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.

1346409C2 Backhoe Bucket Cylinder Seal Kit Fits Case 95XT 1840 1845C
1346409C2 Backhoe Bucket Cylinder Seal Kit Fits Case 95XT 1840 1845C
$48.99
Time Remaining: 4h 49m
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Case 580K backhoe loader tilt cylinder rod
Case 580K backhoe loader tilt cylinder rod
$125.00
Time Remaining: 6h 31m

Pair John Deere 310A backhoe hydraulic swing cylinders JD 310AD cylinder
Pair John Deere 310A backhoe hydraulic swing cylinders JD 310AD cylinder
$600.00
Time Remaining: 7h
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D47896 Backhoe Swing Cylinder Seal Kit Fits Case 310G 480 480B 350 450
D47896 Backhoe Swing Cylinder Seal Kit Fits Case 310G 480 480B 350 450
$7.40
Time Remaining: 7h 4m
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CASE INTERNATIONAL CYLINDER SEAL KIT BACKHOE LOADER DOZER NEW
CASE INTERNATIONAL CYLINDER SEAL KIT BACKHOE LOADER DOZER NEW
$13.99
Time Remaining: 8h
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G109465 Backhoe Bucket Cylinder Seal Kit Fits Case 480D 480E
G109465 Backhoe Bucket Cylinder Seal Kit Fits Case 480D 480E
$34.77
Time Remaining: 10h 55m
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New Ford Tractor Loader Backhoe NH555 NH553 Complete Cylinder Head
New Ford Tractor Loader Backhoe NH555 NH553 Complete Cylinder Head
$715.17
Time Remaining: 12h 24m
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G109484 Backhoe Loader Lift Tilt Grapple Cylinder Seal Kit 480C 580C
G109484 Backhoe Loader Lift Tilt Grapple Cylinder Seal Kit 480C 580C
$23.33
Time Remaining: 12h 26m
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G109424 Backhoe Bucket Dipper Cylinder Seal Kit Fits Case 580D 580SE 850C W14
G109424 Backhoe Bucket Dipper Cylinder Seal Kit Fits Case 580D 580SE 850C W14
$35.76
Time Remaining: 12h 36m
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G110583 Backhoe Boom Cylinder Seal Kit Fits Case 580K 580SK 580 Super K
G110583 Backhoe Boom Cylinder Seal Kit Fits Case 580K 580SK 580 Super K
$95.85
Time Remaining: 12h 41m
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G32616 Backhoe Boom Cylinder Seal Kit Fits Case 530 310E 310F
G32616 Backhoe Boom Cylinder Seal Kit Fits Case 530 310E 310F
$23.36
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G109454 Backhoe Dipper Bucket Cylinder Seal Kit Fits Case 480C 580C W14 W14L
G109454 Backhoe Dipper Bucket Cylinder Seal Kit Fits Case 480C 580C W14 W14L
$25.07
Time Remaining: 13h 5m
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Ford 550  555 Loader Backhoe Service Manual 3 Cylinder 201 Diesel  Gas
Ford 550 555 Loader Backhoe Service Manual 3 Cylinder 201 Diesel Gas
$139.99
Time Remaining: 15h 40m
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234141A2 New Case IH Backhoe Dipper Stick Arm Cylinder Gland 580L 580M
234141A2 New Case IH Backhoe Dipper Stick Arm Cylinder Gland 580L 580M
$196.48
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309948 New Ford Backhoe Loader BH Crowd Cylinder Seal Kit 550 650 655 755 6500
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$63.71
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309949 Ford Backhoe Bucket Cylinder Seal Kit 550 650 655 753 755 5500 5550 6500
309949 Ford Backhoe Bucket Cylinder Seal Kit 550 650 655 753 755 5500 5550 6500
$59.09
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84154317 Case Backhoe 580M 590SM 580M Series III Stabilizer Cylinder Seal Kit
