Transmission Description

Manual Transmission
The S5-47 ZF transmission is a five-speed synchronized unit. The ZF five speed has the following features:
^ An integral clutch housing.
^ An aluminum main case.
^ The mainshaft has two tapered roller bearings. Mainshaft end play is controlled by a selective shim located under the bearing cup.
^ The countershaft has two tapered roller bearings. The countershaft end play is controlled by a selective shim located under the bearing cup.
^ The countershaft is serviced as an assembly.
^ Synchronized in all gears.
^ All gears are bevel cut.
^ All gears, including reverse, turn on needle roller bearings.
^ Single-piece shaft forks with Moly coated pads.
^ Provisions for mounting a power take-off.
^ The mainshaft and countershaft are assembled under preload. If the ZF transmission is disassembled, a preload measurement must be taken.

The S5-47 has five forward speeds and one reverse speed. The gear ratios are as follows:
^ First 5.72:1
^ Second 2.94:1
^ Third 1.61:1
^ Fourth 1.00:1
^ Fifth 0.76:1
^ Reverse 5.24:1