Case Excavator Hydraulic Pump Coupler parts list
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9010, 9010B, 9020, 9020B |
Hydraulic Pump Coupler |
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150612A1 |
$215.00
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9030B, 9040B, 9045B |
Hydraulic Pump Coupler |
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159819A1 |
$315.00
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9010B, 9020B |
Pump, Hydrostatic Drive |
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161757A1 |
$465.00
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CX130, CX130B, CX135SR, CX160, CX160B |
Hydraulic Pump Coupler |
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KMJ2660 |
$325.00
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Hydraulic pump couplers and drive couplers for Case excavators, connecting the engine flywheel to the main hydraulic pump across the 9000 series and CX series machines. Available as new and replacement units for reliable pump drive engagement.
Fits Models At A Glance
- 9010 Series: 9010, 9010B, 9020, 9020B
- 9030 Series: 9030B, 9040B, 9045B
- CX Series: CX130, CX130B, CX135SR, CX160, CX160B
Key Notes
- Application: Transfers rotational drive from engine to main hydraulic pump
- Part Types: Pump couplers, drive couplers, and complete pump assemblies
- Common SKUs: 150612A1, KMJ2660, 159819A1, 161757A1
- Condition: New and quality replacement components
Why Choose Broken Tractor
- ✅ Correct fitment verified by model number
- ✅ Fast shipping from two US locations
- ✅ Knowledgeable staff for parts support
Frequently Asked Questions
What does the hydraulic pump coupler do on a Case excavator?
The hydraulic pump coupler transfers rotational drive from the engine flywheel to the main hydraulic pump. It keeps the pump engaged so the machine can build hydraulic pressure for its functions. Broken Tractor carries pump couplers, drive couplers, and complete pump assemblies for Case excavators.
Which coupler fits a Case CX130 or CX160 excavator?
The Main Hydraulic Pump Coupler under SKU KMJ2660 fits the Case CX130, CX130B, CX135SR, CX160, and CX160B. Match the part number to your machine to confirm the correct unit. If you are unsure, our parts team can help verify fitment by model number.
What coupler do I need for a Case 9010 or 9020 excavator?
For the Case 9010, 9010B, 9020, and 9020B, we carry the Hydraulic Pump Coupler under SKU 150612A1. For the 9030B, 9040B, and 9045B, the Hydraulic Pump Drive Coupler is SKU 159819A1. Confirm the part number against your model to be sure you order the right coupler.
What are the signs of a worn hydraulic pump coupler on a Case excavator?
A worn or failing coupler can cause loss of hydraulic drive, unusual noise near the pump, or vibration as the drive engagement weakens. Because the coupler links the engine to the main pump, a failure often shows up as slow or no hydraulic response. Replacing the coupler restores reliable pump drive engagement.
Does Broken Tractor sell a complete hydraulic pump for Case 9010B and 9020B?
Yes, we offer a complete Hydraulic Pump for the Case 9010B and 9020B under SKU 161757A1. This is offered alongside the individual couplers if you need the full pump rather than just the coupler. Match the part number to your machine to confirm fitment before ordering.
