Jcb G500QX(JCB GENERATOR)
Maintenance schedule, common problems & OEM parts breakdown
The JCB G500QX is a 500 kVA standby-rated diesel generator within the QX series, designed for static power applications in construction, mining, and industrial sectors. It utilizes a Scania DC13-072A six-cylinder engine with an electrical governor, paired with a MeccAlte HM335A2 alternator and a DeepSea 7320 or CP1 control panel. The unit weighs 4,627 kg and measures 450 × 180 × 234 cm. It is part of the 275–780 kVA Scania-powered QX range, which succeeded earlier Deutz and Sisu-powered models in the JCB Premier line. Configurations include sound-attenuated canopies, bunded fuel tanks, and optional LiveLink telematics.
The QX series transitioned from smaller displacement engines to high-capacity Scania power units, emphasizing extended service intervals and fuel efficiency for standby duty. This shift increased the machine's relevance in the used market as a reliable, high-output solution for sites requiring minimal downtime. The G500QX remains sought after for its robust steel construction, 100% biodiesel capability, and integration with JCB’s global parts network, distinguishing it from lower-tier competitors with shorter maintenance cycles.
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 G500QX(JCB GENERATOR) specifications
Engine
| Model | Scania DC13-072A |
| Configuration | 6-Cylinder with Electrical Governor |
| Emissions Tier | Tier IIIa (also available) |
Weights
| Operating Weight (with all fluids, except fuel) | 2917 kg (6430 lb) |
| Shipping Weight | 4627 kg (10199 lb) |
Dimensions
| Transport Length | 3600 mm (11 ft 10 in) |
| Transport Width | 1460 mm (4 ft 9 in) |
| Transport Height | 2096 mm (6 ft 10 in) |
| Alternative Dimensions (varies by configuration/series) | 4500 × 1800 × 2340 mm (14 ft 9 in × 5 ft 11 in × 7 ft 8 in) |
Performance
| Prime Power Rating | 450 kVA / 360 kW (varies by configuration/series: 461 kVA / 369 kW) |
| Standby Power Rating | 500 kVA / 400 kW (varies by configuration/series: 501 kVA / 401 kW) |
| Output Voltage | 400/230 V, 50 Hz |
| Current per Phase | 728 A |
Service capacities (summary)
| Fuel Tank Capacity | 740 L (195 gal) Bunded Integrated |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
Jcb G500QX(JCB GENERATOR) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the G500QX(JCB GENERATOR) beyond the schedule
Predictive Maintenance & Fluid Analysis
Collect baseline oil samples from the engine, hydraulic tank, and axle systems at the 500-hour interval. Compare subsequent samples against this baseline to detect bearing wear or contamination early. Monitor the hydraulic return filter magnet for metallic debris during every 500-hour service. Use the DeepSea control panel to track engine hours and fuel consumption trends. Early detection of fluid degradation prevents premature alternator winding failure and Scania engine damage.
Corrective & Common Repairs
Replace the primary and secondary fuel filters at 500 hours to protect the Scania common-rail injectors from contamination. Inspect the three-stage fuel filtration system for water accumulation and drain as needed. Check the MeccAlte alternator excitation system for winding insulation breakdown. Replace worn drive belts and inspect the DeepSea control panel connections for corrosion. Addressing these items prevents voltage instability and engine stalling under load.
Overhaul & Rebuild Points
At 2,000 hours, measure swing ring play and radial/axial clearance to determine if bearing replacement is required. Inspect the turbocharger shaft play and charge cooler boot integrity for air leaks. Check injector spray patterns and replace nozzles showing signs of coking or poor atomization. Evaluate the structural chassis and side frames for cracking or unauthorized welding. These checks define the machine's readiness for extended service life.
Seasonal & Environment Servicing
Install the engine block heater for operation in temperatures below freezing to ensure reliable cold starts. Inspect the sound-attenuated canopy seals for moisture ingress and replace gaskets if compromised. Clean the heavy-duty air filter more frequently in dusty environments to maintain Scania engine performance. Verify the bunded fuel tank integrity and earth leakage device operation in wet conditions. These steps ensure durability in extreme heat, cold, and humidity.
