Jcb G100RX(JCB GENERATOR)
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Jcb G100RX(JCB GENERATOR)

Maintenance schedule, common problems & OEM parts breakdown

The JCB G100RX is a 100 kVA rental-ready diesel generator from the RS range, designed for the North American market. It features a Tier 4 Final compliant JCB Dieselmax engine and a water-cooled 4-pole alternator. The unit is housed in a heavy-duty corrosion-resistant steel canopy with a bunded base offering 110% overfill capacity. Configurations include open, canopy, and container types, with prime power ratings of 100 kVA (80 kW) and standby ratings of 110 kVA (88 kW). The machine weighs approximately 1,550 kg to 1,700 kg depending on the specific sub-model and trailer configuration.

The G100RX represents JCB's shift toward Stage V and Tier 4 Final emissions compliance in the rental sector, replacing earlier Stage I and Stage IIIA models like the G100QI. In the used market, its Dieselmax engine eliminates the need for DEF or DPF regeneration, reducing operational complexity for rental fleets. The transition to Stage V engines in later serial ranges requires specific maintenance attention to aftertreatment systems, making accurate serial identification critical for parts and service compatibility.

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 G100RX(JCB GENERATOR) specifications

Engine

ModelJCB 448TAG-92
Configuration4.8L, turbocharged diesel
Emissions TierStage V (G100RS); CPCB IV+ (G100QI)
Rated Speed1500 RPM
Engine Output92 kW (123 hp)

Weights

Dry Weight1,550 kg (3,417 lb)

Dimensions

Length2.5 m (8.2 ft)

Performance

Prime Power Rating100 kVA / 80 kW
Standby Power Rating110 kVA / 88 kW
Frequency50/60 Hz (switchable)
Alternator4-pole, water-cooled
Control PanelDeepsea 8610

Service capacities (summary)

Fuel Tank Capacity260 L (68.6 gal)

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

Jcb G100RX(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.
  • Inspect fuel water separator for accumulation.
  • Walk around for fluid leaks under engine and alternator.
  • Verify battery terminal tightness and charge state.
Every 500 h
  • Replace engine oil and oil filter.
  • Replace primary and secondary fuel filters.
  • Inspect and clean or replace air filter element.
  • Inspect drive belts for tension and wear.
  • Grease all alternator and engine mounting points.
  • Check battery electrolyte level on non-sealed units.
Every 1,000 h
  • Replace engine coolant and flush system.
  • Inspect turbocharger shaft play and charge cooler boots.
  • Test alternator and starter load output.
  • Inspect fuel lines and clamps for chafing.
  • Check exhaust manifold and downpipe integrity.
  • Inspect control panel wiring harness for damage.
Every 2,000 h
  • Replace hydraulic oil and clean tank sump.
  • Inspect structural chassis and canopy for cracks.
  • Check injector spray pattern via diagnostic tool.
  • Inspect alternator bearings and brushes.
  • Test emergency stop and safety interlock circuits.
  • Inspect fuel tank vent line for blockage.

Servicing the G100RX(JCB GENERATOR) beyond the schedule

Predictive Maintenance & Fluid Analysis

Baseline fluid samples at the 500-hour interval are critical for the G100RX. Test engine oil, hydraulic oil, and coolant for silicate separation and fuel dilution. Monitor coolant pH levels closely; brown sludge in the expansion tank indicates silicate failure requiring immediate flushing. Check fuel filter restriction indicators regularly to protect common-rail injectors from contamination. Use JCB-approved 15W-40 multigrade oil meeting the engine's API specification. Record hour meter readings accurately to predict component wear before failure occurs.

Corrective & Common Repairs

Common repairs on the G100RX involve the JCB Dieselmax engine's fuel system and electrical components. Replace primary and secondary fuel filters at 500 hours to prevent injector damage. Inspect alternator brushes and bearings for wear, as these are high-failure points in rental applications. Check the starter motor solenoid and battery cables for corrosion. Replace worn drive belts and tensioners during the 500-hour service. Address any hydraulic hose chafing near the alternator or engine mounts immediately to prevent fluid loss and fire hazards.

