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Jcb G500X(JCB GENERATOR)
Maintenance schedule, common problems & OEM parts breakdown
The JCB G500X is a stationary diesel generator set designed for prime and standby power applications in the 500 kVA class. It utilizes a Scania DC13-072A six-cylinder engine with an electrical governor, paired with a MeccAlte HM335A2 alternator. The unit weighs approximately 4,627 kg to 4,757 kg depending on the specific enclosure and tank configuration, with dimensions around 450 cm in length. It is available in Stage IIIa emissions compliant versions for 50 Hz prime power operation. Configurations include a 740-liter integrated bunded fuel tank, JCB CP1 auto controller, and optional JCB LiveLink telematics. The G500X is part of the JCB QX generator range, designed for critical infrastructure, data centers, and industrial shutdowns.
The G500X represents JCB's integration of heavy-duty industrial engine technology into a compact, silent power solution. Unlike construction machinery, this generator set relies on the Scania engine platform rather than JCB's proprietary Dieselmax or EcoMAX engines found in their excavators and backhoes. The machine matters in the used market due to its robust Scania powertrain and MeccAlte alternator, which offer high reliability for continuous duty cycles. Its modular design and integrated fuel tank make it a preferred choice for event power hire and emergency backup, where quick deployment and long run times are critical. The shift to Stage IIIa compliance highlights its role in regulated markets requiring lower emissions without sacrificing prime power output.
Below: full specifications, fluids & capacities, the factory service schedule, common service parts, verified fault codes, what owners discuss, attachment guidance, the complete assembly directory, and a serial-number reference. Complete parts lists with full OEM part numbers, exploded diagrams, quantities, and fitment data are available free in Heavy Parts AI.
Jcb G500X(JCB GENERATOR) specifications
Engine
| Model | Scania DC13-072A |
| Configuration | 6-Cylinder with Electrical Governor |
| Emissions Tier | Tier IIIa (also available in Stage IIIA compliant configurations) |
Weights
| Operating Weight | 4627 kg (10,199 lb) |
| Shipping Weight | 4757 kg (10,486 lb) |
Dimensions
| Transport Length | 450 cm (177.2 in) |
| Transport Width | 180 cm (70.9 in) |
| Transport Height | 234 cm (92.1 in) |
Performance
| Standby Rating | 500 kVA / 400 kW |
| Prime Rating | 461 kVA / 369 kW |
| Current Output | 728 A per phase |
Service capacities (summary)
| Fuel Tank Capacity | 740 L (bundled, integrated) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
Jcb G500X(JCB GENERATOR) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 100 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the G500X(JCB GENERATOR) beyond the schedule
Predictive Maintenance & Fluid Analysis
At the 500-hour interval, take oil samples from the engine, hydraulic system, and axle systems to establish a baseline. Compare future samples against this baseline to detect bearing wear or contamination early. Inspect the hydraulic return filter magnet for metallic debris before disposal. Monitor the air filter restriction indicator and clean or replace the element as needed. Check the turbocharger shaft play and charge cooler boot condition on the Scania engine to prevent boost leaks. Use JCB-spec long-life coolant and replace it at the 1000-hour mark to maintain thermal efficiency.
Corrective & Common Repairs
Common failures include stale fuel clogging the common-rail injectors on the Scania DC13-072A engine. Replace primary and secondary fuel filters at every 500-hour service to prevent this. Inspect the alternator bearings and grease them per the manufacturer's interval. Check all electrical connections for thermal damage or loose lugs, especially at the 800 A MCB. Verify the battery charger operation and engine block heater function to ensure reliable starts in cold climates. Replace worn belts and inspect the fuel lines for chafing or leaks.
Overhaul & Rebuild Points
The 2000-hour service is the critical deep-service interval. Change the hydraulic oil completely and clean the hydraulic tank to remove sludge. Inspect the structural frame, boom, and chassis for cracks or unauthorized welding. Measure the swing ring play on crawler-based generator platforms if applicable. Check the brake disc wear and immersed brake condition. Use a diagnostic tool to check the injector spray pattern and replace injectors as required. Service the cab HVAC system, including the A/C pressure and evaporator condition, to ensure operator comfort.
Seasonal & Environment Servicing
In humid climates, verify that the space heaters are working to keep the alternator windings dry. In cold environments below 40°F, change the engine oil and filter annually or every 100 hours to prevent sludge buildup. Ensure the engine block heater is functional for cold starts. In dusty environments, clean the air filter more frequently and check the radiator fins for debris. Inspect the weatherproof enclosure seals and bump protection blocks for damage. Verify the bunded fuel tank integrity to prevent environmental contamination.
G500X(JCB GENERATOR) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| SC1471259 | Filter, Fuel | Fuel system service | Check fitment → |
| SC1763776 | Element, Fuel Filter | Fuel system service | Check fitment → |
| SC1393641 | Head, Fuel Filter | Fuel system service | Check fitment → |
| SC1393640 | Element, Filter, Fuel Feed | Fuel system service | Check fitment → |
| SC1393639 | Filter, Fuel Feed | Fuel system service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
G500X(JCB GENERATOR) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| P0087 | Fuel rail/system pressure too low | Clogged fuel filters, failing lift pump, or restricted fuel line | Check fuel filter condition and fuel pump pressure; inspect fuel lines for restrictions |
| P0117 | Engine coolant temperature sensor circuit low voltage | Faulty coolant temperature sensor, shorted wiring harness, or poor connector contact | Inspect sensor wiring for damage and check connector pins for corrosion; test sensor resistance |
| P0521 | Engine oil pressure sensor range/performance issue | Faulty oil pressure sensor, low oil level, or sensor circuit malfunction | Verify oil level and condition; inspect sensor wiring and connector; test sensor output |
| P2047 | DEF/AdBlue injector circuit open (SCR system fault) | Open circuit in the reductant injector wiring, faulty injector, or depleted DEF fluid | Check DEF fluid level; inspect injector wiring harness for damage and connector integrity |
| U0100 | Lost communication with Engine Control Module (ECM) | Damaged CAN bus wiring, poor ground connection, or low battery voltage | Check battery voltage and ground straps; inspect CAN bus wiring harness for damage or corrosion |
| P0335 | Crankshaft Position Sensor 'A' Circuit No Signal | Failed crankshaft position sensor, damaged wiring, or faulty sensor ring | Inspect sensor and wiring for damage; check sensor gap and ring condition; test sensor signal |
| P0102 | MAF Sensor Low Voltage Fault | Faulty Mass Air Flow sensor, clogged air filter, or intake air leak | Inspect air filter and intake system for leaks; clean or replace MAF sensor; check wiring |
| P0116 | Coolant Temperature Sensor Range/Performance | Faulty coolant temperature sensor, air in cooling system, or sensor calibration error | Bleed cooling system; inspect sensor wiring and connector; test sensor resistance values |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
G500X(JCB GENERATOR) attachments & work tools
Enclosure & Mobility Configurations
The G500X is available in open-frame, canopy, and container configurations. The canopy variant includes fork pockets for forklift handling and a central lifting point for crane operations. The containerized version provides a fully enclosed, weatherproof housing for silent operation.
