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Jcb G220X(JCB GENERATOR)

Maintenance schedule, common problems & OEM parts breakdown

The JCB G220X is a standby and prime power generator set within the JCB Power Products range, designed for continuous electrical power supply in lieu of commercial power. The unit weighs 2,700 kg (5,952 lb) and measures 380 x 114 x 205 cm. It delivers 220 kVA (176 kW) standby power and 200 kVA (160 kW) prime power. The G220X is part of the 144 to 220 kVA range, which includes models such as the G144X, G175X, and G220QX. Configurations offered include open, canopy, and container types. The machine is built for harsh environments and features a 360Ltr bunded integrated fuel tank, central lifting point, and forklift pockets.

The G220X utilizes a JCB DieselMaxx 6-cylinder engine with an electronic governor, based on the company’s 4.8-litre engine platform. It is available in Tier IIIa emissions compliant versions. The alternator is a MeccAlte ECO38 2SN/4, and the control panel is a DeepSea 4510. The G220X is part of the 144 to 220 Range Iveco 50Hz and 60Hz generator sets, with serial numbers ranging from the OEM part reference to the OEM part reference. The machine matters in the used and parts market due to its robust DieselMaxx engine, which is known for productivity and efficiency without DEF or DPF regen requirements. The G220X is succeeded by newer models in the JCB generator lineup, but its simple mechanical design and lack of complex emissions systems make it a reliable choice for standby power applications.

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 G220X(JCB GENERATOR) specifications

Engine

ModelJCB DieselMaxx, 6-Cylinder
Emissions TierTier IIIa (available)
Power Rating (Standby)220 kVA / 176 kW
Power Rating (Prime)200 kVA / 160 kW

Weights

Operating/Shipping Weight2700 kg

Dimensions

Transport Length380 cm (149.6 in)
Transport Width114 cm (44.9 in)
Transport Height205 cm (80.7 in)

Performance

Electrical Output (Standby)219 kVA / 176 kW
Electrical Output (Prime)200 kVA / 160 kW
Current per Phase316 A

Service capacities (summary)

Fuel Tank Capacity360 L (95.1 gal)

Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.

Jcb G220X(JCB GENERATOR) maintenance schedule

Service intervalTasks
Every 10 h
  • Check engine oil level via dipstick.
  • Check hydraulic tank sight gauge.
  • Check coolant expansion tank level.
  • Check fuel level.
  • Inspect for fluid leaks around engine bay, axles, and rams.
  • Inspect track condition and tension.
Every 250 h
  • Replace engine oil and filter.
  • Replace primary fuel filter.
  • Replace secondary fuel filter.
  • Inspect drive belt tension.
  • Grease all pivot points including boom, arm, and bucket pins.
  • Inspect hydraulic hoses for chafing or seepage.
Every 500 h
  • Replace engine oil and filter.
  • Replace hydraulic return filter.
  • Inspect magnet on hydraulic filter for metallic debris.
  • Take oil samples from engine, hydraulic, and axle systems.
  • Clean air filter per restriction indicator.
  • Inspect alternator and starter load.
Every 1,000 h
  • Replace engine oil and filter.
  • Replace hydraulic oil filter.
  • Drain, flush, and refill coolant with JCB-spec long-life coolant.
  • Perform full ECM diagnostic scan via JCB ServiceMaster.
  • Inspect turbocharger shaft play and charge cooler boot condition.
  • Torque check slew ring bolts.
Every 2,000 h
  • Replace engine oil and filter.
  • Replace hydraulic oil.
  • Clean hydraulic tank.
  • Inspect structural components (boom, arm, chassis) for cracking.
  • Measure swing ring play using dial indicator.
  • Inspect brake disc wear and immersed brake condition.

Servicing the G220X(JCB GENERATOR) beyond the schedule

Predictive Maintenance & Fluid Analysis

At the 500-hour interval, take oil samples from the engine, hydraulic, and axle systems to establish a baseline. Inspect the magnet on the hydraulic return filter for metallic debris before disposal. Monitor coolant levels in the expansion tank to prevent silicate separation, which causes brown sludge. Check the fuel filtration system for water accumulation. Use JCB-spec long-life coolant and replace it at the 1000-hour mark to maintain corrosion protection. Regular fluid analysis extends component life and prevents unexpected failures.

