Backhoe Cylinder

How to calculate required GPM for hydraulic pump?

Looking to get a PTO driven hydraulic pump to run a 3pt backhoe on my tractor. How do I go about figuring out what size I need. The backhoe has fairly large cylinders on it. They are may be 2x larger than the ones on the loader which runs off the internal system and it operates very slow. It seems that common pto pumps come in 11 or 21 GPM. That seems to be quite a spread so I would like to get the correct one the first time. The tractor is rated at 40hp so I should have plenty of power at any RPM.

You determine it by calculating the volume of your cylinders and hydraulic hoses. Then decide how many times per minute you want your oil circulated and cooled based on how hard you intend to work the hoe. The bigger pump will do the same work as smaller one, but not the other way around.

LH Loader Bucket Cylinder 76mm ID by 522mm stroke Case 580K sk 590 Turbo Backhoe
LH Loader Bucket Cylinder 76mm ID by 522mm stroke Case 580K sk 590 Turbo Backhoe
$499.99
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RH Loader Bucket Cylinder 76mm ID by 522mm stroke Case 580K sk 590 Turbo Backhoe
RH Loader Bucket Cylinder 76mm ID by 522mm stroke Case 580K sk 590 Turbo Backhoe
$499.99
Time Remaining: 3h 45m
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T33669 New John Deere 410 Backhoe Boom Cylinder Bushing
T33669 New John Deere 410 Backhoe Boom Cylinder Bushing
$30.41
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Seal Kit for John Deere 300B Backhoe Swing Cylinder
Seal Kit for John Deere 300B Backhoe Swing Cylinder
$43.99
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New 480F  480FLL Case Backhoe Lift Cylinder Seal Kit 1543267C1
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$27.50
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RE17345 Various John Deere Backhoe Crawler Dozer Skidder Cylinder Seal Kits
RE17345 Various John Deere Backhoe Crawler Dozer Skidder Cylinder Seal Kits
$32.23
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251160 New Ford Backhoe Loader Crowd Cylinder Seal Kit 755 755A 755B Rod
251160 New Ford Backhoe Loader Crowd Cylinder Seal Kit 755 755A 755B Rod
$146.27
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1361908 Backhoe Boom Cylinder Seal Kit Fits Cat Caterpillar 436C 446 446B
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1361990 Backhoe Bucket Cylinder Seal Kit Fits Cat Caterpillar 416C 438C
1361990 Backhoe Bucket Cylinder Seal Kit Fits Cat Caterpillar 416C 438C
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G102835 New Case Backhoe Boom Cylinder Assembly 480C 480D 480E 480F LL
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$883.77
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NEW Bucket Cylinder Packing Kit Case International 580 SUPER K BACKHOE LOADER
NEW Bucket Cylinder Packing Kit Case International 580 SUPER K BACKHOE LOADER
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NEW Bucket Cylinder Packing Kit Case International 580 SUPER M BACKHOE LOADER
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1864362 Backhoe Stick Cylinder Seal Kit Fits Cat Caterpillar 416C
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1917753K Backhoe Boom Cylinder Seal Kit Fits Cat Caterpillar 416D
1917753K Backhoe Boom Cylinder Seal Kit Fits Cat Caterpillar 416D
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FORD TRACTOR OR BACKHOE 3550 DIESEL FUEL injector INJECTION PUMP NEW 3 cylinder
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$764.15
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A40962 Case Power Steering Steer Cylinder Tie Rod Ball joint 480C 580E Forklift
A40962 Case Power Steering Steer Cylinder Tie Rod Ball joint 480C 580E Forklift
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Bucket Hydraulic Cylinder Seal Kit For Massey Ferguson 54A Backhoe 1606737M93
Bucket Hydraulic Cylinder Seal Kit For Massey Ferguson 54A Backhoe 1606737M93
$94.24
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Dipper Hydraulic Cylinder Seal Kit For Massey Ferguson 52A Backhoe 1606737M93
Dipper Hydraulic Cylinder Seal Kit For Massey Ferguson 52A Backhoe 1606737M93
$94.24
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878000492 Komatsu Backhoe Bucket Cylinder Seal Kit WB140 2 WB150 2 WB150PS 2 +
878000492 Komatsu Backhoe Bucket Cylinder Seal Kit WB140 2 WB150 2 WB150PS 2 +
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85802571 New Holland Backhoe Stabilizer Cylinder Seal Kit 555E
85802571 New Holland Backhoe Stabilizer Cylinder Seal Kit 555E
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6598209 New Bobcat 909 Backhoe Swing Hydraulic Cylinder Rod Seal Kit 2 3 4 Dia
6598209 New Bobcat 909 Backhoe Swing Hydraulic Cylinder Rod Seal Kit 2 3 4 Dia
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309959 New Ford Backhoe Loader 740 Bucket Cylinder Seal Kit 1 1 2 Rod