84154317 Case Backhoe 580M 590SM 580M Series III Stabilizer Cylinder Seal Kit
$46.77
Time Remaining: 18h 21m
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NH 85802570 New Holland Backhoe Swing Cylinder Seal Kit 555E LB75
NH 85802570 New Holland Backhoe Swing Cylinder Seal Kit 555E LB75
$51.12
Time Remaining: 18h 24m
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Vermeer Back Hoe Swing Cylinder Set V855 V8100 v7000 ARX 1250
Vermeer Back Hoe Swing Cylinder Set V855 V8100 v7000 ARX 1250
$250.00
Time Remaining: 18h 28m
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991 00123 JCB Backhoe Loader Lift Cylinder Seal Kit 3D 214 1400B 1550B 1700B +
991 00123 JCB Backhoe Loader Lift Cylinder Seal Kit 3D 214 1400B 1550B 1700B +
$32.56
Time Remaining: 18h 43m
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John Deere 410 B C D loader backhoe Swing Carriage Cylinder PtAH14872
John Deere 410 B C D loader backhoe Swing Carriage Cylinder PtAH14872
$500.00
Time Remaining: 21h 39m
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991 00036 JCB Backhoe Loader Steering 2WD  4WD Cylinder Seal Kit 1400 3CX 4CN +
991 00036 JCB Backhoe Loader Steering 2WD 4WD Cylinder Seal Kit 1400 3CX 4CN +
$20.75
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D42878 Case Backhoe Crawler Boom Cylinder Seal Kit 310G 580 680C 750 1150 W7C +
D42878 Case Backhoe Crawler Boom Cylinder Seal Kit 310G 580 680C 750 1150 W7C +
$10.62
Time Remaining: 22h 41m
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991 00061 JCB Backhoe Loader Lift Cylinder Seal Kit 3CX 3CX Sitemaster 4CN +
991 00061 JCB Backhoe Loader Lift Cylinder Seal Kit 3CX 3CX Sitemaster 4CN +
$48.74
Time Remaining: 22h 42m
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991 00099 JCB Backhoe Loader Stabilizer 2WD Steering Cylinder Seal Kit 214E 3D +
991 00099 JCB Backhoe Loader Stabilizer 2WD Steering Cylinder Seal Kit 214E 3D +
$25.03
Time Remaining: 23h 14m
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991 00145 New JCB Backhoe Loader Stabilizer Cylinder Seal Kit 214 214E 215S +
991 00145 New JCB Backhoe Loader Stabilizer Cylinder Seal Kit 214 214E 215S +
$32.57
Time Remaining: 23h 15m
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991 10151 JCB Backhoe Loader Slew Swing Cylinder Seal Kit 2CX Midi CX
991 10151 JCB Backhoe Loader Slew Swing Cylinder Seal Kit 2CX Midi CX
$12.69
Time Remaining: 23h 33m
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L108156 New Case Backhoe Loader 680H 680K Swing Cylinder to Swing Tower Pin
L108156 New Case Backhoe Loader 680H 680K Swing Cylinder to Swing Tower Pin
$88.66
Time Remaining: 1d 50m
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G109470 Case Backhoe Stabilizer Cylinder Seal Kit 480C W14 W14L W14H Rod
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$21.61
Time Remaining: 1d 8h 25m
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Hydraulic Bucket Cylinder Seal Kit John Deere 401D Loader Backhoe RE19217
Hydraulic Bucket Cylinder Seal Kit John Deere 401D Loader Backhoe RE19217
$56.66
Time Remaining: 1d 16h 33m
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182445A1 Case 580K 580L 580M Backhoe Brake Master Cylinder New D143162 D141150
182445A1 Case 580K 580L 580M Backhoe Brake Master Cylinder New D143162 D141150
$127.49
Time Remaining: 1d 20h 45m
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Fits 2332622 New Caterpillar Backhoe Loader Swing Cylinder Seal Kit 416D 420D +
