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Jcb G115X(JCB GENERATOR)
Maintenance schedule, common problems & OEM parts breakdown
The JCB G115X is a compact diesel generator set designed for prime power and standby applications. It is part of the 63–138 kVA fuel-optimized range, which includes the G115QX variant. The machine utilizes a JCB DieselMaxx G-TCA-100 4-cylinder engine with a mechanical governor, available in Tier IIIa emissions compliance. Operating weight is 1,830 kg (4,034 lb). The G115X is offered in open and canopy configurations. It is succeeded by the G115QS model within the QS compact generator range. The G115X serial range is the OEM part reference to the OEM part reference.
The G115X represents the earlier generation of JCB compact generators, distinguished by its use of the JCB DieselMaxx engine and earlier control panel options like Easygen or LeoPC. Later generations, such as the G115QS, transitioned to more advanced control systems like the DeepSea 7310 and updated engine variants. The G115X remains relevant in the used market due to its robust DieselMaxx engine, which offers low fuel consumption and high efficiency. Its compact design and integrated 270-liter bunded fuel tank make it a durable choice for site power, with service access facilitated by large door openings and central lifting points.
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 G115X(JCB GENERATOR) specifications
Engine
| Model | JCB DieselMaxx G-TCA-100 |
| Configuration | 4-Cylinder with Mechanical Governor |
| Emissions Tier | Tier IIIa (also available in Tier 4 Final for RS range) |
Weights
| Operating Weight | 2,140 kg (4,718 lb) |
Dimensions
| Transport Length | 2,850 mm (9 ft 4 in) |
| Transport Width | 1,140 mm (3 ft 9 in) |
| Transport Height | 1,830 mm (6 ft 0 in) |
Performance
| Standby Power Rating | 92 kW / 115 kVA |
| Prime Power Rating | 84 kW / 105 kVA |
| Current Output | 167 A per phase |
| Fuel Consumption | 18.6 L/h |
| Noise Level | 70 dB(A) |
Service capacities (summary)
| Fuel Tank Capacity | 270 L (71.3 gal) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
Jcb G115X(JCB GENERATOR) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the G115X(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. Compare future samples against this baseline to detect bearing wear or contamination early. Inspect the hydraulic return filter magnet for metallic debris before disposal. Monitor the engine oil level daily via the dipstick. Check the coolant expansion tank for silicate separation, indicated by brown sludge, which signals the need for coolant replacement at the 1,000-hour service. Use JCB Engine Oil Special or equivalent 15W-40 diesel oil meeting API specs.
Corrective & Common Repairs
Replace the primary and secondary fuel filters at every 250-hour interval to protect the DieselMaxx common-rail injectors. Inspect the turbocharger shaft play and boot condition at 1,000 hours. Check the alternator and starter load to prevent electrical failure. Inspect the air filter primary element for restriction. Verify the integrity of all hydraulic hoses and cylinder rods for chafing or pinhole seepage. Ensure the battery electrolyte level is maintained on non-sealed units.
Overhaul & Rebuild Points
The 2,000-hour service requires a full hydraulic oil change, including draining and cleaning the tank. Inspect structural components such as the boom, arm, and chassis for cracking or unauthorized welding. Measure swing ring play using a dial indicator on JS-series excavators if applicable. Check injector spray patterns via the diagnostic tool and replace as required. Torque check slew ring bolts on excavator models. Perform a full ECM diagnostic scan to review logged fault codes.
Seasonal & Environment Servicing
Select the correct JCB Engine Oil UP viscosity based on ambient temperature: 5W-30 for -30°C to 30°C, 5W-40 for -30°C to 46°C, or 10W-30 for -15°C to 46°C. Install an engine block heater for cold starts. Ensure the weatherproof enclosure is intact to protect electrical components. Check the condition of the drive belt and fan belt for tension and wear. Verify the operation of the cabin HVAC system, including A/C pressure and evaporator condition, for operator comfort in extreme climates.
