# DIWA.5 transmission types, designs and documents
| Rating plate description
> Designation | Alternatives | Description
> DIWA |  | DIWA type bus transmission
> D 864.5 | D 854.4 | Transmission generation ".5" Type D 864 transmissions are generally designed for higher engine outputs than type D 854 transmissions. The last digit before the ".5" indicates the number of gears. "4": 4-speed drive
> C | D | Input cover
> 3 | 4 | Transmission ratio of the input differential: Diff. 3 yields a transmission of 1.43 in 2nd gear, of 1 in 3rd gear; of 0.7 in 4th gear; Diff. 4 yields a transmission of 1.36 in 2nd gear; of 1 in 3rd gear; of 0.735 in 4th gear;
> V | F, H, X | Impeller
> T0 | T2 | Turbine
> R0 | R2 | Reverse gear transmission
> W50 | W51, W52, W53, W54 | Output-sided angle drive
DIWA.5 rating plate: 1- transmission number, 2- design, 3- model, 4- transmission type
| DIWA.5 overview
More information on: DIWA.5 operational principle of gears and front view
| Further topics:
More information on: FAQ Up > Higher-level section © by Voith Turbo GmbH & Co. KG send remarks to joachim.ehleiter@voith.com (electronic department) or r.theilacker@voith.com (electronic department)