Unit · AXIAL-PISTON PUMP

A28VLO280L4DRE21CPB/11MLVE4T31K0000-0R902567511

Axial piston pump Bosch Rexroth series A28VLO, type code A28VLO280L4DRE21CPB/11MLVE4T31K0000-0, material number R902567511. Axial piston unit 280: variable swashplate design, nominal pressure 350bar, maximum pressure 420 bar ● Unpainted (A28V). Operating mode 280: pump, open circuit With charge pump ● (LO). 2nd pump control device: identical to 1st pump (1). Depressurized basic position and external control pressure supply: basic position minimum swivel angle (Vg min), with external control pressure supply (integrated shuttle valve, standard for positive stroke control) (C). Connector for solenoids: DEUTSCH - molded connector, 2-pin, without suppressor diode (P). Swivel angle sensor: with electric Power supply 5 V DC swivel angle sensor (B). Version of port and fastening threads: metric connections, with O-ring seal based on ISO 6149 metric fastening threads according to DIN 13 (M). Sealing material: FKM (fluorocarbon rubber) (V). Mounting flange: SAE J744 165-4 (E4). Drive shaft: splined shaft ANSI B92.1a 2 1/4 in 17T 8/16 DP (T3). Speed sensor 280: without sensor (0). Standard/special version 280: standard version (0).

Number
R902567511
Type code
A28VLO280L4DRE21CPB/11MLVE4T31K0000-0
Group
A28VLO 280
Edition
06/2020

This parts list has no drawing.

Pos.NumberNameQtyAdd to inquiry
1R902533603HOUSING Assembly parts list →L1
2R902557702CONTROL Assembly parts list →L1
3R902558011CONTROL Assembly parts list →L1
4R902564535CONTROL VALVE Assembly parts list →L2
5R902566771RETURN GUIDE Assembly parts list →L1
6R902567573RETURN GUIDE Assembly parts list →L1
7R902451019SHUTTLE VALVE Assembly parts list →L2
8R902548787BEARING FLANGE Assembly parts list →L1
9R902567830BEARING FLANGE Assembly parts list →L1
10R902565483ROTARY GROUP Assembly parts list →L1
11R902565484ROTARY GROUP Assembly parts list →L1
12R902482200SWIVEL ANGLE SENSOR Assembly parts list →L2
13R902557528IMPELLER, RIGHT-HAND ROTATION1
14R909151259RETAINING RING1
15R909831663ROTARY SHAFT LIP SEAL1
18R902482882SPLINED COUPLING1
19R902559886DRIVE SHAFT1
20R902559887THROUGH DRIVE SHAFT1
21R902400588FLANGE COVER2
23R913038225FLANGE COVER1

Parameters from the type code

ItemMeaningCode
Axial piston unit 280Variable swashplate design, nominal pressure 350bar, maximum pressure 420 bar ● UnpaintedA28V
Operating mode 280Pump, open circuit With charge pump ●LO
2nd pump control deviceIdentical to 1st pump1
Depressurized basic position and external control pressure supplyBasic position minimum swivel angle (Vg min), with external control pressure supply (integrated shuttle valve, standard for positive stroke control)C
Connector for solenoidsDEUTSCH - molded connector, 2-pin, without suppressor diodeP
Swivel angle sensorWith electric Power supply 5 V DC swivel angle sensorB
Version of port and fastening threadsMetric connections, with O-ring seal based on ISO 6149 metric fastening threads according to DIN 13M
Sealing materialFKM (fluorocarbon rubber)V
Mounting flangeSAE J744 165-4E4
Drive shaftSplined shaft ANSI B92.1a 2 1/4 in 17T 8/16 DPT3
Speed sensor 280Without sensor0
Standard/special version 280Standard version0