Unit · AXIAL-PISTON PUMP

A4VG180MSD1/31R-PTD02F741SR909448926

Axial piston pump Bosch Rexroth series A4VG, type code A4VG180MSD1/31R-PTD02F741S, material number R909448926. Nominal size: NG 180. Axial piston unit: swashplate design, variable, nominal pressure 400 bar, maximum pressure 450 bar (A4V). Operating mode: pump, closed circuit (G). Pressure cut-off: pressure cut-off (D). DA control valve: without DA control valve (1). Direction of rotation: viewed on drive shaft clockwise (R). Drive shaft: splined shaft ANSI B92.1a for combination pump – 1st pump (T). Mounting flange: SAE J744 4-hole (D). Working port (port plate): SAE working port A and B, top and bottom suction port S bottom (02). Boost pump: integrated boost pump with and without through drive (F). High-pressure relief valve Setting range ∆pHD: high-pressure relief valve, pilot operated 100 … 420 bar with bypass (1). Filtration boost circuit/external boost pressure supply: filtration in the boost pump suction line (S).

Number
R909448926
Type code
A4VG180MSD1/31R-PTD02F741S
Group
A4VG 180
Edition
06/2020

This parts list has no drawing.

Pos.NumberNameQtyAdd to inquiry
1R909438510ROTARY GROUP Assembly parts list →L1
2R909437718CONTROL Assembly parts list →L1
3R909437703CONNECTION PLATE Assembly parts list →L1
4R909448830INTERNAL GEAR PUMP Assembly parts list →L1
10R909435244HOUSING1
12R909426148HOUSING COVER1
13R909426652PIVOT PIN1
14R909405732POITIONING PIN1
15R902118898PIVOT PIN1
20R909153862SCREW PLUGD1
22R909153816SCREW PLUGD1
24R909083229SCREW PLUG1
25R909085545O-RINGD1
26R909153572SCREW PLUG1
27R909831320DOUBLE BREAK-OFF PLUG2
28R909426703NOZZLE2
29R909830461O-RINGD1
30R909157348QUAD RINGD1
31R913016375SLOTTED SPRING PIN2
32R909151692SCREW PLUGD1
33R909153861SCREW PLUGD4
34R909083034SOCKET HEAD CAP SCREW8
35R909153364SCREW PLUGD1
46R909157393SETSCREW1
47R909152975SEALING NUTD1
48R909151694SCREW PLUGD1
49R909426708NOZZLE1
56R909433096CONNECTION PLATE Assembly parts list →L1
57R909433131TORQUE-PRESSURE CONTROL VALVE Assembly parts list →L1
58R909434476HYDRAULIC LINE Assembly parts list →L1
59R909448928HYDRAULIC LINE Assembly parts list →L1
60R909448929HYDRAULIC LINE Assembly parts list →L1

Parameters from the type code

ItemMeaningCode
Axial piston unitSwashplate design, variable, nominal pressure 400 bar, maximum pressure 450 barA4V
Operating modePump, closed circuitG
Size (NG)180180
Pressure cut-offPressure cut-offD
DA control valveWithout DA control valve1
Direction of rotationViewed on drive shaft clockwiseR
Drive shaftSplined shaft ANSI B92.1a for combination pump – 1st pumpT
Mounting flangeSAE J744 4-holeD
Working port (port plate)SAE working port A and B, top and bottom suction port S bottom02
Boost pumpIntegrated boost pump with and without through driveF
High-pressure relief valve Setting range ∆pHDHigh-pressure relief valve, pilot operated 100 … 420 bar with bypass1
Filtration boost circuit/external boost pressure supplyFiltration in the boost pump suction lineS