Power System & Engine
The G500X utilizes a Scania 6-cylinder engine, specifically the DC13-072A model with an electrical governor. Standby power output is rated at 500 kVA (400 kW), with a rated prime power of 461 kVA (369 kW). The system delivers three-phase power at 50 Hz with a rated current of 728 Amps per phase.
Fuel & Fluid Systems
The unit features a 740-liter integrated bunded fuel tank to support extended operation. Engine block heaters and battery chargers are included as standard equipment to ensure reliability in cold conditions. Fluid specifications for the engine and alternator are determined by the Scania and MeccAlte manufacturers respectively.
Control & Telematics
The generator is equipped with a JCB CP1 Auto controller for automatic start/stop and load management. JCB LiveLink telematics is available as a standard feature, providing 36 months of data time for remote monitoring of fuel consumption and engine health. The system supports synchronizing and auto main failure (AMF) control panels.
Electrical Distribution & Protection
Power distribution is managed through busbar connections to allow for flexible circuit breaker arrangements. An 800 Amp MCB (Miniature Circuit Breaker) is included for main protection. The unit includes a CE pack for compliance with European safety standards.
Physical Dimensions & Weight
The G500X canopy configuration weighs 4,627 kg with dimensions of 450 cm in length, 180 cm in width, and 234 cm in height. The silent/container variant weighs approximately 4,757 kg. Large door openings are provided to facilitate easy service access to internal components.
All G500X(JCB GENERATOR) assemblies by section
Every catalogued assembly group for the Jcb G500X(JCB GENERATOR). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Z Jcb Generator Set
Jcb : G500x(Jcb Generator) : Z Jcb Generator Set : Z00 Generator Sets
Z1-2-1 Engine, Complete, Dc12 Ems
| 32***95 | Engine, Assembly, Dc12 Ems | 1 |
Z1-1-1 Engine, Complete, Dc12 Ems
| 32***94 | Engine, Assembly, Dc12 Ems | 1 |
| SC***10 | Tool, Rear Crank Seal | 1 |
Z1-11-1 Engine, Complete, Dc16 Ems
| 32***97 | Engine, Assembly, Dc16 Ems | 1 |
Z1-3-1 Engine, Complete, Dc12 Ems
| 32***96 | Engine, Assembly, Dc12 Ems | 1 |
Z4-2-20 Gasket Sets, General, Overhaul Dc16
| 33***60 | Kit-Gasket | 1 |
| 33***84 | Gasket | 1 |
| 33***92 | Ring, Sealing | 4 |
Z4-1-20 Gasket Set, Cylinder Head, Dc16
| SC***83 | Gasket, Manifold, Fuel | 1 |
| SC***61 | Gasket, Fuel Feed | 1 |
| SC***66 | Gasket, Rocker Cover, Upper | 1 |
Z4-1-10 Gasket Set, Cylinder Head, Dc12 59a
| SC***51 | Gasket, Rocker Cover, Upper | 1 |
| SC***42 | Seal, Fuel Feed | 4 |
| SC***61 | Gasket, Fuel Feed | 1 |
Z4-2-10 Gasket Set, General Overhaul, Dc12
| SC***83 | O Ring | 1 |
| SC***11 | O Ring | 2 |
| SC***85 | O Ring | 1 |
Z4-1-1 Kit, Cylinder, Gaskets
| SC***83 | Gasket, Manifold, Fuel | 1 |
| SC***61 | Gasket, Fuel Feed | 1 |
| SC***66 | Gasket, Rocker Cover, Upper | 1 |
Z5-5-20 Kit,Piston & Liner, Dc16
| SC***29 | Pin, Gudgeon | 1 |
| SC***87 | Shim, =0.2mm, Liner | 0 |
| SC***43 | Ring, Retaining | 2 |
Z5-1-10 Service Kit, Outer, Turbocharger, Dc12
| SC***37 | Gasket | 1 |
| SC***71 | Gasket | 1 |
| SC***85 | Element, Oil Filter | 1 |
Z5-5-1 Kit, Piston, & Liner Dc9
| 33***26 | Piston, Single Speed | 1 |
| 33***55 | Kit-Piston & Liner | 1 |
| 33***56 | Ring, Piston, Compression | 1 |
Z5-5-10 Kit, Piston, & Liner Dc12
| 33***21 | Liner, Cylinder | 1 |
| 33***22 | O Ring | 1 |
| 33***23 | O Ring | 1 |
Z6-4-1 Filter, Oil, Centrifugal Dc9
| 33***49 | Head, Filter Unit | 1 |
| 33***50 | Cleaner, Centrifugal Oil, Assembly | 1 |
| 33***51 | Spring | 1 |
Z6-4-20 Filter, Oil, Centrifugal, Dc16
| SC***83 | O Ring | 1 |
| SC***35 | Nozzle | 1 |
| SC***85 | O Ring | 1 |
Z6-1-20 Fuel Filter, Dc16
| SC***57 | Cover, Fuel Feed | 1 |
| SC***59 | Filter, Fuel | 1 |
| SC***58 | Pipe, Fuel Feed | 1 |
Z6-1-10 Fuel Filter, Dc12
| SC***89 | Head, Filter | 1 |
| SC***04 | Plug | 1 |
| SC***76 | Element, Fuel Filter | 1 |
Z6-3-10 Filter, Oil, Dc12
| 33***08 | Element, Oil Filter | 1 |
| SC***98 | Adapter | 1 |
| SC***58 | Adapter | 1 |
Z6-2-1 Filter, Water Seperator, Dc9 & Dc12
| SC***02 | Bowl, Fuel Feed | 1 |
| SC***41 | Head, Fuel Filter | 1 |
| SC***40 | Element, Filter, Fuel Feed | 1 |