Overhaul & Rebuild Points

The 2,000-hour interval marks the deep service point for the G100RX. Drain and clean the hydraulic tank sump to remove metallic debris. Inspect turbocharger shaft play and wastegate function for wear. Check injector spray patterns using a diagnostic tool; replace injectors showing poor atomization. Inspect alternator windings and rectifier for insulation breakdown. Examine the engine block and cylinder head gasket for coolant leaks. Measure swing ring or mounting bolt torque if applicable to the trailer chassis. Plan for a major engine overhaul if compression tests reveal significant loss.

Seasonal & Environment Servicing

In cold environments below 4°C (40°F), use low-temperature fuel additives to prevent waxing. Verify glow plug operation for reliable cold starts. In hot climates, monitor the charge air cooler and radiator fins for debris buildup. Clean the cooling system annually to maintain thermal efficiency. Inspect the canopy ventilation fans and filters to ensure adequate airflow for the engine and alternator. Check the bunded base for corrosion or damage that could compromise environmental containment. Adjust belt tension seasonally as temperature changes affect rubber elasticity.

G100RX(JCB GENERATOR) common service parts

Part numberPart
32/925694Element, Fuel FilterCheck fitment →
32/925717Filter, Fuel Sediment, 30 MicronCheck fitment →
320/20166G.A, Fuel Filter & Lp Pipes Na & Tc, GensetCheck fitment →
320/04114Retainer, Fuel FilterCheck fitment →
320/07155Filter, Fuel - 5 Micron, Self Colour CanCheck fitment →

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

G100RX(JCB GENERATOR) fault codes & troubleshooting

CodeMeaningLikely causeWhat to do
P0087Fuel Rail 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 for damage or corrosion.
P0521Engine Oil Pressure Sensor Range/Performance IssueFaulty oil pressure sensor or erratic signal from the sensor.Verify oil pressure with a mechanical gauge and inspect sensor wiring.
P2047Reductant Injector Circuit Open (SCR System)Open circuit in the DEF/AdBlue injector wiring or faulty injector solenoid.Check injector connector and wiring harness for breaks or corrosion.
U0100Lost Communication with Engine Control ModuleDamaged CAN bus wiring, poor ground connection, or low battery voltage.Inspect battery terminals, ground straps, and CAN bus connectors.
101Low Transmission Clutch PressureLow hydraulic fluid level, faulty pressure sensor, or transmission pump issue.Check hydraulic fluid levels and inspect transmission pressure sensor.

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

G100RX(JCB GENERATOR) attachments & work tools

Generator Power Ratings

Prime Power Rating (PRP) is 100 kVA (80 kW). Standby Power Rating (ESP) is 110 kVA (88 kW). Output is 3-phase at 50/60 Hz switchable.

Engine Configuration

Powered by a 4.8L JCB 448TAG-92 turbocharged diesel engine. The G100RS variant is Stage V emissions-compliant. Rated speed is 1500 RPM.

Alternator & Electrical

Features a 4-pole, water-cooled alternator. Includes an integrated Deepsea 8610 control panel. Optional 480V, 208V, and 240V rotary selector switch available.

Fuel System

Internal fuel tank capacity is 260 L. Includes a 3-way fuel valve. Compatible with external bulk fuel tank connections.

Canopy & Base

Constructed with heavy-duty corrosion-resistant steel canopy and a durable bunded base with 110% overfill capacity. Base frame includes anchor points and oversized fork pockets.

Lifting & Transport

Equipped with a central lifting point. Designed for trailer mounting with options for electric or hydraulic brakes. Includes a 3-inch pintle eye and 7-pin electrics.

Acoustic & Cooling

Designed for silent or super-silent operation with optimized fan design for cooling at all loads. Extensive vibration analysis minimizes engine noise.

Telematics & Monitoring

Includes JCB LiveLink telematics for remote management. Monitors fuel consumption, engine health, hours of operation, and temperature fluctuations.

