Replacement Cat Transmission Pump 3G4768 for Tractor 153 163 D6D D6E Power Shift

Major Diameter [Min:45.0 LB
Shaft Dia.:Flange Mount
Pilot Type:Left Hand (CCW)
Model No.:2520VQ21A11-1CB20LH
Spline Description:2 1/2
Shaft End RPM [Max:Flange
Manufacturer Part No.:3/16 in
Port Orientation - Shaft End:Standard Pilot
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Product Details

Major Diameter [Min45.0 LB
Shaft Dia.Flange Mount
Pilot TypeLeft Hand (CCW)
Model No.2520VQ21A11-1CB20LH
Spline Description2 1/2
Shaft End RPM [MaxFlange
Manufacturer Part No.3/16 in
Port Orientation - Shaft EndStandard Pilot
Minor Diameter [Min0.875 in
GPM @ 1,800 rpm, Cover EndStraight w/ Key
Pressure Port Size, Shaft End2520VQ
Seal Material1.9375 in
Cover End Pressure [MaxBuna-N
Displacement Cover End (cu in/revolution)2500
Pressure Port Size, Cover EndN/A
Shaft LengthSAE B, 2 Bolt
Port SizeSingle Shaft Seal
Minor DiameterN/A
Mounting2700
Pump Series2500
Mounting FlangeN/A
Rotation11 gal/min @ 1200 rpm, 16.5 gal/min @ 1800 rpm
Shaft End Pressure [MaxN/A
Shaft Seal TypeN/A
Max. RPM [MaxN/A
Minor Diameter [MaxN/A
Controlled Flow RateN/A
Major Diameter [Max21 gal/min @ 1200 rpm, 31.5 gal/min @ 1800 rpm
Shaft Type2520VQ21A11-1CB20LH
Weight3000
Integral Valve Configuration3000
Shaft Key16.5
Displacement Shaft End (cu in/revolution)31.5
Relief Valve Settingw/o Integral Valves
Cover End RPM [MaxOutlet 45° CCW from Inlet
GPM @ 1,800 rpm, Shaft EndOutlet Inline w/Inlet
Cover End Flow @ RPM3/4 in Flange
Port Orientation - Cover End1 in Flange
Shaft End Flow @ RPM2.22
Port Type4.12
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Company Profile

Phone 412-782-6276
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