G500QX(JCB GENERATOR) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 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 → |
| SC1471259 | Filter, Fuel | Fuel system service | Check fitment → |
| SC1763776 | Element, Fuel Filter | Fuel system service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
G500QX(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 supply pressure. |
| P0117 | Engine coolant temperature sensor circuit low voltage | Faulty coolant temperature sensor, open circuit in wiring, or poor ground connection. | Inspect sensor wiring harness and connector for damage; 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 electrical connections. |
| P2047 | DEF/AdBlue injector circuit open (SCR system fault) | Open circuit in the reductant injector wiring or faulty injector solenoid. | Inspect injector wiring harness for damage and check connector integrity. |
| U0100 | Lost communication with Engine Control Module (ECM) | CAN bus network fault, loose connector, or ECM power/ground issue. | Check battery voltage and ground straps; inspect CAN bus connectors for corrosion. |
| P0335 | Crankshaft Position Sensor 'A' Circuit No Signal | Failed crank sensor, damaged wiring, or debris on sensor tip. | Inspect sensor and wiring; check sensor gap and signal output. |
| P0102 | MAF (Manifold Absolute Flow) Low Voltage Fault | Faulty MAF sensor, clogged air filter, or intake air leak. | Inspect air intake system for leaks; test MAF sensor signal. |
| P029B | Injector drift fault detection on Injector 2 | Fuel injector 2 mechanical drift or electrical circuit issue. | Inspect injector 2 wiring and connector; test injector performance. |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
G500QX(JCB GENERATOR) attachments & work tools
Power Generation & Fuel Systems
The G500QX utilizes a Scania DC13-072A 6-cylinder engine with an electrical governor, available in Stage IIIA emissions compliant configurations. It is paired with a MeccAlte HM335A2 alternator and a JCB CP1 Auto Type control panel, with DeepSea 7320 panels also noted in standby specifications.
Enclosure & Mobility
The unit is housed in a weatherproof enclosure with heavy-gauge all-steel construction, featuring a 740-liter integrated bunded fuel tank. Mobility is supported by forklift pockets and a central lifting point, with dimensions of 450 × 180 × 234 cm and a weight of 4627 kg.
Electrical & Safety Options
Standard configurations include an 800Amp MCB, CE pack, battery charger, and engine block heater. LiveLink telematics is available as standard with 36 months of data time, providing remote monitoring for fuel levels and maintenance alerts.
Work Tool Compatibility
The G500QX is a stationary power generation unit and does not utilize hydraulic quick-hitch systems, buckets, or mechanical work tools. It serves as a power source for other JCB machinery rather than carrying attachments itself.
All G500QX(JCB GENERATOR) assemblies by section
Every catalogued assembly group for the Jcb G500QX(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 : G500qx(Jcb Generator) : Z Jcb Generator Set : Z00 Generator Sets
Z1-3-1 Engine, Complete, Dc12 Ems
| 32***96 | 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 |