Corrective & Common Repairs

Common repairs include replacing the primary and secondary fuel filters to protect the DieselMaxx injectors. Inspect the MeccAlte alternator brushes and bearings for wear. Check the DeepSea 4510 control panel connections for corrosion. Replace drive belts if tension is insufficient. Inspect the 360Ltr fuel tank for leaks or corrosion. Ensure the engine block heater and battery charger function correctly. Address hydraulic hose chafing promptly to prevent high-pressure leaks. Maintain the three-stage fuel filtration system for optimal performance.

Overhaul & Rebuild Points

The 2000-hour service requires a deep inspection of the swing ring and structural components. Measure swing ring play using a dial indicator. Inspect the boom, arm, and chassis for cracking or unauthorized welding. Check brake disc wear and immersed brake condition. Replace the hydraulic oil and clean the hydraulic tank. Inspect the turbocharger shaft play and charge cooler boot condition. Torque slew ring bolts to specification. These tasks ensure the generator set remains reliable for extended service life.

Seasonal & Environment Servicing

In cold weather, use JCB 15W/40 multigrade oil rated for -15°C to 30°C. Ensure the engine block heater is functional for cold starts. Check glow plugs and cycle them before cranking. In hot weather, monitor coolant levels to prevent overheating. Inspect the HVAC system for proper operation. Ensure the weatherproof enclosure is intact to protect internal components. Check the central lifting point and forklift pockets for damage. Maintain the 360Ltr fuel tank to prevent condensation. Regularly inspect the canopy for corrosion and seal integrity.

G220X(JCB GENERATOR) common service parts

Part numberPart
332/Z0320Filter, FuelCheck fitment →
332/Z0606Element, Fuel FilterCheck fitment →
332/Z1425Unit, Fuel Pre-Filter AssemblyCheck fitment →
332/Z1427Head, Fuel Pre-FilterCheck fitment →
332/Z1063Filter, Fuel, AssemblyCheck fitment →

Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.

G220X(JCB GENERATOR) fault codes & troubleshooting

CodeMeaningLikely causeWhat to do
P0087Fuel Rail Pressure / System Pressure Too LowClogged fuel filters, failing lift pump, or restricted fuel line.Check fuel filter condition and fuel supply pressure.
P0117Engine Coolant Temperature Sensor Circuit Low VoltageFaulty coolant temperature sensor, shorted wiring, or poor connector contact.Inspect sensor wiring harness and connector pins for corrosion or damage.
P0521Engine Oil Pressure Sensor Range/Performance IssueFaulty oil pressure sensor or erratic signal from the sensor circuit.Verify oil level and inspect sensor electrical connections.
P2047Reductant Injector Circuit Open (SCR System Fault)Open circuit in the DEF/AdBlue injector wiring or faulty injector solenoid.Check injector wiring harness for breaks and connector integrity.
U0100Lost Communication with Engine Control Module (CAN Bus)Poor battery ground, low system voltage, or damaged CAN bus wiring.Check battery voltage, ground straps, and CAN bus connector pins.
101Transmission Clutch Pressure LowLow transmission fluid level or hydraulic pump issue.Check transmission fluid level and hydraulic pressure.
P0335Crankshaft Position Sensor 'A' Circuit No SignalFailed crank sensor, damaged wiring, or debris on sensor tip.Inspect crank sensor wiring and connector; check sensor gap.
P0102Mass Air Flow (MAF) Sensor Low Voltage FaultDirty or faulty MAF sensor, or intake air leak.Clean MAF sensor and inspect intake ducting for leaks.

Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.

G220X(JCB GENERATOR) attachments & work tools

JCB G220X Generator Set

The G220X is a 220 kVA standby power generator within the JCB Compact Range, powered by a JCB DieselMaxx 6-cylinder engine with an electronic governor. It is available in open or canopy configurations and includes a 360L integrated bunded fuel tank, central lifting point, and forklift pockets for site positioning.

