Enhanced Protection Mechanisms
Triple-redundant relief system (primary, secondary, and mechanical overload).
Accelerometer-based shock detection system.
Performance Enhancement Systems
Regenerative lift circuit reduces cycle times by 18%.
Temperature-compensated flow control maintains consistent speed in all climates.
This 521-8390 ripper lift cylinder is used for D9R D9T 854K dozer.
TRACK-TYPE TRACTOR
D9T D9 D9R D9 GC
183-7121
1J-2674
1P-4576
1U-1738
3B-8489
5J-3488
5P-7593
6V-9667
8T-1790
8T-3282
8T-4121
8T-6745
9T-5809
132-5122
346-5199
147-6116
3G-5999
346-5193
346-5199
421-4026
521-8401
3G-5999
119-8455
6V-5845
245-0596
