A4VG变量泵
用于闭式回路；规格：28至250。
系列3：公称压力：400 bar；尖峰压力：450 bar。
特性：斜盘式轴向柱塞变量泵，用于闭式回路静液压传动、流量与驱动转速及排量成正比并可无级变量，流量随透摆角从零增加到其最大值；使斜盘摆过中位可以平稳改变液流流动方向，易与各种控制和调节系统匹配的多种变量方式。泵在高压油侧配备两个溢流阀来保护静液压传动（泵和马达）免于超载。高压溢流阀同时也具有补油阀的功能，内置辅助泵用作补油泵和控制砂泵，最高补油压力由一个内置补油溢流阀来限制，全系列带有内置压力切断阀泵车液压泵、泵车主油泵、泵车臂架泵、泵车配件，泵车油泵，砼泵配件
部分A4VG系列力士乐液压泵型号有:
A4VG125EP2D1/32R-NZF02F001DH
A4VG125EP2DM1/32L-NZF02F001S
A4VG125EP2DT1/32R-NZF02F001S
A4VG125HD1D1/32R-NZF02F001D
A4VG125HD1D2/32R-NSF02F071S
A4VG125HD1DM1/32L-NSF02F001S
A4VG125HD1MT1/32R-NSF02F021S
A4VG125HDMT1/32R-NSF02F691S
A4VG125HWD1/32L-NZX02F001S
A4VG125HWD1/32R-NZF02F071D-S
A4VG125HWD1/32R-NZF02F071D
A4VG125MSD1/32R-NSF02F021D
A4VG125EP4D1/32L-NAF02F691DP +A11VO95LRDS/10L-NSD12N00
A4VG125EP4D1/32R-NAF02F691DP +A11VO95LRDS/10R-NSD12N00
A4VG180EP4D1/32R-NTD02F691DP +A11VO130LRDS/10R-NSD12K01-S
A4VG180EP2DM1/32L-NZD02F001D
A4VG180DA2D2/32L-NSD02F001DT
A4VG180HD3DT1/32R-NZD02F01XS-SK
A4VG180EP4DT1/32L-NZD02F001PP
A4VG180DA2D2/32L-NZD02F001SH
A4VG180DA2D2/32R-NZD02F041SH
A4VG180HD9MTE/32R-NSD02F00
A4VG28EZ1DM1/32L-NZC10N005E
A4VG28HWD1/32R-NZC10N005E
A4VG40EZ1DM1/32L-NSC02F003S
A4VG56DA1D7/32R-NZC02F005SH
A4VG56DA1D7/32R-NZC02F005SH-ES
A4VG56DA1D7/32R-NZC02F005SH-ES
A4VG56DA2D2/32R-NZC02F013SH-S
A4VG56EP2D1/32R-NSC02F005SH-E
A4VG56HWD1/32R-NSC02F025S
4VG56HWDT1/32R-NSC02K023E-S
A4VG71DA1DT4/32R-NZF02F001DH