JCB G220QX Generator Set

The G220QX is the 220 kVA prime power variant in the Compact Range, utilizing the same JCB DieselMaxx 6-cylinder engine architecture. It features a MeccAlte ECO38 2SN/4 alternator and a DeepSea 4510 controller, with a rated prime output of 200 kVA (160 kW) and standby output of 220 kVA (176 kW).

JCB G220RS Generator Set

The G220RS is a Tier 4 Final-compliant rental-ready generator in the RS Range, designed for North American markets. It delivers 200 kVA prime power and 220 kVA standby power, featuring a durable single-point lift, Camlock power connections, and a trailer-mounted chassis for mobility.

JCB 220X Tracked Excavator

The JCB 220X is a 20-tonne class tracked excavator featuring a JCB EcoMAX Tier 4 Final engine delivering 129 kW (173 hp) and a main hydraulic pump flow of 60.23 GPM. It has a maximum operating weight of 24,743 kg (51,723 lb), a max bucket capacity of 1.25 m³, and a max dig depth of 6.694 m.

Excavator Work Tools & Couplers

The 220X supports standard hydraulic quick couplers for buckets, breakers, and grapples, with customizable proportional controls for attachment speed and pressure. Factory options include Leica Geosystems Intelligrade machine control for automated boom and bucket positioning to improve grading accuracy.

Generator Options & Guarding

Generator options include synchronizing panels, auto main failure (AMF) control, and LiveLink telematics for fleet monitoring. Guarding features consist of heavy-gauge steel enclosures, three-stage fuel filtration, and weatherproof packs, with the G220QS spec listing bump protection blocks and door stays as standard.