Z6-3-20 Filter, Oil, Dc16
| SC***08 | Filter, Oil, Assembly | 1 |
| SC***54 | O Ring | 1 |
| SC***28 | Tube | 1 |
Z6-1-1 Fuel Filter, Assembly
| 33***11 | Housing, Fuel Filter, Assembly | 1 |
| 33***12 | Bracket | 1 |
| 33***13 | Screw, M8 X 50 | 1 |
Z6-2-20 Filter, Water Seperator, Dc16
| SC***02 | Bowl, Fuel Feed | 1 |
| SC***41 | Head, Fuel Filter | 1 |
| SC***40 | Element, Filter, Fuel Feed | 1 |
Z6-4-10 Filter, Oil, Centrifugal Dc12
| 33***50 | Cleaner, Centrifugal Oil, Assembly | 1 |
| 33***51 | Spring | 1 |
| 33***08 | Element, Oil Filter | 1 |
Z8-2-10 Fan, Assembly, 912 Mm Dc12
| 33***21 | Fan, Pusher, 9 Blades, 912mm | 1 |
| 33***22 | Screw, M12 X 55 | 3 |
| SC***27 | Washer | 6 |
Z8-6-10 Drive Belt Guard, Dc12
| 33***06 | Guard, Drive Belt, Upper | 1 |
| 33***07 | Washer | 2 |
| SC***05 | Bracket | 3 |
Z8-2-1 Fan, Pusher 787mm Dc9
| 33***81 | Spacer, L = 106mm | 1 |
| 33***82 | Fan, Pusher 787mm Dia | 1 |
| SC***50 | Screw, Flange | 4 |
Z8-4-10 Casing, Transmission, Belt Dc12
| 33***82 | Screw, Flange, M8 X 50 | 1 |
| 33***56 | Tube, Spacer, L = 10mm | 1 |
| 33***96 | Washer | 7 |
Z8-6-1 Drive, Belt, Guard Dc9
| 33***70 | Guard, Drive Belt, Upper Right | 1 |
| 33***71 | Guard, Drive Belt, Upper Left | 1 |
| 33***72 | Guard, Drive Belt, Lower | 1 |
Z8-5-1 Fan, Cowling Dc9
| 33***28 | Plate, Fan Cowling | 1 |
| 33***29 | Bracket, Upper | 1 |
| 33***30 | Bracket, Lower | 1 |
Z8-3-10 Front End Drive, Accessories, Alternator & Water Pump Dc12
| 33***23 | Spacer | 1 |
| 33***24 | Belt, Poly-V, L=1700 | 1 |
| SC***47 | Bolt, M10x80, Flange Screw | 1 |
Z8-1-20 Front End Drive, Accessories, Fan Belt Dc16
| SC***11 | Bolt, Allen, M8 X 35mm | 6 |
| SC***29 | Belt | 1 |
| SC***47 | Bolt, M10x80, Flange Screw | 1 |
Z8-2-20 Fan, Assembly, 965mm Dc16
| 33***48 | Bearing | 1 |
| 33***41 | Bearing, Assembly | 1 |
| 33***42 | Screw, Flange, M12 X 140 | 4 |
Z8-1-10 Front End Drive, Accessories, Fan Belt Dc12
| 33***25 | Adjuster, Belt | 1 |
| 33***26 | Spacer | 2 |
| 33***27 | Pulley, Idler | 1 |
Z8-1-1 Front End Drive, Accessories, Fan Belt Dc9
| 33***88 | Washer | 9 |
| 33***76 | Bracket | 1 |
| 33***77 | Idler, Roller | 1 |
Z8-3-1 Front End Drive, Accessories, Alternator & Water Pump Dc9
| 33***77 | Idler, Roller | 1 |
| 33***83 | Idler, Roller | 1 |
| 33***84 | Adjuster, Belt | 1 |
Z8-5-10 Fan, Cowling Dc12
| 33***93 | Washer, Spring | 3 |
| 33***33 | Seal | 2 |
| 33***16 | Cowling, Fan | 1 |
Z8-3-20 Front End Drive, Accessories, Alternator & Water Pump Dc16
| 33***95 | Belt, Poly-V, L=1795mm | 1 |
| SC***87 | Roller, Fan Belt | 1 |
| SC***65 | Belt, Drive | 1 |
Z9-1-1 Starter Motor, Dc9 & Dc12
| SC***26 | Plate, Starter Motor | 1 |
| SC***48 | Relay | 1 |
| SC***11 | Motor, Starter | 1 |
Z9-2-1 Starter Motor, Dc16
| 33***01 | Motor, Starter | 1 |
| SC***23 | Stud | 3 |
| SC***26 | Plate, Starter Motor | 1 |
Z10-1-10 Alternator, 65amp, Dc12
| 33***40 | Alternator, 65a | 1 |
| 33***41 | Alternator | 1 |
| 33***42 | Kit-Mounting | 4 |
Z10-1-20 Alternator, 100amp, Dc16
| 33***00 | Alternator | 1 |
| SC***92 | Sleeve, Guide | 2 |
| SC***64 | Alternator | 1 |
Z10-1-1 Alternator, 100amp
| 33***00 | Alternator | 1 |
| SC***43 | Pulley, Alternator | 1 |
| SC***22 | Nut | 1 |
Z11-3-20 Cable Retainer, Cylinder Head
| 33***02 | Holder, Cable Clamp | 2 |
| 33***03 | Holder, Cable Bushing | 2 |
| SC***91 | Holder, Cable, Clamp | 8 |
Z11-3-10 Cables, Retainer, Cylinder Head Dc12 59a
| 33***44 | Duct | 1 |
| SC***03 | Screw | 6 |
| SC***69 | Attaching Plate | 1 |
Z11-6-1 Injection Equipment, Harnesses, Dc9
| 33***07 | Screw, Self Tapping, M6 X 20 | 2 |
| 33***20 | Sensor, Charge Air Pressure | 1 |
| 33***99 | Harness | 1 |
Z11-1-10 Ecu Unit, Dc9 & Dc12
| 33***43 | Housing, Contact Engine Control Unit, 10-Pol | 0 |
| SC***91 | Cover, Engine Control Unit | 2 |
| SC***61 | Strap | 8 |
Z11-5-1 Engine, Harness, Installation Dc9
| 33***82 | Screw, Flange, M8 X 50 | 2 |
| 33***13 | Screw, M8 X 50 | 2 |
| 33***45 | Bracket | 1 |
Z11-2-10 Harnesses, &, Sensors Dc12 59a
| 33***90 | Sensor, Temperature | 1 |
| 33***20 | Sensor, Charge Air Pressure | 1 |
| 33***54 | Harness | 1 |
Z11-1-20 Unit, Electronic Control, Dc16
| 33***43 | Housing, Contact Engine Control Unit, 10-Pol | 0 |
| SC***91 | Cover, Engine Control Unit | 2 |