G115X(JCB GENERATOR) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 32/925705 | Element, Fuel Sediment/Water, 150 Microns | Fuel system service | Check fitment → |
| 32/925694 | Element, Fuel Filter | Fuel system service | Check fitment → |
| 32/925717 | Filter, Fuel Sediment, 30 Micron | Fuel system service | Check fitment → |
| 320/20166 | G.A, Fuel Filter & Lp Pipes Na & Tc, Genset | Fuel system service | Check fitment → |
| 320/04114 | Retainer, Fuel Filter | Fuel system service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
G115X(JCB GENERATOR) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| P0087 | Fuel Rail/System Pressure Too Low | Clogged fuel filters, failing lift pump, or restricted fuel line. | Inspect and replace fuel filters; check fuel lift pump operation and line integrity. |
| P0117 | Engine Coolant Temperature Sensor 1 Circuit Low Voltage | Faulty coolant temperature sensor, shorted wiring, or poor connector contact. | Check sensor resistance and wiring harness for shorts or corrosion. |
| P0521 | Engine Oil Pressure Sensor Range/Performance | Faulty oil pressure sensor, low oil level, or sensor circuit fault. | Verify oil level and condition; test sensor signal and wiring. |
| P2047 | Reductant Injector Circuit/Open (SCR System) | Open circuit in DEF/AdBlue injector wiring or faulty injector. | Inspect injector connector and wiring for damage; test injector resistance. |
| U0100 | Lost Communication with Engine Control Module (ECM) | CAN bus network fault, poor ground, or ECM power issue. | Check battery voltage, ground straps, and CAN bus connector integrity. |
| P0335 | Crankshaft Position Sensor 'A' Circuit (No Signal) | Failed crank sensor, damaged wiring, or debris on sensor tip. | Inspect sensor and wiring; check for physical obstruction or damage. |
| P0102 | Mass Air Flow (MAF) Sensor Low Voltage Fault | Dirty or faulty MAF sensor, intake air leak, or wiring fault. | Clean MAF sensor; inspect intake tract for leaks and wiring for damage. |
| P0200 | Injector Circuit Malfunction (General) | Open or shorted injector circuit, faulty injector, or ECM driver fault. | Check injector connectors and wiring; test injector resistance. |
| P0088 | Fuel Rail/System Pressure Too High | Faulty fuel pressure regulator, restricted return line, or sensor error. | Check fuel pressure regulator operation and return line flow. |
| P0115 | Engine Coolant Temperature Sensor 1 Circuit | Faulty coolant temperature sensor or open circuit. | Test sensor resistance and check wiring continuity. |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
G115X(JCB GENERATOR) attachments & work tools
Acoustic Enclosure / Canopy
Heavy gauge all-steel construction with residential silencer for noise-sensitive applications. Includes lockable maintenance access doors, control panel viewing window, and bump protection blocks.
Fuel System
Bunded base fuel tank with 270 L (71.3 gal) total capacity. Configurable options include extended fuel tanks or connections for external bulk fuel tanks.
Control & Telematics
Deep Sea Electronics control panel (e.g., DSE 7310 or 4510) with AMF capability. JCB LiveLink telematics is available as standard for monitoring fuel consumption and engine health.
Power Output
Standby power (ESP) of 92 kW / 115 kVA. Prime power (PRP) rating of 84 kW / 105 kVA (varies by configuration/series). Rated at 167 Amps per phase.
Engine
JCB DieselMaxx G-TCA-100, 4-cylinder engine with mechanical governor. Available in Tier IIIa emissions compliant versions.
Alternator
MeccAlte ECP34-2S/4 alternator. Power factor is 3 phase 0.8, 1 phase 1.
Mobility & Handling
Fork pockets and central lifting point for safe positioning and manoeuvring on site. Weight is 2,140 kg (4,718 lb).
Electrical Protection
Includes 160 Amp MCB and CE certification pack. Socket box configuration includes 1 x 32A 3ph and 3 x 32A 1ph outlets.
Maintenance & Service
Large door openings for easy access to service points. Includes engine block heater and battery charger. Sump oil pump is available as a build specification.
Dimensions
Length 2,850 mm (9.35 ft), Width 1,140 mm (3.74 ft), Height 1,830 mm (6.00 ft).
