Aluminum Pumps – HD Series

*PRODUCT IMAGE IS REPRESENTATIVE PROVIDED BY THE MANUFACTURER. DO NOT MAKE BUYING DECISIONS SOLEY BASED ON THE IMAGE. PLEASE VERIFY SPECIFICATIONS MEET YOUR REQUIREMENTS.

Parker’s 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

Technical Specifications – 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

Technical Specifications – 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.

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SKU	Availability	Price	Flow Rate	Maximum Flow Rate	Body Material	Maximum Operating Pressure	Division	Media	Pump Type	Operating Pressure	For Fluid Type	Operating Temperature	Filter Efficiency Rating	Maximum Continuous Pressure	Maximum Kinematic Viscosity	Weight	Displacement	Product Type	Operating Speed	Maximum Displacement	Rotation	Shaft Seal Material	Pressure Relief Setting (psig)	Porting	Shaft Type	Mounting Style	Overall Length (inch)	Pump Displacement (cu in/rev)
HD25AA1A05A	Backordered	POR	n/a	n/a	Aluminum	2500 psi	Pump & Motor Division	n/a	Gear	up to 2500 psi	Transmission Fluids	-40 to 185 °F	Maintain SAE Class 4	2500.0 psi	1000 SUS (Operating)	3.2 to 4.6 kg	1.84 inch3/rev	Model HD Pump with aluminum bearing sleeve, fixed displacement	500 to 4000 RPM	1.84/0.641 inch3/rev	CounterClockWise	NBR	n/a	UNF-2B SAE Straight Thread: 7/8-14 Inlet x 3/4-16 Outlet - SIDE	.750 Dia. Keyed w/1.56 extension	2-Bolt SAE A	7.52 (191.008 mm)	.114 (1.87 cc/rev)
HD25AA1A07A	Backordered	POR	n/a	n/a	Aluminum	2500 psi	Pump & Motor Division	n/a	Fixed	up to 2500 psi	Transmission Fluids	-40 to 185 °F	Maintain SAE Class 4	172.0 bar	1000 SUS (Operating)	7 to 10 lb	1.84 inch3/rev	Model HD Pump with aluminum bearing sleeve, fixed displacement	500 to 4000 RPM	30.18/10.5 cm3/rev	CounterClockWise	NBR	n/a	UNF-2B SAE Straight Thread: 7/8-14 Inlet x 3/4-16 Outlet - SIDE	.750 Dia. Keyed w/1.56 extension	2-Bolt SAE A	7.63 (193.802 mm)	.168 (2.76 cc/rev)
HD25AA1A11DV	Backordered	POR	n/a	n/a	Aluminum	2500 psi	Pump & Motor Division	n/a	Gear	up to 172 bar	Phosphate-ester	-40 to 185 °F	Maintain SAE Class 4	172.0 bar	1000 SUS (Operating)	7 to 10 lb	up to 30.18 cm3/rev	Model HD Pump with aluminum bearing sleeve, fixed displacement	500 to 4000 RPM	1.84/0.641 inch3/rev	CounterClockWise	FPM [FKM]	n/a	UNF-2B SAE Straight Thread: 7/8-14 Inlet x 3/4-16 Outlet - REAR	.750 Dia. Keyed w/1.56 extension	2-Bolt SAE A	7.75 (196.850 mm)	.262 (4.29 cc/rev)
HD25AA1A22A	Backordered	POR	n/a	n/a	Aluminum	2500 psi	Pump & Motor Division	n/a	Gear	up to 172 bar	Mineral Oil	-42 to 85 °C	Maintain SAE Class 4	2500.0 psi	Startup: 4000 SUS	7 to 10 lb	1.84 inch3/rev	Model HD Pump with aluminum bearing sleeve, fixed displacement	500 to 4000 RPM	30.18/10.5 cm3/rev	CounterClockWise	NBR	n/a	UNF-2B SAE Straight Thread: 7/8-14 Inlet x 3/4-16 Outlet - SIDE	.750 Dia. Keyed w/1.56 extension	2-Bolt SAE A	8.19 (208.026 mm)	.522 (8.55 cc/rev)