Dimensions & Weight

Dry weight is approximately 1,550 kg to 1,700 kg depending on configuration. Length is 2.5 m. Width and height vary by canopy configuration.

Emissions & Compliance

G100RS models are Stage V compliant. G100QI models meet CPCB IV+ standards in India. Full band EMC standards compliance is standard.

All G100RX(JCB GENERATOR) assemblies by section

Every catalogued assembly group for the Jcb G100RX(JCB GENERATOR). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Z Electrical Power Generation, Unit
Z1-2-1 Engine 320/40106, Complete, Nat/Aspirated 74kw
32***06Engine, Assembly 74kw 12v, Tc, Euro 2 11.5" F/W1
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Z1-1-1 Engine 320/40255, Complete, Tca Turbo 100kw
32***55Engine, Complete 100kw 12v, Euro 2 11.5"F/W1
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Z2-2-1 Sealant Templates
89***49Template, Oil Pan Sealant1
89***75Template, Sealant, Bedplate To Block1
89***77Template, Sealant, Flywheel, Housing To Gearcase1
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Z2-1-1 Service Tools
32***20Bracket, Engine Lifting1
89***46Tool, Fitting, Core Plug1
89***47Tool, Crankshaft Turning1
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Z3-1-1 Lubricants Primers, & Sealants
32***28Sealant, 6200
32***29Lubricant, O Ring, P800
32***30Sealant, 59000
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Z4-1-1 Seal Kit, Rocker Cover
32***92O Ring, Oil Filler Cap1
32***87Cap, Fuel Injector4
32***88Cap, Fuel Pipe8
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Z4-2-1 Gasket Set, Top Overhaul
32***08Gasket, Cylinder Head1
32***33Seal, Valve Stem16
32***40O Ring1
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Z4-3-1 Gasket Set, Bottom Overhaul
32***31Sealant, 5181
32***29Seal, Rear Oil1
32***19Seal, Front Oil1
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Z4-5-1 Gasket Set, Top Overhaul, Tc
32***08Gasket, Cylinder Head1
32***33Seal, Valve Stem16
32***40O Ring2
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Z4-4-1 Seal Kit, Oil Pan
32***30Sealant, 59001
32***50O Ring2
32***62Seal, Oil-Pick-Up1
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Z5-2-1 Engine, Short, Tc 320/40060
32***29Seal, Rear Oil1
32***19Seal, Front Oil1
32***17Kit-Top Gasket, Turbo Engine1
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Z5-6-3 Kit-Engine Overhaul, Oversize - 1.00mm, Tc
32***40Bolt, Con-Rod, M8 X 578
32***39Kit-Piston, Oversize - 1.0mm, Turbocharged4
32***80Kit-Top Gasket, Turbo Engine1
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Z5-4-1 Engine, Long, Tc 320/40081
32***32Gear, Crankshaft, Assembly1
32***43Kit-Gasket, Long Engine, Tc/Tca1
32***03Piston, & Con-Rod, Assembly1
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Z5-6-2 Kit-Engine Overhaul, Oversize - 0.50mm, Tc
32***40Bolt, Con-Rod, M8 X 578
32***38Kit-Piston, Oversize - 0.50mm, Turbocharged4
32***80Kit-Top Gasket, Turbo Engine1
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Z5-6-1 Kit-Engine Overhaul, Standard, Tc
32***40Bolt, Con-Rod, M8 X 578
32***11Kit-Piston, Standard, Turbo4
32***80Kit-Top Gasket, Turbo Engine1
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Z6-2-1 Oil Filter
32***33Filter, Engine Oil1
32***23G.A, Oil Cooler 60kw, Inc Filter/Filler1
32***24Cooler, Oil, Inc Filter/Filler1
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Z6-3-1 Primary Fuel Filter
13***7ZScrew, M8 X 252
13***7ZScrew, M12 X 252
32***94Element, Fuel Filter1
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Z6-1-1 Fuel Filter
13***5ZBolt, Flange Head, M8 X 20 Lg1
21***07Pin, Tension1
32***14Retainer, Fuel Filter1
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Z6-4-1 Primary Fuel Filter, Element, Cold Climate
