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.

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: 57m
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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: 1h 13m
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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
$32.19
Time Remaining: 1h 14m
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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: 1h 14m
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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: 1h 16m
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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: 1h 58m
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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: 1h 58m
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1980181C2 Backhoe Dipper Swing Cylinder Seal Kit Fits Case 480F 590
1980181C2 Backhoe Dipper Swing Cylinder Seal Kit Fits Case 480F 590
$42.36
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1980412C2 Backhoe Boom Cylinder Seal Kit Fit Case 590 590SL 590SM 590 Super L M
1980412C2 Backhoe Boom Cylinder Seal Kit Fit Case 590 590SL 590SM 590 Super L M
$119.24
Time Remaining: 1h 58m
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1986856C2 Backhoe Stabilizer Cylinder Seal Kit Fits Case 680L
1986856C2 Backhoe Stabilizer Cylinder Seal Kit Fits Case 680L
$47.65
Time Remaining: 1h 58m
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1994527C2 Backhoe Dipper Stick Arm Cylinder Seal Kit Fits Case 590
1994527C2 Backhoe Dipper Stick Arm Cylinder Seal Kit Fits Case 590
$82.04
Time Remaining: 1h 59m
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297895A1 Backhoe Bucket Cylinder Seal Kit Fits Case 590SM  SM III
297895A1 Backhoe Bucket Cylinder Seal Kit Fits Case 590SM SM III
$45.90
Time Remaining: 1h 59m
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84154317 Backhoe Stabilizer Cylinder Seal Kit Fits Case 580SM 590SM 580 Super M
84154317 Backhoe Stabilizer Cylinder Seal Kit Fits Case 580SM 590SM 580 Super M
$43.40
Time Remaining: 1h 59m
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87367212 Backhoe Dipper Arm Cylinder Seal Kit Fits Case 590SM III
87367212 Backhoe Dipper Arm Cylinder Seal Kit Fits Case 590SM III
$76.27
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87367429 Backhoe Boom Cylinder Seal Kit Fits Case 590SM III 590 Super M III
87367429 Backhoe Boom Cylinder Seal Kit Fits Case 590SM III 590 Super M III
$91.43
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87418297 Backhoe Boom Cylinder Seal Kit Fits Case 580SM Series III 580 Super M
87418297 Backhoe Boom Cylinder Seal Kit Fits Case 580SM Series III 580 Super M
$98.44
Time Remaining: 2h 40m
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189653A2 Backhoe Boom Cylinder Assembly fits Case 580L 580M 570LXT 570L XT
189653A2 Backhoe Boom Cylinder Assembly fits Case 580L 580M 570LXT 570L XT
$1,208.98
Time Remaining: 4h 18m
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Seal Kit for Case 480B Backhoe Boom Cylinder
Seal Kit for Case 480B Backhoe Boom Cylinder
$39.99
Time Remaining: 17h 47m
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D141555 New Case Backhoe 580K 580SK 580SL 580SM Dipper Arm Cylinder Bushing
D141555 New Case Backhoe 580K 580SK 580SL 580SM Dipper Arm Cylinder Bushing
$34.99
Time Remaining: 18h 59m
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New Hydraulic Packing Lift Cylinder Seal Kit for Case Backhoes 580M SL
New Hydraulic Packing Lift Cylinder Seal Kit for Case Backhoes 580M SL
$20.92
Time Remaining: 19h 57m
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Case 580 580CK Backhoe Whole Machine New Hydraulic Cylinder 2 Piece Seal Kits
Case 580 580CK Backhoe Whole Machine New Hydraulic Cylinder 2 Piece Seal Kits
$420.00
Time Remaining: 20h 9m
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251036 New Ford Backhoe Loader Crowd Arm Cylinder Seal Kit 340 445 540 545 555
251036 New Ford Backhoe Loader Crowd Arm Cylinder Seal Kit 340 445 540 545 555
$120.64