All G115X(JCB GENERATOR) assemblies by section
Every catalogued assembly group for the Jcb G115X(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***06 | Engine, Assembly 74kw 12v, Tc, Euro 2 11.5" F/W | 1 |
Z1-1-1 Engine 320/40255, Complete, Tca Turbo 100kw
| 32***55 | Engine, Complete 100kw 12v, Euro 2 11.5"F/W | 1 |
Z2-1-1 Service Tools
| 32***20 | Bracket, Engine Lifting | 1 |
| 89***46 | Tool, Fitting, Core Plug | 1 |
| 89***47 | Tool, Crankshaft Turning | 1 |
Z2-2-1 Sealant Templates
| 89***49 | Template, Oil Pan Sealant | 1 |
| 89***75 | Template, Sealant, Bedplate To Block | 1 |
| 89***77 | Template, Sealant, Flywheel, Housing To Gearcase | 1 |
Z3-1-1 Lubricants Primers, & Sealants
| 32***28 | Sealant, 620 | 0 |
| 32***29 | Lubricant, O Ring, P80 | 0 |
| 32***30 | Sealant, 5900 | 0 |
Z4-2-1 Gasket Set, Top Overhaul
| 32***08 | Gasket, Cylinder Head | 1 |
| 32***33 | Seal, Valve Stem | 16 |
| 32***40 | O Ring | 1 |
Z4-4-1 Seal Kit, Oil Pan
| 32***30 | Sealant, 5900 | 1 |
| 32***50 | O Ring | 2 |
| 32***62 | Seal, Oil-Pick-Up | 1 |
Z4-3-1 Gasket Set, Bottom Overhaul
| 32***31 | Sealant, 518 | 1 |
| 32***29 | Seal, Rear Oil | 1 |
| 32***19 | Seal, Front Oil | 1 |
Z4-1-1 Seal Kit, Rocker Cover
| 32***92 | O Ring, Oil Filler Cap | 1 |
| 32***87 | Cap, Fuel Injector | 4 |
| 32***88 | Cap, Fuel Pipe | 8 |
Z4-5-1 Gasket Set, Top Overhaul, Tc
| 32***08 | Gasket, Cylinder Head | 1 |
| 32***33 | Seal, Valve Stem | 16 |
| 32***40 | O Ring | 2 |
Z5-2-1 Engine, Short, Tc 320/40060
| 32***29 | Seal, Rear Oil | 1 |
| 32***19 | Seal, Front Oil | 1 |
| 32***17 | Kit-Top Gasket, Turbo Engine | 1 |
Z5-6-1 Kit-Engine Overhaul, Standard, Tc
| 32***40 | Bolt, Con-Rod, M8 X 57 | 8 |
| 32***11 | Kit-Piston, Standard, Turbo | 4 |
| 32***80 | Kit-Top Gasket, Turbo Engine | 1 |
Z5-6-3 Kit-Engine Overhaul, Oversize - 1.00mm, Tc
| 32***40 | Bolt, Con-Rod, M8 X 57 | 8 |
| 32***39 | Kit-Piston, Oversize - 1.0mm, Turbocharged | 4 |
| 32***80 | Kit-Top Gasket, Turbo Engine | 1 |
Z5-4-1 Engine, Long, Tc 320/40081
| 32***32 | Gear, Crankshaft, Assembly | 1 |
| 32***43 | Kit-Gasket, Long Engine, Tc/Tca | 1 |
| 32***03 | Piston, & Con-Rod, Assembly | 1 |
Z5-6-2 Kit-Engine Overhaul, Oversize - 0.50mm, Tc
| 32***40 | Bolt, Con-Rod, M8 X 57 | 8 |
| 32***38 | Kit-Piston, Oversize - 0.50mm, Turbocharged | 4 |
| 32***80 | Kit-Top Gasket, Turbo Engine | 1 |
Z6-4-1 Primary Fuel Filter, Element, Cold Climate
| 32***05 | Element, Fuel Sediment/Water, 150 Microns | 1 |
| 32***33 | Seal, O'Ring | 1 |
Z6-2-1 Oil Filter
| 32***33 | Filter, Engine Oil | 1 |
| 32***23 | G.A, Oil Cooler 60kw, Inc Filter/Filler | 1 |
| 32***24 | Cooler, Oil, Inc Filter/Filler | 1 |
Z6-3-1 Primary Fuel Filter
| 13***7Z | Screw, M8 X 25 | 2 |
| 13***7Z | Screw, M12 X 25 | 2 |