32***05Element, Fuel Sediment/Water, 150 Microns1
32***33Seal, O'Ring1
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Z8-3-1 Lower Idler Pulley, 79mm Diameter
13***9ZBolt, M8 X 35, Flange Reduced Hex2
13***1ZBolt, M8 X 45, Flange Reduced Hex1
32***86Pulley, Lower Idler, Assembly1
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Z8-3-2 Lower Idler Pulley
13***5ZBolt, Flange Head, M8 X 653
22***62Circlip, Internal1
32***22Pulley, Idler, D=124mm1
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Z8-1-1 Crankshaft Pulley
32***69Bolt, Torx Head Flange, M12 X 65 X 12.93
32***43Pulley, Crankshaft1
32***01Crankshaft, Assembly1
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Z8-2-1 Autotensioner, Drive Belt
13***8ZScrew, Star Drive, M8 X 303
32***84Adjuster, Auto-Tension1
32***46Adjuster, Autotensioner1
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Z8-12-4 Front End Drive, Accessories, With Cooling Fan
32***03Pulley, Cooling Fan 1.25:1, D=133mm1
32***41Screw, Pan Head, M8 X 204
32***50Hub, Fan Drive, Assembly 1.375 Ratio1
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Z8-8-1 Front End Drive, Accessory, 79mm Diameter Idler Pulley
32***00Hub, Fan Drive, Assembly1
32***41Screw, Pan Head, M8 X 201
32***72Pulley, Fan, D=166, Ratio 1:11
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Z8-12-3 Front End Drive, Accessory, With Cooling Fan
32***00Hub, Fan Drive, Assembly1
32***03Pulley, Cooling Fan 1.25:1, D=133mm1
32***30Pulley, Idler, Long1
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Z9-1-1 Starter Motor, 12.Volt
13***8ZScrew, Star Drive, M10 X 303
32***32Motor, Starter 12v, With Earth Stud1
32***52Motor, Starter1
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Z10-1-1 Alternator, 12volt - 95amp
13***8ZScrew, Star Drive, M10 X 301
13***2ZBolt, Star Drive, M10 X 1201
32***60Alternator, 12v-95amp1
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Z11-1-1 Switches & Senders, 12volt
17***02Seal, Ring1
32***46Switch, Oil Pressure1
32***57Seal, Bonded1
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Z12-2-1 Fuel Pipework, Low Pressure
32***39Bolt, Banjo M122
32***33Ring, Snap1
32***34O Ring4
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Z12-1-1 Fuel Pipework, High Pressure
32***11Clip, F.I.P 2 Way4
32***59Pipe, Fuel, Injector 1 & 2, Assembly1
32***60Pipe, Fuel Injector 3 & 4, Assembly1
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Z12-3-1 Fuel Pipework, Primary Filter
32***41Pipe, Fuel Filter To Pump1
32***42Clip, Pipe, 8/9mm Dia1
32***43Clip, Pipe, 9.5/10mm Dia1
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Z12-2-10 Fuel Pipes, Low Pressure, Tca
32***39Bolt, Banjo M122
32***33Ring, Snap1
32***34O Ring4
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Z13-1-1 Fuel Injector, Tca
32***93Bolt, Injector Clamp4
32***39Clamp, Fuel Injector4
32***24Seal, Injector1
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Z13-2-1 Fuel Injector, Tc
32***93Bolt, Injector Clamp4
32***39Clamp, Fuel Injector4
32***24Seal, Injector1
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Z14-1-1 Fuel Lift Pump
13***7ZScrew, Star Drive, M8 X 253
32***40Pump, Fuel Lift1
32***51O Ring1
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Z15-50-1 Injection Pump, Service Parts
32***74Kit-Regulator1
32***75Kit-Timing Window1
32***76Kit-Plug1
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Z15-1-1 Fuel Injection Pump, 12v - 110kw
32***19Seal, Injection Pump To Timing Case1
32***64Nut, M8 Flange Head3
32***77Nut, M14, Fuel Injection Pump Gear1
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Z15-2-1 Fuel Injection Pump, 12v - 74kw
32***19Seal, Injection Pump To Timing Case1
32***64Nut, M8 Flange Head3
32***77Nut, M14, Fuel Injection Pump Gear1