Time Remaining: 20h 46m
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D42877 Case Backhoe Loader Bucket Cylinder Seal Kit 680 680B 680CK 750 850 W7 +
D42877 Case Backhoe Loader Bucket Cylinder Seal Kit 680 680B 680CK 750 850 W7 +
$11.27
Time Remaining: 21h 24m
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1113301 Cat Backhoe Loader Steering Cylinder Seal Kit 416 416B 426 436 436B +
1113301 Cat Backhoe Loader Steering Cylinder Seal Kit 416 416B 426 436 436B +
$28.77
Time Remaining: 21h 59m
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8T3852 New Cat Backhoe Loader Steering Cylinder Seal Kit 416 426 428 436 438
8T3852 New Cat Backhoe Loader Steering Cylinder Seal Kit 416 426 428 436 438
$32.30
Time Remaining: 22h 12m
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195506A1 New Case IH 580L 580M Backhoe RH LH Stabilizer Cylinder Barrel Tube
195506A1 New Case IH 580L 580M Backhoe RH LH Stabilizer Cylinder Barrel Tube
$449.99
Time Remaining: 22h 14m
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DTVS45P Backhoe Boom Dipper Cylinder Seal Kit Fits Case 580 680 680B 680CK W7
DTVS45P Backhoe Boom Dipper Cylinder Seal Kit Fits Case 580 680 680B 680CK W7
$35.95
Time Remaining: 22h 19m
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183795A3 Backhoe Dipper Arm Stick Cylinder Assembly fits Case 580SM 580SL
183795A3 Backhoe Dipper Arm Stick Cylinder Assembly fits Case 580SM 580SL
$1,346.63
Time Remaining: 22h 26m
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PT8237 New John Deere Backhoe 7 Swing Cylinder Seal Kit 1 1 2 Rod 2 Bore
PT8237 New John Deere Backhoe 7 Swing Cylinder Seal Kit 1 1 2 Rod 2 Bore
$32.17
Time Remaining: 23h 35m
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85819356 New Holland Backhoe Loader Stabilizer Cylinder Seal Kit LB75 Rod
85819356 New Holland Backhoe Loader Stabilizer Cylinder Seal Kit LB75 Rod
$24.19
Time Remaining: 23h 40m
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D42869 Case Backhoe Loader Lift Tilt Grapple Cylinder Seal Kit 310G 430 530 WE +
D42869 Case Backhoe Loader Lift Tilt Grapple Cylinder Seal Kit 310G 430 530 WE +
$9.60
Time Remaining: 1d 29m
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309969 Ford Backhoe Loader Lift Cylinder Seal Kit 750 755 755A 7500 Rod
309969 Ford Backhoe Loader Lift Cylinder Seal Kit 750 755 755A 7500 Rod
$42.78
Time Remaining: 1d 1h 10m
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309951 Ford Backhoe Loader Bucket Cylinder Seal Kit 650 750 755 755A 5500 7500 +
309951 Ford Backhoe Loader Bucket Cylinder Seal Kit 650 750 755 755A 5500 7500 +
$64.47
Time Remaining: 1d 1h 27m
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G105560 Backhoe Boom Bucket Cylinder Seal Kit Fits Case 780B
G105560 Backhoe Boom Bucket Cylinder Seal Kit Fits Case 780B
$31.44
Time Remaining: 1d 1h 57m
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G105562 Backhoe Dipper Arm Stick Cylinder Seal Kit Fits Case 780B
G105562 Backhoe Dipper Arm Stick Cylinder Seal Kit Fits Case 780B
$47.75
Time Remaining: 1d 1h 57m
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FD 85802567 New Ford Backhoe Loader Lift Cylinder Seal Kit 555E 575E 655E 675E
FD 85802567 New Ford Backhoe Loader Lift Cylinder Seal Kit 555E 575E 655E 675E
$37.29
Time Remaining: 1d 2h 45m
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NH 85802567 New Holland Backhoe Loader Lift Cylinder Seal Kit 555E LB75 New
NH 85802567 New Holland Backhoe Loader Lift Cylinder Seal Kit 555E LB75 New
$37.29
Time Remaining: 1d 2h 54m
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LH Stabilizer Outrigger Hydraulic Cylinder 590 Turbo Backhoe Loader 1986811C2
LH Stabilizer Outrigger Hydraulic Cylinder 590 Turbo Backhoe Loader 1986811C2
$799.99
Time Remaining: 1d 17h 4m
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85804742 Ford Backhoe Loader Crowd Dipper Cylinder Seal Kit 555E 575E 675E +
85804742 Ford Backhoe Loader Crowd Dipper Cylinder Seal Kit 555E 575E 675E +
$61.53
Time Remaining: 1d 18h 33m
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9X2020 Cat Backhoe Loader Bucket Cylinder Seal Kit 426B 426C 428B 436B 438B +