Fits 2332622 New Caterpillar Backhoe Loader Swing Cylinder Seal Kit 416D 420D +
$44.81
Time Remaining: 1d 20h 57m
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1543270C1 Dozer Angle Cylinder Seal Kit Fits Case 850E 855E BH Stabilizer 680L
1543270C1 Dozer Angle Cylinder Seal Kit Fits Case 850E 855E BH Stabilizer 680L
$43.29
Time Remaining: 1d 21h 26m
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D37360 Dozer Angling Cylinder Seal Kit Fit Case 750 850 W Backhoe 32 33 34 35 36
D37360 Dozer Angling Cylinder Seal Kit Fit Case 750 850 W Backhoe 32 33 34 35 36
$20.56
Time Remaining: 1d 21h 26m
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G110672 G110673 Stabilizer Cylinder Assembly RH LH Fits Case Backhoe 580K
G110672 G110673 Stabilizer Cylinder Assembly RH LH Fits Case Backhoe 580K
$838.73
Time Remaining: 1d 21h 39m
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D42877 Backhoe Bucket Cylinder Seal Kit Fits Case W7 680 680B 680CK 750 850 1150
D42877 Backhoe Bucket Cylinder Seal Kit Fits Case W7 680 680B 680CK 750 850 1150
$10.73
Time Remaining: 1d 21h 51m
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CNH 189657A2 BOOM CYLINDER PISTON FOR 580L 580M BACKHOE
CNH 189657A2 BOOM CYLINDER PISTON FOR 580L 580M BACKHOE
$72.99
Time Remaining: 1d 22h 46m
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D42874 Various Cylinder Seal Kit Fits Case 310G 350 450 750 680CK W26B 430 480
D42874 Various Cylinder Seal Kit Fits Case 310G 350 450 750 680CK W26B 430 480
$8.06
Time Remaining: 1d 23h 52m
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D42878 Backhoe Boom Dipper Cylinder Seal Kit Fits Case W7 680 680B 680CK 310G
D42878 Backhoe Boom Dipper Cylinder Seal Kit Fits Case W7 680 680B 680CK 310G
$10.61
Time Remaining: 1d 23h 52m
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FORD TRACTOR OR BACKHOE 4600 DIESEL FUEL injector INJECTION PUMP NEW 3 cylinder
FORD TRACTOR OR BACKHOE 4600 DIESEL FUEL injector INJECTION PUMP NEW 3 cylinder
$764.15
Time Remaining: 2d
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FORD TRACTOR OR BACKHOE 3500 DIESEL FUEL injector INJECTION PUMP NEW 3 cylinder
FORD TRACTOR OR BACKHOE 3500 DIESEL FUEL injector INJECTION PUMP NEW 3 cylinder
$764.15
Time Remaining: 2d 1m
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FORD TRACTOR OR BACKHOE 2310 DIESEL FUEL injector INJECTION PUMP NEW 3 cylinder
FORD TRACTOR OR BACKHOE 2310 DIESEL FUEL injector INJECTION PUMP NEW 3 cylinder
$764.15
Time Remaining: 2d 4m
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FORD TRACTOR OR BACKHOE 2610 DIESEL FUEL injector INJECTION PUMP NEW 3 cylinder
FORD TRACTOR OR BACKHOE 2610 DIESEL FUEL injector INJECTION PUMP NEW 3 cylinder
$764.15
Time Remaining: 2d 5m
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FORD TRACTOR OR BACKHOE 2810 DIESEL FUEL injector INJECTION PUMP NEW 3 cylinder
FORD TRACTOR OR BACKHOE 2810 DIESEL FUEL injector INJECTION PUMP NEW 3 cylinder
$764.15
Time Remaining: 2d 6m
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G105547 Backhoe Boom Cylinder Seal Kit Fits Case 450 450B 450C 455B 455C 850 W30
G105547 Backhoe Boom Cylinder Seal Kit Fits Case 450 450B 450C 455B 455C 850 W30
$20.68
Time Remaining: 2d 55m
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G105555 Backhoe Swing Cylinder Seal Kit Fits Case 350 350B 450 450B 450C 455B