HD25AA2A05A	Backordered	POR	n/a	n/a	Aluminum	2500 psi	Pump & Motor Division	n/a	Fixed	up to 2500 psi	Petroleum Based Fluids	-40 to 185 °F	Maintain SAE Class 4	172.0 bar	Startup: 4000 SUS	3.2 to 4.6 kg	up to 30.18 cm3/rev	Model HD Pump with aluminum bearing sleeve, fixed displacement	500 to 4000 RPM	30.18/10.5 cm3/rev	Clockwise	NBR	n/a	UNF-2B SAE Straight Thread: 7/8-14 Inlet x 3/4-16 Outlet - SIDE	.750 Dia. Keyed w/1.56 extension	2-Bolt SAE A	7.52 (191.008 mm)	.114 (1.87 cc/rev)
HD25AA2A07A	Backordered	POR	n/a	n/a	Aluminum	2500 psi	Pump & Motor Division	n/a	Fixed	up to 172 bar	Mineral Oil	-42 to 85 °C	Maintain SAE Class 4	172.0 bar	Startup: 4000 SUS	3.2 to 4.6 kg	1.84 inch3/rev	Model HD Pump with aluminum bearing sleeve, fixed displacement	500 to 4000 RPM	1.84/0.641 inch3/rev	Clockwise	NBR	n/a	UNF-2B SAE Straight Thread: 7/8-14 Inlet x 3/4-16 Outlet - SIDE	.750 Dia. Keyed w/1.56 extension	2-Bolt SAE A	7.63 (193.802 mm)	.168 (2.76 cc/rev)
HD25AA2A09A	Backordered	POR	n/a	n/a	Aluminum	2500 psi	Pump & Motor Division	n/a	Fixed	up to 172 bar	Petroleum Based Fluids	-40 to 185 °F	Maintain SAE Class 4	172.0 bar	Startup: 4000 SUS	3.2 to 4.6 kg	1.84 inch3/rev	Model HD Pump with aluminum bearing sleeve, fixed displacement	500 to 4000 RPM	30.18/10.5 cm3/rev	Clockwise	NBR	n/a	UNF-2B SAE Straight Thread: 7/8-14 Inlet x 3/4-16 Outlet - SIDE	.750 Dia. Keyed w/1.56 extension	2-Bolt SAE A	7.67 (194.818 mm)	.210 (3.45 cc/rev)
HD25AA2A11AV	Backordered	POR	n/a	n/a	Aluminum	2500 psi	Pump & Motor Division	n/a	Gear	up to 172 bar	Phosphate-ester	-42 to 85 °C	Maintain SAE Class 4	172.0 bar	1000 SUS (Operating)	3.2 to 4.6 kg	up to 30.18 cm3/rev	Model HD Pump with aluminum bearing sleeve, fixed displacement	500 to 4000 RPM	1.84/0.641 inch3/rev	Clockwise	FPM [FKM]	n/a	UNF-2B SAE Straight Thread: 7/8-14 Inlet x 3/4-16 Outlet - SIDE	.750 Dia. Keyed w/1.56 extension	2-Bolt SAE A	7.75 (196.850 mm)	.262 (4.29 cc/rev)
HD25AA2A14A	3 in stock	POR	n/a	n/a	Aluminum	2500 psi	Pump & Motor Division	n/a	Gear	up to 2500 psi	Transmission Fluids	-40 to 185 °F	Maintain SAE Class 4	2500.0 psi	1000 SUS (Operating)	3.2 to 4.6 kg	up to 30.18 cm3/rev	Model HD Pump with aluminum bearing sleeve, fixed displacement	500 to 4000 RPM	30.18/10.5 cm3/rev	Clockwise	NBR	n/a	UNF-2B SAE Straight Thread: 7/8-14 Inlet x 3/4-16 Outlet - SIDE	.750 Dia. Keyed w/1.56 extension	2-Bolt SAE A	7.87 (199.898 mm)	.329 (5.38 cc/rev)
