Unit · AXIAL-PISTON PUMP

A4VG28HW1/30R-427158GR909427158

Axial piston pump Bosch Rexroth series A4VG, type code A4VG28HW1/30R-427158*G*, material number R909427158. Nominal size: NG 28. Axial piston unit: swashplate design, variable, nominal pressure 5800 psi (400 bar), maximum pressure 6500 psi (A4V). Operating mode: pump, closed circuit (G). Control device: proportional control hydraulic mechanical servo (HW). DA control valve: without DA control valve (1). Direction of rotation: viewed on drive shaft clockwise (R). High-pressure relief valve Setting range ∆pHD: high-pressure relief valve, pilot operated 1450 to 6100 psi with bypass (100 to 420 bar) (1).

Number: R909427158
Type code: A4VG28HW1/30R-427158*G*
Group: A4VG 28
Edition: 06/2020

Pos.	Number	Name	Qty
	R909434314	ROTARY GROUP Assembly parts list →L	1
2	R909600897	CONTROL Assembly parts list →L	1
	R909427145	CONNECTION PLATE Assembly parts list →L	1
6	R909600942	CONTROL MODULE Assembly parts list →L	1
	R909426341	HOUSING	1
9	R909426076	HOUSING COVER	1
10	R909414228	SCREW PLUG	2
11	R909414227	PIVOT PIN	2
	R909002380	COMPRESSION SPRING	2
13	R909154981	SETSCREW	1
	R909405732	POITIONING PIN	1
	R909422105	SEALD	1
	R909083018	SOCKET HEAD CAP SCREW	11
	R913016373	SLOTTED SPRING PIN	2
	R909152726	SEAL RINGD	2
	R909151694	SCREW PLUGD	3
21	R909151692	SCREW PLUGD	5
24	R909831318	DOUBLE BREAK-OFF PLUG	2
	R909153271	SEALING NUTD	1
29	R909156494	NOZZLE	2
	R909084302	SEAL RINGD	2

Parameters from the type code

Item	Meaning	Code
Axial piston unit	Swashplate design, variable, nominal pressure 5800 psi (400 bar), maximum pressure 6500 psi	A4V
Operating mode	Pump, closed circuit	G
Size (NG)	28	28
Control device	Proportional control hydraulic mechanical servo	HW
DA control valve	Without DA control valve	1
Direction of rotation	Viewed on drive shaft clockwise	R
High-pressure relief valve Setting range ∆pHD	High-pressure relief valve, pilot operated 1450 to 6100 psi with bypass (100 to 420 bar)	1