9X2020 Cat Backhoe Loader Bucket Cylinder Seal Kit 426B 426C 428B 436B 438B +
$27.52
Time Remaining: 1d 20h 12m
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AR105355 John Deere Backhoe Boom Cylinder Seal Kit 310 310A 310B 410 500C
AR105355 John Deere Backhoe Boom Cylinder Seal Kit 310 310A 310B 410 500C
$37.58
Time Remaining: 1d 20h 23m
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251033 Backhoe Lift Cylinder Seal Kit Fits Ford 555
251033 Backhoe Lift Cylinder Seal Kit Fits Ford 555
$96.33
Time Remaining: 1d 22h 8m
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309947 Ford Backhoe Loader Lift Cylinder Seal Kit 550 655 755
309947 Ford Backhoe Loader Lift Cylinder Seal Kit 550 655 755
$41.01
Time Remaining: 1d 22h 41m
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251321 Backhoe Bucket Cylinder Seal Kit Fit Ford 340 340A 340B 540 540A 540B
251321 Backhoe Bucket Cylinder Seal Kit Fit Ford 340 340A 340B 540 540A 540B
$64.34
Time Remaining: 1d 23h 54m
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G101180 81 580B 580C Backhoe Stabilizer Cylinder
G101180 81 580B 580C Backhoe Stabilizer Cylinder
$728.00
Time Remaining: 2d 1h 53m
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235916A1 New Case Backhoe Bucket Cylinder Assembly 580K 580SK 580SL 580SM
235916A1 New Case Backhoe Bucket Cylinder Assembly 580K 580SK 580SL 580SM
$950.55
Time Remaining: 2d 20h 33m
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FP410 Backhoe Stab Cylinder Seal Kit Fits Ford 755B
FP410 Backhoe Stab Cylinder Seal Kit Fits Ford 755B
$59.02
Time Remaining: 2d 22h 15m
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FP454 Backhoe Lift Cylinder Seal Kit Fits Ford 455C 455D 555C 555D
FP454 Backhoe Lift Cylinder Seal Kit Fits Ford 455C 455D 555C 555D
$69.83
Time Remaining: 2d 22h 15m
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FP456 Backhoe Bucket Cylinder Seal Kit Fits Ford 455C 455D 555C 555D 575D 655C
FP456 Backhoe Bucket Cylinder Seal Kit Fits Ford 455C 455D 555C 555D 575D 655C
$45.65
Time Remaining: 2d 22h 15m
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FP458 Backhoe Stabilizer Cylinder Seal Kit Fits Ford 455C 455D 555C 555D 575D
FP458 Backhoe Stabilizer Cylinder Seal Kit Fits Ford 455C 455D 555C 555D 575D
$62.95
Time Remaining: 2d 22h 15m
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86516202 Ford Backhoe Steering Cylinder 550 555 555A
86516202 Ford Backhoe Steering Cylinder 550 555 555A
$396.99
Time Remaining: 2d 22h 31m
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580B 580C 580D 580SD 580E 580SE New Case Backhoe Dipper Cylinder G106682
580B 580C 580D 580SD 580E 580SE New Case Backhoe Dipper Cylinder G106682
$704.62
Time Remaining: 2d 22h 44m
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G109470 Backhoe Bucket Cylinder Seal Kit Fits Case 480C W14
G109470 Backhoe Bucket Cylinder Seal Kit Fits Case 480C W14
$23.37
Time Remaining: 2d 22h 46m
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G109504 Backhoe Bucket Cylinder Seal Kit Fits Case 480D 580D 580SD 580SE 850C
G109504 Backhoe Bucket Cylinder Seal Kit Fits Case 480D 580D 580SD 580SE 850C
$27.54
Time Remaining: 2d 22h 46m
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G32293 Backhoe Dipper Bucket Cylinder Seal Kit Fits Case 480 480B 580 310G W9
G32293 Backhoe Dipper Bucket Cylinder Seal Kit Fits Case 480 480B 580 310G W9
$25.54
Time Remaining: 2d 22h 47m
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D52522 New Case Backhoe Loader 580B 580C 580D 580E Dipper Cylinder Pin
D52522 New Case Backhoe Loader 580B 580C 580D 580E Dipper Cylinder Pin
$34.92
Time Remaining: 2d 22h 50m
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New Case Backhoe 680B Bucket Cylinder Seal Kit 4 Bore 225 Rod G34636
New Case Backhoe 680B Bucket Cylinder Seal Kit 4 Bore 225 Rod G34636
$33.40
Time Remaining: 2d 22h 54m
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C5NN3N713A Ford New Holland Backhoe Steering Cylinder Seal Kit 555 555A 555B
C5NN3N713A Ford New Holland Backhoe Steering Cylinder Seal Kit 555 555A 555B