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Power Steering Cylinder CAT Backhoes  214 5097 or 2145097
Power Steering Cylinder CAT Backhoes 214 5097 or 2145097
$349.00
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RH LH Loader Lift Cylinder 1980220C2 110857A1 Case 590 Turbo Backhoe
RH LH Loader Lift Cylinder 1980220C2 110857A1 Case 590 Turbo Backhoe
$599.99
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Extendahoe Dipper Extension Cylinder 1340853C2 Case 590 Turbo Backhoe
Extendahoe Dipper Extension Cylinder 1340853C2 Case 590 Turbo Backhoe
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Bucket Cylinder 89mm ID by 822mm stroke 1986902C2 Case 590 Turbo Backhoe
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$999.99
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$850.00
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JOHN DEERE NEW TAKE OFF 4X4 BACKHOE STEERING CYLINDER AT195570
$500.00
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110295A1 New Case Dipper Cylinder Barrel Tube 580K 580SK Backhoe 580 Super K
110295A1 New Case Dipper Cylinder Barrel Tube 580K 580SK Backhoe 580 Super K
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6557718 New Bobcat Backhoe Attachments Boom Cylinder Seal Kit 607 Rod
6557718 New Bobcat Backhoe Attachments Boom Cylinder Seal Kit 607 Rod
$12.64
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6557718 Bobcat Backhoe Attachments Dipper Cylinder Seal Kit 607 907 Rod
6557718 Bobcat Backhoe Attachments Dipper Cylinder Seal Kit 607 907 Rod
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2058655K Backhoe Boom Cylinder Seal Kit Fits Cat Caterpillar 430D
2058655K Backhoe Boom Cylinder Seal Kit Fits Cat Caterpillar 430D
$103.99
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2058656K Backhoe Stick Cylinder Seal Kit Fits Cat Caterpillar 430D
2058656K Backhoe Stick Cylinder Seal Kit Fits Cat Caterpillar 430D
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2060503K Backhoe Stick Cylinder Seal Kit Fits Cat Caterpillar 420D
2060503K Backhoe Stick Cylinder Seal Kit Fits Cat Caterpillar 420D
$39.97
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2107076K Backhoe Boom Cylinder Seal Kit Fits Cat Caterpillar 420E
2107076K Backhoe Boom Cylinder Seal Kit Fits Cat Caterpillar 420E
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2107077K Backhoe Stick Cylinder Seal Kit Fits Cat Caterpillar 416E
2107077K Backhoe Stick Cylinder Seal Kit Fits Cat Caterpillar 416E
$42.46
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2107078K Backhoe Stick Cylinder Seal Kit Fits Cat Caterpillar 416E
2107078K Backhoe Stick Cylinder Seal Kit Fits Cat Caterpillar 416E
$40.74
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2107081K Backhoe Stick Cylinder Seal Kit Fits Cat Caterpillar 420E
2107081K Backhoe Stick Cylinder Seal Kit Fits Cat Caterpillar 420E
$139.12
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2107082K Backhoe Stick Cylinder Seal Kit Fits Cat Caterpillar 420E
2107082K Backhoe Stick Cylinder Seal Kit Fits Cat Caterpillar 420E
$137.63
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6590898 New Bobcat Backhoe Attachments Tilt Cylinder Seal Kit 800 Series 909
6590898 New Bobcat Backhoe Attachments Tilt Cylinder Seal Kit 800 Series 909
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6590898 Bobcat Backhoe Attachments Boom Cylinder Seal Kit 800 Series Rod
6590898 Bobcat Backhoe Attachments Boom Cylinder Seal Kit 800 Series Rod
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6590898 New Bobcat Backhoe Attachments Dipstick Cylinder Seal Kit 800 Series
6590898 New Bobcat Backhoe Attachments Dipstick Cylinder Seal Kit 800 Series
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AH209022 New John Deere Backhoe Loader Bucket Cylinder Seal Kit 410J Rod
AH209022 New John Deere Backhoe Loader Bucket Cylinder Seal Kit 410J Rod
$38.65
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6590898 Bobcat Tilt 910 Backhoe on 825 Skid Steer Cylinder Seal Kit Rod
6590898 Bobcat Tilt 910 Backhoe on 825 Skid Steer Cylinder Seal Kit Rod
$31.50
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6590898 Bobcat Tilt 911 Backhoe on 843 Skid Steer Cylinder Seal Kit Rod
6590898 Bobcat Tilt 911 Backhoe on 843 Skid Steer Cylinder Seal Kit Rod
$31.50
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AHC11572 John Deere Backhoe Loader Swing Steering Cylinder Seal Kit 310K 644K +
AHC11572 John Deere Backhoe Loader Swing Steering Cylinder Seal Kit 310K 644K +
$52.24
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Boom Hydraulic Cylinder Seal Kit For Massey Ferguson 52A Backhoe 1607510M91
Boom Hydraulic Cylinder Seal Kit For Massey Ferguson 52A Backhoe 1607510M91
$94.99
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Boom Hydraulic Cylinder Seal Kit For Massey Ferguson 54A Backhoe 1607510M91
