Bosch Rexroth A7VO55 Conical Plunger Hydraulic Pump
- Product Details
- Product Model
- FAQ
A7VO55 is a Conical Plunger Hydraulic Pump.
Three Concrete Benefits of the Conical Design
1.Lower Bearing Stress: The resulting internal forces create better load distribution on the drive shaft bearings. In field tests, A7VO55 units often outlast comparable flat-swashplate pumps by 1.5x in high-vibration environments like excavators and pile drivers.
2.Cold-Start Reliability: Conical pistons tolerate higher viscosity oil during cold starts. Example: A forestry crane in Northern Canada at -20°C fired up without cavitation damage—something a standard pump wouldn't survive repeatedly.
3.Compact Power Density: The A7VO55 delivers 55 cc/rev displacement in a housing smaller than many 45 cc pumps. For OEMs designing tight engine compartments, every inch matters.
Control Options: Matching the Pump to Your Logic
Rexroth offers several hydraulic and electric controls for the A7VO55. Choose based on your system architecture:
DR (Pressure Compensator): Constant pressure control. Ideal for power units running multiple actuators.
LR (Load Sensing + Pressure Cut-off): Best for fuel-efficient mobile machines. The pump only delivers flow when demanded.
HD (Hydraulic Remote Control): For joystick-operated equipment like cranes or drill rigs.
EP (Electric Proportional): Connect directly to a PLC or CAN bus. Enables pump displacement control without a pilot oil line.
Pro tip: If your system already has a separate pilot oil supply (e.g., 20–30 bar), the HD control offers the fastest response time—under 100 ms from neutral to full displacement.
Maintenance & Failure Prevention (From Field Data)
The A7VO55 is robust, but it has two common failure modes. Here’s how to avoid them:
1.Shaft Seal Leakage
Cause: Restricted case drain line (pressure exceeds 2 bar absolute).
Fix: Ensure the case drain line runs directly to tank, with no valves or filters. Use a hose one size larger than the outlet port.
2.Conical Piston Scoring
Cause: Water-contaminated oil leading to micro-pitting.
Fix: Maintain ISO 4406 cleanliness code 18/16/13 or better. Use a beta-10 filter (ß10 ≥ 75). Sample oil every 1,000 hours in wet environments.
For more information on the A7VO55 hydraulic pump, please visit https://www.baolilaihydraulic.com/product/.
Specifications
| Size | NG | 28 | 55 | 80 | 107 | 160 | |||
| Displacement geometric, per revolution | Vg | cm3 | 28.1 | 54.8 | 80 | 107 | 160 | ||
| Speed maximum | at Vg max | nnom | rpm | 3150 | 2500 | 2240 | 2150 | 1900 | |
| at Vg<0.74⋅Vg max | nmax1 | rpm | 4250 | 3400 | 3000 | 2900 | 2560 | ||
| Speed maximum | nmax2 | rpm | 4750 | 3750 | 3350 | 3200 | 2850 | ||
