Unit · AXIAL-PISTON PUMP

A4VG280HT1D0000/40MLNE4T21F0000AD00-YR902274982

Axial piston pump Bosch Rexroth series A4VG, type code A4VG280HT1D0000/40MLNE4T21F0000AD00-Y, material number R902274982. Nominal size: NG 280. Axial piston unit: swashplate design, variable, nominal pressure 450 bar, maximum pressure 500 bar (A4V). Operating mode: pump, closed circuit (G). Control device: hydraulic control, direct operated (HT1). Pressure cut-off: pressure cut-off, with bypass Fixed setting, hydraulic, mechanical (D). Connector for solenoids: without connector (only for purely hydraulic control) (0). Swivel angle sensor: without swivel angle sensor (0). Additional function: without additional function (0). DA control valve (only for NG110 and 125): without DA control valve (0). Configuration of port and fastening threads: metric ports according to ISO 6149 with O-ring seal, metric fastening thread according to DIN (M). Direction of rotation: viewed on drive shaft counter-clockwise (L). Sealing material: NBR (nitrile rubber), shaft seal in FKM (fluoroelastomer) (N). Mounting flange: SAE J744 165-4 (E4). Drive shaft: splined shaft ANSI B92.1a–1976 2 in 15T 8/16DP (T2). Working port: SAE working port A and B, on left side (45° left) (1).

Number
R902274982
Type code
A4VG280HT1D0000/40MLNE4T21F0000AD00-Y
Group
A4VG 280
Edition
01/2020

This parts list has no drawing.

Pos.NumberNameQtyAdd to inquiry
1R902236679ROTARY GROUP Assembly parts list →L1
2R902132965CONTROL Assembly parts list →L1
3R902272344PUMP HOUSING Assembly parts list →L1
4R902222552INTERNAL GEAR PUMP Assembly parts list →L1
6R902199969BEARING FLANGE Assembly parts list →L1

Parameters from the type code

ItemMeaningCode
Axial piston unitSwashplate design, variable, nominal pressure 450 bar, maximum pressure 500 barA4V
Operating modePump, closed circuitG
Size (NG)280280
Control deviceHydraulic control, direct operatedHT1
Pressure cut-offPressure cut-off, with bypass Fixed setting, hydraulic, mechanicalD
Connector for solenoidsWithout connector (only for purely hydraulic control)0
Swivel angle sensorWithout swivel angle sensor0
Additional functionWithout additional function0
DA control valve (only for NG110 and 125)Without DA control valve0
Configuration of port and fastening threadsMetric ports according to ISO 6149 with O-ring seal, metric fastening thread according to DINM
Direction of rotationViewed on drive shaft counter-clockwiseL
Sealing materialNBR (nitrile rubber), shaft seal in FKM (fluoroelastomer)N
Mounting flangeSAE J744 165-4E4
Drive shaftSplined shaft ANSI B92.1a–1976 2 in 15T 8/16DPT2
Working portSAE working port A and B, on left side (45° left)1
Boost pump and rotary group configurationStandard rotary group boost pump integrated, standard internal gear pumpF
Through driveWithout through drive0000
High-pressure relief valveHigh-pressure relief valve, direct operated, fixed setting, with low-pressure relief valve, fixed settingA
Filtration boost circuit/external boost pressure supplyFiltration in the boost pump pressure line Ports for external boost circuit filtration (Fe and Fa)D
Pressure sensorWithout pressure sensor0
Other sensorsWithout sensor0
Standard / special versionStandard version with installation variants, e.g. T ports against standard open or closedY