The transfer case adaptors allow the GM TH700R-4, and 4L80-E automatic transmissions to be bolted directly onto the Nissan Patrol transfer case.

These kits incorporate a special steel adaptor that rotates the transfer case down on the right hand side by 18 degrees, this angle is required to allow the transfer case front output shaft to fit with a more acceptable drive line angle.

The kits allow you to use the large range of GM V6 and V8 engines, petrol, or diesel in conjunction with the GM automatic transmissions.

The transfer case adaptor housing replaces the original extension housing on the automatic transmission. This adaptor housing then mates to the original Nissan Patrol transfer case via the steel rotation plate.

The adaptor housing will suit all GQ and GU Patrol transfer cases including the 4.2 petrol, 4.5 petrol, 4.8 petrol, 4.2 diesel, 3ltr diesel and the RB30 petrol. The housing has been designed to retain the standard Nissan rear transmission mounting, manual hi-low lever, and brackets.

The TH700 kit has a change over main output shaft supplied, along with a coupler shaft that fits directly into the front of the Nissan transfer case. The automatic transmission will need to be disassembled to replace the main shaft with the one supplied in the kit.

The output shaft is sold on an exchange basis and if not supplied with the original order a deposit of $110 will be charged (Australia only). Shafts that are pitted rusty or heat damaged will not be accepted. The deposit will be refunded when the shaft is received at our factory. Postage or freight is the responsibility of the sender.

Some modification to the transmission oil pan to clear the front drive shaft may be required

The 700R-4 is a GM 4-speed overdrive automatic transmission that was first introduced in the US in 1982. Unfortunately the transmission developed a bad reputation, as early models were prone to failures. GM redesigned the 700R-4 in 1985 and a larger sprag was introduced in 1987.

The 700R-4 was available in two different case variations. The standard GM V8 version will bolt directly to the Chevy V8 petrol, Chevy V8 diesel and Turbo pattern Holden 308 engines.

If you intend using a 253 Holden V8 or a Trimatic pattern 308 you would need to adapt the automatic transmission to the engine with an adaptor plate, they are generally available from any speed shop.

The V6 commodore was also fitted with the 700R-4 transmission. The V6 transmission has a different bolt pattern to the V8 version and therefore, will only bolt to a Commodore V6 engine.

The 700R-4 is an excellent choice as an automatic transmission in a 4WD vehicle as it features a low 1st gear, lower than any other GM auto, and an overdrive top gear, ideal for highway cruising.

The 700R-4 has an overall case length of 594 mm and when coupled up to our 175-mm adaptor housing gives you an overall transmission length of 769mm (30.3").

The 700R-4 has the following gear ratios: (1st 3.06:1), (2nd 1.62:1), (3rd 1:1), (4th 0.70:1).

The 4L80E transmission is similar in strength to the old TH400 3-speed with the addition of an overdrive 4^th gear. This transmission is as the 4L60-E, electronically controlled.

Special after market computers are available for these transmissions.

As all automatic transmissions have limited engine braking on steep declines we would recommend you consider using our Rock Crawling Gears in the transfer case for improved performance and added safety when off road.

Kit part numbers are as follows: