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Jcb G130R(JCB GENERATOR)

Maintenance schedule, common problems & OEM parts breakdown

The JCB G130R is a diesel generator set within the JCB G-series lineup, designed for reliable power generation in industrial and construction applications. It is part of a family that includes the G144, G175, G220, and later X-series models like the G130RX. The machine utilizes a JCB EcoMAX or Dieselmax engine, known for high torque and fuel efficiency without DEF or DPF systems. Configurations typically include sound-attenuated enclosures for noise reduction and weather protection. Production years span the 2000s and 2010s, with the G130R serving as a mid-range power solution before being succeeded by the X-series variants which offered enhanced telematics and emissions compliance.

Across the G-series generations, primary changes involved updates to engine control modules, improved sound attenuation materials, and refined alternator designs for better power quality. The G130R remains significant in the used and parts market due to its robust EcoMAX engine architecture, which shares components with JCB construction equipment, ensuring widespread parts availability. Its modular design allows for easier engine removal and overhaul compared to earlier models, making it a cost-effective option for rental fleets and remote site power needs. The transition to the X-series brought digital control panels and remote monitoring capabilities, but the G130R's simplicity and durability keep it relevant for operators prioritizing mechanical reliability over electronic complexity.

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 G130R(JCB GENERATOR) specifications

Engine

ModelJCB 444 NA (Naturally Aspirated)
Gross Power80 HP
Net Power (ISO 9249)80 HP
Displacement4.4 L
Cylinders4
Emissions TierNot documented for this exact serial range — verify with your dealer

Weights

Operating Weight12,800 kg (28,219 lb)
Shipping WeightNot documented for this exact serial range — verify with your dealer
Ground PressureNot documented for this exact serial range — verify with your dealer

Dimensions

Transport LengthNot documented for this exact serial range — verify with your dealer
Transport WidthNot documented for this exact serial range — verify with your dealer
Transport HeightNot documented for this exact serial range — verify with your dealer
Track Gauge1,990 mm (6 ft 6 in)
Ground Clearance464 mm (1 ft 6 in)
Other DimensionsBoom: 4,400 mm (14 ft 5 in); Tail Swing Radius: 2,050 mm (6 ft 9 in); Counterweight Clearance: 905 mm (2 ft 11 in); Track Length: 2,580 mm (8 ft 6 in)

Performance

Travel Speeds4.6 km/h (2.9 mph) high; 3.4 km/h (2.1 mph) low
Digging Depth4,833 mm (15 ft 10 in)
Digging Reach7,610 mm (24 ft 11 in)
Dumping Height6,120 mm (20 ft 1 in)
Bucket Tearout Force8,614 kgf (18,991 lbf)
Dipper Tearout Force5,792 kgf (12,769 lbf)
GradeabilityNot documented for this exact serial range — verify with your dealer

Service capacities (summary)

Fuel Tank253 L (66.9 gal)
Hydraulic System124 L (32.7 gal)
Engine Oil14 L (3.7 gal)
Cooling System15 L (4.0 gal)

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

Jcb G130R(JCB GENERATOR) maintenance schedule

Service intervalTasks
Every 10 h
  • Check engine oil, coolant, hydraulic fluid, and fuel levels.
  • Inspect for fluid leaks under the engine bay and around the generator set.
  • Verify battery electrolyte levels and terminal condition.
  • Inspect drive belts for tension and wear.
  • Test all warning lights, gauges, and safety systems.
Every 250 h
  • Replace engine oil and oil filter.
  • Replace primary and secondary fuel filters.
  • Inspect and clean the air filter element.
  • Grease all pivot points and bearings.
  • Inspect hydraulic hoses and cylinders for chafing or leaks.
Every 500 h
  • Replace engine oil and oil filter.
  • Replace hydraulic return filter.
  • Take oil samples from engine, hydraulic, and fuel systems.
  • Inspect alternator and starter load.
  • Check turbocharger shaft play and boot condition.
Every 1,000 h
  • Replace engine oil and oil filter.
  • Replace coolant and flush the cooling system.
  • Inspect structural components for cracks or unauthorized welding.
  • Perform full ECM diagnostic scan.
  • Check injector spray patterns via diagnostic tool.
Every 2,000 h
  • Replace engine oil and oil filter.
  • Replace hydraulic oil and clean the hydraulic tank.
  • Inspect swing ring play and slew ring bolts.
  • Service brake discs and immersed brake condition.
  • Perform comprehensive electrical system testing.

Servicing the G130R(JCB GENERATOR) beyond the schedule

Predictive Maintenance & Fluid Analysis

Monitor engine oil, hydraulic fluid, and coolant samples at every 500-hour interval to detect early wear patterns. Check the hydraulic return filter magnet for metallic debris during the 500-hour service. Inspect the alternator bearings for noise or vibration during routine checks. Use JCB-approved multipurpose oil for systems requiring shared lubrication. Track fuel consumption rates to identify injector inefficiencies. Analyze coolant silicate levels to prevent corrosion in the engine block.

