Complete engine 320/50269 JCB Dieselmax 444 74 kW, genuine

Genuine JCB complete engine 320/50269 is a 74 kW turbocharged and aftercooled (TCA) Dieselmax 444. Suppliers list this number as a Tier 3 engine with mechanical fuel system, with a 12 V starter motor and electrics.

A complete engine is the answer when replacing the unit is simpler than rebuilding it: with a cracked block, a broken crankshaft, deeply scored bores or wear across several major parts, the cost and time of an overhaul approach those of a new engine. A new engine arrives with factory settings, so the machine is back at work sooner. The Dieselmax 444 is JCB's own four-cylinder 4.4-litre diesel used in backhoe loaders, Loadall telehandlers and other JCB machines. The build is identified by the serial number on the engine data plate.

Specifications

Compatibility

The card gives the engine for the JCB 4CX. Compare the power and emission level with the engine plate on the machine; for a 68 kW engine the complete engine 320/50268 is listed. Other JCB engine parts are in JCB Dieselmax engine.

Fitting

Before fitting, the serial number and mounting points of the old and new engines are compared; any ancillaries not supplied on the new engine are transferred from the old one. The engine mounts are checked and the SB engine mount is renewed if needed. The radiator and oil cooler are cleaned and the fuel and air filters changed; oil pressure, temperature and leaks are watched on first start.