A key component of the fuel system – this is an original (OEM) Delphi injection pump with a power rating of 68.6 kW. It is designed for JCB 3CX and 4CX machines equipped with JCB Dieselmax engines (manufactured after 2005). This is a precision distributor (rotary) pump responsible for metering and delivering fuel under high pressure directly to the injectors, ensuring optimal combustion, performance, and engine operation.
By choosing GX-OEM parts, you choose uncompromised original equipment quality. Our products are manufactured with the highest precision, guaranteeing a perfect fit and parameters identical to the original. This is the best investment in the long and trouble-free operation of your machine.
| Brand | Type / Series / Model |
|---|---|
| JCB | Backhoe Loaders: 3CX, 4CX (with 68.6 kW Dieselmax engine, post 2005) |
The list above is for reference. It is crucial to match the part number and engine power rating (68.6 kW).
The injection pump is the most precise component in the engine. It is extremely sensitive to contamination and water. Installation must be performed in sterile conditions. Before installation, you must replace all fuel filters and check the cleanliness of the entire fuel system. Incorrect installation (e.g., wrong injection timing) or contamination will lead to immediate pump seizure and void the warranty.
The injection pump is the "heart" of the fuel system. It is responsible for precisely metering and compressing fuel to the pressure required by the injectors at the correct moment in the engine's cycle. Its failure will immobilize the machine or drastically reduce its power.
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Rotary (distributor) pumps, like this Delphi model, replaced older in-line pumps due to their higher precision. They work using several key components:
They have a completely different construction, mounting, drive, and fuel control system. They are for different engine blocks. A Perkins pump (e.g., 17/912400) will not fit a Dieselmax engine, and vice versa.
2. Why must I replace fuel filters (e.g., REDX filters)?Contaminated or water-filled fuel is the #1 cause of injection pump failure. If the old pump failed (e.g., seized), it is 100% certain that metal debris is in the system. Installing a new pump without flushing the system and replacing all filters will destroy the new pump immediately and void the warranty.
3. What does 68.6 kW mean?It means this pump is calibrated to work in a JCB Dieselmax engine with a 68.6 kW (approx. 92 HP) power rating. Pumps for different power ratings (e.g., 74.2 kW) have different part numbers and fuel delivery settings.
Have doubts or need confirmation to avoid costly downtime? Call us. Our experts will help you choose the right part to get your equipment back to work as soon as possible.
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JCB 68.6kW injection pump suitable for JCB 3CX 4CX backhoe loaders with DieselMax engine used after 2005.

