Corrective & Common Repairs

Replace primary and secondary fuel filters at 250-hour intervals to protect common-rail injectors. Inspect drive belts for cracking and adjust tension to prevent alternator failure. Check turbocharger boots for oil leaks and replace if cracked. Clean the radiator and sound attenuation panels to prevent overheating. Replace worn wiper blades and door seals to maintain enclosure integrity. Inspect electrical connections for corrosion, especially in humid environments.

Overhaul & Rebuild Points

At 2000 hours, inspect the swing ring and slew bolts for wear and proper torque. Check the alternator windings and brushes for signs of excessive wear. Inspect the engine block and cylinder head for cracks or leaks. Replace the timing belt and tensioners if mileage or hours indicate wear. Check the fuel pump and injector seals for leaks. Inspect the generator rotor and stator for insulation breakdown.

Seasonal & Environment Servicing

In cold weather, use lower viscosity engine oil and ensure glow plugs function correctly for starting. Check the battery charge level frequently in low temperatures. In hot climates, monitor coolant levels and clean the radiator fins to prevent overheating. Inspect the sound attenuation foam for moisture damage in humid environments. Check the enclosure seals to prevent dust ingress in arid conditions. Test the automatic transfer switch functionality regularly to ensure reliable power delivery.

G130R(JCB GENERATOR) common service parts

Part numberPart
32/925898Filter, Fuel AssemblyCheck fitment →
32/925899Element, Fuel FilterCheck fitment →
32/925884Element, Fuel FilterCheck fitment →
32/925900Filter, Fuel AssemblyCheck fitment →
32/925901Head, Fuel FilterCheck fitment →

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

G130R(JCB GENERATOR) fault codes & troubleshooting

CodeMeaningLikely causeWhat to do
P0087Fuel rail/system pressure too lowClogged fuel filters, failing lift pump, or leak in low-pressure fuel circuitCheck fuel filter condition and fuel pressure; inspect lift pump operation
P0117Engine coolant temperature sensor circuit low voltageFaulty coolant temperature sensor, shorted wiring harness, or poor connector contactInspect sensor wiring for damage and check connector pins for corrosion
P0521Engine oil pressure sensor range/performance issueFaulty oil pressure sensor, low oil level, or sensor wiring faultVerify oil level and condition; test sensor resistance and signal output
P2047DEF/AdBlue injector circuit open (SCR system fault)Open circuit in doser injector wiring, faulty injector, or blocked dosing lineInspect injector connector and wiring harness for breaks; check dosing line for blockages
U0100Lost communication with Engine Control Module (ECM)Damaged CAN bus wiring, poor ground connection, or low system voltageCheck battery voltage and ground straps; inspect CAN bus wiring for damage
101Low transmission clutch pressure detectedLow transmission fluid level, worn clutch pack, or faulty pressure sensorCheck transmission fluid level and condition; inspect pressure sensor and lines
P0335Crankshaft Position Sensor 'A' Circuit (No Signal)Failed crank sensor, damaged wiring, or debris on sensor tipInspect sensor and wiring; check sensor gap and tip for metal debris
P0102MAF Sensor Low Voltage FaultDirty or faulty Mass Air Flow sensor, intake leak, or wiring issueClean MAF sensor; inspect intake ducting for leaks and wiring for damage

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

G130R(JCB GENERATOR) attachments & work tools

JCB Generator Set (G130R)

The G130R is a stationary generator set, not a mobile construction carrier, and therefore does not utilize work tools, buckets, or quick couplers. It is powered by an Iveco engine and is part of the 144 to 220 Range Iveco 50Hz/60Hz series.

JCB JS130 Excavator

The JS130 is a 13-tonne crawler excavator equipped with a JCB ecoMAX engine delivering 80 HP (63 kW). It features a maximum operating weight of 12,800 kg to 13,900 kg and is designed for excavation and demolition tasks.

JS130 Work Tools & Buckets

The JS130 utilizes standard excavating buckets with capacities of 0.5 m³ and 0.65 m³. It is equipped with a 4.7m monoboom and a 2.5m dipper for standard digging operations.

JS130 Hydraulic & Mounting

The machine uses a standard quick coupler system for attachment changes. Hydraulic requirements are met by the onboard system, with fluid specifications including JCB Hydraulic Fluid 46 and JCB HD90 Gear Oil for the slew and track gearboxes.

JS130 Factory Configurations

Available options include FOPS guard cab protection, cab mesh screen guards, travel alarms, and various track plate widths. The machine also supports climate hydraulic oil and engine air intake precleaners for diverse operating environments.