G105555 Backhoe Swing Cylinder Seal Kit Fits Case 350 350B 450 450B 450C 455B
$26.62
Time Remaining: 2d 55m
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G34636 Backhoe Boom Bucket Cylinder Seal Kit Fits Case 310G 350 350B 680E W14H
G34636 Backhoe Boom Bucket Cylinder Seal Kit Fits Case 310G 350 350B 680E W14H
$27.70
Time Remaining: 2d 55m
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1980460C2 Backhoe Boom Cylinder Assembly fits Case 580K
1980460C2 Backhoe Boom Cylinder Assembly fits Case 580K
$1,208.98
Time Remaining: 2d 8h 19m
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1543391C1 Backhoe Boom Cylinder Assembly fits Case 580SK
1543391C1 Backhoe Boom Cylinder Assembly fits Case 580SK
$1,177.98
Time Remaining: 2d 8h 59m
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AH209080 Backhoe Bucket Cylinder Assembly fits John Deere 310E 310G
AH209080 Backhoe Bucket Cylinder Assembly fits John Deere 310E 310G
$1,152.09
Time Remaining: 2d 9h 41m
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1864404 New Cat Backhoe Loader Stabilizer Cylinder Seal Kit 416C Rod
1864404 New Cat Backhoe Loader Stabilizer Cylinder Seal Kit 416C Rod
$32.42
Time Remaining: 2d 14h 6m
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FP460 Ford Backhoe Swing Cylinder Seal Kit 455C 455D 555C 555D 575D 655C 655D +
FP460 Ford Backhoe Swing Cylinder Seal Kit 455C 455D 555C 555D 575D 655C 655D +
$68.84
Time Remaining: 2d 16h 59m
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G110582 New Case Backhoe Loader Dipper Cylinder Seal Kit 580 Super K Rod
G110582 New Case Backhoe Loader Dipper Cylinder Seal Kit 580 Super K Rod
$36.70
Time Remaining: 2d 17h 30m
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RE20428 John Deere Backhoe Crawler Steering Cylinder Seal Kit 450G 544E 544G +
RE20428 John Deere Backhoe Crawler Steering Cylinder Seal Kit 450G 544E 544G +
$29.41
Time Remaining: 2d 17h 48m
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D42872 Case Backhoe Loader Boom Bucket Cylinder Rod Seal Kit 310G 430 480 530
D42872 Case Backhoe Loader Boom Bucket Cylinder Rod Seal Kit 310G 430 480 530
$8.07
Time Remaining: 2d 18h 40m
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AR105281 John Deere Backhoe Loader Boom Cylinder Seal Kit 500B 510 Rod
AR105281 John Deere Backhoe Loader Boom Cylinder Seal Kit 500B 510 Rod
$129.69
Time Remaining: 2d 19h 14m
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131750A2 Backhoe Bucket Cylinder Seal Kit Fits Case 580L 580M
131750A2 Backhoe Bucket Cylinder Seal Kit Fits Case 580L 580M
$31.62
Time Remaining: 2d 19h 22m
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1346478C2 Backhoe Bucket Boom Cylinder Seal Kit Fits Case 680L
1346478C2 Backhoe Bucket Boom Cylinder Seal Kit Fits Case 680L
$53.61
Time Remaining: 2d 19h 22m
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1542919C2 Backhoe Boom Cylinder Seal Kit Fits Case 580SL 580 Super L
1542919C2 Backhoe Boom Cylinder Seal Kit Fits Case 580SL 580 Super L
$63.17
Time Remaining: 2d 19h 22m
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1542919C4 Backhoe Boom Cylinder Seal Kit Fits Case 580SM 580 Super M
1542919C4 Backhoe Boom Cylinder Seal Kit Fits Case 580SM 580 Super M
$68.96
Time Remaining: 2d 19h 22m
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1542923C2 Backhoe Bucket Cylinder Seal Kit Fits Case 580SL 580SM 590 590SL
1542923C2 Backhoe Bucket Cylinder Seal Kit Fits Case 580SL 580SM 590 590SL
$29.37