Boom Hydraulic Cylinder Seal Kit For Massey Ferguson 54A Backhoe 1607510M91
$94.99
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Bucket Hydraulic Cylinder Seal Kit For Massey Ferguson 54A Backhoe 1607677M91
Bucket Hydraulic Cylinder Seal Kit For Massey Ferguson 54A Backhoe 1607677M91
$76.59
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Dipper Hydraulic Cylinder Seal Kit For Massey Ferguson 54A Backhoe 1607725M91
Dipper Hydraulic Cylinder Seal Kit For Massey Ferguson 54A Backhoe 1607725M91
$87.14
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Long Boom Hydraulic Cylinder Seal Kit For Massey Ferguson 54A Backhoe 1607427M91
Long Boom Hydraulic Cylinder Seal Kit For Massey Ferguson 54A Backhoe 1607427M91
$104.95
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Long Dipper Hyd Cylinder Seal Kit For Massey Ferguson 54A Backhoe 1607730M91
Long Dipper Hyd Cylinder Seal Kit For Massey Ferguson 54A Backhoe 1607730M91
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Stabilizer Hyd Cylinder Seal Kit For Massey Ferguson 52A Backhoe 1607915M92
Stabilizer Hyd Cylinder Seal Kit For Massey Ferguson 52A Backhoe 1607915M92
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Stabilizer Hyd Cylinder Seal Kit For Massey Ferguson 54A Backhoe 1607915M92
Stabilizer Hyd Cylinder Seal Kit For Massey Ferguson 54A Backhoe 1607915M92
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2107091K Backhoe Stick Cylinder Seal Kit Fits Cat Caterpillar 430E
2107091K Backhoe Stick Cylinder Seal Kit Fits Cat Caterpillar 430E
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2235944 Backhoe Bucket Cylinder Seal Kit Fits Cat Caterpillar 420D
2235944 Backhoe Bucket Cylinder Seal Kit Fits Cat Caterpillar 420D
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2315021 Backhoe Bucket Cylinder Seal Kit Fits Cat Caterpillar 430D
2315021 Backhoe Bucket Cylinder Seal Kit Fits Cat Caterpillar 430D
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2435805 Backhoe Stick Cylinder Seal Kit Fits Cat Caterpillar 420D
2435805 Backhoe Stick Cylinder Seal Kit Fits Cat Caterpillar 420D
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2469885K Backhoe Boom Cylinder Seal Kit Fits Cat Caterpillar 416E
2469885K Backhoe Boom Cylinder Seal Kit Fits Cat Caterpillar 416E
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2689049K Backhoe Boom Cylinder Seal Kit Fits Cat Caterpillar 420E
2689049K Backhoe Boom Cylinder Seal Kit Fits Cat Caterpillar 420E
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2689051K Backhoe Boom Cylinder Seal Kit Fits Cat Caterpillar 430E
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2959887 Backhoe Boom Cylinder Seal Kit Fits Cat Caterpillar 430E
2959887 Backhoe Boom Cylinder Seal Kit Fits Cat Caterpillar 430E
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2959891 Backhoe Boom Cylinder Seal Kit Fits Cat Caterpillar 416E
2959891 Backhoe Boom Cylinder Seal Kit Fits Cat Caterpillar 416E
$45.78
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85804743 Ford Backhoe Bucket Cylinder Seal Kit 555E 575E 655E 675E Rod
85804743 Ford Backhoe Bucket Cylinder Seal Kit 555E 575E 655E 675E Rod
$51.69
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New Bucket Cylinder Kit for Case IH 580 SUPER K BACKHOE LOADER 1542923C2
New Bucket Cylinder Kit for Case IH 580 SUPER K BACKHOE LOADER 1542923C2
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3E3293 Backhoe Stick Cylinder Seal Kit Fits Cat Caterpillar 436C 446B
3E3293 Backhoe Stick Cylinder Seal Kit Fits Cat Caterpillar 436C 446B
$57.49
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3E3300 Backhoe Stick Cylinder Seal Kit Fits Cat Caterpillar 416 438
3E3300 Backhoe Stick Cylinder Seal Kit Fits Cat Caterpillar 416 438
$20.77
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3E8877 Backhoe Boom Cylinder Seal Kit Fits Cat Caterpillar 416B 438C
3E8877 Backhoe Boom Cylinder Seal Kit Fits Cat Caterpillar 416B 438C
$65.76
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3E8878 Backhoe Stick Cylinder Seal Kit Fits Cat Caterpillar 426B 436C
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6E0274K Backhoe Boom Cylinder Seal Kit Fits Cat Caterpillar 416D
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8T3591 Backhoe Boom Cylinder Seal Kit Fits Cat Caterpillar 426 428
8T3591 Backhoe Boom Cylinder Seal Kit Fits Cat Caterpillar 426 428
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1917839K New Cat Backhoe Loader Bucket Cylinder Seal Kit 416D 420D Rod
1917839K New Cat Backhoe Loader Bucket Cylinder Seal Kit 416D 420D Rod
$58.11
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85802569 Backhoe HED Cylinder Seal Kit Fits Ford 555E 575E 655E 675E
85802569 Backhoe HED Cylinder Seal Kit Fits Ford 555E 575E 655E 675E
$45.34
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admin posted at 2011-6-19 Category: Heavy Equipment