All G130R(JCB GENERATOR) assemblies by section

Every catalogued assembly group for the Jcb G130R(JCB GENERATOR). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Z Generator Sets 100/200 Series
Z0-13-1 Generator Set, G220q 200kva, 50hz 400v Prime
Z0-9-1 Generator Set, G175 160kva, 50hz 400v Prime
Z0-3-1 Generator Set, G100r 100kva, 50hz 380/415v Prime
Z0-14-1 Generator Set, G160r
Z0-7-1 Generator Set, G144 130kva, 50hz 400v Prime
Z0-10-1 Generator Set, G175q 160kva, 50hz 400v Prime
Z0-5-1 Generator Set, G110q 100kva, 50hz 380/415v Prime
Z0-12-1 Generator Set, G220 200kva, 50hz 400v Prime
Z0-1-1 Generator Set, G100 90kva, 50hz 380/415v Prime
Z0-8-1 Generator Set, G144q 130kva, 50hz 400v Prime
Z0-4-1 Generator Set, G110 100kva, 50hz 380/415v Prime
Z0-11-1 Generator Set, G200r 200kva, 50hz 400v Prime
Z0-6-1 Generator Set, G130r 130kva, 50hz 400v Prime
Z0-2-1 Generator Set, G100q 90kva, 50hz 380/415v Prime
Z1-13-1 Engine Assembly, 634 61102 Dsrag, 182/1500
Z1-2-1 Engine Assembly, 420 61071 Dsrag, 95/1500
Z1-11-1 Engine Assembly, 620 61100 Dsrg, 116/1500
Z1-12-1 Engine Assembly, 620 61101 Dsrag, 147/1500
Z1-1-1 Engine Assembly, 420 61070 Dsrg, 79/1500
Z2-1-1 Service Tools
89***15Tool, Rear Seal Installer1
89***50Tool, Front Seal Installer1
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Z4-1-1 Gasket Set Top, 420 Dsrg/420 Dsrag
Z4-2-1 Gasket Set, Overhaul, 420 Dsrg/420 Dsrag
Z4-12-1 Gasket Set Overhaul, 620 Dsrg/620 Dsrag, 634 Dsrag
Z4-11-1 Gasket Set Top, 620 Dsrg/620 Dsrag
Z5-1-1 Kit-Engine Overhaul, 420 Dsrg/420 Dsrag
02***04Liner, Cylinder4
02***71Piston, Assembly4
02***75Bearing, Big-End4
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Z5-11-1 Kit-Engine Overhaul, 620 Dsrg/620 Dsrag, 634 Dsrag
02***04Liner, Cylinder6
02***71Piston, Assembly6
02***75Bearing, Big-End6
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Z6-11-1 Filter Fuel Sediment, 620 Dsrg/620 Dsrag, 634 Dsrag
32***98Filter, Fuel Assembly1
32***99Element, Fuel Filter1
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Z6-13-1 Filter, Oil, 620 Dsrg/620 Dsrag, 634 Dsrag
Z6-12-1 Fuel Filter, 620 Dsrg/620 Dsrag, 634 Dsrag
02***77Washer, Sealing2
32***80Screw2
32***81Washer2
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Z6-1-1 Filter Fuel Sediment, 420 Dsrg/420 Dsrag
32***77Filter, Head1
32***78Element, Fuel Filter1
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Z6-2-1 Fuel Filter, 420 Dsrg/420 Dsrag
02***77Washer, Sealing2
32***79Filter, Fuel1
32***80Screw1
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Z6-3-1 Filter, Oil, 420 Dsrg/420 Dsrag
Z8-2-1 Front End Drive, 420 Dsrg/420 Dsrag
02***39Sleeve1
02***40Pulley, Water Pump1
02***41Screw1
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Z8-13-1 Crankshaft Pulley, 634 Dsrag
02***86Screw, M8x356
02***92Screw, M8x253
02***37Damper, Crankshaft Vibration1
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Z8-12-1 Front End Drive, 620 Dsrg/620 Dsrag, 634 Dsrag
02***18Nut1
02***20Pulley, Water Pump1
02***24Screw, M10x306
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Z8-1-1 Crankshaft Pulley, 420 Dsrg/420 Dsrag
02***84Pulley, V Belt1
02***85Nut1
02***86Screw, M8x356
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Z8-11-1 Crankshaft Pulley, 620 Dsrg/620 Dsrag
02***86Screw, M8x356
02***92Screw, M8x253
02***38Nut1
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Z9-2-1 Starter Motor, 420 Dsrg/420 Dsrag
71***26Motor, Starter1
71***27Holder, Brush Assembly1
71***28Kit-Brush1
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Z9-1-1 Starter Motor, 420 Dsrg/420 Dsrag
71***41Kit-Lever, Solenoid Engaging1
71***42Kit-Sundry Parts1
71***44Motor, Starter1
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Z9-11-1 Starter Motor, 620 Dsrg/620 Dsrag, 634 Dsrag
71***41Kit-Lever, Solenoid Engaging1
71***42Kit-Sundry Parts1
71***44Motor, Starter1
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Z9-12-1 Starter Motor, 620 Dsrg/620 Dsrag, 634 Dsrag
71***26Motor, Starter1
71***27Holder, Brush Assembly1
71***28Kit-Brush1
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Z10-11-1 Alternator, 620 Dsrg/620 Dsrag, 634 Dsrag
02***60Pulley, Alternator1
71***18Alternator, 12v, 65amp; Use Existing Pulley Or Order Item Number 8. This Unit Is Supplied As Standard With Singlegroove Pulley, Application Requires Twin., Alternator, 12v, 65amp1
71***20Fan1
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Z10-2-1 Alternator Mountings, 420 Dsrg/420 Dsrag
02***27Screw1
02***31Screw1
02***42Nut, M81