| Flow at nnom and Vg max | qv | L/min | 89 | 137 | 179 | 230 | 304 | ||
| Power at nnom, Vg max and Δp=350 bar | P | kW | 52 | 80 | 105 | 134 | 177 | ||
| Torque at Vg max and Δp=350 bar | T | Nm | 156 | 305 | 446 | 596 | 891 | ||
| Rotary stiffness | Vgmax to Vg/2 | cmin | Nm/rad | 5548 | 10594 | 15911 | 21469 | 36073 | |
| Vg/2 to 0(interpolated) | cmax | Nm/rad | 16541 | 32103 | 48971 | 67666 | 104622 | ||
| Moment of inertia for rotary group | JGR | kgm2 | 0.0042 | 0.0042 | 0.0080 | 0.0127 | 0.0253 | ||
| Maximum angular acceleration | α | rad/s2 | 35900 | 31600 | 24200 | 19200 | 15300 | ||
| Case volume | V | L | 0.5 | 0.75 | 1.2 | 1.5 | 2.4 | ||
| Mass (approx.) | m | kg | 17 | 25 | 40 | 49 | 71 | ||
Selection Table

| A7VO55 hydraulic pump | |
| Model No. | Model Code |
| R909427859 | A7VO55DR/61L-DPB01 |
| R909429967 | A7VO55DR/61L-PPB01 |
| R909428220 | A7VO55DR/61L-PZB01 |
| R909603938 | A7VO55DR/61L-PZB01-S |
| R909605819 | A7VO55DR/61L-VPB01 |
| R909438658 | A7VO55DR/61R-NSD51-S |
| R909429965 | A7VO55DR/61R-PPB01 |
| R909427999 | A7VO55DR/61R-PZB01 |
| R909605168 | A7VO55DR/61R-VPB01 |
| R909611235 | A7VO55DR/63L-NPB01 |
| R902207279 | A7VO55DR/63L-NPB01 |
| R902237150 | A7VO55DR/63L-NPB01 |
| R902217573 | A7VO55DR/63L-NPB01 |
| R902050986 | A7VO55DR/63L-NSB01 |
| R909610379 | A7VO55DR/63L-NZB01 |
| R902227616 | A7VO55DR/63L-NZB01 |
| R902092752 | A7VO55DR/63L-NZB01-E |
| R902194254 | A7VO55DR/63L-NZB01-E |
| R902047193 | A7VO55DR/63L-NZB01-S |
| R902021866 | A7VO55DR/63L-NZB01-S |
| R902253607 | A7VO55DR/63L-VPB01 |
| R902042324 | A7VO55DR/63L-VZB01 |
| R902215142 | A7VO55DR/63L-VZB01 |
| R902229377 | A7VO55DR/63L-VZB01 |
| R902004167 | A7VO55DR/63R-NPB01 |
| R902231194 | A7VO55DR/63R-NPB01 |
| R902229036 | A7VO55DR/63R-NPB01 |
| R902226015 | A7VO55DR/63R-NPB01 |
| R902235092 | A7VO55DR/63R-NPB01 |
| R902233256 | A7VO55DR/63R-NPB01 |
| R902233176 | A7VO55DR/63R-NPB01 |
| R902218511 | A7VO55DR/63R-NPB01 |
| R902223148 | A7VO55DR/63R-NPB01 |
| R902222254 | A7VO55DR/63R-NPB01 |
| R902092626 | A7VO55DR/63R-NPB01-E |
| R902050976 | A7VO55DR/63R-NSB01 |
| R902000446 | A7VO55DR/63R-NSD51-S |
| R902036861 | A7VO55DR/63R-NSD51-S |
| R986110363 | A7VO55DR/63R-NSD51-S |
| R909610374 | A7VO55DR/63R-NZB01 |
| R902205856 | A7VO55DR/63R-NZB01 |
| R902243028 | A7VO55DR/63R-NZB01 |
| R902218506 | A7VO55DR/63R-NZB01 |
| R902222075 | A7VO55DR/63R-NZB01 |
| R902227627 | A7VO55DR/63R-NZB01 |
| R902092118 | A7VO55DR/63R-NZB01-E |
| R902092119 | A7VO55DR/63R-NZB01-E |
| R902036976 | A7VO55DR/63R-NZB01-S |
| R902043872 | A7VO55DR/63R-NZB01-S |
| R902065849 | A7VO55DR/63R-VPB01 |
| R902233931 | A7VO55DR/63R-VPB01 |
| R902253552 | A7VO55DR/63R-VPB01 |
| R902031606 | A7VO55DR/63R-VZB01 |
| R902226014 | A7VO55DR/63R-VZB01 |