| 32***94 | Element, Fuel Filter | 1 |
Z6-1-1 Fuel Filter
| 13***5Z | Bolt, Flange Head, M8 X 20 Lg | 1 |
| 21***07 | Pin, Tension | 1 |
| 32***14 | Retainer, Fuel Filter | 1 |
Z8-1-1 Crankshaft Pulley
| 32***69 | Bolt, Torx Head Flange, M12 X 65 X 12.9 | 3 |
| 32***43 | Pulley, Crankshaft | 1 |
| 32***01 | Crankshaft, Assembly | 1 |
Z8-8-1 Front End Drive, Accessory, 79mm Diameter Idler Pulley
| 32***00 | Hub, Fan Drive, Assembly | 1 |
| 32***41 | Screw, Pan Head, M8 X 20 | 1 |
| 32***72 | Pulley, Fan, D=166, Ratio 1:1 | 1 |
Z8-3-1 Lower Idler Pulley, 79mm Diameter
| 13***9Z | Bolt, M8 X 35, Flange Reduced Hex | 2 |
| 13***1Z | Bolt, M8 X 45, Flange Reduced Hex | 1 |
| 32***86 | Pulley, Lower Idler, Assembly | 1 |
Z8-2-1 Autotensioner, Drive Belt
| 13***8Z | Screw, Star Drive, M8 X 30 | 3 |
| 32***84 | Adjuster, Auto-Tension | 1 |
| 32***46 | Adjuster, Autotensioner | 1 |
Z8-12-3 Front End Drive, Accessory, With Cooling Fan
| 32***00 | Hub, Fan Drive, Assembly | 1 |
| 32***03 | Pulley, Cooling Fan 1.25:1, D=133mm | 1 |
| 32***30 | Pulley, Idler, Long | 1 |
Z8-3-2 Lower Idler Pulley
| 13***5Z | Bolt, Flange Head, M8 X 65 | 3 |
| 22***62 | Circlip, Internal | 1 |
| 32***22 | Pulley, Idler, D=124mm | 1 |
Z8-12-4 Front End Drive, Accessories, With Cooling Fan
| 32***03 | Pulley, Cooling Fan 1.25:1, D=133mm | 1 |
| 32***41 | Screw, Pan Head, M8 X 20 | 4 |
| 32***50 | Hub, Fan Drive, Assembly 1.375 Ratio | 1 |
Z9-1-1 Starter Motor, 12.Volt
| 13***8Z | Screw, Star Drive, M10 X 30 | 3 |
| 32***32 | Motor, Starter 12v, With Earth Stud | 1 |
| 32***52 | Motor, Starter | 1 |
Z10-1-1 Alternator, 12volt - 95amp
| 13***8Z | Screw, Star Drive, M10 X 30 | 1 |
| 13***2Z | Bolt, Star Drive, M10 X 120 | 1 |
| 32***60 | Alternator, 12v-95amp | 1 |
Z11-1-1 Switches & Senders, 12volt
| 17***02 | Seal, Ring | 1 |
| 32***46 | Switch, Oil Pressure | 1 |
| 32***57 | Seal, Bonded | 1 |
Z12-2-1 Fuel Pipework, Low Pressure
| 32***39 | Bolt, Banjo M12 | 2 |
| 32***33 | Ring, Snap | 1 |
| 32***34 | O Ring | 4 |
Z12-3-1 Fuel Pipework, Primary Filter
| 32***41 | Pipe, Fuel Filter To Pump | 1 |
| 32***42 | Clip, Pipe, 8/9mm Dia | 1 |
| 32***43 | Clip, Pipe, 9.5/10mm Dia | 1 |
Z12-2-10 Fuel Pipes, Low Pressure, Tca
| 32***39 | Bolt, Banjo M12 | 2 |
| 32***33 | Ring, Snap | 1 |
| 32***34 | O Ring | 4 |
Z12-1-1 Fuel Pipework, High Pressure
| 32***11 | Clip, F.I.P 2 Way | 4 |
| 32***59 | Pipe, Fuel, Injector 1 & 2, Assembly | 1 |
| 32***60 | Pipe, Fuel Injector 3 & 4, Assembly | 1 |
Z13-2-1 Fuel Injector, Tc
| 32***93 | Bolt, Injector Clamp | 4 |
| 32***39 | Clamp, Fuel Injector | 4 |
| 32***24 | Seal, Injector | 1 |
Z13-1-1 Fuel Injector, Tca
| 32***93 | Bolt, Injector Clamp | 4 |
| 32***39 | Clamp, Fuel Injector | 4 |
| 32***24 | Seal, Injector | 1 |