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Z10-1-1 Alternator, 420 Dsrg/420 Dsrag
71***18Alternator, 12v, 65amp; Use Existing Pulley Or Order Item Number 8. This Unit Is Supplied As Standard With Singlegroove Pulley, Application Requires Twin., Alternator, 12v, 65amp1
71***19Pulley1
71***20Fan1
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Z10-12-1 Alternator Mountings, 620 Dsrg/620 Dsrag, 634 Dsrag
02***42Nut, M81
02***49Washer2
02***43Screw, M8x302
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Z12-11-1 Fuel Pipework, High Pressure, 620 Dsrg
02***21Washer, Sealing1
02***56Bolt, Banjo4
02***57Washer, Sealing16
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Z12-13-1 Fuel Pipework, Low Pressure, 620 Dsrg/620 Dsrag
02***11Washer, Sealing2
02***21Washer, Sealing2
02***46Screw, M8x351
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Z12-1-1 Fuel Pipework, High Pressure, 420 Dsrg/420 Dsrag
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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Z12-11-2 Fuel Pipework, High Pressure, 620 Dsrag
02***21Washer, Sealing1
02***56Bolt, Banjo4
02***57Washer, Sealing16
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Z12-2-1 Fuel Pipework, Low Pressure, Pre-Filter, 420 Dsrg/420 Dsrag
32***39Bolt, Banjo M122
32***71G.A, Ga Fuel Pipes(Hp/Lp), Genset0
32***33Ring, Snap1
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Z12-12-1 Fuel Pipework, Low Pressure, Pre-Filter, 620 Dsrg/620 Dsrag/634 Dsrag
02***27Screw2
02***42Nut, M82
02***38Washer, Sealing5
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Z12-3-1 Fuel Pipework, Low Pressure, 420 Dsrg/420 Dsrag
02***11Washer, Sealing2
02***21Washer, Sealing1
02***31Screw2
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Z12-13-2 Fuel Pipework, Low Pressure, 634 Dsrag
02***11Washer, Sealing2
02***21Washer, Sealing2
02***46Screw, M8x351
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Z12-11-3 Fuel Pipework, High Pressure, 634 Dsrag
02***21Washer, Sealing1
02***56Bolt, Banjo4
02***57Washer, Sealing16
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Z13-14-1 Fuel Injector, 634 61102 Dsrag
02***42Nut, M812
17***00Injector, Assembly6
17***01Nozzle, Injector1
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Z13-1-1 Fuel Injector, 420 61070 Dsrg, 420 61071 Dsrag
02***42Nut, M88
17***00Injector, Assembly4
17***01Nozzle, Injector1
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Z13-11-1 Fuel Injector, 620 61100 Dsrg, 116/1500
02***42Nut, M812
17***02Washer6
17***03Ring, Rubber6
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Z13-12-1 Fuel Injector, 620 61101 Dsrag, 147/1500
02***42Nut, M812
17***02Washer6
17***03Ring, Rubber6
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Z14-11-1 Fuel Lift Pump, 620 Dsrg/620 Dsrag, 634 Dsrag
02***91Washer2
02***92Screw, M8x254
17***00Pump, Fuel Lift1
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Z14-1-1 Fuel Lift Pump, 420 Dsrg/420 Dsrag
02***91Washer2
02***92Screw, M8x254
17***00Pump, Fuel Lift1
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Z15-11-1 Fuel Injection Pump, 620 61100 Dsrg, 116/1500
02***42Nut, M82
02***49Washer3
02***47O Ring1
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Z15-2-1 Fuel Injection Pump, 420 61071 Dsrag, 95/1500
02***42Nut, M82
02***47O Ring1
02***48Nut1
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Z15-12-1 Fuel Injection Pump, 620 61101 Dsrag, 147/1500
02***42Nut, M82
02***49Washer3
02***47O Ring1
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Z15-13-1 Fuel Injection Pump, 634 61102 Dsrag, 182/1500
02***42Nut, M82
02***49Washer3
02***47O Ring1
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Z15-1-1 Fuel Injection Pump, 420 61070 Dsrg, 79/1500
02***42Nut, M82
02***47O Ring1
02***48Nut1
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Z16-1-1 Water Pump, 420 Dsrg/420 Dsrag
02***13Plug2
02***14Washer, Sealing2
02***15Pump, Water Assembly1
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Z16-11-1 Water Pump, 620 Dsrg/620 Dsrag, 634 Dsrag
02***13Plug2
02***14Washer, Sealing2
02***31Screw2
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Z18-1-1 Thermostat & Housing, 420 Dsrg/420 Dsrag
02***13Plug1
02***14Washer, Sealing1
02***27Screw1
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Z18-12-1 Thermostat & Housing, 634 Dsrag
02***50Screw, M8x504
02***73Washer4
02***34Gasket1
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Z18-11-1 Thermostat & Housing, 620 Dsrg/620 Dsrag
02***13Plug1
02***14Washer, Sealing1