Z1-2-1 Engine, Complete, Dc12 Ems
| 32***95 | Engine, Assembly, Dc12 Ems | 1 |
Z1-11-1 Engine, Complete, Dc16 Ems
| 32***97 | Engine, Assembly, Dc16 Ems | 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 |
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 |
Z4-1-20 Gasket Set, Cylinder Head, Dc16
| SC***83 | Gasket, Manifold, Fuel | 1 |
| SC***61 | Gasket, Fuel Feed | 1 |
| SC***66 | Gasket, Rocker Cover, Upper | 1 |
Z4-2-10 Gasket Set, General Overhaul, Dc12
| SC***83 | O Ring | 1 |
| SC***11 | O Ring | 2 |
| SC***85 | O Ring | 1 |
Z4-2-20 Gasket Sets, General, Overhaul Dc16
| 33***60 | Kit-Gasket | 1 |
| 33***84 | Gasket | 1 |
| 33***92 | Ring, Sealing | 4 |
Z5-5-10 Kit, Piston, & Liner Dc12
| 33***21 | Liner, Cylinder | 1 |
| 33***22 | O Ring | 1 |
| 33***23 | O Ring | 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 |
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 |
Z6-1-1 Fuel Filter, Assembly
| 33***11 | Housing, Fuel Filter, Assembly | 1 |
| 33***12 | Bracket | 1 |
| 33***13 | Screw, M8 X 50 | 1 |
Z6-1-20 Fuel Filter, Dc16
| SC***57 | Cover, Fuel Feed | 1 |
| SC***59 | Filter, Fuel | 1 |
| SC***58 | Pipe, Fuel Feed | 1 |
Z6-2-20 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 |
Z6-3-20 Filter, Oil, Dc16
| SC***08 | Filter, Oil, Assembly | 1 |
| SC***54 | O Ring | 1 |
| SC***28 | Tube | 1 |
Z6-4-20 Filter, Oil, Centrifugal, Dc16
| SC***83 | O Ring | 1 |
| SC***35 | Nozzle | 1 |
| SC***85 | O Ring | 1 |
Z6-3-10 Filter, Oil, Dc12
| 33***08 | Element, Oil Filter | 1 |
| SC***98 | Adapter | 1 |
| SC***58 | Adapter | 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 |
Z6-1-10 Fuel Filter, Dc12
| SC***89 | Head, Filter | 1 |
| SC***04 | Plug | 1 |
| SC***76 | Element, Fuel Filter | 1 |
Z8-1-1 Front End Drive, Accessories, Fan Belt Dc9
| 33***88 | Washer | 9 |
| 33***76 | Bracket | 1 |
| 33***77 | Idler, Roller | 1 |
Z8-6-1 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 |
Z8-2-20 Fan, Assembly, 965mm Dc16
| 33***48 | Bearing | 1 |
| 33***41 | Bearing, Assembly | 1 |
| 33***42 | Screw, Flange, M12 X 140 | 4 |
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 |
Z8-2-1 Fan, Pusher 787mm Dc9
| 33***81 | Spacer, L = 106mm | 1 |
| 33***82 | Fan, Pusher 787mm Dia | 1 |
| SC***50 | Screw, Flange | 4 |
Z8-3-10 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 |
Z8-2-10 Fan, Assembly, 912 Mm Dc12
| 33***21 | Fan, Pusher, 9 Blades, 912mm | 1 |
| 33***22 | Screw, M12 X 55 | 3 |
| SC***27 | Washer | 6 |
Z8-5-1 Fan, Cowling Dc9
| 33***28 | Plate, Fan Cowling | 1 |
| 33***29 | Bracket, Upper | 1 |
| 33***30 | Bracket, Lower | 1 |
Z8-1-10 Front End Drive, Accessories, Fan Belt Dc12
| 33***25 | Adjuster, Belt | 1 |
| 33***26 | Spacer | 2 |
| 33***27 | Pulley, Idler | 1 |
Z8-4-10 Casing, Transmission, Belt Dc12
| 33***82 | Screw, Flange, M8 X 50 | 1 |
| 33***56 | Tube, Spacer, L = 10mm | 1 |
| 33***96 | Washer | 7 |
Z8-5-10 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 |
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 |
Z8-6-10 Drive Belt Guard, Dc12
| 33***06 | Guard, Drive Belt, Upper | 1 |
| 33***07 | Washer | 2 |
| SC***05 | Bracket | 3 |
Z9-2-1 Starter Motor, Dc16
| 33***01 | Motor, Starter | 1 |
| SC***23 | Stud | 3 |
| SC***26 | Plate, Starter Motor | 1 |