Z14-1-1 Fuel Lift Pump
| 13***7Z | Screw, Star Drive, M8 X 25 | 3 |
| 32***40 | Pump, Fuel Lift | 1 |
| 32***51 | O Ring | 1 |
Z15-2-1 Fuel Injection Pump, 12v - 74kw
| 32***19 | Seal, Injection Pump To Timing Case | 1 |
| 32***64 | Nut, M8 Flange Head | 3 |
| 32***77 | Nut, M14, Fuel Injection Pump Gear | 1 |
Z15-50-1 Injection Pump, Service Parts
| 32***74 | Kit-Regulator | 1 |
| 32***75 | Kit-Timing Window | 1 |
| 32***76 | Kit-Plug | 1 |
Z15-1-1 Fuel Injection Pump, 12v - 110kw
| 32***19 | Seal, Injection Pump To Timing Case | 1 |
| 32***64 | Nut, M8 Flange Head | 3 |
| 32***77 | Nut, M14, Fuel Injection Pump Gear | 1 |
Z16-1-1 Water Pump
| 32***10 | Gasket, Water Pump | 1 |
| 32***14 | Screw, Pan Head, M8 X 25 | 4 |
| 32***42 | Pump, Water, Assembly | 1 |
Z17-1-1 Water Inlet, Connector
| 13***7Z | Screw, Star Drive, M8 X 25 | 4 |
| 32***01 | Gasket, Water Inlet Pipe | 1 |
| 32***47 | Connector, Water Inlet, Assembly | 1 |
Z18-1-1 Thermostat & Housing
| 13***5Z | Screw, Star Drive, M8 X 20 | 3 |
| 32***40 | Housing, Thermostat | 1 |
| 32***43 | Seal, C | 1 |
Z19-1-1 Rocker Cover
| 32***90 | Cap, Oil Filler, Assembly | 1 |
| 32***92 | O Ring, Oil Filler Cap | 1 |
| 32***73 | Spring, Ccv Valve | 1 |
Z19-11-1 Cover, Injector Seal
| 32***16 | Cover, Injector Seal | 1 |
| 32***17 | Insert, Injector Seal Cover | 4 |
| 32***21 | G.A, Cover.Injector Seal | 1 |
Z20-3-1 Rocker Shaft, Assembly
| 13***2Z | Bolt, M8 X 50 | 7 |
| 13***5Z | Bolt, Flange Head, M8 X 65 | 1 |
| 32***23 | Washer, Spring | 4 |
Z21-2-1 Valve Tappets & Push, -Rods
| 32***24 | Tappet, Valve | 8 |
| 32***77 | Rod, Push | 8 |
| 32***05 | Camshaft, Assembly | 1 |
Z22-1-1 Turbocharger, Tc
| 32***07 | Stud, M8 X 75 | 4 |
| 32***08 | Nut, Lock, M8 Special | 4 |
| 32***53 | Gasket, Single, Tc To Manifold | 1 |
Z22-2-1 Turbocharger, Tca
| 32***07 | Stud, M8 X 75 | 4 |
| 32***08 | Nut, Lock, M8 Special | 4 |
| 32***53 | Gasket, Single, Tc To Manifold | 1 |
Z23-1-10 Turbo Pipework
| 13***3Z | Bolt, M6 X 16, Flange Reduced Hex | 2 |
| 13***5Z | Screw, Star Drive, M8 X 20 | 2 |
| 32***51 | O Ring | 2 |
Z23-1-1 Turbo Pipework
| 13***3Z | Screw, M6x16 | 2 |
| 13***5Z | Screw, Star Drive, M8 X 20 | 2 |
| 32***51 | O Ring | 2 |
Z23-2-1 Turbo Crossover Tube
| 32***14 | G.A, Turbo Crossover Tube, Garrett Htt | 1 |
| 32***33 | Tube, Turbo Crossover | 1 |
| 32***36 | Hose, 49.5mm X 55mm | 2 |
Z25-4-1 Induction Manifold, Tca
| 13***7Z | Screw, Star Drive, M8 X 25 | 10 |
| 32***11 | Plate, Blanking, Intake Heater | 1 |
| 32***12 | Gasket, Intake Heater | 1 |
Z26-2-1 Exhaust Manifold, Tc
| 32***00 | Manifold, Exhaust | 1 |
| 32***35 | Gasket, Heatshield | 1 |
| 32***45 | Bolt, M10 X 57 | 8 |
Z27-3-1 Cylinder Head, Assembly
| 14***15 | Washer, Seal; Replaces Khj0891 | 1 |