02***50Screw, M8x504
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Z19-1-1 Rocker Cover, 420 Dsrg/420 Dsrag
02***12Cover, Rocker1
02***13Gasket1
02***14Screw4
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Z19-11-1 Rocker Cover, 620 Dsrg/620 Dsrag, 634 Dsrag
02***14Screw4
02***15Washer4
02***16Washer, Rubber4
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Z20-11-1 Rocker Shaft, 620 Dsrg/620 Dsrag, 634 Dsrag
02***87Nut6
02***88Screw, Adjusting6
02***89Plug2
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Z20-1-1 Rocker Shaft, 420 Dsrg/420 Dsrag
02***87Nut8
02***88Screw, Adjusting8
02***89Plug2
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Z21-1-1 Valves & Push-Rods, 420 Dsrg/420 Dsrag
Z21-11-1 Valves & Push-Rods, 620 Dsrg/620 Dsrag, 634 Dsrag
Z22-1-1 Turbocharger, 420 61070 Dsrg, 79/1500
02***42Nut, M84
02***47Gasket1
02***50Turbocharger, 79kw Engine1
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Z22-2-1 Turbocharger, 420 61071 Dsrag, 95/1500
02***42Nut, M84
02***47Gasket1
02***62Flange1
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Z22-12-1 Turbocharger, 634 61102 Dsrag
02***72Gasket1
02***73Gasket1
02***74Gasket1
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Z22-11-1 Turbocharger, 620 61100 Dsrg, 620 61101 Dsrag
02***72Gasket1
02***73Gasket1
02***74Gasket1
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Z23-11-1 Turbo Pipework, 620 Dsrg/620 Dsrag
02***19Washer, Sealing1
02***52Connector1
02***59Hose1
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Z23-1-1 Turbo Pipework, 420 Dsrg/420 Dsrag
02***19Washer, Sealing1
02***21Washer, Sealing2
02***48Pipe1
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Z23-12-1 Turbo Pipework, 634 Dsrag
02***19Washer, Sealing1
02***52Connector1
02***82Screw, M8x202
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Z25-1-1 Induction Manifold, 420 Dsrg/420 Dsrag
02***39Gasket1
02***41Screw, M8x708
02***42Screw, M6x251
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Z25-11-1 Induction Manifold, 620 Dsrg/620 Dsrag, 634 Dsrag
02***48Screw, M8x605
02***51Screw, M8x657
02***44Screw, M8x902
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Z26-11-1 Exhaust Manifold, 620 Dsrg/620 Dsrag, 634 Dsrag
02***46Cover1
02***61Nut12
02***62Stud, M10x10012
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Z26-1-1 Exhaust Manifold, 420 Dsrg/420 Dsrag
02***38Screw, M10x1008
02***40Manifold, Exhaust1
02***45Manifold, Intake4
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Z27-11-1 Cylinder Head, 620 Dsrg/620 Dsrag, 634 Dsrag
02***13Plug1
02***14Washer, Sealing2
02***25Connector1
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Z27-1-1 Cylinder Head, 420 Dsrg/420 Dsrag
02***13Plug1
02***99Cotter16
02***01Plate, Spring8
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Z28-11-1 Lifting Brackets, 620 Dsrg/620 Dsrag, 634 Dsrag
02***57Nut, M102
02***20Screw, M10x252
02***21Plate, Engine Lifting2
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Z28-1-1 Lifting Brackets, 420 Dsrg/420 Dsrag
02***20Screw, M10x254
02***21Plate, Engine Lifting2
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Z29-11-1 Oil Cooler, 620 Dsrg/620 Dsrag, 634 Dsrag
02***14Washer, Sealing1
02***51Screw, M8x651
02***54Clamp4
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Z29-1-1 Oil Cooler, 420 Dsrg/420 Dsrag
02***14Washer, Sealing1
02***42Screw, M6x251
02***54Clamp4
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Z30-1-1 Oil Level Dipstick, 420 Dsrg/420 Dsrag
Z30-11-1 Oil Level Dipstick, 620 Dsrg/620 Dsrag
Z30-12-1 Oil Level Dipstick, 634 Dsrag
Z31-1-1 Oil Sump, 420 Dsrg/420 Dsrag
02***42Nut, M81
02***19Washer, Sealing1
02***70Sump1
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Z31-11-1 Oil Sump, 620 Dsrg/620 Dsrag, 634 Dsrag
02***18Plug1
02***53Screw, M8x161
02***73Washer4
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Z32-12-1 Oil Relief Valve, 620 Dsrg/620 Dsrag, 634 Dsrag
02***82Screw, M8x202
02***09Seat, Valve1
02***12Gasket1
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Z32-1-1 Oil Pump, 420 Dsrg/420 Dsrag
02***80Pump, Oil Assembly1
02***83Nut, M101
02***84Washer1
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Z32-11-1 Oil Pump, 620 Dsrg/620 Dsrag, 634 Dsrag
02***83Nut, M101
02***84Washer1
02***85Gear1
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Z32-2-1 Oil Relief Valve, 420 Dsrg/420 Dsrag
02***82Screw, M8x202
02***09Seat, Valve1
02***10Valve, Control1
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Z33-1-1 Flywheel Assembly, 420 Dsrg/420 Dsrag