Z9-1-1 Starter Motor, Dc9 & Dc12
| SC***26 | Plate, Starter Motor | 1 |
| SC***48 | Relay | 1 |
| SC***11 | Motor, Starter | 1 |
Z10-1-1 Alternator, 100amp
| 33***00 | Alternator | 1 |
| SC***43 | Pulley, Alternator | 1 |
| SC***22 | Nut | 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 |
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 |
Z11-1-10 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 |
Z11-6-1 Injection Equipment, Harnesses, Dc9
| 33***07 | Screw, Self Tapping, M6 X 20 | 2 |
| 33***20 | Sensor, Charge Air Pressure | 1 |
| 33***99 | Harness | 1 |
Z11-5-1 Engine, Harness, Installation Dc9
| 33***82 | Screw, Flange, M8 X 50 | 2 |
| 33***13 | Screw, M8 X 50 | 2 |
| 33***45 | Bracket | 1 |
Z11-5-10 Engine, Cable Installation, Dc12 59a
| 33***13 | Screw, M8 X 50 | 2 |
| 33***45 | Bracket | 1 |
| 33***46 | Duct | 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 |
Z11-2-20 Harnesses, &, Sensors Dc16
| 33***20 | Sensor, Charge Air Pressure | 1 |
| 33***04 | Cable, Harness | 1 |
| 33***05 | Cable, Harness | 1 |
Z11-3-10 Cables, Retainer, Cylinder Head Dc12 59a
| 33***44 | Duct | 1 |
| SC***03 | Screw | 6 |
| SC***69 | Attaching Plate | 1 |
Z11-4-10 Protection Plates, & Mounting Bracket, Dc12
| SC***74 | Plate, Protective | 1 |
| SC***63 | Bracket | 1 |
| SC***94 | Plate, Protective | 1 |
Z11-2-10 Harnesses, &, Sensors Dc12 59a
| 33***90 | Sensor, Temperature | 1 |
| 33***20 | Sensor, Charge Air Pressure | 1 |
| 33***54 | Harness | 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 |
Z12-1-20 Fuel Pipes, High Pressure, Dc16
| 33***17 | Valve, Overflow | 1 |
| 33***94 | Seal, Fuel Feed | 1 |
| 33***97 | Pipe, Fuel | 1 |
Z12-2-20 Fuel Return Pipes, Dc16
| 33***17 | Valve, Overflow | 1 |
| SC***77 | Nut | 1 |
| SC***65 | Bolt | 1 |
Z12-1-10 Fuel Pipes, High Pressure, Dc12 59a
| 33***17 | Valve, Overflow | 1 |
| 33***19 | Bolt, Banjo | 6 |
| 33***21 | Clamp | 3 |
Z12-1-1 Fuel System, Without Compressor
| 33***14 | Pipe, Fuel Assembly | 1 |
| 33***15 | Bracket | 1 |
| 33***16 | Pipe, Fuel Assembly | 1 |
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 |
Z16-1-20 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 |
Z16-1-1 Water Pump, Dc9
| 33***78 | Pump, Water | 1 |
| 33***79 | Housing, Water Pump | 1 |
| 33***80 | Ring, Sealing | 1 |
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 |
Z17-2-10 Water Bleed Pipe, Dc12 59a
| 33***34 | Bolt, Banjo | 1 |
| 33***35 | Bolt, Banjo | 5 |
| SC***24 | Banjo, Connector | 1 |
Z17-1-10 Water Inlet, Connector, Dc12 59a
| 33***32 | Bracket | 1 |
| 33***33 | Spacer | 1 |
| SC***86 | Connector, Water Inlet | 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 |
Z19-2-20 Crankcase, Breather, Dc16
| 33***63 | Pipe, Breather | 1 |
| 33***64 | Plug | 1 |
| 33***65 | Clamp, Hose | 3 |
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 |
Z19-1-20 Rocker Cover, Dc16
| SC***90 | Cover | 8 |
| SC***06 | Cap, Oil Filler | 1 |
| SC***66 | Gasket, Rocker Cover, Upper | 8 |
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 |
Z19-2-10 Breather Tube, Crankcase, Dc12
| SC***20 | Screw | 1 |
| SC***82 | Pipe, Crankcase Breather | 1 |
| SC***32 | Nut, Flange M8 | 2 |
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 |