HD25AA2A17A	Backordered	POR	n/a	n/a	Aluminum	2500 psi	Pump & Motor Division	n/a	Fixed	up to 172 bar	Transmission Fluids	-42 to 85 °C	Maintain SAE Class 4	2500.0 psi	1000 SUS (Operating)	3.2 to 4.6 kg	up to 30.18 cm3/rev	Model HD Pump with aluminum bearing sleeve, fixed displacement	500 to 4000 RPM	30.18/10.5 cm3/rev	Clockwise	NBR	n/a	UNF-2B SAE Straight Thread: 7/8-14 Inlet x 3/4-16 Outlet - SIDE	.750 Dia. Keyed w/1.56 extension	2-Bolt SAE A	7.99 (202.946 mm)	.404 (6.62 cc/rev)
HD25AA2A22A	Backordered	POR	n/a	n/a	Aluminum	2500 psi	Pump & Motor Division	n/a	Gear	up to 2500 psi	Petroleum Based Fluids	-40 to 185 °F	Maintain SAE Class 4	172.0 bar	1000 SUS (Operating)	3.2 to 4.6 kg	up to 30.18 cm3/rev	Model HD Pump with aluminum bearing sleeve, fixed displacement	500 to 4000 RPM	30.18/10.5 cm3/rev	Clockwise	NBR	n/a	UNF-2B SAE Straight Thread: 7/8-14 Inlet x 3/4-16 Outlet - SIDE	.750 Dia. Keyed w/1.56 extension	2-Bolt SAE A	8.19 (208.026 mm)	.522 (8.55 cc/rev)
HD31AA1A07A	Backordered	POR	n/a	n/a	Aluminum	2500 psi	Pump & Motor Division	n/a	Fixed	up to 172 bar	Petroleum Based Fluids	-42 to 85 °C	Maintain SAE Class 4	2500.0 psi	Startup: 4000 SUS	7 to 10 lb	up to 30.18 cm3/rev	Model HD Pump with aluminum bearing sleeve, fixed displacement	500 to 4000 RPM	30.18/10.5 cm3/rev	CounterClockWise	NBR	n/a	UNF-2B SAE Straight Thread: 7/8-14 Inlet x 3/4-16 Outlet - SIDE	.750 Dia. Keyed w/1.56 extension	2-Bolt SAE A	7.74 (196.596 mm)	.168 (2.76 cc/rev)
HD31AA2A07A	Backordered	POR	n/a	n/a	Aluminum	2500 psi	Pump & Motor Division	n/a	Fixed	up to 172 bar	Mineral Oil	-42 to 85 °C	Maintain SAE Class 4	172.0 bar	Startup: 4000 SUS	3.2 to 4.6 kg	up to 30.18 cm3/rev	Model HD Pump with aluminum bearing sleeve, fixed displacement	500 to 4000 RPM	30.18/10.5 cm3/rev	Clockwise	NBR	n/a	UNF-2B SAE Straight Thread: 7/8-14 Inlet x 3/4-16 Outlet - SIDE	.750 Dia. Keyed w/1.56 extension	2-Bolt SAE A	7.74 (196.596 mm)	.168 (2.76 cc/rev)
HD31AA2A27A	Backordered	POR	n/a	n/a	Aluminum	2500 psi	Pump & Motor Division	n/a	Gear	up to 172 bar	Petroleum Based Fluids	-42 to 85 °C	Maintain SAE Class 4	2500.0 psi	1000 SUS (Operating)	3.2 to 4.6 kg	1.84 inch3/rev	Model HD Pump with aluminum bearing sleeve, fixed displacement	500 to 4000 RPM	1.84/0.641 inch3/rev	Clockwise	NBR	n/a	UNF-2B SAE Straight Thread: 7/8-14 Inlet x 3/4-16 Outlet - SIDE	.750 Dia. Keyed w/1.56 extension	2-Bolt SAE A	8.49 (215.646 mm)	.641 (10.50 cc/rev)
HD39AA1A07A	Backordered	POR	n/a	n/a	Aluminum	2500 psi	Pump & Motor Division	n/a	Gear	up to 2500 psi	Petroleum Based Fluids	-42 to 85 °C	Maintain SAE Class 4	2500.0 psi	Startup: 4000 SUS	7 to 10 lb	1.84 inch3/rev	Model HD Pump with aluminum bearing sleeve, fixed displacement	500 to 4000 RPM	1.84/0.641 inch3/rev	CounterClockWise	NBR	n/a	UNF-2B SAE Straight Thread: 7/8-14 Inlet x 3/4-16 Outlet - SIDE	.750 Dia. Keyed w/1.56 extension	2-Bolt SAE A	7.88 (200.152 mm)	.168 (2.76 cc/rev)
