320C Excavator hydraulic main pump 173-3381 1733381 10R-5277 10R5277
Port Type:45.0 LB
Seal Material:Flange Mount
Shaft Key:Left Hand (CCW)
Major Diameter [Min:2520VQ21A11-11DD20-LH
Shaft Type:2 1/2
Max. RPM [Max:Flange
Port Orientation - Cover End:N/A
Relief Valve Setting:Standard Pilot
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Product Details

Port Type45.0 LB
Seal MaterialFlange Mount
Shaft KeyLeft Hand (CCW)
Major Diameter [Min2520VQ21A11-11DD20-LH
Shaft Type2 1/2
Max. RPM [MaxFlange
Port Orientation - Cover EndN/A
Relief Valve SettingStandard Pilot
Mounting0.875 in
Cover End Pressure [Max13 Tooth Splined
Pilot Type2520VQ
Shaft End Pressure [Max1.375 in
Pressure Port Size, Shaft EndBuna-N
Pump Series2500
Shaft End Flow @ RPM0.715 in
Pressure Port Size, Cover EndSAE B, 2 Bolt
Cover End RPM [MaxSingle Shaft Seal
Rotation16/32
Spline Description2700
Port Size2500
Port Orientation - Shaft EndN/A
Controlled Flow Rate11 gal/min @ 1200 rpm, 16.5 gal/min @ 1800 rpm
Integral Valve Configuration0.873 in
Mounting Flange0.872 in
Shaft LengthN/A
Major Diameter [MaxN/A
Cover End Flow @ RPMN/A
Shaft Seal Type21 gal/min @ 1200 rpm, 31.5 gal/min @ 1800 rpm
Displacement Shaft End (cu in/revolution)2520VQ21A11-11DD20-LH
GPM @ 1,800 rpm, Shaft End3000
Displacement Cover End (cu in/revolution)3000
Minor Diameter [Max16.5
Weight31.5
Shaft End RPM [Maxw/o Integral Valves
Shaft Dia.Outlet 135° CW from Inlet
Model No.Outlet 90° CW from Inlet
Minor Diameter [Min3/4 in Flange
GPM @ 1,800 rpm, Cover End1 in Flange
Manufacturer Part No.2.22
Minor Diameter4.12
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Company Profile

BTA Vane Pump Co., Ltd.
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