| 32***03 | Plug, Core, D=40mm | 2 |
| 32***28 | Sealant, 620 | 0 |
Z28-1-1 Brackets, Engine Lifting
| 13***8Z | Screw, Star Drive, M10 X 30 | 4 |
| 32***20 | Bracket, Engine Lifting | 2 |
| 32***39 | Label, Front Lifting Eye | 1 |
Z29-4-1 Oil Cooler
| 13***5Z | Bolt, Flange Head, M8 X 20 Lg | 5 |
| 13***7Z | Bolt, M8 X 25, Flange Reduced Hex | 11 |
| 21***07 | Pin, Tension | 1 |
Z30-1-1 Oil Level Dipstick, & Tube, Short
| 13***5Z | Bolt, Flange Head, M8 X 20 Lg | 1 |
| 32***27 | O Ring | 2 |
| 32***29 | O Ring | 1 |
Z31-1-1 Oil Sump
| 13***3Z | Screw, Star Drive, M8 X 16 | 2 |
| 32***13 | Plug, Oil Drain | 2 |
| 32***50 | O Ring | 2 |
Z31-2-1 Pump, Oil, Sump Extraction
| 33***58 | Pump, Sump Oil Extraction | 1 |
| 33***59 | Bracket, Oil Pump Support | 1 |
| 33***60 | Hose, Oil Extraction Pump | 1 |
Z32-1-1 Oil Pump
| 13***2Z | Screw, Star Drive, M8 X 50 | 4 |
| 32***31 | Pump, Engine Oil | 1 |
| 32***20 | Pump, Oil | 1 |
Z33-1-1 Flywheel Assembly, 11.5"Sae J620
| 32***42 | Bolt, M14 X 108mm | 8 |
| 32***72 | Flywheel, Assembly | 1 |
| 32***75 | Hub, Flywheel | 1 |
Z34-1-1 Flywheel Housing, Fh1
| 13***3Z | Screw, Star Drive, M8 X 16 | 2 |
| 13***7Z | Screw, Star Drive, M8 X 25 | 4 |
| 13***2Z | Screw, Star Drive, M8 X 50 | 8 |
Z35-2-1 Camshaft, & Idler Gear, Tc
| 32***30 | Camshaft, Assembly, Tc/Tca | 1 |
| 32***36 | Plug, Idler Gear Blanking, M8 X 18 | 3 |
| 32***06 | Camshaft, Assembly | 1 |
Z36-1-1 Timing Case & Covers, Idler Blanking
| 13***7Z | Screw, Star Drive, M10 X 25 | 2 |
| 13***9Z | Screw, Star Drive, M12 X 35 | 2 |
| 32***25 | Sealant, Loctite 5182 | 0 |
Z37-2-1 Piston & Con-Rod, Assemblies, Tca
| 32***17 | Bush, Small End | 1 |
| 32***40 | Bolt, Con-Rod, M8 X 57 | 2 |
| 32***50 | Circlip | 2 |
Z37-2-1 Piston & Con-Rod, Assemblies, Tc
| 32***17 | Bush, Small End | 1 |
| 32***40 | Bolt, Con-Rod, M8 X 57 | 2 |
| 32***50 | Circlip | 2 |
Z38-5-1 Crankshaft Assembly, 11.5" Flywheel
| 13***1Z | Screw, Star Drive, M10 X 45 | 1 |
| 21***05 | Dowel, Pin | 2 |
| 32***75 | Hub, Flywheel | 1 |
Z39-2-1 Cylinder Block, Assembly, Tc
| 13***8Z | Bolt, Star Drive, M8 X 80 | 16 |
| 32***01 | Plug, Core, D=25mm | 1 |
| 32***02 | Plug, Core, D=36mm | 2 |
Z39-3-1 Cylinder Block, Assembly, Tca
| 13***5Z | Screw, Star Drive, M8 X 20 | 2 |
| 13***8Z | Bolt, Star Drive, M8 X 80 | 16 |
| 32***01 | Plug, Core, D=25mm | 1 |
Z42-1-1 Mountings, Engine & Power Unit
| 13***7Z | Bolt, M12 X 25mm, Reduce Flange Hex | 8 |
| 13***8Z | Bolt, Flange Head, M12 X 30 | 8 |
| 13***0Z | Bolt, Flange Head, M16 X 35 | 2 |
Z43-2-1 Air Filter, Installation
| 13***8Z | Bolt, M8 X 30, Flange Reduced Hex | 2 |
| 13***7Z | Bolt, M10 X 25, Flange Reduced Hex | 3 |
| 13***3Z | Nut, Self Lock, M8 | 2 |
Z43-1-1 Air Filter, Installation
| 13***9Z | Setscrew, M8x35 | 2 |
