Hitachi ZW 180-6 Operator's Manual page 300

11. One point each to front and rear axle support pins (16
and 17).
--- every 10 hours
Front (16)
Rear (17)
12. One point to second (front) propeller shaft universal (18).
--- every 12000 hours
f
NOTE: When the machine is continuously operated under
severe conditions for a long time, shorten the greasing
intervals.
MAINTENANCE
7-28
17 16
18
MNEC-07-009
M4GB-07-013