| R902158760 | A7VO55DR/63R-VZB01-E |
| R909603132 | A7VO55DRG/61L-DZB01-S |
| R909437647 | A7VO55DRG/61L-PZB01 |
| R909611266 | A7VO55DRG/61L-PZB01-S |
| R909437696 | A7VO55DRG/61R-PZB01 |
| R909448190 | A7VO55DRG/61R-PZB01-S |
| R902078820 | A7VO55DRG/63L-NSB01 |
| R909610795 | A7VO55DRG/63L-NZB01 |
| R902237011 | A7VO55DRG/63L-NZB01 |
| R902011554 | A7VO55DRG/63L-NZB01-S |
| R902218504 | A7VO55DRG/63L-NZB01-Y |
| R902000430 | A7VO55DRG/63R-NPB01 |
| R902232630 | A7VO55DRG/63R-NPB01 |
| R902237054 | A7VO55DRG/63R-NPB01 |
| R902223439 | A7VO55DRG/63R-NPB01 |
| R909610696 | A7VO55DRG/63R-NZB01 |
| R902237012 | A7VO55DRG/63R-NZB01 |
| R902040340 | A7VO55DRG/63R-NZB01-S |
| R902207438 | A7VO55DRG/63R-NZB01-S |
| R902218503 | A7VO55DRG/63R-NZB01-Y |
| R902218501 | A7VO55DRG/63R-NZB01-Y |
| R902084228 | A7VO55DRG/63R-VZB01 |
| R909603135 | A7VO55DRM/61L-PPB01 |
| R909438960 | A7VO55DRM/61R-PPB01 |
| R902077146 | A7VO55DRM/63R-NPB01 |
| R909428221 | A7VO55DRS/61L-PZB01 |
| R909446289 | A7VO55DRS/61L-PZB01-S |
| R909428001 | A7VO55DRS/61R-PZB01 |
| R909447830 | A7VO55DRS/61R-PZB01-S |
| R909446288 | A7VO55DRS/61R-PZB01-S |
| R909441970 | A7VO55DRS/61R-WZB01 |
| R902099169 | A7VO55DRS/63L-NPB01 |
| R902011804 | A7VO55DRS/63L-NZB01 |
| R902226314 | A7VO55DRS/63L-NZB01 |
| R902196307 | A7VO55DRS/63L-NZB01 |
| R902226268 | A7VO55DRS/63L-NZB01 |
| R902222381 | A7VO55DRS/63L-NZB01 |
| R902189425 | A7VO55DRS/63R-NPB01 |
| R902033247 | A7VO55DRS/63R-NSD51-S |
| R902011663 | A7VO55DRS/63R-NZB01 |
| R902218623 | A7VO55DRS/63R-NZB01 |
| R902226468 | A7VO55DRS/63R-NZB01 |
| R902036898 | A7VO55DRS/63R-NZB01-S |
| R902049323 | A7VO55DRS/63R-VZB01 |
| R909603234 | A7VO55DRSX/61L-PZB01-S |
| R909603253 | A7VO55DRSX/61R-PZB01-S |
| R902068856 | A7VO55DRSX/63L-NZB01-S |
| R902011820 | A7VO55DRSX/63L-NZB01-S |
| R902222204 | A7VO55DRSX/63L-NZB01-S |
| R902011819 | A7VO55DRSX/63R-NZB01-S |
| R902067900 | A7VO55DRSX/63R-NZB01-S |
| R909603594 | A7VO55EP/61L-MPB01 |
| R909442522 | A7VO55EP/61L-NPB01 |
| R909438051 | A7VO55EP/61L-PPB01 |
| R909447282 | A7VO55EP/61R-PPB01 |
| R909446591 | A7VO55EP/61R-PZB01 |
| R902021822 | A7VO55EP/63L-NPB01 |
| R902050992 | A7VO55EP/63L-NSB01 |
| R909610381 | A7VO55EP/63L-NZB01 |
| R902235297 | A7VO55EP/63L-VSB01 |
| R902235298 | A7VO55EP/63L-VSB01 |
| R902196525 | A7VO55EP/63L-VSB01-S |
| R902223132 | A7VO55EP/63L-VSB01-S |
| R902006757 | A7VO55EP/63R-NPB01 |
| R902226334 | A7VO55EP/63R-NPB01 |
| R902241952 | A7VO55EP/63R-NPB01 |
| R902191978 | A7VO55EP/63R-NPB01-E |
| R902094655 | A7VO55EP/63R-NPB01-S |
| R902226174 | A7VO55EP/63R-NPB01-S |
| R902050982 | A7VO55EP/63R-NSB01 |
| R902249870 | A7VO55EP/63R-NZB01 |
| R909610376 | A7VO55EP/63R-NZB01 |
| R902217878 | A7VO55EP/63R-NZB01 |
