Parker HD25AA1A07A
Fixed Displacement Gear Pump

Parker’s full line of high and low speed pumps provide power ranging up to 15,000 inch-pounds of torque with speeds ranging from 1/2 rpm to 13,000 rpm. A complete range of sizes is offered in gear, gerotor, vane and piston style operating configurations. Fixed and variable displacement motors are available. Parker hydraulic motors deliver excellent performance with high efficiency, true wear compensation and longer service life.

Parkers Aluminum Pump D Series fixed displacement gear pump offers high performance and high power density due to its aluminum construction.

Parkers Aluminum Pump HD Series fixed displacement gear pump offers high performance and high power density dues to its aluminum construction, making it an ideal selection for the Aerial, Agriculture, Construction, Forestry, Material Handling, and Turf Equipment markets. It is available as a standard pump, a pump with a primary circuit relief valve.

Markets:
Aerial
Agriculture Machinery
Construction Equipment
Forestry Equipment
Material Handling Equipment
Turf Equipment
Vocational & Municipal Equipment

Features/Benefits:
Three-piece construction for distribution flexibility
Aluminum pumping sections for light weight
Journal bushings for long life
Pressure balanced thrust blocks for high efficiency
Multiple sections available

Applications:
Power steering pumps priority valves available
Brake pump
Hydraulic Power Unit
Filter Cart Pump
Transfer pump
Lube pump

H Series front pump:
Flows from 2.52 GPM to 7.7 GPM per 1000 rpm
Sizes from 9.88 to 30.18 cc/rev (0.603 to 1.842 cir)
Operating pressures up to 172 bar (2,500 psi)
Speeds up to 4,000 rpm
CW, and CCW pumps available
SAE shafts, flanges and porting available

D Series rear pump:
Flows from .48 GPM to 2.71 GPM per 1000 rpm
Sizes from 1.87 to 10.5 cc/rev (0.114 to 0.641 cir)
Operating pressures up to 172 bar (2,500 psi)
Speeds up to 4,000 rpm
CW, and CCW pumps available
SAE shafts, flanges and porting available
Valve options available: Pressure relief.

Technical Specifications:
Maximum Displacement: 1.84/.641 inch3/rev, 30.18/10.5 cm3/rev
Media: N/A
Maximum Flow Rate: n/a
Maximum Operating Pressure: 2500 psi
Pump Type: Fixed, Gear
Body Material: Aluminium
Operating Pressure: Up to 2500 psi, Up to 172 bar
Flow Rate: NA
Displacement: Up to 30.18 cm3/rev, 1.84 inch3/rev
Product Type: “Model HD Pump, aluminum bearing sleeve, fixed displacement”
Operating Speed: 500 to 4000 RPM
Maximum Continuous Pressure: 2500 (172 bar)
Weight: 7-10 (3.2-4.6 Kg) lb
Filter Efficiency Rating: Maintain SAE Class 4
Operating Temperature: -40 to 185 (-42 C to 85 C) F
Mounting Style: 2-Bolt SAE A
Pump Displacement (cu in/rev): .168 (2.76 cc/rev)
For Fluid Type: Petroleum based fluid, Transmission fluid and Mineral Oil
Shaft Seal Material: NBR
Maximum Kinematic Viscosity: startup: 4000 operating: 1000 SUS
Rotation: CounterClockWise
Shaft Type: .750 Dia. Keyed w/1.56 extension
Porting: UNF-2B SAE Straight Thread: 7/8-14 Inlet x 3/4-16 Outlet – SIDE
Overall Length (inch): 7.63 (193.802 mm)
Pressure Relief Setting (psig): n/a

Please note that the product may not be exact to the image shown.