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Z16-1-1 Water Pump
32***10Gasket, Water Pump1
32***14Screw, Pan Head, M8 X 254
32***42Pump, Water, Assembly1
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Z17-1-1 Water Inlet, Connector
13***7ZScrew, Star Drive, M8 X 254
32***01Gasket, Water Inlet Pipe1
32***47Connector, Water Inlet, Assembly1
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Z18-1-1 Thermostat & Housing
13***5ZScrew, Star Drive, M8 X 203
32***40Housing, Thermostat1
32***43Seal, C1
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Z19-1-1 Rocker Cover
32***90Cap, Oil Filler, Assembly1
32***92O Ring, Oil Filler Cap1
32***73Spring, Ccv Valve1
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Z19-11-1 Cover, Injector Seal
32***16Cover, Injector Seal1
32***17Insert, Injector Seal Cover4
32***21G.A, Cover.Injector Seal1
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Z20-3-1 Rocker Shaft, Assembly
13***2ZBolt, M8 X 507
13***5ZBolt, Flange Head, M8 X 651
32***23Washer, Spring4
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Z21-2-1 Valve Tappets & Push, -Rods
32***24Tappet, Valve8
32***77Rod, Push8
32***05Camshaft, Assembly1
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Z22-2-1 Turbocharger, Tca
32***07Stud, M8 X 754
32***08Nut, Lock, M8 Special4
32***53Gasket, Single, Tc To Manifold1
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Z22-1-1 Turbocharger, Tc
32***07Stud, M8 X 754
32***08Nut, Lock, M8 Special4
32***53Gasket, Single, Tc To Manifold1
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Z23-1-1 Turbo Pipework
13***3ZScrew, M6x162
13***5ZScrew, Star Drive, M8 X 202
32***51O Ring2
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Z23-2-1 Turbo Crossover Tube
32***14G.A, Turbo Crossover Tube, Garrett Htt1
32***33Tube, Turbo Crossover1
32***36Hose, 49.5mm X 55mm2
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Z23-1-10 Turbo Pipework
13***3ZBolt, M6 X 16, Flange Reduced Hex2
13***5ZScrew, Star Drive, M8 X 202
32***51O Ring2
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Z25-4-1 Induction Manifold, Tca
13***7ZScrew, Star Drive, M8 X 2510
32***11Plate, Blanking, Intake Heater1
32***12Gasket, Intake Heater1
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Z26-2-1 Exhaust Manifold, Tc
32***00Manifold, Exhaust1
32***35Gasket, Heatshield1
32***45Bolt, M10 X 578
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Z27-3-1 Cylinder Head, Assembly
14***15Washer, Seal; Replaces Khj08911
32***03Plug, Core, D=40mm2
32***28Sealant, 6200
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Z28-1-1 Brackets, Engine Lifting
13***8ZScrew, Star Drive, M10 X 304
32***20Bracket, Engine Lifting2
32***39Label, Front Lifting Eye1
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Z29-4-1 Oil Cooler
13***5ZBolt, Flange Head, M8 X 20 Lg5
13***7ZBolt, M8 X 25, Flange Reduced Hex11
21***07Pin, Tension1
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Z30-1-1 Oil Level Dipstick, & Tube, Short
13***5ZBolt, Flange Head, M8 X 20 Lg1
32***27O Ring2
32***29O Ring1
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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
13***3ZScrew, Star Drive, M8 X 162
32***13Plug, Oil Drain2
32***50O Ring2
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Z32-1-1 Oil Pump
13***2ZScrew, Star Drive, M8 X 504
32***31Pump, Engine Oil1
32***20Pump, Oil1
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Z33-1-1 Flywheel Assembly, 11.5"Sae J620
32***42Bolt, M14 X 108mm8
32***72Flywheel, Assembly1
32***75Hub, Flywheel1
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Z34-1-1 Flywheel Housing, Fh1
13***3ZScrew, Star Drive, M8 X 162
13***7ZScrew, Star Drive, M8 X 254
13***2ZScrew, Star Drive, M8 X 508