02***60Flywheel1
02***62Gear, Starter Ring1
02***65Screw8
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Z33-11-1 Flywheel Assembly, 620 Dsrg/620 Dsrag, 634 Dsrag
02***60Flywheel1
02***62Gear, Starter Ring1
02***65Screw8
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Z34-1-1 Flywheel Housing, 420 Dsrg/420 Dsrag
02***13Plug2
02***29Pin2
02***54Seal, Oil1
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Z34-11-1 Flywheel Housing, 620 Dsrg/620 Dsrag, 634 Dsrag
02***13Plug2
02***29Pin2
02***54Seal, Oil1
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Z35-1-1 Camshaft/Idler Gear, 420 Dsrg/420 Dsrag
02***32Shaft1
02***33Gear1
02***34Bush1
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Z35-11-1 Camshaft/Idler Gear, 620 Dsrg/620 Dsrag, 634 Dsrag
02***32Shaft1
02***33Gear1
02***34Bush1
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Z36-12-1 Timing Case & Covers, 634 Dsrag
02***07Plug1
02***26Gasket1
02***27Screw12
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Z36-1-1 Timing Case & Covers, 420 Dsrg/420 Dsrag
02***07Plug1
02***26Gasket1
02***27Screw12
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Z36-11-1 Timing Case & Covers, 620 Dsrg/620 Dsrag
02***07Plug1
02***26Gasket1
02***27Screw12
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Z37-1-1 Piston & Con-Rod, Assemblies, 420 Dsrg/420 Dsrag
02***71Piston, Assembly4
02***72Kit-Piston Ring1
02***73Screw2
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Z37-11-1 Piston & Con-Rod, Assemblies, 620 Dsrg/620 Dsrag
02***71Piston, Assembly4
02***72Kit-Piston Ring1
02***73Screw2
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Z37-12-1 Piston & Con-Rod, Assemblies, 634 Dsrag
02***72Kit-Piston Ring1
02***73Screw2
02***74Bush, Small-End1
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Z38-12-1 Crankshaft Assembly, 634 Dsrag
02***69Key1
02***76Kit-Main Bearing5
02***77Kit-Thrust Washer2
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Z38-1-1 Crankshaft Assembly, 420 Dsrg/420 Dsrag
02***69Key1
02***70Crankshaft1
02***76Kit-Main Bearing5
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Z38-11-1 Crankshaft Assembly, 620 Dsrg/620 Dsrag
02***69Key1
02***76Kit-Main Bearing5
02***77Kit-Thrust Washer2
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Z39-1-1 Cylinder Block, 420 Dsrg/420 Dsrag
02***00Block, Cylinder Assembly1
02***01Bush1
02***02Sleeve, Guide10
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Z39-11-1 Cylinder Block, 620 Dsrg/620 Dsrag
02***01Bush6
02***02Sleeve, Guide14
02***03Screw14
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Z39-12-1 Cylinder Block, 634 Dsrag
02***01Bush6
02***02Sleeve, Guide14
02***03Screw14
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Z43-11-1 Air Filter, Installation
32***00Band, Mounting1
32***06Valve, Dust1
32***07Clip1
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Z43-1-1 Air Filter, Installation
32***04Valve, Dust1
32***10Clip3
32***85Filter Aiir Assembly1
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Z45-1-1 Exhaust Silencer, Open Build
02***79Gasket1
13***7DCapscrew6
32***60Pipe, Exhaust Outlet Elbow1
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Z45-11-1 Exhaust System, Canopy Build
02***79Gasket1
13***5ZScrew, M10 X 20mm Long; Use With Single Piece Casing. To Gearbox Number 445/143/831 Or 445/144/455, Screw, M10 X 20mm Long4
13***7DCapscrew6
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Z46-11-1 Radiator & Fittings, 620dsrg
13***5DSetscrew, M6 X 20mm Long0
13***3DNut, M6 Lock0
14***6DWasher, M6 Plain0
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Z47-11-1 Cooler Assembly, 620dsrag
13***5DSetscrew, M6 X 20mm Long24
13***7DSetscrew, M8x254
13***3DNut, M6 Lock24
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Z47-12-1 Cooler Assembly, 634dsrag
30***85Cap, Radiator Pressure1
30***05Guard, Fan, Left Hand1
30***06Guard, Fan, Right Hand1
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Z48-12-1 Radiator/Cooler, Hose & Pipework, 620dsrag
30***79Clip1
30***93Clip4
30***94Clip, 40 - 603
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Z48-13-1 Radiator/Cooler, Hose & Pipework, 634dsrag
30***79Clip1
30***93Clip4
30***94Clip, 40 - 603
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Z48-11-1 Radiator, Hose & Pipework, 620dsrg
30***79Clip1
30***93Clip4
30***94Clip, 40 - 603
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Z48-21-1 Radiator, Coolant Drain
32***70Valve, 1/2"Bsp Female, 1/2"Bsp Male1
32***71Adapter, 1/2"Bsp M 1/2"Tail1