| R902189095 | A7VO55EP/63R-NZB01-E |
| R902237281 | A7VO55EP/63R-VPB01 |
| R902000215 | A7VO55EP/63R-VZB01 |
| R902253663 | A7VO55EP2/63L-VPB01H |
| R902233369 | A7VO55EP2/63R-VPB01H |
| R909446324 | A7VO55EPD/61L-DPB01 |
| R909434608 | A7VO55EPD/61L-PPB01 |
| R909428223 | A7VO55EPD/61L-PZB01 |
| R909434641 | A7VO55EPD/61R-DPB01 |
| R909434607 | A7VO55EPD/61R-PPB01 |
| R909428214 | A7VO55EPD/61R-PZB01 |
| R909437413 | A7VO55EPDG/61L-DZB01 |
| R909603772 | A7VO55EPG/61L-PPB01 |
| R909442677 | A7VO55EPG/61R-PPB01 |
| R902040063 | A7VO55EPG/63L-NPB01 |
| R902107855 | A7VO55EPG/63L-NZB01 |
| R902191784 | A7VO55EPG/63R-NPB01 |
| R902206929 | A7VO55EPG/63R-NPB01 |
| R902215044 | A7VO55EPG/63R-NZB01 |
| R909604847 | A7VO55HD1/61R-PPB01 |
| R909610193 | A7VO55HD1/61R-PZB01 |
| R902050891 | A7VO55HD1/63L-NPB01 |
| R902050990 | A7VO55HD1/63L-NSB01 |
| R909610380 | A7VO55HD1/63L-NZB01 |
| R902107736 | A7VO55HD1/63L-VZB01 |
| R902222265 | A7VO55HD1/63L-VZB01 |
| R902050889 | A7VO55HD1/63R-NPB01 |
| R902050980 | A7VO55HD1/63R-NSB01 |
| R909610375 | A7VO55HD1/63R-NZB01 |
| R902170566 | A7VO55HD1/63R-NZB01 |
| R902229182 | A7VO55HD1/63R-NZB01 |
| R902218657 | A7VO55HD1/63R-NZB01 |
| R902162170 | A7VO55HD1/63R-VZB01 |
| R909448714 | A7VO55HD1D/61L-DZB01 |
| R909428903 | A7VO55HD1D/61L-PZB01 |
| R909428901 | A7VO55HD1D/61R-PZB01 |
| R902014312 | A7VO55HD1G/63L-NZB01 |
| R902139621 | A7VO55HD1G/63R-NPB01 |
| R909438490 | A7VO55HD2/61L-DZB01 |
| R909446323 | A7VO55HD2/61L-PPB01 |
| R909438488 | A7VO55HD2/61R-DZB01 |
| R902028947 | A7VO55HD2/63L-NZB01 |
| R909437393 | A7VO55HD2D/61L-DZB01 |
| R909603065 | A7VO55HD2D/61L-PZB01 |
| R909437391 | A7VO55HD2D/61R-DZB01 |
| R909448710 | A7VO55LR/61L-DZB01 |
| R909429966 | A7VO55LR/61L-PPB01 |
| R909428218 | A7VO55LR/61L-PZB01 |
| R909429963 | A7VO55LR/61R-PPB01 |
| R909427877 | A7VO55LR/61R-PZB01 |
| R902031713 | A7VO55LR/63L-NPB01 |
| R902050984 | A7VO55LR/63L-NSB01 |
| R909610377 | A7VO55LR/63L-NZB01 |
| R902231260 | A7VO55LR/63L-NZB01 |
| R902229005 | A7VO55LR/63L-NZB01 |
| R902227578 | A7VO55LR/63L-NZB01 |
| R902101227 | A7VO55LR/63L-VPB01 |
| R902004278 | A7VO55LR/63R-NPB01 |
| R902223306 | A7VO55LR/63R-NPB01 |
| R902211523 | A7VO55LR/63R-NPB01 |
| R902207303 | A7VO55LR/63R-NPB01 |
| R902243053 | A7VO55LR/63R-NPB01 |
| R902250539 | A7VO55LR/63R-NPB01 |
| R902226424 | A7VO55LR/63R-NPB01 |
| R902050974 | A7VO55LR/63R-NSB01 |
| R909610372 | A7VO55LR/63R-NZB01 |
| R902215254 | A7VO55LR/63R-NZB01 |
| R902218656 | A7VO55LR/63R-NZB01 |
| R902223135 | A7VO55LR/63R-NZB01 |
| R902045231 | A7VO55LR/63R-VZB01 |
| R902227586 | A7VO55LR/63R-VZB01 |
| R902014054 | A7VO55LR3/63R-NZB01 |
| R909442556 | A7VO55LR3E/61L-DPB01 |
| R909611243 | A7VO55LR3E/63L-NPB01 |
