RH23.5 - CRAWLER EXCAVATORS - FROM SN 550001 TO SN 550500 (6/00-12/05) No Description Parts on group : Pos. Part No Qty Parts name Comments 1. NS [1] NOT SERVICED 3. 1768189 [4] SOCKET 990. 1285164 [AR] CONTROL BLOCK Parts catalog : 23.180[2283060002] - CONTROL VALVE INSTALL.MATERIAL part catalog new.New Holland 23.160[2444367001] - QUICK COUPLINGS part catalog new.New Holland 23.160[2444366001] - QUICK COUPLINGS part catalog new.New Holland 23.152[2495870000] - CHECK VALVE part catalog new.New Holland 23.142[2443928001] - STOP VALVE part catalog new.New Holland 23.122[2946097000] - BLOCKING VALVE PIPE-BREAK PROTEC part catalog new.New Holland 23.122[2141659001] - BLOCKING VALVE part catalog new.New Holland 23.122[1907762001] - BLOCKING VALVE part catalog new.New Holland 23.181[2939447002] - CONTROL VALVE MOUNTING PARTS part catalog new.New Holland 23.182[1707400002] - CONTROL VALVE part catalog new.New Holland 23.182[2141196001] - CONTROL VALVE part catalog new.New Holland 23.192[2495663000] - SWITCH-OVER VALVE part catalog new.New Holland 23.230[2496249000] - SOLENOID VALVE INSTALL.MATERIAL part catalog new.New Holland 23.230[2943478000] - SOLENOID VALVE INSTALL.MATERIAL part catalog new.New Holland 23.231[2284306001] - SOLENOID VALVE MOUNTING PARTS part catalog new.New Holland 23.231[2496250000] - SOLENOID VALVE MOUNTING PARTS part catalog new.New Holland
![23.181[2496116001] - CONTROL VALVE MOUNTING PARTS COMPLETE New Holland Parts scheme diagram](http://c1.a2109.com/nhp/91/9142/914254.png "23.181[2496116001] - CONTROL VALVE MOUNTING PARTS COMPLETE New Holland catalog part")
![new.New Holland 23.180[2283060002] - CONTROL VALVE INSTALL.MATERIAL part catalog](http://c1.a2109.com/_350/nhp/25/2525/25259.png "new.New Holland 23.180[2283060002] - CONTROL VALVE INSTALL.MATERIAL :")
![new.New Holland 23.160[2444367001] - QUICK COUPLINGS part catalog](http://c1.a2109.com/_350/nhp/13/1326/1326503.png "new.New Holland 23.160[2444367001] - QUICK COUPLINGS :")
![new.New Holland 23.160[2444366001] - QUICK COUPLINGS part catalog](http://c1.a2109.com/_350/nhp/68/6890/689073.png "new.New Holland 23.160[2444366001] - QUICK COUPLINGS :")
![new.New Holland 23.152[2495870000] - CHECK VALVE part catalog](http://c1.a2109.com/_350/nhp/57/5712/571245.png "new.New Holland 23.152[2495870000] - CHECK VALVE :")
![new.New Holland 23.142[2443928001] - STOP VALVE part catalog](http://c1.a2109.com/_350/nhp/65/6515/651552.png "new.New Holland 23.142[2443928001] - STOP VALVE :")
![new.New Holland 23.122[2946097000] - BLOCKING VALVE PIPE-BREAK PROTEC part catalog](http://c1.a2109.com/_350/nhp/87/8767/876729.png "new.New Holland 23.122[2946097000] - BLOCKING VALVE PIPE-BREAK PROTEC :")
![new.New Holland 23.122[2141659001] - BLOCKING VALVE part catalog](http://c1.a2109.com/_350/nhp/89/8929/892978.png "new.New Holland 23.122[2141659001] - BLOCKING VALVE :")
![new.New Holland 23.122[1907762001] - BLOCKING VALVE part catalog](http://c1.a2109.com/_350/nhp/45/4590/459072.png "new.New Holland 23.122[1907762001] - BLOCKING VALVE :")
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![new.New Holland 23.182[1707400002] - CONTROL VALVE part catalog](http://c1.a2109.com/_350/nhp/92/9249/924957.png "new.New Holland 23.182[1707400002] - CONTROL VALVE :")
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![new.New Holland 23.192[2495663000] - SWITCH-OVER VALVE part catalog](http://c1.a2109.com/_350/nhp/84/8435/84353.png "new.New Holland 23.192[2495663000] - SWITCH-OVER VALVE :")
![new.New Holland 23.230[2496249000] - SOLENOID VALVE INSTALL.MATERIAL part catalog](http://c1.a2109.com/_350/nhp/28/2861/28616.png "new.New Holland 23.230[2496249000] - SOLENOID VALVE INSTALL.MATERIAL :")
![new.New Holland 23.230[2943478000] - SOLENOID VALVE INSTALL.MATERIAL part catalog](http://c1.a2109.com/_350/nhp/15/1517/151758.png "new.New Holland 23.230[2943478000] - SOLENOID VALVE INSTALL.MATERIAL :")
![new.New Holland 23.231[2284306001] - SOLENOID VALVE MOUNTING PARTS part catalog](http://c1.a2109.com/_350/nhp/10/1024/1024868.png "new.New Holland 23.231[2284306001] - SOLENOID VALVE MOUNTING PARTS :")
![new.New Holland 23.231[2496250000] - SOLENOID VALVE MOUNTING PARTS part catalog](http://c1.a2109.com/_350/nhp/11/1196/1196035.png "new.New Holland 23.231[2496250000] - SOLENOID VALVE MOUNTING PARTS :")