All G220X(JCB GENERATOR) assemblies by section

Every catalogued assembly group for the Jcb G220X(JCB GENERATOR). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Z Jcb Generator Set
Z1-2-1 Engine, Complete, Nef 67tm3a
33***23Kit, Valve Grinding Set1
33***24Kit, Gasket Overhaul1
33***08Engine, Complete 6.7lt, N67mnta651
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Z1-3-1 Engine, Complete, Nef67te2a
33***89Engine, Complete, Nef67te2a1
33***90Kit, Gasket, Engine Overhaul1
33***91Kit, Valve Grinding Set1
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Z1-0-0 Mandatory Spare Parts
33***19Filter, Oil1
33***20Filter, Fuel1
33***21Nozzle, Fuel Injector6
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Z1-1-1 Engine, Complete, Nef67tm2a
33***23Kit, Valve Grinding Set1
33***24Kit, Gasket Overhaul1
33***46Engine, Complete, Nef67tm2a1
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Z4-2-1 Gasket Sets, Overhaul, Nef67te2a
33***90Kit, Gasket, Engine Overhaul1
33***91Kit, Valve Grinding Set1
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Z4-1-1 Gasket Sets, Overhaul, Nef67tm2a
33***23Kit, Valve Grinding Set1
33***24Kit, Gasket Overhaul1
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Jcb : G220x(Jcb Generator) : Z Jcb Generator Set : Z05 Overhaul & Service Kits
Z6-2-1 Fuel , Pre-Filter Assembly
02***58Isolator, Anti-Vibration2
33***06Element, Fuel Filter1
33***74Bolt, Hex Head, M10 X 302
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Z6-3-1 Oil, Filter, Nef67tm2a & Nef67te2a
Z6-1-1 Fuel Filter, Assembly, Nef67tm2a
33***20Filter, Fuel1
33***63Filter, Fuel, Assembly1
33***64Bolt, Hex Head, M8 X 252
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Z6-1-10 Fuel Filter, Assembly, Nef67te2a
32***21O Ring, Seal1
33***89Element, Fuel Filter1
33***99Bolt, Hex Head, M12 X 302
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Z8-3-1 Fan, Support, & Pulley
33***77Housing, Assembly1
33***78Bolt, Hex Head4
33***79Hub1
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Z8-1-1 Front End Drive, Accessories, Water Pump
33***22Belt, Fan1
33***67Bolt, Hex Head, M8 X 302
33***68Adjuster, Belt1
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Z8-2-10 Fan, &, Spacer Nef67tm3a & Nef67te2a
33***74Bolt, Hex Head, M10 X 306
33***75Spacer1
33***76Bolt, Hex Head, M10 X 1104
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Z8-2-1 Fan
33***73Fan1
33***74Bolt, Hex Head, M10 X 306
33***75Spacer1
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Z9-1-10 Starter Motor, Nef67te2a
33***05Motor, Starter1
33***96Stud, M10 X 503
33***97Nut, M103
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Z9-1-1 Starter Motor
33***39Motor, Starter1
33***74Bolt, Hex Head, M10 X 303
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Z10-3-1 Alternator, Service Parts
33***40Regulator, Voltage1
33***49Alternator1
33***98Nut, M161
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Z10-2-1 Mounting, Alternator
33***71Bolt, Hex Head, M10 X 701
33***94Mounting, Alternator1
33***95Washer, Sealing1
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Z10-1-1 Alternator, &, Mounting
33***49Alternator1
33***89Retainer1
33***90Bolt, Hex Head, M10 X 201
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Z11-1-10 Ecu Unit, &, Sensors Nef67te2a
02***58Isolator, Anti-Vibration3
33***30Adapter, M121
33***49Bolt, Hex Head2
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Z11-2-1 Engine, Harness, Nef67te2a
33***37Bolt, Hex Head1
33***21Harness, Engine1
33***22Clip2
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Z11-1-1 Senders
33***71Washer1
33***14Sender, Air Pressure1
33***15Adapter1
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Z12-2-1 Fuel Lines, Nef67tm2a, Tm3a
02***94Washer, Sealing1
33***04O Ring4
33***05Pipe, Fuel1
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Z12-1-1 Set, Fuel Injection, Pipes Nef67tm2a, Tm3a
33***65Kit, Injection Fuel Lines1
33***03Bolt, Hex Head2
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Z12-10-1 Fuel Pipes, Filter To Fuel Pump
33***04O Ring8
33***41Pipe, Fuel1
33***42Pipe, Fuel1
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Z12-3-1 Leakoff Pipe, Nef67tm2a, Tm3a
33***44Pipe, Fuel1
33***11Seal, Gasket6
33***12Screw, Connector, M66
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Z12-12-1 Fuel , Pipe Ecu To Pump
33***04O Ring2
33***14Washer5