32***72Hose, Fuel 1/2"Bore1
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Z49-1-1 Cooling Fan & Spacer
Z49-2-1 Cooling Fan & Spacer
Z49-3-1 Cooling Fan & Spacer
Z50-1-1 Fuel Pipes, Fuel Tank To Filter
32***16Hose, Fuel Supply2
32***68Clip, 6mm Hose4
32***75Adapter, 3/8" Bsp F 3/8" Tail1
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Z51-11-1 Fuel Filter, Sediment ( Racor )
32***11Filter, Fuel, Assembly1
32***12Element, Fuel Filter1
32***41O Ring1
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Z57-1-1 Engine Oil Drain
14***19Seal, Dowty1
22***03Clip, Jubilee2
32***71Adapter, 1/2"Bsp M 1/2"Tail2
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Z60-11-1 Fuel Tank
32***18Cap, Fuel Tank1
32***32Guage Fuel1
32***77Plug, 1.5"Bsp5
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Z60-2-1 Base & Fittings
13***8DSetscrew, M12 X 300
13***3DNut, M120
14***9DWasher, M120
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Z60-1-1 Base & Fittings
13***8DSetscrew, M12 X 300
13***3DNut, M120
14***9DWasher, M120
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Z60-5-1 Lifting Bracket, (Optional)
13***2DSetscrew, M16 X 50mm8
13***3DNut, M168
14***1DWasher, M1616
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Z61-2-1 Canopy, Middle Section
13***5DSetscrew, M8x2084
14***7DWasher, M8 Plain84
14***7DWasher, M8 Spring84
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Z61-21-1 Canopy Soundproofing
32***39Kit-Panel, Soundproofing, Middle Section1
32***40Kit-Panel, Soundproofing, Front Section1
32***41Kit-Panel, Foil Backed, Rear Section1
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Z61-4-1 Canopy, Rear Section
13***5DSetscrew, M8x2020
14***7DWasher, M8 Plain20
14***7DWasher, M8 Spring20
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Z61-1-1 Canopy Assembly
32***80Canopy, Assembly1
32***81Canopy, Middle Section1
32***82Canopy, Front Section1
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Z61-3-1 Canopy, Front Section
13***5DSetscrew, M8x2012
14***7DWasher, M8 Plain12
14***7DWasher, M8 Spring12
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Z62-4-1 Alternator, Uci 274h-16
32***08Regulator, A.V.R Sx4601
32***57Bearing, Nde1
32***99Kit-Rectifier, Service1
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Z62-1-1 Alternator, Uci 274c-16
32***08Regulator, A.V.R Sx4601
32***57Bearing, Nde1
32***99Kit-Rectifier, Service1
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Z62-11-1 Alternator, Accessories
13***5DSetscrew, M6 X 20mm Long6
13***3DNut, M6 Lock6
14***6DWasher, M6 Plain12
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Z62-2-1 Alternator, Uci 274e-16
32***08Regulator, A.V.R Sx4601
32***57Bearing, Nde1
32***99Kit-Rectifier, Service1
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Z62-5-1 Alternator, Uci 274 F16
32***07Kit, Rectifier1
32***08Regulator, A.V.R Sx4601
32***09Bearing, Nde1
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Z62-3-1 Alternator, Uci 274f-16
32***08Regulator, A.V.R Sx4601
32***57Bearing, Nde1
32***99Kit-Rectifier, Service1
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Z62-6-1 Alternator, Uci 274 H16
32***07Kit, Rectifier1
32***08Regulator, A.V.R Sx4601
32***09Bearing, Nde1
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Z63-1-1 Control Box & Panel, Assemblies
13***1DScrew, Set M6x122
13***5DSetscrew, M8x208
14***6DWasher, M6 Plain2
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Z63-12-1 Control Unit, Box & Panel Assemblies
13***3DSetscrew4
13***5DSetscrew, M6 X 20mm Long4
14***6DWasher, M6 Plain8
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Z64-12-1 Circuit, Breaker, Box Assembly
13***5DSetscrew, M6 X 20mm Long86
13***5DSetscrew, M8x2037
14***6DWasher, M6 Plain86
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Z64-1-1 Circuit Breaker Box, Assembly
13***5DSetscrew, M6 X 20mm Long12
13***0DScrew, Set2
13***5DSetscrew, M8x2018
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Z64-11-1 Circuit, Breaker, Box Assembly
13***5DSetscrew, M6 X 20mm Long86
13***5DSetscrew, M8x2037
14***6DWasher, M6 Plain86
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Z65-1-1 Engine Electrics
13***8DSetscrew, M10 X 302
14***8DWasher, M102
14***8DWasher, Spring, M102
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Z65-2-1 Engine Speed Sensor
Z65-11-1 Battery Installation
13***0DSetscrew, M10 X 40mm4
13***3DNut, Self Lock M104
14***8DWasher, M108
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G130R(JCB GENERATOR) serial number reference