Z21-1-20 Pushrods & Tappets
| 33***73 | Tappet, Assembly | 4 |
| 33***74 | Tappet, Roller | 2 |
| 33***75 | Tappet, Roller | 2 |
Z21-1-10 Pushrods & Tappets
| 33***05 | Bolt | 3 |
| 33***06 | Rod, Push | 10 |
| SC***02 | Circlip | 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 |
Z22-1-20 Turbocharger, Dc16 44a/45a
| 33***86 | Turbocharger | 1 |
Z22-1-1 Turbocharger
| 33***59 | Turbocharger | 1 |
Z23-1-1 Turbo Pipework, Dc9
| 33***10 | Hose | 1 |
| 33***39 | Pipe, Lubrication | 1 |
| 33***40 | Pipe, Return | 1 |
Z23-2-20 Turbo Exhaust, Pipework, Dc16
| SC***32 | Nut | 1 |
| SC***74 | Clamp, "V" | 1 |
| SC***01 | Pipe | 1 |
Z23-1-10 Turbo Pipework, Dc12
| 33***09 | Bracket | 1 |
| 33***10 | Hose | 1 |
| SC***71 | Gasket | 1 |
Z23-2-10 Turbo Exhaust, Pipework, Dc12
| SC***33 | Pipe, Exhaust Elbow | 1 |
| SC***32 | Nut | 1 |
| SC***37 | Clamp, "V" | 1 |
Z23-1-20 Turbo Pipework, Dc16
| SC***44 | Adapter | 2 |
| SC***71 | Gasket | 1 |
| SC***19 | Screw, M8 X 30 | 2 |
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 |
Z25-1-1 Air Induction, Manifold, Dc9
| 33***46 | Manifold, Induction | 1 |
| SC***31 | Bolt, M8x100, Flange Screw | 20 |
| SC***11 | Seal | 1 |
Z25-1-20 Manifold, Induction, Dc16
| 33***87 | Manifold, Induction | 1 |
| 33***88 | Manifold, Induction | 1 |
| SC***58 | Pipe, Flange | 2 |
Z26-2-20 Manifold, Exhaust, Heat Shield Dc16
| 33***90 | Shield, Heat | 2 |
| 33***91 | Bracket | 4 |
| SC***13 | Bolt | 4 |
Z26-1-20 Manifold, Exhaust, Dc16
| 33***77 | Manifold, Exhaust | 2 |
| 33***78 | Ring, Sealing | 8 |
| 33***79 | Screw, Flange | 16 |
Z26-1-1 Manifold, Exhaust, Dc9
| 33***41 | Manifold, Turbo Exhaust | 1 |
| 33***42 | Manifold, Exhaust | 1 |
| 33***43 | Gasket | 1 |
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 |
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 |
Z29-1-20 Oil Cooler, Dc16
| 33***76 | Cover, Plate | 1 |
| SC***33 | Cooler, Oil | 1 |
| SC***77 | Cover | 1 |
Z29-1-1 Oil Cooler, Dc9
| 33***37 | Cooler, Oil | 1 |
| 33***38 | Adapter | 1 |
| SC***98 | Gasket | 1 |
Z30-1-1 Dipstick, Assembly, Dc9
| 33***30 | Dipstick | 1 |
| 33***31 | Dipstick | 1 |
| 33***32 | Pipe | 1 |
Z30-1-20 Oil Level Dipstick, & Tube, Dc16
| SC***91 | Pipe | 1 |
| SC***47 | Adapter, Union, Straight | 1 |
| SC***26 | Flange Pipe | 1 |
Z30-1-10 Oil Level Dipstick, & Tube, Dc12
| SC***24 | Ferrule | 1 |
| SC***48 | Dipstick | 1 |
| SC***37 | Clip | 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 |
Z31-1-1 Oil Sump, Dc9
| 33***62 | Plug, Magnetic | 1 |
| 33***23 | Sump, Oil | 1 |
| 33***24 | Gasket | 1 |
Z31-1-10 Oil Sump, Dc12
| 33***93 | Plate, Cover | 1 |
| SC***14 | Washer, Sealing | 1 |
| SC***22 | Screw, M8 X 60 | 27 |
Z32-2-10 Oil, Pressure, Sensor Dc12 59a
| 33***13 | Washer, Sealing | 2 |
| 33***14 | Flange, Mounting | 1 |
| SC***89 | Adapter | 1 |
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 |
Z32-1-10 Oil Pump, Dc12
| SC***43 | Pipe | 1 |
| SC***22 | Screw, M8 X 60 | 4 |
| SC***46 | Pipe | 1 |
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 |
Z33-1-20 Flywheel, Assembly, Dc16
| 33***70 | Flywheel, Assembly | 1 |
| SC***13 | Gear, Flywheel Ring | 1 |
| SC***73 | Screw | 10 |
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 |
