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4WE10HA3X/CW230N9K4 
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0811404046 4WRPH6C4B40P-2X/G24Z4/M     
0811404291 4WRVE16V200M-2X/G24K0/B5M     
R900728839 4WRZ 16 EA150-7X/6EG24N9ETK4/M
R900969686 4WRZ10E85-7X/6EG24N9K4/M
R900970812 4WRZ16E100-7X/6EG24N9ETK4/M 
R900975491 4WRZE 16 E150-7X/6EG24N9ETK31/A1D3M
4WRZE10W8-85-7X/6EG24N9ETK31/F1D3M
4WRZE10W8-85-7X/6EG24N9TK31/F1D3M
R910990406 A  A10VSO 10 DR  /52R-PPA14N00
R910908725 A  A10VSO 45 DFR1/31R-PPA12N00  
R902452431 A  A10VSO 71 DRS /32R-VPB22U99    -S2184
R910907403 A A10VSO 45 DR /31R-PPA12N00
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532002014 DRUCKBEGR.VENTIL 50-300 BAR
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R901099808 HED8OH2X/200K14 
齒輪泵是依靠泵缸與嚙合齒輪間所形成的工作容積變化和移動來輸送液體或使之增壓的回轉泵。由兩個齒輪、泵體與前后蓋組成兩個封閉空間，當齒輪轉動時，齒輪脫開側的空間的體積從小變大，形成真空，將液體吸入，齒輪嚙合側的空間的體積從大變小，而將液體擠入管路中去。吸入腔與排出腔是靠兩個齒輪的嚙合線來隔開的。齒輪泵的排出口的壓力完全取決于泵出口處阻力的大小。