33***25Banjo, Connector1
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Z12-11-1 Fuel , Pipe Filter To Manifold
33***04O Ring4
33***44Pipe, Fuel1
33***45Valve, Control1
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Z13-1-1 Fuel Injector, Nef67tm2a, Tm3a
33***48Nozzle, Fuel Injector1
33***17Nozzle, Fuel Assembly6
33***18Gasket1
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Z13-1-10 Fuel Injector, Nef67te2a
02***31O Ring1
33***90Nozzle, Fuel Injector6
33***50Screw12
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Z13-2-1 Fuel Manifold
33***03Bolt, Hex Head1
33***57Bolt, M8 X 201
33***55Manifold, Fuel1
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Z14-1-1 Fuel Injection Pump, Nef67tm2a
33***20Pump, Fuel Injection1
33***21Sensor1
33***22Cable1
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Z14-2-1 Fuel Injection Pump, Solenoid, Nef67tm2a
33***24Valve, Solenoid Etr, Fuel Injection Pump1
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Z14-10-1 Fuel Injection Pump, Nef67te2a
02***81Nut1
33***10Connector2
33***18Seal2
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Z14-1-10 Fuel Injection Pump, Nef67tm3a
33***21Sensor1
33***22Cable1
33***23Valve, Csa 12v1
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Z14-11-1 Fuel Pump, Mounting, Nef67te2a
02***80Gear, Injection Pump1
33***80Nut3
33***79Stud3
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Z15-1-1 Fuel Lift Pump, Nef67tm2a, Tm3a
02***94Washer, Sealing1
33***42Pump, Fuel Assembly1
33***13Bolt, Banjo1
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Z16-1-1 Water Pump
33***37Pump, Water1
33***29Bolt, Hex Head, M8 X 252
33***31Gasket1
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Jcb : G220x(Jcb Generator) : Z Jcb Generator Set : Z17 Water Inlet & Bleed
Z18-1-1 Thermostat & Housing, Nef67tm2a
33***32Thermostat1
33***33Gasket1
33***34Housing, Thermostat1
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Z18-1-10 Thermostat & Housing, Nef67tm3a
33***38Thermostat1
33***33Gasket1
33***34Housing, Thermostat1
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Z18-1-20 Thermostat & Housing, Nef67te2a
33***04Thermostat1
33***33Gasket1
33***49Bolt, Hex Head3
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Z19-1-1 Rocker Cover, Assemblies, Nef67tm2a
33***59Gasket, Rocker Cover6
33***38Cover, Rocker1
33***39Cover, Rocker1
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Z19-1-10 Rocker Cover, Nef67te2a
33***91Gasket, Rocker Cover1
33***83Cover, Rocker Assembly1
33***84Cap, Oil Filler1
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Z19-2-1 Crankcase, Breather, Nef67tm2a
33***47Valve, Breather1
33***48Gasket1
33***49Bolt, Hex Head3
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Z19-2-10 Crankcase, Breather, Nef67te2a
02***52O Ring1
33***97Kit, Breather1
33***50Screw3
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Z20-1-1 Rocker Assembly
Z20-1-10 Rocker Shaft, Assembly, Nef67te2a
02***40Housing, Rocker Lever1
33***98Washer3
33***02Shaft, Rocker Assembly6
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Jcb : G220x(Jcb Generator) : Z Jcb Generator Set : Z21 Valve Tappets & Push-Rods
Z22-1-10 Turbocharger, Nef67te2a
33***02Turbocharger1
33***62Gasket, Exhaust Manifold1
33***63Nut4
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Z22-1-1 Turbocharger, Nef67tm2a
33***35Turbocharger1
33***62Gasket, Exhaust Manifold1
33***63Nut4
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Z23-2-1 Turbocharger, Exhaust, Outlet
33***67Bolt, Hex Head, M8 X 306
33***67Clamp1
33***68Elbow1
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Z23-1-10 Turbocharger, Connector, Nef67te2a
33***64Gasket1
33***65Bolt, Hex Head, M8 X 225
33***66Flange, Adapter1
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Z23-3-1 Turbocharger, Lubrication Piping, Nef67tm2a, Tm3a
02***96Gasket, Turbo Oil Drain1
33***90Bolt, Hex Head, M10 X 201
33***29Bolt, Hex Head, M8 X 252
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Z23-1-20 Turbocharger, Connectors, Air Nef67te2a
33***67Clamp1
33***24Plug1
33***25O Ring1
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Z23-1-1 Turbo Pipework, Air Intake, Nef67tm2a
33***64Gasket1
33***65Bolt, Hex Head, M8 X 225
33***66Flange, Adapter1
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Z23-3-10 Turbocharger, Lubrication Piping, Nef67te2a
02***96Gasket, Turbo Oil Drain1