| R909441986 | A7VO55LRC/61L-PZB01 |
| R909428225 | A7VO55LRD/61L-PPB01 |
| R909429962 | A7VO55LRD/61L-PZB01 |
| R909604355 | A7VO55LRD/61L-PZB01-S |
| R902000230 | A7VO55LRD/61L-WPB01 |
| R909429964 | A7VO55LRD/61R-PPB01 |
| R909427997 | A7VO55LRD/61R-PZB01 |
| R909604356 | A7VO55LRD/61R-PZB01-S |
| R909603663 | A7VO55LRD/61R-VPB01 |
| R902000229 | A7VO55LRD/61R-WPB01 |
| R902040292 | A7VO55LRD/63L-NPB01 |
| R902050988 | A7VO55LRD/63L-NSB01 |
| R909610556 | A7VO55LRD/63L-NZB01 |
| R902227985 | A7VO55LRD/63L-NZB01 |
| R902215384 | A7VO55LRD/63L-NZB01 |
| R902223415 | A7VO55LRD/63L-NZB01 |
| R902021865 | A7VO55LRD/63L-NZB01-S |
| R902211764 | A7VO55LRD/63L-NZB01-S |
| R902250759 | A7VO55LRD/63L-VPB01 |
| R902063730 | A7VO55LRD/63L-VZB01 |
| R902018495 | A7VO55LRD/63R-NPB01 |
| R902217524 | A7VO55LRD/63R-NPB01 |
| R902196306 | A7VO55LRD/63R-NPB01 |
| R902239745 | A7VO55LRD/63R-NPB01 |
| R902233118 | A7VO55LRD/63R-NPB01 |
| R902237096 | A7VO55LRD/63R-NPB01 |
| R902217811 | A7VO55LRD/63R-NPB01 |
| R902218655 | A7VO55LRD/63R-NPB01 |
| R902217808 | A7VO55LRD/63R-NPB01 |
| R902092173 | A7VO55LRD/63R-NPB01-E |
| R902050978 | A7VO55LRD/63R-NSB01 |
| R909610555 | A7VO55LRD/63R-NZB01 |
| R902222477 | A7VO55LRD/63R-NZB01 |
| R902196248 | A7VO55LRD/63R-NZB01 |
| R902217786 | A7VO55LRD/63R-NZB01 |
| R902227603 | A7VO55LRD/63R-NZB01 |
| R902092879 | A7VO55LRD/63R-NZB01-E |
| R902227687 | A7VO55LRD/63R-VPB01 |
| R909447897 | A7VO55LRDG/61L-DZB01 |
| R902121587 | A7VO55LRDG/63L-NZB01 |
| R909605063 | A7VO55LRDH1/61L-PZB01 |
| R909605061 | A7VO55LRDH1/61R-PZB01 |
| R902024847 | A7VO55LRDH1/63L-NZB01 |
| R902245805 | A7VO55LRDH1/63L-NZB01 |
| R902110442 | A7VO55LRDH1/63R-NPB01 |
| R902009745 | A7VO55LRDH1/63R-NZB01 |
| R902227869 | A7VO55LRDH1/63R-NZB01 |
| R909446207 | A7VO55LRDH2/61R-MZB01 |
| R902115779 | A7VO55LRDH2/63L-NZB01 |
| R902034154 | A7VO55LRDH2/63R-NPB01 |
| R909434605 | A7VO55LRDH5/61R-PZB01 |
| R902038731 | A7VO55LRDH5/63R-NZB01 |
| R909434603 | A7VO55LRDM/61R-PZB01 |
| R909442121 | A7VO55LRDS/61L-PZB01 |
| R909604351 | A7VO55LRDS/61R-PPB01 |
| R909447252 | A7VO55LRDS/61R-PSB01-S |
| R909428216 | A7VO55LRDS/61R-PZB01 |
| R902028510 | A7VO55LRDS/63L-NZB01 |
| R902054706 | A7VO55LRDS/63L-NZB01-S |
| R902211892 | A7VO55LRDS/63L-NZB01-S |
| R902155672 | A7VO55LRDS/63L-NZB01-S |
| R902251899 | A7VO55LRDS/63L-NZB01-S |
| R902218654 | A7VO55LRDS/63L-NZB01-S |
| R902218653 | A7VO55LRDS/63L-NZB01-S |
| R902016597 | A7VO55LRDS/63R-NPB01 |
| R902011620 | A7VO55LRDS/63R-NZB01 |
| R902235481 | A7VO55LRDS/63R-NZB01 |
| R902248362 | A7VO55LRDS/63R-NZB01 |
| R902054709 | A7VO55LRDS/63R-NZB01-S |
| R902211510 | A7VO55LRDS/63R-NZB01-S |
| R902101245 | A7VO55LRDU/63R-NZB01 |
| R909427858 | A7VO55LRE/61L-DPB01 |