Time Remaining: 2d 19h 22m
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D132517 New Case Backhoe Loader Swing Cylinder Rod Pin 580K
D132517 New Case Backhoe Loader Swing Cylinder Rod Pin 580K
$52.87
Time Remaining: 2d 21h 9m
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G105521 Case Backhoe Loader Lift Crawler Tilt Cylinder Seal Kit 450 680C 680E +
G105521 Case Backhoe Loader Lift Crawler Tilt Cylinder Seal Kit 450 680C 680E +
$32.95
Time Remaining: 2d 21h 58m
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John Deere 410D Backhoe Whole Machine Main Hydraulic Cylinder Repair Seal Kit
John Deere 410D Backhoe Whole Machine Main Hydraulic Cylinder Repair Seal Kit
$526.50
Time Remaining: 2d 22h 5m
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AR96527 New John Deere Backhoe Loader Swing Cylinder Seal Kit 310 Rod
AR96527 New John Deere Backhoe Loader Swing Cylinder Seal Kit 310 Rod
$37.00
Time Remaining: 2d 22h 21m
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AT142582 John Deere Backhoe Bucket Cylinder Seal Kit 310C May fit others
AT142582 John Deere Backhoe Bucket Cylinder Seal Kit 310C May fit others
$34.00
Time Remaining: 2d 22h 31m
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Massey Backhoe NOS Hydraulic Cylinder O Ring Part  359183x1
Massey Backhoe NOS Hydraulic Cylinder O Ring Part 359183x1
$0.99
Time Remaining: 2d 23h 29m
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Massey Backhoe NOS Hydraulic Cylinder O Ring Part  359197x1
Massey Backhoe NOS Hydraulic Cylinder O Ring Part 359197x1
$1.49
Time Remaining: 2d 23h 32m
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AH148823 John Deere Backhoe Loader Ext Dipperstick Cylinder Seal Kit 310G +
AH148823 John Deere Backhoe Loader Ext Dipperstick Cylinder Seal Kit 310G +
$44.00
Time Remaining: 2d 23h 35m
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Massey Backhoe NOS Stabilizer Cylinder O Ring Part  359308x1
Massey Backhoe NOS Stabilizer Cylinder O Ring Part 359308x1
$0.99
Time Remaining: 2d 23h 41m
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Swing Cylinder Seal Kit for John Deere 7 Backhoe PT8237
Swing Cylinder Seal Kit for John Deere 7 Backhoe PT8237
$32.67
Time Remaining: 2d 23h 52m
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1543277C1 Backhoe Boom Bucket Loader Lift Cylinder Seal Kit Fits Case 680L
1543277C1 Backhoe Boom Bucket Loader Lift Cylinder Seal Kit Fits Case 680L
$29.31
Time Remaining: 2d 23h 53m
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1543294C1 Backhoe Bucket Cylinder Seal Kit Fits Case 480F
1543294C1 Backhoe Bucket Cylinder Seal Kit Fits Case 480F
$21.31
Time Remaining: 2d 23h 53m
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AH149810 John Deere Backhoe Loader Steering Power Cylinder Rod Seal Kit 410G
AH149810 John Deere Backhoe Loader Steering Power Cylinder Rod Seal Kit 410G
$52.00
Time Remaining: 2d 23h 54m
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182218A1 Backhoe Boom Cylinder Seal Kit Fits Case 580L 580M
182218A1 Backhoe Boom Cylinder Seal Kit Fits Case 580L 580M
$41.54
Time Remaining: 3d 37m
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191747A1 Backhoe Swing Cylinder Seal Kit Fits Case 580L 580M 580Super M 580SM
191747A1 Backhoe Swing Cylinder Seal Kit Fits Case 580L 580M 580Super M 580SM
$44.16
Time Remaining: 3d 37m
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admin posted at 2011-6-19 Category: Heavy Equipment