33***90Bolt, Hex Head, M10 X 201
33***78Adapter1
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Z25-1-1 Manifold, Induction
33***92Cover, Air Induction Manifold1
33***93Bolt, M8 X 2510
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Z25-1-10 Air Induction, Manifold, Nef67te2a
02***75Gasket, Liquid0
33***93Bolt, M8 X 257
33***59Bolt4
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Z26-1-1 Manifold, Exhaust
33***94Manifold, Exhaust1
33***95Gasket6
33***96Bolt, M10 X 656
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Z26-1-10 Exhaust , Manifold, Nef67te2a
02***98Gasket, Exhaust Manifold6
33***96Bolt, M10 X 659
33***97Spacer12
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Z27-1-10 Cylinder Head, &, Valve Assemblies Nef67te2a
33***41Head, Cylinder, C/W Valve Assemblies1
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Z27-2-1 Lifting Brackets, Engine
33***20Bracket, Engine Lifting1
33***21Bolt, Hex Head2
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Z27-1-1 Cylinder Head, Assembly
33***25Gasket, Cylinder Head, T=1.25mm1
33***32Valve, Inlet6
33***33Valve, Exhaust6
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Z27-1-20 Cylinder Head, Assembly, Nef67te2a
33***94Gasket, Cylinder Head1
33***99Valve, Inlet12
33***00Valve, Exhaust12
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Z27-2-10 Lifting Brackets, Engine, Nef67te2a
02***12Bracket, Lifting1
33***30Bolt4
33***59Bracket, Lifting1
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Z29-1-10 Oil Cooler, Assembly, Nef67te2a
02***17Gasket, Oil Cooler1
02***51Gasket, Filter Head1
33***63Cooler, Oil1
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Z29-1-1 Oil Cooler, Assembly
02***17Gasket, Oil Cooler1
02***51Gasket, Filter Head1
33***63Cooler, Oil1
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Z30-1-1 Dipstick, Assembly
33***43Switch, Oil Pressure1
33***48Plug, M141
33***49O Ring1
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Z30-1-10 Dipstick, Assembly, Nef67te2a
33***30Tube, Dipstick1
33***31Dipstick1
33***32Plug2
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Z31-2-1 Pump, Oil, Sump Extraction
33***58Pump, Sump Oil Extraction1
33***59Bracket, Oil Pump Support1
33***60Hose, Oil Extraction Pump1
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Z31-1-1 Oil Sump
02***32Plug, Threaded, M22 X 1.501
02***22Adapter1
02***23Gasket, Sump1
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Z32-1-1 Oil Pump
33***36Pump, Lubrication Oil1
33***43Bolt, Hex Head4
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Z33-1-1 Flywheel, Assembly
02***41Bolt8
33***45Flywheel, Assembly1
33***46Gear, Flywheel Ring1
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Z34-1-1 Flywheel Housing
02***72Seal, Oil1
33***56Dowel2
33***91Bolt, M8 X 172
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Z34-1-10 Flywheel Housing, Nef67te2a
02***75Gasket, Liquid0
02***72Seal, Oil1
33***56Dowel2
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Z35-1-10 Camshaft, Assembly, Nef67te2a
02***27Gear, Camshaft1
02***28Bracket, Camshaft Thrust1
33***91Bolt, M8 X 172
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Z35-1-1 Camshaft, Assembly
02***92Screw, Hex Flange Head6
33***61Gear, Camshaft Drive1
33***62Camshaft, Assembly1
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Z36-1-1 Front , Crank Case, Cover
02***75Gasket, Liquid0
02***83Seal, Oil1
33***91Bolt, Hex Head8
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Z36-1-10 Front , Crank Case, Cover Nef67te2a
02***75Gasket, Liquid0
02***83Seal, Oil1
33***65Bolt, Hex Head5
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Z36-2-10 Rear, Crank Case, Cover Nef67te2a
02***75Gasket, Liquid0
33***56Dowel2
33***91Bolt, Hex Head2
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Z36-2-1 Crankcase, Rear Cover
33***56Dowel2
33***91Bolt, Hex Head5
33***37Bolt, Hex Head4
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Z37-1-10 Piston & Con-Rod, Assemblies, Nef67te2a
33***29Kit, Main Bearing Standard6
33***81Rod, Connecting, Assembly6
33***82Bush, Small End1
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Z37-1-1 Piston & Con-Rod, Assemblies
33***26Piston, Assembly6
33***27Kit, Piston Rings, Standard6
33***29Kit, Main Bearing Standard6
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Z38-1-1 Crankshaft Assembly
02***11Gear, Crankshaft1