| SC***22 | Bolt | 8 |
Z11-4-20 Protection Plate, & Mounting Bracket, Dc16
| SC***89 | Shield, Heat, Cable Routeing | 1 |
| SC***56 | Holder, Cable, Bushing | 4 |
| SC***30 | Shield, Heat, Rear Of Engine | 1 |
Z11-5-10 Engine, Cable Installation, Dc12 59a
| 33***13 | Screw, M8 X 50 | 2 |
| 33***45 | Bracket | 1 |
| 33***46 | Duct | 1 |
Z11-2-20 Harnesses, &, Sensors Dc16
| 33***20 | Sensor, Charge Air Pressure | 1 |
| 33***04 | Cable, Harness | 1 |
| 33***05 | Cable, Harness | 1 |
Z11-4-10 Protection Plates, & Mounting Bracket, Dc12
| SC***74 | Plate, Protective | 1 |
| SC***63 | Bracket | 1 |
| SC***94 | Plate, Protective | 1 |
Z12-2-20 Fuel Return Pipes, Dc16
| 33***17 | Valve, Overflow | 1 |
| SC***77 | Nut | 1 |
| SC***65 | Bolt | 1 |
Z12-1-20 Fuel Pipes, High Pressure, Dc16
| 33***17 | Valve, Overflow | 1 |
| 33***94 | Seal, Fuel Feed | 1 |
| 33***97 | Pipe, Fuel | 1 |
Z12-1-1 Fuel System, Without Compressor
| 33***14 | Pipe, Fuel Assembly | 1 |
| 33***15 | Bracket | 1 |
| 33***16 | Pipe, Fuel Assembly | 1 |
Z12-2-1 Fuel Manifold, Leakoff Pipe
| 33***22 | Pipe, Fuel Leak Off, Assembly | 1 |
| SC***76 | Clamp, Bleed Assembly. | 1 |
| SC***90 | Adapter, Union, Straight | 1 |
Z12-1-10 Fuel Pipes, High Pressure, Dc12 59a
| 33***17 | Valve, Overflow | 1 |
| 33***19 | Bolt, Banjo | 6 |
| 33***21 | Clamp | 3 |
Z13-1-1 Fuel Injector, Dc9 & Dc12
| 33***52 | Holder, Fuel Injector | 5 |
| 33***53 | Screw, Flange, M10 X 40 | 5 |
| 33***91 | Injector, Assembly | 5 |
Z13-1-20 Fuel Injector, Dc16
| SC***64 | O Ring, Injector | 8 |
| SC***73 | Nozzle, Injector, Fuel | 1 |
| SC***39 | Washer, Injector | 8 |
Z15-1-1 Fuel Feed Pump, Dc9 & Dc12
| SC***11 | O Ring | 1 |
| SC***19 | Screw, M8 X 30 | 2 |
| SC***09 | Screw | 2 |
Z15-1-20 Fuel Lift Pump, Dc16
| 33***96 | Sleeve, Coupling | 1 |
| SC***70 | Seal, O-Ring | 1 |
| SC***19 | Screw, M8 X 30 | 2 |
Z16-1-1 Water Pump, Dc9
| 33***78 | Pump, Water | 1 |
| 33***79 | Housing, Water Pump | 1 |
| 33***80 | Ring, Sealing | 1 |
Z16-1-20 Water Pump, Dc16
| SC***64 | Gasket, Water Pump | 1 |
| SC***21 | Screw, M8 X 40 | 4 |
| SC***25 | Screw, M8 X 60 | 8 |
Z16-1-10 Water Pump, Dc12 59a
| 33***30 | Ring, Sealing | 1 |
| 33***31 | Pulley | 1 |
| 33***36 | Kit-Repair, Water Pump | 0 |
Z17-2-20 Water Bleed Pipe, Dc16
| SC***89 | Pipe, Bleed Assembly. | 1 |
| SC***15 | Hose, Bleed Assembly. | 1 |
| SC***86 | Connector, Bleed Pipe | 8 |
Z17-1-10 Water Inlet, Connector, Dc12 59a
| 33***32 | Bracket | 1 |
| 33***33 | Spacer | 1 |
| SC***86 | Connector, Water Inlet | 1 |
Z17-2-10 Water Bleed Pipe, Dc12 59a
| 33***34 | Bolt, Banjo | 1 |
| 33***35 | Bolt, Banjo | 5 |
| SC***24 | Banjo, Connector | 1 |
Z18-1-1 Thermostat & Housing
| 33***24 | Housing, Thermostat | 1 |
| 33***25 | Cover, Thermostat Housing, Low Turbo | 1 |
| 33***26 | Cover, Thermostat Housing, High Turbo | 1 |
Z18-1-20 Thermostat & Housing, Dc16
| SC***25 | Screw, M8 X 60 | 4 |
| SC***24 | Thermostat, 83 Degrees | 1 |
| SC***25 | Gasket, Thermostat | 1 |
Z18-1-10 Thermostat & Housing, Dc12 59a
| SC***85 | Housing, Thermostat | 1 |
| SC***19 | Screw, M8 X 30 | 10 |
| SC***87 | O Ring | 1 |
Z19-1-10 Rocker Cover, Dc12
| 33***11 | Cover, Rocker, Closed Crankcase Ventilation | 2 |
| 33***12 | Cover, Rocker, Open Crankcase Ventilation | 1 |
| SC***51 | Gasket, Rocker Cover, Upper | 6 |
Z19-2-20 Crankcase, Breather, Dc16
| 33***63 | Pipe, Breather | 1 |
| 33***64 | Plug | 1 |
| 33***65 | Clamp, Hose | 3 |
Z19-2-10 Breather Tube, Crankcase, Dc12
| SC***20 | Screw | 1 |
| SC***82 | Pipe, Crankcase Breather | 1 |
| SC***32 | Nut, Flange M8 | 2 |
Z19-2-1 Crankcase, Ventilation, Open Dc9
| 33***56 | Tube, Spacer, L = 10mm | 1 |
| 33***65 | Clamp, Hose | 3 |
| 33***14 | Hose | 1 |
Z19-1-1 Rocker Cover
| 33***82 | Screw, Flange, M8 X 50 | 20 |
| 33***83 | Cover, Rocker | 1 |
| 33***84 | Cover, Rocker | 1 |
Z19-1-20 Rocker Cover, Dc16
| SC***90 | Cover | 8 |
| SC***06 | Cap, Oil Filler | 1 |
| SC***66 | Gasket, Rocker Cover, Upper | 8 |
Z20-1-10 Rocker Assembly, Dc12 59a
| SC***10 | Screw, Adjusting | 1 |
| SC***89 | Arm, Rocker, Injector | 6 |
| SC***92 | Plug, Rivet | 6 |
Z20-1-20 Rocker Assembly, Dc 16
| SC***10 | Screw, Adjusting | 2 |
| SC***89 | Arm, Rocker, Injector | 8 |
| SC***92 | Plug, Rivet | 8 |