$25.58
Time Remaining: 2d 23h 36m
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G32695 Backhoe Swing Cylinder Seal Kit Fits Case 680B 680C 850 1150
G32695 Backhoe Swing Cylinder Seal Kit Fits Case 680B 680C 850 1150
$51.01
Time Remaining: 2d 23h 50m
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G34626 Backhoe Swing Dozer Ripper Cylinder Seal Kit Fits Case 580F 850 34 36
G34626 Backhoe Swing Dozer Ripper Cylinder Seal Kit Fits Case 580F 850 34 36
$35.27
Time Remaining: 2d 23h 51m
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G34827 Backhoe Boom Cylinder Seal Kit Fits Case 680E
G34827 Backhoe Boom Cylinder Seal Kit Fits Case 680E
$27.70
Time Remaining: 2d 23h 51m
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Case Extendable Dipper Cylinder G106708 Repacked 580K Loader Backhoe
Case Extendable Dipper Cylinder G106708 Repacked 580K Loader Backhoe
$625.00
Time Remaining: 3d 37m
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AM36221 New John Deere Backhoe Stabilizer Cylinder Seal Kit 7 Rod
AM36221 New John Deere Backhoe Stabilizer Cylinder Seal Kit 7 Rod
$23.08
Time Remaining: 3d 1h 19m
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309970 Ford Backhoe Loader Bucket Cylinder Seal Kit 755 755A 5500 5550 7500
309970 Ford Backhoe Loader Bucket Cylinder Seal Kit 755 755A 5500 5550 7500
$45.46
Time Remaining: 3d 3h 18m
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6E0275 Backhoe Bucket Cylinder Assembly Fits Cat Caterpillar 416B 416C
6E0275 Backhoe Bucket Cylinder Assembly Fits Cat Caterpillar 416B 416C
$1,068.00
Time Remaining: 3d 3h 35m
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86516202 E6NN3A540CA Ford Backhoe Steering Cylinder 550 555 555A 655 755B 445 +
86516202 E6NN3A540CA Ford Backhoe Steering Cylinder 550 555 555A 655 755B 445 +
$389.99
Time Remaining: 3d 3h 56m
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G101256 Backhoe Boom Cylinder Assembly fits Case 680E 680G 680H 680K 680L
G101256 Backhoe Boom Cylinder Assembly fits Case 680E 680G 680H 680K 680L
$1,173.99
Time Remaining: 3d 8h 48m
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109 7020 Backhoe Arm Crowd Dipper Cylinder Fits Cat Caterpillar 416B 416C
109 7020 Backhoe Arm Crowd Dipper Cylinder Fits Cat Caterpillar 416B 416C
$1,218.38
Time Remaining: 3d 9h 12m
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332T Ford cylinder head fits LX865 LX885 LS180 New Holland skid steer backhoe
332T Ford cylinder head fits LX865 LX885 LS180 New Holland skid steer backhoe
$600.00
Time Remaining: 3d 9h 30m

9T5219 Backhoe Boom Cylinder Assembly fits Cat Caterpillar 416
9T5219 Backhoe Boom Cylinder Assembly fits Cat Caterpillar 416
$1,005.10
Time Remaining: 3d 9h 46m
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G102835 Backhoe Boom Cylinder Assembly fits Case 480D 480E
G102835 Backhoe Boom Cylinder Assembly fits Case 480D 480E
$890.39
Time Remaining: 3d 10h 45m
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G105547 Case Backhoe Boom Cylinder Seal Kit 450 450B 450C 455B 455C 850 W30 +
G105547 Case Backhoe Boom Cylinder Seal Kit 450 450B 450C 455B 455C 850 W30 +
$18.65
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309979 New Ford Backhoe Loader Bucket Cylinder Seal Kit A66 Rod
309979 New Ford Backhoe Loader Bucket Cylinder Seal Kit A66 Rod
$103.48
Time Remaining: 3d 21h 45m
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Whole Machine Cylinder kit for Case 580CK Backhoe Model 33
Whole Machine Cylinder kit for Case 580CK Backhoe Model 33
$419.00
Time Remaining: 3d 22h 58m
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991 00152 JCB Backhoe Loader Stabilizer  Swing Cylinder Seal Kit 214 SM 4 +
991 00152 JCB Backhoe Loader Stabilizer Swing Cylinder Seal Kit 214 SM 4 +
$42.52
Time Remaining: 3d 23h 2m
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Hydraulic Seal Kit for Case 580D Backhoe Stick Cylinder
Hydraulic Seal Kit for Case 580D Backhoe Stick Cylinder
$48.88
Time Remaining: 3d 23h 4m
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admin posted at 2011-6-19 Category: Heavy Equipment