump on the case for the pump.Pictures
1978-up904 (Lock-Up or Non Lock-Up)

Overdrive

YearModel
1988-1994A500 (904 OD)Lock-Up has wires at left rear corner, pointing up. 21-1/2″ extension housing, raised ribbed area running along left side, square oil pan with one corner cut.Pictures
1995-upA500 (904 OD)Has 8-pin connector.
1988-1994A518 (727 OD)Non-Lock-Up has 2 wires, Lock-Up has 3 wires at left rear corner, pointing up. 21-1/2″ extension housing, oil pan with one corner cut, bulged area on opposite side of pan by dipstick hole.Pictures
1995-upA518 (727 OD)Has 8-pin connector. It will be a 1999 if the case has a 1/2″ by 10″ wide notch in the bottom of the bell. 1999 which transducer?
2000-upA518(727 OD)The Nutural Safety switch will have 3 wire or 5 wire. 3 wire is a small hole in the case and a 5 wire is a large hole in the case
2005 -upA518 Diesel & V10Has bosses for throttle valve actuator, 2wd also has a 2.176 op shaft bushing
1989-1995A500 – A518(2wd)Has 2 speedo cables
1996-1997A500 – A518(2wdHas 2 speedo cables
1998-UpA500 – A518(2wd)Has 1 sensor hole
1988-1993A518Has 3 wire for the lockup and it also had 2 wire for a non lock-up
1989-1994A518The overdrive tail housing holes can be offset or straight
2000-UpA500Jeep may have mounts on top of tail housing
1987-Up904(Lock-Up)1 or 2 wire ectric lock-up