| 13***7Z | Screw, M10 X 25 | 3 |
| 16***77 | Cap, Rain | 1 |
Z44-1-1 Air Induction Hoses, Turbo
| 16***74 | Adapter, Vacuum Sensor | 1 |
| 22***13 | Clip, Jubilee; Replaces Khj0336 | 1 |
| 22***16 | Clip, Jubilee | 1 |
Z44-2-1 Air Induction Hoses, Turbo
| 16***74 | Adapter, Vacuum Sensor | 1 |
| 22***13 | Clip, Jubilee; Replaces Khj0336 | 1 |
| 22***15 | Clip, Jubilee | 1 |
Z46-11-1 Fan Guards
| 13***3Z | Bolt, M6 X 16, Flange Reduced Hex | 6 |
| 32***17 | G.A., Cooling Pack - Na, Canopy | 0 |
| 32***49 | G.A, Cooling Pack - G-Drive | 0 |
Z46-1-1 Radiator & Fittings, Mountings
| 13***3Z | Bolt, M6 X 16, Flange Reduced Hex | 17 |
| 13***2Z | Bolt, M8 X 50 | 1 |
| 13***8Z | Bolt, M10 X 30, Flange Reduced Hex | 4 |
Z46-2-1 Fittings & Mountings, Coolers
| 13***9Z | Bolt | 2 |
| 13***2Z | Bolt, M8 X 50 | 1 |
| 13***7Z | Bolt, M10 X 25, Flange Reduced Hex | 4 |
Z47-2-1 Fan Guards
| 13***7Z | Screw, M6 X 25mm Long | 25 |
| 32***28 | Guard, Fan, Right Hand | 1 |
| 32***29 | Guard, Fan, Idler Pulley | 1 |
Z47-1-1 Radiator Assembly
| 32***17 | G.A., Cooling Pack - Na, Canopy | 1 |
| 33***38 | Radiator | 1 |
Z47-1-10 Cooling Pack, Assembly
| 16***80 | Cap, 1 Bar Pressure | 1 |
| 22***12 | Clip, Jubilee | 12 |
| 32***32 | Guard, Fan, Assembly, Tca | 1 |
Z48-11-1 Radiator, Coolant Drain
| 22***05 | Clip, Jubilee | 2 |
| 32***32 | G.A, Coolant Drain | 1 |
| 33***18 | Adaptor, Bulkhead | 1 |
Z48-1-1 Radiator, Hose & Pipework
| 22***01 | Clip, Jubilee | 3 |
| 22***12 | Clip, Jubilee | 4 |
| 32***14 | Tank, Coolant Recovery | 1 |
Z49-1-10 Cooling Fan, &, Spacer Tca
| 13***5Z | Bolt, Flange Head, M8 X 65 | 4 |
| 14***7D | Washer, M8 Plain | 4 |
| 32***39 | Fan, Cooling, 24" Pusher | 1 |
Z49-1-1 Cooling Fan & Spacer
| 13***5Z | Bolt, Flange Head, M8 X 65 | 4 |
| 32***94 | Fan, 22" Pusher | 1 |
| 32***19 | G.A., Engine Fan, Canopy | 1 |
Z50-15-1 Primary Fuel Filter, Installation
| 13***7Z | Screw, M8 X 25 | 2 |
| 13***7Z | Screw, M12 X 25 | 2 |
| 32***17 | Filter, Fuel Sediment, 30 Micron | 1 |
Z50-11-1 3-Way Ball Valve
| 13***1Z | Screw | 4 |
| 13***3Z | Nut | 4 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 4 |
Z51-1-1 Primary Fuel Filter
| 32***02 | Ring, Retaining | 1 |
| 32***03 | Seal, Dust | 1 |
| 32***94 | Element, Fuel Filter | 1 |
Z58-1-1 Ccv Filter Outlet
| 13***3Z | Bolt, M6 X 16, Flange Reduced Hex | 1 |
| 32***19 | G.A., Breather | 1 |
| 33***20 | Hose, Ccv | 1 |
Z58-2-1 Ccv Filter Outlet, Tca
| 32***53 | Clip | 1 |
| 32***19 | G.A, Ccv Breather Tca | 0 |
| 32***43 | G.A, Ccv Breather Tca | 0 |
Z60-1-1 Chassis, Canopy Builds, D2
| 33***14 | Frame, Canopy Support, Lower | 1 |
| 33***29 | Clamp | 3 |
| 33***30 | Pipe, End Silencer | 1 |
Z61-2-1 Canopy, Assembly, Standard Range
| 33***51 | Cover | 2 |
