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Description
Aftermarket 11 GPM Hydraulic Pump 9-7503-11Replacement part number: 9 7503 11, 9750311 Description: This dual stage hydraulic gear pump is built to handle intensive workloads with consistent reliability. Offering 3. 4 GPM at high pressure and 11 GPM at low pressure, its ideal for log splitters, presses, hydraulic power units, and more. Engineered for long service life and efficient operation, this unit is a powerful, compact solution for two stage hydraulic systems. Technical Specifications:
Replacement part number:
9-7503-11, 9750311Description:
This dual-stage hydraulic gear pump is built to handle intensive workloads with consistent reliability. Offering 3.4 GPM at high pressure and 11 GPM at low pressure, it’s ideal for log splitters, presses, hydraulic power units, and more. Engineered for long service life and efficient operation, this unit is a powerful, compact solution for two-stage hydraulic systems.
Technical Specifications:
Pump Type: Dual-Stage Gear
Displacement:
0.220 cu. in./rev (High-pressure stage)
0.757 cu. in./rev (Low-pressure stage)
Flow Rate:
3.4 GPM (High-pressure stage)
11 GPM (Low-pressure stage)
Max Pressure: 3000 PSI
Max Speed: 3600 RPM
Rotation: Clockwise (CW)
Shaft: 1/2' diameter x 1-1/2' length, keyed
Mounting Pattern: 4-bolt (USA Standard 4F17)
Unloader Valve Adjustment Range: 400 - 00 PSI
Overhung Shaft Load: Up to 90 lbs
Filtration Requirement: 25 micron
Inlet Port: 1' OD Hose Barb
Outlet Port: 1/2' NPT
Dimensions: 5-1/4' x 5-1/8' x 3-3/8'
Key Features:
Dual-Stage Efficiency Automatically switches between low-pressure high-flow and high-pressure low-flow modes to optimize performance
Robust Construction Built to withstand 3000 PSI and support up to 90 lbs of overhung shaft load
Flexible Unloader Range Adjustable unloader valve (400 - 00 PSI) allows for customized system control
Reliable Performance Designed for consistent speed up to 3600 RPM under demanding workloads
Easy Integration Standard 4F17 bolt pattern and keyed shaft ensure hassle-free installation
Clean Operation 25-micron filtration compatibility helps prevent system contamination and extends service life
Why Choose This Hydraulic Pump?
High Output, Compact Size Get more flow and pressure in a smaller footprint
Ideal for Log Splitters & Industrial Hydraulics Commonly used in 2-stage systems for rapid actuation
Easy Replacement Compatible with many standard mounting and shaft configurations
Reliable Under Load High shaft support and rugged internals extend operating lifespan
Versatile Performance Range Excellent balance between high-speed productivity and powerful pressure delivery
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 997 reviews
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Product Reviews
★★★★★ 5
so soft
Size: Twin, Color: Blush
Super Cute and soft!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
★★★★★ 1
3 washes and rough as a cob.
Size: King, Color: Teal, Size: King, Color: Teal
Got these about 2 months ago, the feel soft enough and fit well, think stretchy T shirt material, but after three washes they have pilled all over and become very rough. Just as bad as the two year old set I replaced with these. Will not purchase again.
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Reviewed in the United States on May 1, 2026
★★★★★ 5
Good for between seasons
Size: Twin, Color: Blush
Very nice jersey sheet set! The color is perfect and it washed well. The weather is too warm for flannel, but too cold for our regular knitted sheets. These sheets are thin but warm. The perfect “between seasons” weight to keep my toddler cozy at night. We’ll see how they hold up over time but so far so good. Very happy with my purchase!
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Reviewed in the United States on November 3, 2025
★★★★★ 5
Soft, Breathable Sheets That Feel Great to Sleep On
Size: Twin, Color: White
This Amazon Basics jersey sheet set was a really good purchase. The cotton material is soft, stretchy, and breathable — it feels like sleeping in a comfortable T‑shirt. The fitted sheet has a nice snug fit that stays in place, and the flat sheet is lightweight without feeling flimsy.
The fabric washes well, doesn’t pill, and stays soft after multiple loads. It’s a great everyday sheet set for anyone who likes that cozy, relaxed jersey feel. Overall, comfortable, easy to care for, and great value for the price.
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Reviewed in the United States on May 18, 2026
★★★★★ 5
The Perfect Sheets To Lie On While Writing Amazon Reviews
Size: Full, Color: Light Gray
As I write this, I am laying on an adjustable full sized bed by Hofish and a 10.5" comfort foam mattress by Classic Brands. I know I sound like I am an Amazon plant, but I swear I am not. I'm not even a stockholder anymore.
This is the most awesome bed stylings combination I have had in many, many years. In fact, it is the best I have ever owned and it is beat only by some ritzy resort I stayed at on vacation like 20 years ago, though I admit I was pretty drunk the entire time so my memory might not be the most accurate.
But getting back to today... these sheets are great. I washed them twice - I'm not a neat freak, I am just amazingly disorganized and easily distracted while doing laundry, so tonight they went though two wash cycles and one dry. And then I put them on the bed. While these sheets are not deep pocket sheets, they don't need to be with this mattress. There is enough room and border for them to tuck and wrap with the elastic to give a strong grip under the mattress, which is important as the adjustable frame continually put the sheets and mattress though its repeated adjustable calesthenics-type positioning. The other two sheet sets I have used since I got this bed have struggled poorly with this. In the day or so and at least a dozen position changes, these sheets stay in place with no popped corners to exposing the bowl as the head and feet rise. Of course, till will tell if it lasts, but so far they are the best of the batch of sheets in my closet.
As for texture, they are awesome. I'm a dude. I don't really know what thread count or knit or whatever really means. But these sheets feel like a well-washed favorite, quality rock & roll concert t-shirt. And not one of these glitter puff stupid new groups, like a real rock band from the 80s that now charges $250 for a concert ticket and $60 for a t-shirt...but that group you saw back then, paid $10 for the shirt and you STILL have it and love to wear it because it is perfectly molded to your body, soft and reliable. The kind of shirt you will wear under your suit at work and just grin not just for mental middle finger to corporate dress codes, but because the t-shirt is just that great of a feeling.
Well, that is what these sheets feel like. And now you get to sleep in it. It is that awesome.
In LA right now we are having a nasty heat wave, but these sheets don't seem to bake me even with my stuttering AC. The flannel sheets I love seem to trigger the butt sweats as soon as I lay down in this heat, but no such problem with these.
So really, I'm absolutely happy with these things. I am going to order more in other colors as soon as Amazon gets them back in stock. Great price, great quality, great comfort, great fit, great deal. It is that simple.
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Reviewed in the United States on September 3, 2017
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