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Z35-2-1 Camshaft, & Idler Gear, Tc
32***30Camshaft, Assembly, Tc/Tca1
32***36Plug, Idler Gear Blanking, M8 X 183
32***06Camshaft, Assembly1
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Z36-1-1 Timing Case & Covers, Idler Blanking
13***7ZScrew, Star Drive, M10 X 252
13***9ZScrew, Star Drive, M12 X 352
32***25Sealant, Loctite 51820
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Z37-2-1 Piston & Con-Rod, Assemblies, Tc
32***17Bush, Small End1
32***40Bolt, Con-Rod, M8 X 572
32***50Circlip2
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Z37-2-1 Piston & Con-Rod, Assemblies, Tca
32***17Bush, Small End1
32***40Bolt, Con-Rod, M8 X 572
32***50Circlip2
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Z38-5-1 Crankshaft Assembly, 11.5" Flywheel
13***1ZScrew, Star Drive, M10 X 451
21***05Dowel, Pin2
32***75Hub, Flywheel1
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Z39-3-1 Cylinder Block, Assembly, Tca
13***5ZScrew, Star Drive, M8 X 202
13***8ZBolt, Star Drive, M8 X 8016
32***01Plug, Core, D=25mm1
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Z39-2-1 Cylinder Block, Assembly, Tc
13***8ZBolt, Star Drive, M8 X 8016
32***01Plug, Core, D=25mm1
32***02Plug, Core, D=36mm2
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Z42-1-1 Mountings, Engine & Power Unit
13***7ZBolt, M12 X 25mm, Reduce Flange Hex8
13***8ZBolt, Flange Head, M12 X 308
13***0ZBolt, Flange Head, M16 X 352
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Z43-1-1 Air Filter, Installation
13***9ZSetscrew, M8x352
13***7ZScrew, M10 X 253
16***77Cap, Rain1
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Z43-2-1 Air Filter, Installation
13***8ZBolt, M8 X 30, Flange Reduced Hex2
13***7ZBolt, M10 X 25, Flange Reduced Hex3
13***3ZNut, Self Lock, M82
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Z44-1-1 Air Induction Hoses, Turbo
16***74Adapter, Vacuum Sensor1
22***13Clip, Jubilee; Replaces Khj03361
22***16Clip, Jubilee1
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Z44-2-1 Air Induction Hoses, Turbo
16***74Adapter, Vacuum Sensor1
22***13Clip, Jubilee; Replaces Khj03361
22***15Clip, Jubilee1
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Z46-1-1 Radiator & Fittings, Mountings
13***3ZBolt, M6 X 16, Flange Reduced Hex17
13***2ZBolt, M8 X 501
13***8ZBolt, M10 X 30, Flange Reduced Hex4
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Z46-2-1 Fittings & Mountings, Coolers
13***9ZBolt2
13***2ZBolt, M8 X 501
13***7ZBolt, M10 X 25, Flange Reduced Hex4
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Z46-11-1 Fan Guards
13***3ZBolt, M6 X 16, Flange Reduced Hex6
32***17G.A., Cooling Pack - Na, Canopy0
32***49G.A, Cooling Pack - G-Drive0
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Z47-1-10 Cooling Pack, Assembly
16***80Cap, 1 Bar Pressure1
22***12Clip, Jubilee12
32***32Guard, Fan, Assembly, Tca1
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Z47-2-1 Fan Guards
13***7ZScrew, M6 X 25mm Long25
32***28Guard, Fan, Right Hand1
32***29Guard, Fan, Idler Pulley1
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Z47-1-1 Radiator Assembly
32***17G.A., Cooling Pack - Na, Canopy1
33***38Radiator1
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Z48-11-1 Radiator, Coolant Drain
22***05Clip, Jubilee2
32***32G.A, Coolant Drain1
33***18Adaptor, Bulkhead1
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Z48-1-1 Radiator, Hose & Pipework
22***01Clip, Jubilee3
22***12Clip, Jubilee4
32***14Tank, Coolant Recovery1
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Z49-1-1 Cooling Fan & Spacer
13***5ZBolt, Flange Head, M8 X 654
32***94Fan, 22" Pusher1
32***19G.A., Engine Fan, Canopy1
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Z49-1-10 Cooling Fan, &, Spacer Tca
