Excavator Cat 320 Main Pump Parts Hydraulic Piston For Caterpillar
Pressure Port Size, Shaft End:45.0 LB
Max. RPM [Max:Flange Mount
Major Diameter [Max:Left Hand (CCW)
Displacement Cover End (cu in/revolution):2520VQ21A11-11CB20L
Mounting:2 1/2
Shaft Key:Flange
Spline Description:N/A
GPM @ 1,800 rpm, Shaft End:Standard Pilot
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Product Details

Pressure Port Size, Shaft End45.0 LB
Max. RPM [MaxFlange Mount
Major Diameter [MaxLeft Hand (CCW)
Displacement Cover End (cu in/revolution)2520VQ21A11-11CB20L
Mounting2 1/2
Shaft KeyFlange
Spline DescriptionN/A
GPM @ 1,800 rpm, Shaft EndStandard Pilot
Shaft End Pressure [Max0.875 in
Cover End Flow @ RPM13 Tooth Splined
Relief Valve Setting2520VQ
Controlled Flow Rate1.375 in
Port Orientation - Cover EndBuna-N
Rotation2500
Pressure Port Size, Cover End0.715 in
WeightSAE B, 2 Bolt
Mounting FlangeSingle Shaft Seal
Displacement Shaft End (cu in/revolution)16/32
Shaft Seal Type2700
Seal Material2500
Manufacturer Part No.N/A
Cover End RPM [Max11 gal/min @ 1200 rpm, 16.5 gal/min @ 1800 rpm
GPM @ 1,800 rpm, Cover End0.873 in
Pilot Type0.872 in
Minor DiameterN/A
Minor Diameter [MaxN/A
Shaft End RPM [MaxN/A
Cover End Pressure [Max21 gal/min @ 1200 rpm, 31.5 gal/min @ 1800 rpm
Shaft Dia.2520VQ21A11-11CB20L
Integral Valve Configuration3000
Port Type3000
Shaft Type16.5
Model No.31.5
Shaft End Flow @ RPMw/o Integral Valves
Pump SeriesOutlet 45° CCW from Inlet
Major Diameter [MinOutlet Inline w/Inlet
Shaft Length3/4 in Flange
Port Orientation - Shaft End1 in Flange
Minor Diameter [Min2.22
Port Size4.12
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Company Profile

BTA Vane Pump Co., Ltd.
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