| R902102868 | A7VO55LRE/63L-NPB01-S |
| R902207338 | A7VO55LRE/63L-NPB01-S |
| R909605211 | A7VO55LRG/61L-PZB01 |
| R909437446 | A7VO55LRG/61R-PPB01 |
| R909434642 | A7VO55LRG/61R-PZB01 |
| R902016638 | A7VO55LRG/63R-NPB01 |
| R902024982 | A7VO55LRGH1/63R-NPB01 |
| R902027257 | A7VO55LRGH6/63L-NPB01 |
| R902067961 | A7VO55LRGU/63R-NPB01 |
| R909434209 | A7VO55LRH1/61L-PZB01 |
| R909446322 | A7VO55LRH1/61R-PPB01 |
| R909427862 | A7VO55LRH1/61R-PZB01 |
| R902027357 | A7VO55LRH1/63L-NPB01 |
| R909610378 | A7VO55LRH1/63L-NZB01 |
| R902014203 | A7VO55LRH1/63R-NPB01 |
| R902250631 | A7VO55LRH1/63R-NPB01 |
| R909610373 | A7VO55LRH1/63R-NZB01 |
| R902170380 | A7VO55LRH1/63R-NZB01 |
| R902218652 | A7VO55LRH1/63R-NZB01 |
| R909603683 | A7VO55LRH2/61R-PPB01 |
| R902047295 | A7VO55LRH2/63R-NZB01 |
| R909437193 | A7VO55LRH5/61L-PZB01 |
| R909437660 | A7VO55LRH5/61L-PZB01-S |
| R909434824 | A7VO55LRH5/61R-PZB01 |
| R902000235 | A7VO55LRH5/63L-NZB01 |
| R902004431 | A7VO55LRH5/63R-NZB01 |
| R909447740 | A7VO55LRM/61R-PPB01 |
| R909434601 | A7VO55LRM/61R-PZB01 |
| R909603988 | A7VO55LRU/61R-PPB01 |
| R902101573 | A7VO55LRU/63R-NPB01 |
| R992001749 | A7VO55DR/63R-NPB01 |
| R986120466 | A7VO55DR/63R-NSD51-S REMAN |
| R992001720 | A7VO55DR/63R-NZB01 |
| R992002024 | A7VO55DRG/63R-NZB01-Y |
| R902221982 | A7VO55LA1S/63R-NZB02 '542866' *EW* |
| R902230394 | A7VO55LA1S5/63R-NZB02 '542866' *EW* |
| R902235991 | A7VO55LA1S5/63R-NZB02-C '542866' *EW* |
| R902237047 | A7VO55LR/63R-NPB01Â Â |
| R902276574 | A7VO55LRH1/63R-NPB01 |
| R900572027 | A7VO 55 DR/63L-NPB01 |
| R900211585 | A7VO 55 EP/63L-NPB01 |
| R900058968 | A7VO 55 EP/63R-NZB01 |
| R900040148 | A7VO 55 EPG/63L-NPB01 |
| R900990274 | A7VO 55 HD1/63L-NZB01 |
| R900569969 | A7VO 55 HD1/63R-NZB01 |
| R900031502 | A7VO 55 LR/63R-NZB01 |
| R900078409 | A7VO 55 LRD/63R-VZB01 |
Q1:My pump is noisy at low rpm (<800). Is that normal?
A1:No. Conical piston pumps are quieter than swashplate designs. You likely have aeration (suction line leak) or viscosity that’s too high (>500 cSt). Check inlet vacuum—it should remain under 0.8 bar absolute.
Q2:Can I retrofit an A7VO55 into an old machine that had a different brand?
A2:Often yes, but you’ll need a mounting flange adapter (SAE or ISO) and a shaft coupling to match your existing prime mover. The control valve interface may also require custom pilot lines.
Q3:How to purchase an A7VO55 hydraulic pump?
A3:You can visit https://www.baolilaihydraulic.com/contact/ to contact us and purchase our products through various methods.
Q4:What is the price and delivery time of the A7VO55 hydraulic pump?
A4:The specific price and delivery time will be provided based on the specific model you provide.