13***5ZBolt, Flange Head, M8 X 654
14***7DWasher, M8 Plain4
32***39Fan, Cooling, 24" Pusher1
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Z50-15-1 Primary Fuel Filter, Installation
13***7ZScrew, M8 X 252
13***7ZScrew, M12 X 252
32***17Filter, Fuel Sediment, 30 Micron1
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Z50-11-1 3-Way Ball Valve
13***1ZScrew4
13***3ZNut4
14***15Washer, Seal; Replaces Khj08914
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Z51-1-1 Primary Fuel Filter
32***02Ring, Retaining1
32***03Seal, Dust1
32***94Element, Fuel Filter1
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Z58-2-1 Ccv Filter Outlet, Tca
32***53Clip1
32***19G.A, Ccv Breather Tca0
32***43G.A, Ccv Breather Tca0
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Z58-1-1 Ccv Filter Outlet
13***3ZBolt, M6 X 16, Flange Reduced Hex1
32***19G.A., Breather1
33***20Hose, Ccv1
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Z60-1-1 Chassis, Canopy Builds, D2
33***14Frame, Canopy Support, Lower1
33***29Clamp3
33***30Pipe, End Silencer1
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Z61-2-1 Canopy, Assembly, Standard Range
33***51Cover2
33***53Dowel, Location2
33***56Hinge6
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Z61-1-1 Canopy, Assembly, Rental
33***51Cover2
33***53Dowel, Location2
33***56Hinge2
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Z62-2-1 Generator Alternator, Uci224g
32***08Regulator, A.V.R Sx4601
32***99Kit-Rectifier, Service1
32***79Alternator, Assembly, Uci 224 G161
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Z62-3-1 Generator Alternator, Uci274d
32***08Regulator, A.V.R Sx4601
32***99Kit-Rectifier, Service1
33***24Regulator, Voltage, Mx341 Avr1
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Z62-1-1 Generator Alternator, Uci224e
32***08Regulator, A.V.R Sx4601
32***69Alternator1
32***99Kit-Rectifier, Service1
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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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Z65-11-10 Engine Electrics, Tca
13***7ZBolt, M12 X 25mm, Reduce Flange Hex3
13***3ZNut2
13***3ZNut, Self Lock, M81
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Z65-11-2 Coolant Level Switch
32***92Switch, Coolant Level1
32***65G.A, Coolant Level Switch1
33***09Harness, Link, Low Coolant1
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Z65-2-10 Battery Installation, With Isolator Switch, Tca
13***3ZBolt, M6 X 16, Flange Reduced Hex2
13***7ZBolt, M6 X 25, Flange Head2
13***3ZNut2
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Z65-22-1 Engine Block Heater, 230/240v
32***53Washer, Copper Sealing1
32***59Element, Engine Block Heater, 230v1
32***60Kit-Block Heater, Engine, 230v1
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Z65-11-4 Sensor, Oil Temperature
32***15G.A, Lube Oil Temp Sensor1
33***10Harness, Link, Engine Oil Pressure1
33***41Switch, Oil Temperature1
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Z65-11-5 Electronic Governor
13***3ZBolt, M6 X 16, Flange Reduced Hex1
32***22Sensor, Vr Crankshaft1
32***65Plate, Sensor Clamping1
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Z65-11-3 Oil Pressure Sender
14***08Seal, Washer2
32***80G.A, Oil Pressure Sender1
33***79Adapter, Oil Pressure Sender1
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Z65-21-1 Engine Block Heater, 110/120v
32***50Heater, Cylinder Block, 1000w - 120v Mains1
32***53Washer, Copper Sealing1
32***82Kit-Heater, Engine Block, 120v1
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Z65-11-1 Engine Electrics
13***7ZBolt, M12 X 25mm, Reduce Flange Hex3
13***3ZNut2
13***3ZNut, Self Lock, M81
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Z66-1-1 Battery

