SL10PB1-42/
SL10PB1-42/
R900454520 SL10GA3-42/
R900457386 SL10PB2-42/
R900457388 SL10PA1-42/V
R900474295 SL10GB2-42/
R900483370 SL10GA1-42/
R900483371 SL10PA1-42/
R900500093 SL20GB2-42/
R900500095 SL30PA1-42/V
R900500208 SL20PB2-42/
R900500296 SL15GA2-42/
R900500298 SL20GB1-42/
R900500527 SL20PB3-42/
R900500616 SL25GB2-42/
R900500618 SL30GA2-42/
如劃傷液壓元件運動副表面，加快相對運動零件的磨損，使泄漏增加；雜質將閥芯卡住，使閥芯動作失靈；雜質將安全閥或回油閥墊起而泄油，導致提升農具緩慢；可件不能正常工作；使油箱濾風堵塞，造成油泵吸空或系統超載；污物還會使油液變質快，失去良好的性能。據調查，液壓系統的故障至少有75%是由于油液中的雜質污物造成的。
R900500870 SL20PA2-42/V
R900500952 SL15GB1-42/
R900501547 SL20PA1-42/V
R900501652 SL30PA4-42/
R900502670 SL10GA2-42/V
R900503225 SL15GA1-42/V
R900503740 SL30PB2-42/
R900505807 SL30PB3-42/
R900508354 SL30PB1-42/V
R900509458 SL20PB1-42/V
R900513491 SL30PB4-42/
R900513545 SL20PB4-42/
R900514206 SL30PA2-42/V
R900514645 SL10PB2-42/V
R900514669 SL20PA4-42/V
R900518694 SL30PA3-42/V
R900527575 SL10PB4-42/V
R900528010 SL30GA2-42/V
R900537308 SL25GA2-42/V