Hyundai HL955 Manual page 63

④
Forward 4th Forward 4th
In 4th forward, 4th clutch (K4) and 3rd clutch (K3) are engaged.
4th clutch and 3rd clutch are actuated by the hydraulic pressure applied to the clutch piston.
KR
IN
KV
K4
K2
K1
K3
OUT
GEAR PATTERN
K1
K4
INPUT
3-12
KR
KV
K2
K3
OUTPUT
OUTPUT
7577APT07 F4