Z21-1-10 Pushrods & Tappets
| 33***05 | Bolt | 3 |
| 33***06 | Rod, Push | 10 |
| SC***02 | Circlip | 2 |
Z21-1-20 Pushrods & Tappets
| 33***73 | Tappet, Assembly | 4 |
| 33***74 | Tappet, Roller | 2 |
| 33***75 | Tappet, Roller | 2 |
Z22-2-1 Turbo Pipework, Solenoid, & Wastegate Valves Dc9
| 33***29 | Plug, Screw M10 X9 | 1 |
| 33***60 | Bracket | 1 |
| 33***61 | Valve, Solenoid | 1 |
Z22-1-10 Turbocharger, Dc12 59a
| 33***19 | Turbocharger | 1 |
| SC***92 | Kit-Service | 1 |
Z22-1-1 Turbocharger
| 33***59 | Turbocharger | 1 |
Z22-1-20 Turbocharger, Dc16 44a/45a
| 33***86 | Turbocharger | 1 |
Z23-2-20 Turbo Exhaust, Pipework, Dc16
| SC***32 | Nut | 1 |
| SC***74 | Clamp, "V" | 1 |
| SC***01 | Pipe | 1 |
Z23-2-10 Turbo Exhaust, Pipework, Dc12
| SC***33 | Pipe, Exhaust Elbow | 1 |
| SC***32 | Nut | 1 |
| SC***37 | Clamp, "V" | 1 |
Z23-1-1 Turbo Pipework, Dc9
| 33***10 | Hose | 1 |
| 33***39 | Pipe, Lubrication | 1 |
| 33***40 | Pipe, Return | 1 |
Z23-1-20 Turbo Pipework, Dc16
| SC***44 | Adapter | 2 |
| SC***71 | Gasket | 1 |
| SC***19 | Screw, M8 X 30 | 2 |
Z23-1-10 Turbo Pipework, Dc12
| 33***09 | Bracket | 1 |
| 33***10 | Hose | 1 |
| SC***71 | Gasket | 1 |
Z25-1-20 Manifold, Induction, Dc16
| 33***87 | Manifold, Induction | 1 |
| 33***88 | Manifold, Induction | 1 |
| SC***58 | Pipe, Flange | 2 |
Z25-1-1 Air Induction, Manifold, Dc9
| 33***46 | Manifold, Induction | 1 |
| SC***31 | Bolt, M8x100, Flange Screw | 20 |
| SC***11 | Seal | 1 |
Z25-1-10 Air Induction, Manifold, Dc12 59a
| 33***20 | Sensor, Charge Air Pressure | 1 |
| SC***17 | Manifold, Induction | 1 |
| SC***31 | Screw, M8 X100 | 24 |
Z26-2-20 Manifold, Exhaust, Heat Shield Dc16
| 33***90 | Shield, Heat | 2 |
| 33***91 | Bracket | 4 |
| SC***13 | Bolt | 4 |
Z26-1-10 Manifold, Exhaust, Dc12 59a
| 33***16 | Manifold, Turbo Exhaust | 1 |
| 33***17 | Manifold, Exhaust | 2 |
| 33***18 | Stud, M10 X 50 | 2 |
Z26-1-1 Manifold, Exhaust, Dc9
| 33***41 | Manifold, Turbo Exhaust | 1 |
| 33***42 | Manifold, Exhaust | 1 |
| 33***43 | Gasket | 1 |
Z26-1-20 Manifold, Exhaust, Dc16
| 33***77 | Manifold, Exhaust | 2 |
| 33***78 | Ring, Sealing | 8 |
| 33***79 | Screw, Flange | 16 |
Z27-1-10 Cylinder Head, Dc12 59a
| 33***90 | Insert, Valve Seat | 2 |
| 33***91 | Insert, Valve Seat, Intake O/S Stage 2/Tier2 | 0 |
| 33***92 | Insert, Valve Seat, Exhaust Std | 2 |
Z27-1-1 Cylinder Head, Dc9
| 33***85 | Head, Cylinder | 1 |
| 33***86 | Head, Cylinder, P/Ex | 1 |
| 33***87 | Head, Cylinder | 1 |
Z27-1-20 Cylinder Head, Dc16
| 33***85 | Head, Cylinder | 8 |
| 33***90 | Insert, Valve Seat | 2 |
| 33***91 | Insert, Valve Seat, Intake O/S Stage 2/Tier2 | 0 |
Z29-1-10 Oil Cooler, Dc12 59a
| SC***98 | Gasket | 1 |
| SC***18 | Gasket | 1 |
| SC***21 | Bolt, M8x40, Flange Screw | 10 |
Z29-1-1 Oil Cooler, Dc9
| 33***37 | Cooler, Oil | 1 |
| 33***38 | Adapter | 1 |
| SC***98 | Gasket | 1 |
Z29-1-20 Oil Cooler, Dc16
| 33***76 | Cover, Plate | 1 |
| SC***33 | Cooler, Oil | 1 |
| SC***77 | Cover | 1 |
Z30-1-1 Dipstick, Assembly, Dc9
| 33***30 | Dipstick | 1 |
| 33***31 | Dipstick | 1 |
| 33***32 | Pipe | 1 |
Z30-1-10 Oil Level Dipstick, & Tube, Dc12
| SC***24 | Ferrule | 1 |
| SC***48 | Dipstick | 1 |
| SC***37 | Clip | 1 |
Z30-1-20 Oil Level Dipstick, & Tube, Dc16
| SC***91 | Pipe | 1 |
| SC***47 | Adapter, Union, Straight | 1 |
| SC***26 | Flange Pipe | 1 |
Z31-1-20 Oil Sump, Dc16
| 33***59 | Sump, Oil | 1 |
| 33***60 | Kit-Gasket | 1 |
| 33***61 | Screw, Flange | 26 |
Z31-2-1 Pump, Oil, Sump Extraction
| 33***58 | Pump, Sump Oil Extraction | 1 |
| 33***59 | Bracket, Oil Pump Support | 1 |
| 33***60 | Hose, Oil Extraction Pump | 1 |
Z31-1-10 Oil Sump, Dc12
| 33***93 | Plate, Cover | 1 |
| SC***14 | Washer, Sealing | 1 |
| SC***22 | Screw, M8 X 60 | 27 |
Z31-1-1 Oil Sump, Dc9
| 33***62 | Plug, Magnetic | 1 |
| 33***23 | Sump, Oil | 1 |
| 33***24 | Gasket | 1 |
Z32-1-10 Oil Pump, Dc12
Z32-1-1 Oil Pump, Dc9
| 33***34 | Pump, Oil | 1 |
| 33***35 | Pipe, Suction | 1 |
| 33***36 | Tube | 1 |
Z32-1-20 Oil Pump, Dc16
| SC***25 | Screw, M8 X 60 | 4 |
| SC***19 | Screw, M8 X 30 | 19 |
| SC***19 | O Ring | 2 |
Z32-2-10 Oil, Pressure, Sensor Dc12 59a
| 33***13 | Washer, Sealing | 2 |
| 33***14 | Flange, Mounting | 1 |
| SC***89 | Adapter | 1 |
Z33-1-20 Flywheel, Assembly, Dc16
