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The Cross 50 series, hydraulic gear pumps feature a gear tooth design that provides more displacement within a given package size. Available in 7 sizes, with displacements from 1.52 to 5.20 cubic inches per revolution, this compact pump can deliver up to 45 gallons per minute in a space less than 6 1/2" x 5 3/4" x 7 1/4". Gear tooth design and pressure-balanced loading plates provide high volumetric and overall efficiency while operation at a low noise level. Standard Order - Many models in stock for immediate shipment

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Proudly made in the USA

50 Series

Cross pumps and motors feature advanced design concepts which provide long life, reliable operation and high volumetric efficiency. Pumps may be chain, belt or direct-driven by a gas engine or electric motor.*

Features:

Bi-directional rotation for motors.
Left, right or bi-directional rotation for pumps.
3000 psi (3500 psi max. shock press.)
3000 rpm max. continuous speed-(Limited to the maximum speed per chart below)
7/8 diameter shaft: 13 tooth spline or keyed
SAE "B" 2-bolt mounting.
SAE #16 (1") o-ring ports on bi-rotational pumps and motors.
SAE #24 (1 1/2") or SAE #20 (1 1/4") o-ring inlet with SAE #16 (1") o-ring outlet on single rotation pumps.

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OEMs - Customized Applications Cross can create custom hydraulics solutions for original equipment manufacturers.
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Pumps

Model	Displacement (cubic inch/revolution)	1000 (RPM) – Theoretical Flow Rate (GPM)	1500 (RPM) – Theoretical Flow Rate (GPM)	2000 (RPM) – Theoretical Flow Rate (GPM)	2500 (RPM) – Theoretical Flow Rate (GPM)	3000 (RPM) – Theoretical Flow Rate (GPM)
Model	Displacement (cubic inch/revolution)	1000 (RPM) – Theoretical Flow Rate (GPM)	1500 (RPM) – Theoretical Flow Rate (GPM)	2000 (RPM) – Theoretical Flow Rate (GPM)	2500 (RPM) – Theoretical Flow Rate (GPM)	3000 (RPM) – Theoretical Flow Rate (GPM)
50P015	1.52	5.9	8.8	11.8	14.5	17.9
50P019	1.95	7.6	11.4	15.2	19.0*	22.8*
50P023	2.32	9.0	136	18.1	22.6*	27.1*
50P027	2.74	10.7	16.0	21.4*	26.7*	32.0*
50P033	3.30	12.9	19.3*	25.7*	32.1*	38.6*
50P038	3.80	14.8	22.2*	29.6*	37.0*	—
50P052	5.20	20.3	30.4*	40.6*	—	—

Motors

Model	Displacement (cubic inch/revolution)	1000 (PSI) – Theoretical Output Torque (in lbs.)	1500 (PSI) – Theoretical Output Torque (in lbs.)	2000 (PSI) – Theoretical Output Torque (in lbs.)	2500 (PSI) – Theoretical Output Torque (in lbs.)	3000 (PSI) – Theoretical Output Torque (in lbs.)
Model	Displacement (cubic inch/revolution)	1000 (PSI) – Theoretical Output Torque (in lbs.)	1500 (PSI) – Theoretical Output Torque (in lbs.)	2000 (PSI) – Theoretical Output Torque (in lbs.)	2500 (PSI) – Theoretical Output Torque (in lbs.)	3000 (PSI) – Theoretical Output Torque (in lbs.)
50M015	1.52	194	290	387	484	581
50M019	1.95	248	373	497	621	745
50M023	2.32	296	443	591	739	887
50M027	2.74	349	524	698	873	1047
50M033	3.30	420	631	841	1051	1261
50M038	3.80	484	726	968	1210	1452
50M052	5.20	662	994	1325	1657	1987

*(Shaded area indicates that Single rotation pump with large inlet is required.)

**See Cross FM GPM9 for recommended installations. Premium quality anti-wear type oil with a viscosity between 100 and 200 SSU at operating temperatures is recommended. Do not use synthetic fluids. No liability or warranty is assumed for applications using fluids not meeting recommended specifications.