Hitachi ZW 370-6 Operator's Manual page 315

12. One point each to front and rear axle support pins (16
and 17).
--- every 10 hours
Front (17)
Rear (16)
13. One point to 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
7-21
16
17
18
95Z7B-7-22-1
95Z7B-7-22-2