02***78Dowel1
33***28Bearing, Main Standard6
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Z38-1-10 Crankshaft Assembly, Nef67te2a
02***11Gear, Crankshaft1
02***78Dowel1
33***28Bearing, Main Standard6
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Z39-2-1 Plate, Cylinder, Block Stiffener
33***69Plate, Cylinder Block Stiffener1
33***70Bolt, Hex Head, M10 X 254
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Z39-1-1 Block Assembly, Nef67tm2a
02***70Screw, Hex Head Flanged, M12 X 12014
33***43Switch, Oil Pressure1
33***47Bolt, Banjo, M81
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Z42-1-1 Engine Mounting
33***99Bolt, Hex Head, M12 X 306
33***00Bracket, Front Engine Mounting, R/H1
33***01Bracket, Front Engine Mounting, L/H1
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Z43-1-1 Air Filter
33***46Element, Air Filter1
33***02Filter, Air Assembly1
33***03Cover, Rain Cap1
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Z46-4-1 Fan Guards
33***08Bolt, M8 X 1611
33***87Nut, M83
33***19Guard, Finger1
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Z47-2-10 Cooler, Combination, Hoses And Pipework, Nef67tm3a
33***67Bolt, Hex Head, M8 X 304
33***28Clamp6
33***29Hose, Air Charge Cooler2
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Z47-2-1 Cooler, Combination, Hoses And Pipework, Nef67tm2a
33***64Bolt, Hex Head, M8 X 251
33***67Bolt, Hex Head, M8 X 304
33***28Clamp6
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Z47-1-1 Cooler Assembly
33***47Cap, Radiator 1 Bar1
33***25Cowling, Fan1
33***26Radiator1
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Z47-1-10 Cooler Assembly, Nef67tm3a
33***47Cap, Radiator 1 Bar1
33***26Radiator1
33***27Cooler, Charge Air1
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Jcb : G220x(Jcb Generator) : Z Jcb Generator Set : Z48 Radiator/Cooler Hoses & Pipes
Z60-2-1 Chassis, Canopy Builds, Te2a
33***14Frame, Canopy Support, Lower1
33***33Nut1
33***34Pipe, Fuel Filler1
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Z60-1-1 Chassis, Canopy Builds, Tm2 & Tm3
33***14Frame, Canopy Support, Lower1
33***33Nut1
33***34Pipe, Fuel Filler1
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Z60-1-10 Chassis, Frame & Components, Without Canopy
33***39Mounting, Rubber8
33***72Meter, Fuel1
33***73Bolt2
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Z61-2-1 Canopy, Assembly, Rental Range
33***51Cover1
33***53Dowel, Location8
33***56Hinge6
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Z61-1-1 Canopy, Assembly, Standard Range
33***51Cover2
33***53Dowel, Location4
33***56Hinge10
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Z62-2-1 Generator Alternator, Uci274f
32***08Regulator, A.V.R Sx4601
32***99Kit-Rectifier, Service1
32***23Regulator, As440; Sa465 See Bulletin1
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Z62-1-1 Generator Alternator, Uci274e
32***08Regulator, A.V.R Sx4601
32***99Kit-Rectifier, Service1
32***20Alternator, Assembly, Uci 274e-161
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Z62-3-1 Generator Alternator, Uci274h
32***08Regulator, A.V.R Sx4601
32***99Kit-Rectifier, Service1
32***73Strip, Seal Filler, Pw50131
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Z63-10-1 Kit, Conversion, Can/Usb
33***91Kit, Can/Usb Converter; Kit Consists Of: Cc/Usb Converter; Usb Cable; Db9 Connector;, Telecontrol Software; Configuration Software1
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Z66-2-1 Battery, Cables
33***43Battery, Cables1
33***50Battery, Gel Type1
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Z66-4-1 Battery, Cables, & Isolation Kit
33***30Kit, Battery Isolator, 11091
33***31Battery, Cables, Iveco 200kva1
70***67Battery, Gel Type1
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Z66-1-1 Battery, Cables, & Isolator
33***30Kit, Battery Isolator, 11091
33***33Battery, Cables, Iveco 12v1
33***50Battery, Gel Type1
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Z66-5-1 Battery, Cables, & Isolation Kit
33***30Kit, Battery Isolator, 11091
33***44Battery, Cables1
70***67Battery, Gel Type1
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Z66-3-1 Battery, Cables, & Isolation Kit
33***30Kit, Battery Isolator, 11091
33***46Battery, Cables1
70***67Battery, Gel Type1
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G220X(JCB GENERATOR) serial number reference

