The Rexroth A10VO28DRG/31R-VSC12K01 is a high-performance hydraulic piston pump specifically designed for heavy-duty applications such as the XCMG Crawler Crane. Built with premium 35SiMn alloy steel, this pump ensures exceptional durability, wear resistance, and reliability under extreme operating conditions. With 100% new components and precision engineering, it guarantees optimal performance for demanding hydraulic systems.
| Size | A8VO55 | A8VO80 | A8VO107 | A8VO140 | A8VO200 | ||
| Displacement | Vg max | cm3 | 2 x 54.8 | 2 x 80 | 2 x 107 | 2 x 140 | 2 x 200 |
| Vg min | cm3 | 0 | 0 | 0 | 0 | 0 | |
| Gear ratio i = ninput/nrotary groups | 1 | 1 | 1 | 1 | 1 | ||
| Input speed at Vg max 1) | nmax 1 | rpm | 2500 | 2240 | 2150 | 2100 | 1950 |
| at Vg ≤ Vg max2) | nmax | rpm | 3000 | 2750 | 2450 | 2450 | 2250 |
| Flow at nmax and Vg max | qv max | L/min | 2 x 137 | 2 x 179 | 2 x 230 | 2 x 294 | 2 x 390 |
| Power at nmax, Vgmax and Dp=350 bar | Pmax | kW | 160 | 209 | 268 | 294 3) | 325 3) |
| Input torque | Tmax | Nm | 611 | 891 | 1192 | 1337 3) | 1592 3) |
| Rotary stiffness (single rotary group)5) | cTW | Nm/rad | 11213 | 17985 | 25565 | 41408 | 39505 |
| cTW | Nm/rad | 41442 | 67666 | 89381 | 146677 | 156876 | |
| Moment of inertia for rotary group | JTW | kgm2 | 0.0161 | 0.0209 | 0.0345 | 0.0581 | 0.0849 |
| without power take-off (PTO) | JTW | kgm2 | 0.0126 | 0.0173 | 0.0288 | 0.05 | 0.075 |
| Angular acceleration (single rotary group)5) | a | rad/s2 | 25800 | 21800 | 17100 | 7500 | 11000 |
| Mass approx. | m | kg | 82 | 90 | 116 | 146 | 180 |
