6Y4614 Pump G for CAT 3116, 3126, 3126B & more

The 6Y4614 Pump G is a hydraulic pump assembly designed to pressurize and circulate hydraulic fluid in Caterpillar equipment. This pump converts mechanical power from the engine into hydraulic energy, enabling functions such as steering, lifting, implement operation, and other hydraulic‑powered systems.

Here’s a general guide for proper installation:

1. Turn off the engine and safely relieve all hydraulic system pressure before beginning.
2. Locate the old pump and disconnect hydraulic hoses, mounting bolts, and any related fittings.
3. Carefully remove the old pump, being mindful not to spill fluid.
4. Clean the mounting surface and check port threads for wear or damage.
5. Install the new 6Y4614 Pump G, aligning it correctly with mounting holes and torqueing bolts to the specifications in your service manual.
6. Reconnect all hydraulic lines, refill the reservoir with the correct fluid, and bleed the system as needed.
7. Start the machine and check for proper operation and leaks.

The 6Y4614 Pump G is compatible with a range of Caterpillar equipment powered by engines such as the 3116, 3126, and 3126B, and machines which include wheel loaders and integrated tool carriers like 928F, 938F, IT28F, IT38G, and similar models that specify this part number in their hydraulic system. If you are unsure don’t hesitate to reach out to Propel Parts for help verifying fitment.

Yes. This Pump G is manufactured to meet or exceed OEM specifications for durability and performance, and quality‑checked to closely match the fit and function of the original Caterpillar part. Using a pump that meets OEM standards helps ensure dependable hydraulic flow and system responsiveness.

Hydraulic pumps should be inspected during scheduled maintenance or when hydraulic system issues arise. Regular checks include inspecting for fluid leaks, abnormal noises, reduced system response, or overheating. Replace the pump if you notice significant wear or performance loss to avoid further damage to valves and actuators.

Typical indicators include:

1. Reduced hydraulic power or slow actuator movement
2. Unusual whining, grinding, or knocking noises from the pump area
3. Hydraulic fluid leaks at the pump or port connections
4. Overheating of the hydraulic system

Early detection helps maintain smooth operation and prevents damage to other hydraulic components.

A quality hydraulic pump like the 6Y4614 ensures consistent fluid delivery and pressure to vital systems such as steering controls, lift cylinders, and attachments. Using parts that meet or exceed OEM expectations reduces the risk of premature failures, improves machine reliability, and contributes to long‑term durability under heavy‑duty operating conditions.