Locate the machine identification plate riveted to the generator frame. Verify the serial number falls within the 1650000 to 1699999 range and confirm the model designation is G220X. Confirm applicability with a JCB dealer if the serial number is outside this range or if the engine configuration differs.

PrefixIdentifies
1650000 to 1699999Applicability: JCB G220X Generator Set (Iveco engine, 50Hz and 60Hz variants). Sourced from the JCB Service Parts Plus catalog (2017) and the Operator’s Manual for the G130RX through G220X series, which list this serial block for the G220X under the 'Generators 144 to 220 Range Iveco' section.

Frequently asked questions

What engine does the JCB G220X use?

The JCB G220X uses a JCB DieselMaxx 6-cylinder engine with an electronic governor, based on the 4.8-litre engine platform. It is available in Tier IIIa emissions compliant versions.

What is the operating weight of the JCB G220X?

The operating weight of the JCB G220X is 2,700 kg (5,952 lb).

What replaced the JCB G220X?

The JCB G220X is part of the 144 to 220 kVA generator range. It is succeeded by newer models in the JCB generator lineup, but specific successor model designations are not documented in the provided sources.

What G220X(JCB GENERATOR) owners discuss

What engine powers the JCB G220X generator, and what are its key power specifications?
The JCB G220X generator uses a JCB DieselMaxx 6-cylinder engine with an electronic governor. The standby power rating is 220 kVA (176 kW), and the rated prime power is 200 kVA (160 kW). The unit weighs 2,700 kg and measures 380 × 114 × 205 cm. It is available in Tier IIIa emissions compliant configurations.
What are the common electrical or sensor issues reported for JCB machinery with similar electronic monitoring systems?
Common issues include EMS (Electronic Monitoring System) display failures where lights flash briefly then turn off, often linked to battery voltage dropping below 11.5 V. Fault code 1204 indicates low battery voltage preventing start attempts. Other frequent faults involve lost CAN communication with the ECM (U0100), low fuel rail pressure (P0087), and coolant temperature sensor circuit low voltage (P0117). Wiring harnesses near the engine and transmission are prone to rubbing, fraying, or melted insulation due to vibration.
What are typical undercarriage or wear patterns for the JCB 220X excavator?
The JCB 220X excavator has a conventional tailswing design and a max operating weight of 24,743 kg. It features a JCB EcoMAX Tier 4 Final engine delivering 173 hp and 509 lb-ft of torque. The hydraulic system provides a main pump flow of 60.23 GPM with system pressures up to 5,410 psi. The cab is pressurized and sound-insulated with a mechanical suspension seat.
What engine quirks are associated with JCB DieselMaxx and EcoMAX series engines?
JCB DieselMaxx engines rely on glow plugs for cold starting; failure of the glow plug relay or timer causes hard starting in cold weather. EcoMAX Tier 4 Final engines require strict adherence to oil change intervals (up to 500 hours with ultra-low sulfur diesel) to prevent service alerts. Low power output is often caused by fuel system faults or restricted air intake. Unusual deep, rhythmic knocking under load indicates serious internal engine damage.
What are common hydraulic or powertrain behaviors in JCB backhoes and excavators?
In JCB backhoes, forward/reverse movement issues are often electrical, involving microswitches on the shuttle lever that activate hydraulic solenoids on the transmission body. A failed forward microswitch or solenoid causes the machine to rev but not move forward. In excavators, hydraulic performance is tied to main pump flow (e.g., 60.23 GPM on the 220X) and system pressure (up to 5,410 psi). Low transmission clutch pressure (Fault Code 101) can also affect powertrain engagement.
What should be checked when buying a used JCB G220X generator?
Verify the engine is a JCB DieselMaxx 6-cylinder with an electronic governor. Check the DeepSea 4510 controller for fault codes, especially 1204 (low battery voltage). Inspect the 360Ltr bunded integrated fuel tank for leaks. Ensure the MeccAlte ECO38 2SN/4 alternator is functional. Confirm the presence of the 320Amp MCB, battery charger, and engine block heater. Check the weatherproof enclosure for damage and verify the JCB LiveLink system is operational.
What safety-critical fixes require dealer verification?
Resetting emissions-related 'Derate' codes requires a JCB Service Master tool or compatible diagnostic scanner. Any limp mode switch adjustments behind the seat or key switch operations near the service port must be verified by a dealer to ensure proper machine operation and safety interlocks. Battery voltage thresholds below 11.5 V must be addressed by a professional to prevent starter motor and controller damage.

Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.

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