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

PrefixIdentifies
1650000 to 1699999Applicability for JCB GENERATOR SET G130RX, G144X, G144QX, G160RX, G175X, G175QX, G200RX, G220X, G220QX

Frequently asked questions

What engine does the JCB G130R use?

The JCB G130R uses a JCB EcoMAX or Dieselmax engine, typically a 4-cylinder turbocharged diesel unit designed for high torque and fuel efficiency without DEF or DPF systems.

What is the operating weight of the JCB G130R?

The operating weight varies by configuration and enclosure type, but typically ranges around 12,800 kg to 13,900 kg for similar JCB 130-class machines. Specific weight for the G130R generator set should be verified with the serial number and enclosure options.

What model replaced the JCB G130R?

The JCB G130R was succeeded by the G130RX and other X-series generator sets, which feature updated digital control panels, enhanced telematics, and improved emissions compliance.

What G130R(JCB GENERATOR) owners discuss

What engine powers the JCB G130R generator set?
The JCB G130R generator set is powered by a JCB EcoMax engine. This engine features P/E modes and an auto-idler to reduce fuel consumption. The specific engine variant is identified via the machine's data plate or JCB 444 engine part number lookup, as specifications vary by generation and emissions tier.
What are common powertrain or hydraulic behaviors associated with the JCB 130 series machines?
On JCB 130 series excavators, hydraulic performance can degrade if the machine is operated on uneven ground where the rear end is lower than the front; in this position, the hydraulic pump may starve for oil, causing slow or non-functional dipper and bucket functions. On level ground or with the rear higher, hydraulic function typically returns to normal. Additionally, track wander toward one side is a known behavior in high-hour units, often indicating internal leakage in the travel motors or final drives.
What undercarriage or wear patterns are typical for the JCB JS130?
The JCB JS130 has a 600 mm track width. Common wear patterns include track wander, where the machine drifts to one side during travel, and general undercarriage wear consistent with 13-tonne class excavators. The machine is equipped with an overload alert system to monitor stress on the structure and undercarriage components.
What engine quirks are specific to the JCB 444 engine family used in these machines?
Early JCB 444 engines (Tier 2 and early Tier 3) are prone to big end bearing failures on the crankshaft, particularly if oil change intervals are extended or oil quality is poor. These engines rely on glow plugs for cold starting; failure of the glow plug relay or timer results in hard starting in cold weather. Fuel injection pump faults are also common on earlier mechanical and early electronic variants of this engine family.
What are common electrical or sensor issues reported for JCB machines?
Common electrical issues include failures in the forward/reverse microswitches that activate hydraulic solenoids, leading to a loss of movement in one direction despite full engine power. Diagnostic trouble codes frequently indicate faults in the rail pressure control system, intake pressure/temperature sensors, fuel and oil temperature sensors, and turbocharger overboost conditions. AMF (Automatic Mains Failure) high-side driver faults and MAF (Mass Air Flow) sensor low/high voltage faults are also documented.
What should be checked when buying a used JCB G130R generator set?
When inspecting a used JCB G130R, verify the engine identification via the data plate or JCB 444 part number to confirm the specific generation and emissions tier. Check the condition of the glow plugs and relay for cold-start reliability. Inspect the fuel system for air-locking issues, which may require tank cleaning. Verify the operation of the JCB Digital Control Panel and check for diagnostic trouble codes related to the rail pressure control system and turbocharger. Ensure the alternator and automatic transfer switch (AMF) components are functioning correctly.
What safety-critical fix is associated with the JCB 3CX movement problems?
On JCB 3CX models, a common cause of movement failure is a faulty inhibitor switch (forward/reverse microswitch) that disables the starting system or solenoid control. If the switch has bridged wires, it may prevent the machine from starting in gear or engaging forward motion. Have your dealer verify the switch operation and wiring continuity to ensure the machine does not inadvertently start in gear.

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 G130R(JCB GENERATOR). Related factory variants of the same model family:

G130R(JCB GENERATOR)

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