| 33***70 | Flywheel, Assembly | 1 |
| SC***13 | Gear, Flywheel Ring | 1 |
| SC***73 | Screw | 10 |
Z33-1-1 Flywheel, Assembly, Dc9
Z33-1-10 Flywheel Assembly, Dc12
| SC***95 | Bolt, M16 X 90 | 10 |
| SC***88 | Flywheel, Assembly | 1 |
| SC***13 | Gear, Flywheel Ring | 1 |
Z34-1-20 Flywheel Housing, Dc16
| 33***58 | Housing, Flywheel | 1 |
| SC***80 | O Ring | 1 |
| SC***83 | Seal, Rear Oil | 1 |
Z34-1-1 Flywheel, Housing, Dc9
| 33***11 | Housing, Flywheel | 1 |
| 33***12 | Housing, Flywheel | 1 |
| 33***13 | Plate, Timing Gear | 12 |
Z34-1-10 Flywheel Housing, Dc12
| 33***83 | Housing, Flywheel | 1 |
| 33***84 | Insert, Thread | 6 |
| 33***85 | Cover | 1 |
Z35-1-20 Camshaft, & Timing Gears, Dc16
| 33***48 | Bearing | 1 |
| 33***71 | Camshaft | 1 |
| 33***72 | Camshaft | 1 |
Z35-1-10 Camshaft, & Timing Gears, Dc12
| 33***48 | Bearing | 2 |
| 33***07 | Camshaft | 1 |
| SC***94 | Gear | 1 |
Z35-10-1 Balance Shaft, Assembly, Dc9
| 33***27 | Frame, Balance Shaft, Assembly | 1 |
| 33***28 | Dowel, 6 X 16 | 2 |
| 33***29 | Plug, Screw M10 X9 | 2 |
Z35-1-1 Camshaft, & Timing Gears, Dc9
| 33***46 | Camshaft | 1 |
| 33***47 | Camshaft | 1 |
| 33***48 | Bearing | 1 |
Z36-2-20 Casing, Vibration Insulator, Dc16
| SC***60 | Gasket | 1 |
| SC***40 | Cover | 1 |
| SC***87 | O Ring | 1 |
Z36-1-20 Timing Case & Covers, Dc16
Z36-2-1 Casing, Crankshaft, Damper Dc9
| 33***23 | Cover, Front Assembly | 1 |
| SC***43 | Bolt, M10 X 60mm, Flange Screw | 8 |
| SC***29 | Gasket | 1 |
Z36-1-10 Timing Case & Covers, Dc12
| SC***67 | Plug | 1 |
| SC***37 | Cover | 1 |
| SC***25 | Screw, M8 X 60 | 2 |
Z37-1-1 Piston, Assembly, Dc9
| 33***25 | Piston, All Speed | 5 |
| 33***26 | Piston, Single Speed | 5 |
| SC***29 | Pin, Gudgeon | 1 |
Z37-1-20 Piston & Con-Rod, Assemblies, Dc16
| 33***69 | Kit-Big End Bearing | 1 |
| SC***29 | Pin, Gudgeon | 1 |
| SC***59 | Bush, Small End | 1 |
Z37-1-10 Piston & Con-Rod, Assemblies, Dc12
| 33***94 | Rod, Connecting, Assembly | 6 |
| 33***95 | Bolt, Con-Rod M14 X 70 | 2 |
| 33***96 | Kit-Big End Bearing, Undersize 0.25 | 0 |
Z38-1-20 Crankshaft Assembly, Dc16
| SC***16 | Crankshaft | 1 |
| SC***89 | Screw | 12 |
| SC***04 | Gear, Crankshaft | 1 |
Z38-1-1 Crankshaft Assembly, Flywheel & Damper Dc9
| 33***94 | Rod, Connecting, Assembly | 5 |
| 33***95 | Bolt, Con-Rod M14 X 70 | 2 |
| 33***96 | Kit-Big End Bearing, Undersize 0.25 | 5 |
Z38-1-10 Crankshaft Assembly, Flywheel & Damper Dc12
| 33***00 | Damper, Crankshaft | 1 |
| 33***01 | Driver | 1 |
| 33***02 | Sleeve, Spacer | 1 |
Z39-2-1 Oil Filler, Cylinder, Block Dc9 & Dc12
| 33***53 | Seal | 1 |
| 33***54 | Hose | 1 |
| 33***55 | Bracket | 1 |
Z39-1-2 Cylinder Block, Assembly
| 33***01 | Guide | 12 |
| 33***02 | Screw, M18 X 190, To E6285668 | 12 |
| 33***03 | Plug, Core 14mm | 1 |
Z39-1-1 Cylinder Block, Assembly
| 33***98 | Block, Cylinder, Dc9 | 1 |
| 33***01 | Guide | 12 |
| 33***02 | Screw, M18 X 190, To E6285668 | 12 |
Z39-1-20 Cylinder Block, Assembly, Dc16
| 33***04 | Bearing, Main Std | 5 |
| 33***05 | Bearing, Main, U/S = 0.25mm | 0 |
| 33***06 | Bearing, Main, U/S = -0.50mm | 0 |
Z39-1-10 Cylinder Block, Assembly, Dc12
| 33***02 | Screw, M18 X 190, To E6285668 | 14 |
| 33***04 | Bearing, Main Std | 7 |
| 33***05 | Bearing, Main, U/S = 0.25mm | 7 |
Z42-1-10 Engine Mounting, Brackets Dc12
| 33***53 | Bracket, Engine Mounting | 2 |
| 33***54 | Screw | 8 |
| 33***06 | Bracket, Engine Mounting | 2 |
Z42-1-1 Engine Mounting, Brackets Dc9
| 33***48 | Bracket, Engine Mounting, Lh | 1 |
| 33***49 | Bracket, Engine Mounting, Rh | 1 |
| 33***50 | Screw, Flange | 4 |
Z42-1-20 Engine Mounting, Brackets Dc16
| 33***50 | Screw, Flange | 8 |
| 33***53 | Bracket, Engine Mounting | 2 |
| 33***54 | Screw | 8 |
Z43-1-1 Air Filter, Assembly, Dc9
| 33***21 | Hose | 1 |
| 33***22 | Pipe | 1 |
| 33***05 | Clamp, 160-180mm | 1 |
Z43-1-10 Air Filter, Dc12
| 33***21 | Hose | 1 |
| 33***22 | Pipe | 1 |
| 33***23 | Bracket | 1 |
Z43-1-20 Air Filter, Installation, Dc16
| 32***64 | Clip, Overcentre | 5 |
| 32***98 | Cover, Filter End | 1 |
| 32***99 | O Ring | 1 |
Z44-1-20 Air Induction Hoses, Dc16
| 33***89 | Pipe, Elbow | 1 |
| SC***32 | Sensor | 1 |
| SC***69 | Hose | 1 |
Z44-1-1 Air Induction Hoses, Dc9
| 33***21 | Hose | 1 |
| 33***47 | Pipe | 1 |
