A critical cooling system component – this NEXGEN high-quality water pump is designed for JCB machines produced after 2005 and equipped with JCB DieselMax, JCB EcoMax, and JCB STAGE V engines. Its function is to circulate coolant to maintain optimal engine operating temperature. It features heat-treated shaft components for higher strength and is designed to provide high flow and cooling capacity. The pump is supplied complete with the necessary o-ring seal.
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| Brand | Type / Series / Model |
|---|---|
| JCB | Backhoe Loaders: 3CX, 4CX (with Dieselmax / Ecomax engine) Telehandlers (Loadall): 524-50, 527-55, 527-55S, 530, 530FS, 530S, 530SXL, 540, 540FS, 540SX, 540SXL Wheel Loaders: 411, 412S, 416, TM300 Excavators (JS), Forklifts (RTFL): 190, 190T, 190THF, 190HF, RTFL926-2T2, RTFL926-4T2, RTFL930-2T2, RTFL930-4T2, RTFL940-2T2, RTFL940-4T2 Vibromax Rollers |
The list above is for reference. Fitment is dependent on the engine model (JCB Dieselmax, EcoMax, Stage V).
Risk of burns and injury. Never work on the cooling system when the engine is hot. The coolant is under pressure and at high temperature. Wait for the engine to cool completely, disconnect the battery, and slowly loosen the radiator cap to release pressure before starting work.
The water pump is the "heart" of the engine's cooling system. Its job is to continuously pump coolant between the engine block and the radiator. A pump failure leads to a rapid rise in temperature and overheating, which can result in a blown head gasket or seized pistons.
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Most often, it is the failure of the internal seal or bearing. This is usually caused by old, contaminated coolant that has lost its lubricating properties, or an over-tightened fan belt.
2. What is the "weep hole"?It is a small hole in the pump casting, located between the seal and the bearing. When the seal starts to fail, coolant leaks out of this hole. This is a warning sign that the pump has failed and must be replaced immediately, before the coolant destroys the bearing.
3. Will this pump fit older JCB machines with a Perkins engine (AA, AB, AK)?No. This pump is exclusively for the new generation JCB DieselMax, EcoMax, and Stage V engines (post-2005). Perkins engines use a completely different water pump design, body, and mounting. The two types are not interchangeable.
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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