Z35-1-10 Camshaft, & Timing Gears, Dc12
| 33***48 | Bearing | 2 |
| 33***07 | Camshaft | 1 |
| SC***94 | Gear | 1 |
Z35-1-20 Camshaft, & Timing Gears, Dc16
| 33***48 | Bearing | 1 |
| 33***71 | Camshaft | 1 |
| 33***72 | Camshaft | 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 |
Z36-1-20 Timing Case & Covers, Dc16
| SC***64 | Spring | 1 |
| SC***18 | Gasket | 2 |
| SC***10 | Stud, M10 X 50 | 2 |
Z36-1-10 Timing Case & Covers, Dc12
| SC***67 | Plug | 1 |
| SC***37 | Cover | 1 |
| SC***25 | Screw, M8 X 60 | 2 |
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 |
Z36-2-20 Casing, Vibration Insulator, Dc16
| SC***60 | Gasket | 1 |
| SC***40 | Cover | 1 |
| SC***87 | O Ring | 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 |
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 |
Z37-1-1 Piston, Assembly, Dc9
| 33***25 | Piston, All Speed | 5 |
| 33***26 | Piston, Single Speed | 5 |
| SC***29 | Pin, Gudgeon | 1 |
Z38-1-10 Crankshaft Assembly, Flywheel & Damper Dc12
| 33***00 | Damper, Crankshaft | 1 |
| 33***01 | Driver | 1 |
| 33***02 | Sleeve, Spacer | 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 |
Z38-1-20 Crankshaft Assembly, Dc16
| SC***16 | Crankshaft | 1 |
| SC***89 | Screw | 12 |
| SC***04 | Gear, Crankshaft | 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 |
Z39-1-10 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 |
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 |
Z39-1-1 Cylinder Block, Assembly
| 33***98 | Block, Cylinder, Dc9 | 1 |
| 33***01 | Guide | 12 |
| 33***02 | Screw, M18 X 190, To E6285668 | 12 |
Z39-2-1 Oil Filler, Cylinder, Block Dc9 & Dc12
| 33***53 | Seal | 1 |
| 33***54 | Hose | 1 |
| 33***55 | Bracket | 1 |
Z42-1-10 Engine Mounting, Brackets Dc12
| 33***53 | Bracket, Engine Mounting | 2 |
| 33***54 | Screw | 8 |
| 33***06 | Bracket, Engine Mounting | 2 |
Z42-1-20 Engine Mounting, Brackets Dc16
| 33***50 | Screw, Flange | 8 |
| 33***53 | Bracket, Engine Mounting | 2 |
| 33***54 | Screw | 8 |
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 |
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 |
Z43-1-1 Air Filter, Assembly, Dc9
| 33***21 | Hose | 1 |
| 33***22 | Pipe | 1 |
| 33***05 | Clamp, 160-180mm | 1 |
Z44-1-1 Air Induction Hoses, Dc9
| 33***21 | Hose | 1 |
| 33***47 | Pipe | 1 |
| SC***32 | Sensor | 1 |
Z44-1-20 Air Induction Hoses, Dc16
| 33***89 | Pipe, Elbow | 1 |
| SC***32 | Sensor | 1 |
| SC***69 | Hose | 1 |
Jcb : G500qx(Jcb Generator) : Z Jcb Generator Set : Z45 Exhaust System
Z46-1-10 Radiator, Frame & Components, Dc12
| 33***86 | Screw, M12 X 130 | 4 |
| 33***87 | Washer, Spring | 0 |
| 33***88 | Washer | 0 |
Z46-4-20 Fan Guards, Dc16
| 33***08 | Bracket | 1 |
| 33***09 | Washer | 19 |
| SC***63 | Washer | 2 |
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 |
Z46-1-1 Radiator & Fittings, Dc9
| 33***82 | Radiator | 1 |
| 33***83 | Plug | 1 |
| 33***84 | Bush | 2 |
Z46-4-10 Guard, Finger Dc12
| 33***29 | Grille | 2 |
| 33***30 | Bracket | 1 |
| 33***31 | Bracket, L/H | 1 |
Z47-3-10 Radiator, Hoses And Pipework, Dc12
| 33***96 | Washer | 2 |
| 33***33 | Hose, Radiator | 1 |
| 33***34 | Bracket | 1 |
Z47-1-20 Cooler Assembly, Dc16
| SC***45 | Tank, Expansion | 1 |
| SC***68 | Cap, Coolant Pressure | 1 |
