;Engine location •
F: chassis with longitudinal engine ahead of the front axle •
K: chassis with longitudinal engine behind rearmost axle, centrally mounted •
L: chassis with longitudinal engine behind rearmost axle, inclined 60° to the left •
N: chassis with transverse engine behind rearmost axle, inclined 60° to the rear ;Engine series •
9: DSC9/DC9 •
11: DC11 •
12: DSC12/DC12 ;Development code •
4: 4-series ;Type of transport •
E: coach, long distance, high comfort (K chassis only) •
H: intercity, short to long distance, uneven surface (F chassis only) •
I: intercity, short to long distance, normal comfort •
U: urban, short distance, normal comfort ;Chassis adaption •
A: articulated bus •
B: normal bus •
D: double-decker bus ;Wheel configuration •
4X2: two-axle bus •
6X2: tri-axle bus •
6X2/2: tri-axle articulated bus •
6X2*4: tri-axle bus with steered tag axle behind drive axle •
6X2/4: tri-axle bus with steered tag axle in front of drive axle (one known example, see K94UB) •
8X2:
quad-axle bus (K IB chassis in Latin America only) ;Chassis height •
E: low front and rear (N chassis only) •
H: high front and rear (F chassis only) •
L: low front, normal rear •
N: normal front and rear ;Suspension •
A: leaf-spring suspension front and air suspension rear (F HA chassis only) •
B: air suspension front and rear, rigid front axle •
I: air suspension front and rear, independent front suspension (K EB chassis only) •
Z: leaf-spring suspension front and rear (F chassis only) ;Power code Approximation of the power rating in hp to the nearest ten. ==Engines==