G100RX(JCB GENERATOR) serial number reference

Check the machine identification plate for the serial number. Confirm applicability with a JCB dealer.

PrefixIdentifies
01650000-01699999JCB G100RX generator set (50Hz Rental Range)
01650000-01699999JCB G100RX generator set (60Hz Rental Range)

Frequently asked questions

What engine does the JCB G100RX use?

The G100RX uses a JCB Dieselmax engine, which is Tier 4 Final compliant. Earlier models may have used JCB 4.4L or 4.8L engines depending on the serial range and emissions tier.

What is the operating weight of the G100RX?

The dry weight ranges from 1,550 kg to 1,700 kg depending on the specific configuration (canopy, container, or trailer-mounted) and serial range.

What replaced the G100RX?

The G100RX is part of the RS rental range. It has been succeeded by Stage V compliant models in the G100RS series, which feature updated emissions technology and improved fuel efficiency.

What G100RX(JCB GENERATOR) owners discuss

What engine powers the JCB G100RX generator set?
The JCB G100RX is powered by a 4.8L JCB 448TAG-92 turbocharged diesel engine, delivering an output of 92 kW. The G100RX belongs to the G60RX through G115QX generator set family, which shares operation and maintenance protocols.
What are the power ratings for the JCB G100RX?
The JCB G100RX has a prime power rating of 100 kVA (80 kW) and a standby rating of 110 kVA (88 kW). It operates at 50 Hz with a rated speed of 1500 RPM. The unit features a 4-pole alternator and is water-cooled.
What are the fuel and weight specifications for the G100RX?
The G100RX has a fuel tank capacity of 180 liters. The dry weight of the unit is 1,550 kg. The unit is designed with a heavy-duty corrosion-resistant steel canopy and a bunded base with 110% overfill capacity.
What are common electrical or sensor issues reported for JCB generators?
Diagnostic trouble codes for JCB heavy products and generators indicate frequent issues with the rail pressure control system, injectors, and sensors for intake pressure, temperature, fuel, and oil temperature. Turbocharger overboost faults are also tracked. Electrical faults include AMF (Automatic Mains Failure) high-side driver faults, open circuits, or short circuits to the battery.
What maintenance is required for the cooling system to prevent sludge?
Brown sludge in the expansion bottle indicates silicate separation. Engine coolant must be changed at recommended service intervals to prevent this. Use JCB genuine hydraulic oil and service fluids for proper component protection and extended lifespan.
What features support remote monitoring and diagnostics for the G100RX?
The generator range includes LiveLink, an IoT-enabled system that provides critical information such as fuel-theft alerts, service reminders, hours of operation, temperature fluctuations, and service updates. This allows for real-time performance tracking and maintenance alerts.
What should be checked when buying a used G100RX generator?
Verify the engine serial number and data plate to confirm the specific 448TAG-92 variant and emissions tier. Check the condition of the alternator and control panel for signs of water ingress or corrosion, given the outdoor canopy design. Inspect the bunded base for rust and ensure the 180-liter fuel tank has no leaks. Verify the functionality of the LiveLink system if equipped, and check for diagnostic trouble codes related to rail pressure or injector drift. Have your dealer verify the engine compression and turbocharger operation.

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

Serial-range & configuration variants

This page covers the Jcb G100RX(JCB GENERATOR). Related factory variants of the same model family:

G100RX(JCB GENERATOR)

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