| SC***67 | Sensor | 1 |
Z47-1-1 Radiator, Assembly, Dc9
| 33***82 | Radiator | 1 |
| 33***87 | Washer, Spring | 10 |
| 33***89 | Nut, M12 | 2 |
Z47-3-20 Radiator, Hoses And Pipework, Dc16
| SC***15 | Nut, Lock M10 | 1 |
| SC***81 | Clamp | 1 |
| SC***94 | Gasket | 1 |
Z47-3-1 Radiator, Hoses And Pipework, Dc9
| 33***95 | Hose | 1 |
| 33***96 | Washer | 2 |
| 33***87 | Hose, Radiator | 1 |
Z47-1-10 Radiator, Assembly, Dc12
| 33***84 | Bush | 1 |
| 33***85 | Clamp | 1 |
| 33***86 | Screw, M12 X 130 | 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 |
Z48-3-1 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 |
Z48-2-10 Cooler,Air Charge, Dc12
| 33***93 | Washer, Spring | 0 |
| 33***65 | Ring, Sealing | 4 |
| 33***06 | Bracket | 2 |
Z48-2-20 Cooler,Air Charge, Installation Dc16
| 33***40 | Bracket | 1 |
| SC***91 | Hose | 3 |
| SC***24 | Clamp, 'V' | 1 |
Jcb : G500qx(Jcb Generator) : Z Jcb Generator Set : Z49 Charge Air Cooler Hoses
Jcb : G500qx(Jcb Generator) : Z Jcb Generator Set : Z50 Low Pressure Fuel System
Jcb : G500qx(Jcb Generator) : Z Jcb Generator Set : Z51 Fuel Sediment Filters
Jcb : G500qx(Jcb Generator) : Z Jcb Generator Set : Z57 Engine Oil Drain
Jcb : G500qx(Jcb Generator) : Z Jcb Generator Set : Z60 Generator Chassis Components
Jcb : G500qx(Jcb Generator) : Z Jcb Generator Set : Z61 Generator Bodywork
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 |
Z62-2-1 Generator Alternator, Hc434d
| 32***22 | Kit-Rectifier | 1 |
| 32***23 | Regulator, As440; Sa465 See Bulletin | 1 |
| 33***24 | Regulator, Voltage, Mx341 Avr | 1 |
Z62-4-1 Generator Alternator, Hc434f
| 32***22 | Kit-Rectifier | 1 |
| 32***23 | Regulator, As440; Sa465 See Bulletin | 1 |
| 33***24 | Regulator, Voltage, Mx341 Avr | 1 |
Z62-3-1 Generator Alternator, Hc434e
| 32***22 | Kit-Rectifier | 1 |
| 32***23 | Regulator, As440; Sa465 See Bulletin | 1 |
| 33***24 | Regulator, Voltage, Mx341 Avr | 1 |
Z62-5-1 Generator Alternator, Hc534d
| 32***22 | Kit-Rectifier | 1 |
| 32***23 | Regulator, As440; Sa465 See Bulletin | 1 |
| 33***24 | Regulator, Voltage, Mx341 Avr | 1 |
Z62-6-1 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 |
Frequently asked questions
What engine does the G500QX use?
The G500QX uses a Scania DC13-072A six-cylinder diesel engine with an electrical governor.
What is the operating weight?
The operating weight is 4,627 kg.
What replaced the G500QX?
The G500QX is part of the QX series, which has been succeeded by the G60QI and other newer generations in specific markets, though the QX range remains in production for many regions.
What G500QX(JCB GENERATOR) owners discuss
What engine powers the JCB G500QX generator, and what are its key specifications?
What are the common electrical or sensor issues reported for JCB power systems?
What are the typical undercarriage or wear patterns for JCB construction equipment?
What are the known engine quirks for JCB 444 series engines?
What maintenance features are standard on the JCB G500QX generator?
What should be checked when buying a used JCB G500QX generator?
What safety-critical fixes or verifications are recommended for JCB power systems?
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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