| SC***32 | Sensor | 1 |
Jcb : G500x(Jcb Generator) : Z Jcb Generator Set : Z45 Exhaust System
Z46-1-1 Radiator & Fittings, Dc9
| 33***82 | Radiator | 1 |
| 33***83 | Plug | 1 |
| 33***84 | Bush | 2 |
Z46-4-20 Fan Guards, Dc16
| 33***08 | Bracket | 1 |
| 33***09 | Washer | 19 |
| SC***63 | Washer | 2 |
Z46-1-10 Radiator, Frame & Components, Dc12
| 33***86 | Screw, M12 X 130 | 4 |
| 33***87 | Washer, Spring | 0 |
| 33***88 | Washer | 0 |
Z46-4-10 Guard, Finger Dc12
| 33***29 | Grille | 2 |
| 33***30 | Bracket | 1 |
| 33***31 | Bracket, L/H | 1 |
Z46-4-1 Fan Guards, Finger Dc9
| 33***82 | Screw, Flange, M8 X 50 | 1 |
| 33***09 | Washer | 1 |
| 33***70 | Ring, Sealing, 787mm Dia | 1 |
Z47-1-1 Radiator, Assembly, Dc9
| 33***82 | Radiator | 1 |
| 33***87 | Washer, Spring | 10 |
| 33***89 | Nut, M12 | 2 |
Z47-3-1 Radiator, Hoses And Pipework, Dc9
| 33***95 | Hose | 1 |
| 33***96 | Washer | 2 |
| 33***87 | Hose, Radiator | 1 |
Z47-3-10 Radiator, Hoses And Pipework, Dc12
| 33***96 | Washer | 2 |
| 33***33 | Hose, Radiator | 1 |
| 33***34 | Bracket | 1 |
Z47-1-10 Radiator, Assembly, Dc12
| 33***84 | Bush | 1 |
| 33***85 | Clamp | 1 |
| 33***86 | Screw, M12 X 130 | 1 |
Z47-1-20 Cooler Assembly, Dc16
| SC***45 | Tank, Expansion | 1 |
| SC***68 | Cap, Coolant Pressure | 1 |
| SC***67 | Sensor | 1 |
Z47-3-20 Radiator, Hoses And Pipework, Dc16
| SC***15 | Nut, Lock M10 | 1 |
| SC***81 | Clamp | 1 |
| SC***94 | Gasket | 1 |
Z48-2-20 Cooler,Air Charge, Installation Dc16
| 33***40 | Bracket | 1 |
| SC***91 | Hose | 3 |
| SC***24 | Clamp, 'V' | 1 |
Z48-2-1 Cooler,Air Charge, Dc9
| 33***76 | Screw, M8 X 90 | 2 |
| 33***61 | Cooler, Charge Air | 1 |
| 33***62 | Cooler, Charge Air | 1 |
Z48-2-10 Cooler,Air Charge, Dc12
| 33***93 | Washer, Spring | 0 |
| 33***65 | Ring, Sealing | 4 |
| 33***06 | Bracket | 2 |
Z48-3-1 Connectors, Charge, Air Cooler Pipes Dc9
| 33***74 | Pipe, Charge Air | 1 |
| 33***75 | Connector, Charge Air Pipe | 1 |
| 33***76 | Screw, M8 X 90 | 2 |
Jcb : G500x(Jcb Generator) : Z Jcb Generator Set : Z49 Charge Air Cooler Hoses
Jcb : G500x(Jcb Generator) : Z Jcb Generator Set : Z50 Low Pressure Fuel System
Jcb : G500x(Jcb Generator) : Z Jcb Generator Set : Z51 Fuel Sediment Filters
Jcb : G500x(Jcb Generator) : Z Jcb Generator Set : Z57 Engine Oil Drain
Jcb : G500x(Jcb Generator) : Z Jcb Generator Set : Z60 Generator Chassis Components
Jcb : G500x(Jcb Generator) : Z Jcb Generator Set : Z61 Generator Bodywork
Z62-2-1 Generator Alternator, Hc434d
| 32***22 | Kit-Rectifier | 1 |
| 32***23 | Regulator, As440; Sa465 See Bulletin | 1 |
| 33***24 | Regulator, Voltage, Mx341 Avr | 1 |
Z62-5-1 Generator Alternator, Hc534d
| 32***22 | Kit-Rectifier | 1 |
| 32***23 | Regulator, As440; Sa465 See Bulletin | 1 |
| 33***24 | Regulator, Voltage, Mx341 Avr | 1 |
Z62-4-1 Generator Alternator, Hc434f
| 32***22 | Kit-Rectifier | 1 |
| 32***23 | Regulator, As440; Sa465 See Bulletin | 1 |
| 33***24 | Regulator, Voltage, Mx341 Avr | 1 |
Z62-1-1 Generator Alternator, Uci274i
| 32***08 | Regulator, A.V.R Sx460 | 1 |
| 32***99 | Kit-Rectifier, Service | 1 |
| 32***23 | Regulator, As440; Sa465 See Bulletin | 1 |
Z62-3-1 Generator Alternator, Hc434e
| 32***22 | Kit-Rectifier | 1 |
| 32***23 | Regulator, As440; Sa465 See Bulletin | 1 |
| 33***24 | Regulator, Voltage, Mx341 Avr | 1 |
Z62-6-1 Generator Alternator, Hc534e
| 32***22 | Kit-Rectifier | 1 |
| 32***23 | Regulator, As440; Sa465 See Bulletin | 1 |
| 33***24 | Regulator, Voltage, Mx341 Avr | 1 |
Z63-10-1 Kit, Conversion, Can/Usb
| 33***91 | Kit, Can/Usb Converter; Kit Consists Of: Cc/Usb Converter; Usb Cable; Db9 Connector;, Telecontrol Software; Configuration Software | 1 |
Z66-1-10 Battery, Cables, & Isolation Kit
| 33***30 | Kit, Battery Isolator, 1109 | 1 |
| 33***47 | Battery, Cables, Scania Dc12 | 1 |
| 70***67 | Battery, Gel Type | 1 |
Z66-1-1 Battery Cables, Isolator & Bridge
| 33***30 | Kit, Battery Isolator, 1109 | 1 |
| 33***41 | Bridge, Battery, With Isolator Kit | 1 |
| 33***48 | Battery, Cables, Scania Dc9 | 1 |
Z66-1-20 Battery, Cables, & Isolation Kit
| 33***30 | Kit, Battery Isolator, 1109 | 1 |
| 33***32 | Battery, Cables, Scania 500kva | 1 |
| 70***67 | Battery, Gel Type | 1 |
G500X(JCB GENERATOR) serial number reference