HD39AA1A17A	Backordered	POR	n/a	n/a	Aluminum	2500 psi	Pump & Motor Division	n/a	Gear	up to 2500 psi	Transmission Fluids	-42 to 85 °C	Maintain SAE Class 4	2500.0 psi	Startup: 4000 SUS	7 to 10 lb	up to 30.18 cm3/rev	Model HD Pump with aluminum bearing sleeve, fixed displacement	500 to 4000 RPM	1.84/0.641 inch3/rev	CounterClockWise	NBR	n/a	UNF-2B SAE Straight Thread: 7/8-14 Inlet x 3/4-16 Outlet - SIDE	.750 Dia. Keyed w/1.56 extension	2-Bolt SAE A	8.24 (209.296 mm)	.404 (6.62 cc/rev)
HD39AA1A27A	Backordered	POR	n/a	n/a	Aluminum	2500 psi	Pump & Motor Division	n/a	Gear	up to 2500 psi	Transmission Fluids	-40 to 185 °F	Maintain SAE Class 4	2500.0 psi	Startup: 4000 SUS	7 to 10 lb	up to 30.18 cm3/rev	Model HD Pump with aluminum bearing sleeve, fixed displacement	500 to 4000 RPM	1.84/0.641 inch3/rev	CounterClockWise	NBR	n/a	UNF-2B SAE Straight Thread: 7/8-14 Inlet x 3/4-16 Outlet - SIDE	.750 Dia. Keyed w/1.56 extension	2-Bolt SAE A	8.63 (219.202 mm)	.641 (10.50 cc/rev)
HD39AA2A07A	Backordered	POR	n/a	n/a	Aluminum	2500 psi	Pump & Motor Division	n/a	Gear	up to 2500 psi	Transmission Fluids	-40 to 185 °F	Maintain SAE Class 4	2500.0 psi	1000 SUS (Operating)	3.2 to 4.6 kg	1.84 inch3/rev	Model HD Pump with aluminum bearing sleeve, fixed displacement	500 to 4000 RPM	1.84/0.641 inch3/rev	Clockwise	NBR	n/a	UNF-2B SAE Straight Thread: 7/8-14 Inlet x 3/4-16 Outlet - SIDE	.750 Dia. Keyed w/1.56 extension	2-Bolt SAE A	7.88 (200.152 mm)	.168 (2.76 cc/rev)
HD39AA2A09A	3 in stock	POR	n/a	n/a	Aluminum	2500 psi	Pump & Motor Division	n/a	Gear	up to 2500 psi	Transmission Fluids	-40 to 185 °F	Maintain SAE Class 4	172.0 bar	1000 SUS (Operating)	3.2 to 4.6 kg	up to 30.18 cm3/rev	Model HD Pump with aluminum bearing sleeve, fixed displacement	500 to 4000 RPM	30.18/10.5 cm3/rev	Clockwise	NBR	n/a	UNF-2B SAE Straight Thread: 7/8-14 Inlet x 3/4-16 Outlet - SIDE	.750 Dia. Keyed w/1.56 extension	2-Bolt SAE A	7.92 (201.168 mm)	.210 (3.45 cc/rev)
HD39AA2A11N010	Backordered	POR	n/a	n/a	Aluminum	2500 psi	Pump & Motor Division	n/a	Fixed	up to 2500 psi	Mineral Oil	-40 to 185 °F	Maintain SAE Class 4	2500.0 psi	1000 SUS (Operating)	7 to 10 lb	up to 30.18 cm3/rev	Model HD Pump with aluminum bearing sleeve, fixed displacement	500 to 4000 RPM	30.18/10.5 cm3/rev	Clockwise	NBR	100 psi	UNF-2B SAE Straight Thread: 7/8-14 Inlet x 3/4-16 Outlet - REAR w/Relief Valve	.750 Dia. Keyed w/1.56 extension	2-Bolt SAE A	8.00 (203.200 mm)	.262 (4.29 cc/rev)

Aluminum Pumps – HD Series

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