Bosch Rexroth | AA10VO100DFR131L-VUC61N00-SO381
AA10VO100DFR1/31L-VUC61N00-SO381
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The AA10VO100DFR1/31L-VUC61N00-SO381 pump belongs to the A10VSO Variable Pumps series from Bosch Rexroth and delivers variable-displacement flow for hydraulic automation circuits. A geometric displacement of 100 cm³ per revolution sets the basic volume moved each shaft turn, while an output of 47.5 gpm (180 L/min) at 1800 rpm shows its delivery rate at a common motor speed. The unit withstands a nominal pressure of 4000 psi (280 bar) to support continuous industrial duty, and its DFR1 control holds a differential pressure of 200 psi (14 bar) so remote compensators can maintain stable load sensing. Maximum shaft speed at full displacement is limited to 2000 rpm to protect rotating parts, yet reducing the displacement permits operation up to 2400 rpm for higher speed cycles. When driven at its highest speed the pump can supply 52.8 gpm (200 L/min), giving designers flexibility in circuit sizing. Fluid enters through a SAE 2 1/2 in suction port that minimizes inlet losses, and torque is transmitted by a splined 1 1/4 in 14T (12/24 DP) shaft that mates with standard drive couplings.
Peak system events can be handled because the housing tolerates 5100 psi (350 bar) for short durations without damage. Power draw reaches 113 hp (84 kW) at 1800 rpm and 280 bar, indicating the motor size required for full-pressure operation, and the corresponding output torque is 324 lb-ft (445 Nm) for accurate driveline selection. A filling capacity of 0.58 gal (2.2 L) ensures the case is primed for start-up lubrication, and excess leakage exits through a 1 1/16-12 UN-2B drain port that threads directly to common return plumbing. Pressure fluid is routed to the circuit via a SAE 1 1/4 in outlet, providing a large flow path that limits velocity and heat generation. The pump weighs 99 lb (45 kg) without fluid, a factor to consider for mounting brackets and mobile equipment frames.
Technical Specifications
Dfr1 Differential Pressure
200 psi (14 bar)
Drain Port Thread (l/l1)
1 1/16-12 UN-2B
Filling Capacity
0.58 gal (2.2 L)
Flow At 1800 Rpm
47.5 gpm (180 L/min)
Geometric Displacement
100 cm3/rev
Max Flow At Max Speed
52.8 gpm (200 L/min)
Max Speed At Vg Max
2000 rpm
Nominal Pressure
4000 psi (280 bar)
Peak Pressure
5100 psi (350 bar)
Permitted Speed At Vg < Vg Max
2400 rpm
Power At 1800 Rpm (280 Bar)
113 HP (84 kW)
Pressure Port Size (b)
SAE 1 1/4 in
Shaft End Type
Splined 1 1/4 in 14T (12/24 DP)
Suction Port Size (s)
SAE 2 1/2 in
Torque At 280 Bar
324 lb-ft (445 Nm)
Weight (without Fluid)
99 lb (45 kg)
1620 Old Apex Road
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