Locate the machine identification plate on the generator frame or canopy. Verify the serial number prefix 01654251- against the JCB G500X model designation to confirm applicability. Confirm specific configuration details with a JCB dealer.
| Prefix | Identifies | Notes |
|---|---|---|
| 01654251- | Applicability: JCB G500X (JCB GENERATOR) update series. Sourced from JCB PartsPlus+ Electronic Parts Catalog v2.00.0004. Catalog reference the OEM part reference. | Verified against JCB Service Parts Plus & Service Manual 2.00.0004 [2017.01]. Confirmed for G500X update series. |
| 01654251- | Applicability: JCB G500X (JCB GENERATOR) update series. Sourced from JCB PartsPlus+ Electronic Parts Catalog v2.00.0004. Catalog reference the OEM part reference. | Verified against JCB Service Parts Plus & Service Manual 2.00.0004 [2017.01]. Confirmed for G500X update series. |
Frequently asked questions
What engine does the JCB G500X use?
The JCB G500X uses a Scania DC13-072A six-cylinder diesel engine with an electrical governor and is available in Stage IIIa emissions compliant versions for 50 Hz prime power operation.
What is the operating weight of the JCB G500X?
The operating weight of the JCB G500X varies by configuration, typically ranging from 4,627 kg to 4,757 kg. This includes the integrated 740-liter bunded fuel tank and weatherproof enclosure.
What model replaced the JCB G500X?
The provided sources do not specify a direct successor model to the JCB G500X. The G500X is part of the JCB QX generator range, which includes models like the G500QX. For specific lineage information, consult JCB Power Products Ltd documentation.
What G500X(JCB GENERATOR) owners discuss
What engine powers the JCB G500X generator set?
The JCB G500X generator set is powered by a Scania DC13-072A, 6-cylinder engine with an electrical governor and is available in Tier IIIa emissions compliant configurations.
What are the power ratings for the JCB G500X?
The JCB G500X has a Standby rating of 500 kVA / 400 kW and a Rated Prime rating of 461 kVA / 369 kW. The rated amps per phase are 728 A.
What are the common electrical or sensor issues reported for JCB machinery?
Common electrical issues include lost communication with the Engine Control Module (ECM) indicated by U0100 codes, and low fuel rail pressure (P0087). Wiring harnesses near the engine and transmission are prone to rubbing, fraying, or melted insulation due to harsh, vibrating environments. Corrosion in sensor connectors and weak battery voltage (below 12.6 V) can trigger multiple CAN-bus codes.
What are typical undercarriage or wear patterns for this machine type?
The JCB G500X is a stationary generator set and does not have an undercarriage. For JCB wheeled or tracked machinery, typical wear patterns include undercarriage component wear and exposure to harsh environments that damage wiring harnesses.
What engine quirks are associated with JCB 444 series engines?
JCB 444 engines rely on glow plugs for cold starting. Starting problems are the most common issue, often caused by failed glow plug relays or timers preventing the plugs from operating in cold weather. Unusual noises, such as a deep rhythmic knocking that increases under load, should be addressed immediately to prevent expensive damage.
What are the physical specifications and standard features of the JCB G500X?
The JCB G500X weighs 4627 kg and has dimensions of 450 × 180 × 234 cm. Standard features include a MeccAlte HM335A2 alternator, JCB CP1 controller, JCB LiveLink with 36 months of data time, a 740 L bundled integrated fuel tank, battery charger, engine block heater, weatherproof enclosure, 800 A MCB, CE pack, forklift pockets, central lifting point, door stays, and bump protection blocks.
What should be checked when buying a used JCB G500X?
Verify the engine serial number and emissions tier (Tier IIIa) to confirm compliance. Check the condition of the 740 L fuel tank for leaks or corrosion. Test the JCB CP1 controller and LiveLink connectivity. Inspect the weatherproof enclosure for damage and ensure the 800 A MCB and battery charger are functional. Have your dealer verify the engine block heater operation and alternator condition.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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