| 33***53 | Dowel, Location | 2 |
| 33***56 | Hinge | 6 |
Z61-1-1 Canopy, Assembly, Rental
| 33***51 | Cover | 2 |
| 33***53 | Dowel, Location | 2 |
| 33***56 | Hinge | 2 |
Z62-1-1 Generator Alternator, Uci224e
| 32***08 | Regulator, A.V.R Sx460 | 1 |
| 32***69 | Alternator | 1 |
| 32***99 | Kit-Rectifier, Service | 1 |
Z62-3-1 Generator Alternator, Uci274d
| 32***08 | Regulator, A.V.R Sx460 | 1 |
| 32***99 | Kit-Rectifier, Service | 1 |
| 33***24 | Regulator, Voltage, Mx341 Avr | 1 |
Z62-2-1 Generator Alternator, Uci224g
| 32***08 | Regulator, A.V.R Sx460 | 1 |
| 32***99 | Kit-Rectifier, Service | 1 |
| 32***79 | Alternator, Assembly, Uci 224 G16 | 1 |
Z63-10-1 Kit, Conversion, Can/Usb
| 33***91 | Kit, Can/Usb Converter; Kit Consists Of: Cc/Usb Converter; Usb Cable; Db9 Connector;, Telecontrol Software; Configuration Software | 1 |
Z65-11-2 Coolant Level Switch
| 32***92 | Switch, Coolant Level | 1 |
| 32***65 | G.A, Coolant Level Switch | 1 |
| 33***09 | Harness, Link, Low Coolant | 1 |
Z65-2-10 Battery Installation, With Isolator Switch, Tca
| 13***3Z | Bolt, M6 X 16, Flange Reduced Hex | 2 |
| 13***7Z | Bolt, M6 X 25, Flange Head | 2 |
| 13***3Z | Nut | 2 |
Z65-11-4 Sensor, Oil Temperature
| 32***15 | G.A, Lube Oil Temp Sensor | 1 |
| 33***10 | Harness, Link, Engine Oil Pressure | 1 |
| 33***41 | Switch, Oil Temperature | 1 |
Z65-11-5 Electronic Governor
| 13***3Z | Bolt, M6 X 16, Flange Reduced Hex | 1 |
| 32***22 | Sensor, Vr Crankshaft | 1 |
| 32***65 | Plate, Sensor Clamping | 1 |
Z65-11-10 Engine Electrics, Tca
| 13***7Z | Bolt, M12 X 25mm, Reduce Flange Hex | 3 |
| 13***3Z | Nut | 2 |
| 13***3Z | Nut, Self Lock, M8 | 1 |
Z65-22-1 Engine Block Heater, 230/240v
| 32***53 | Washer, Copper Sealing | 1 |
| 32***59 | Element, Engine Block Heater, 230v | 1 |
| 32***60 | Kit-Block Heater, Engine, 230v | 1 |
Z65-11-3 Oil Pressure Sender
| 14***08 | Seal, Washer | 2 |
| 32***80 | G.A, Oil Pressure Sender | 1 |
| 33***79 | Adapter, Oil Pressure Sender | 1 |
Z65-11-1 Engine Electrics
| 13***7Z | Bolt, M12 X 25mm, Reduce Flange Hex | 3 |
| 13***3Z | Nut | 2 |
| 13***3Z | Nut, Self Lock, M8 | 1 |
Z65-21-1 Engine Block Heater, 110/120v
| 32***50 | Heater, Cylinder Block, 1000w - 120v Mains | 1 |
| 32***53 | Washer, Copper Sealing | 1 |
| 32***82 | Kit-Heater, Engine Block, 120v | 1 |
Z66-1-1 Battery
| 33***50 | Battery, Gel Type | 1 |
G115X(JCB GENERATOR) serial number reference
Locate the machine identification plate on the generator frame or canopy. Verify the serial number falls within the sourced range and confirm the specific market configuration (50Hz or 60Hz) with a JCB dealer.
| Prefix | Identifies | Notes |
|---|---|---|
| 01650000-01699999 | Applicability for JCB G115X 1 50HZ Generator Set (Parts Catalogue the OEM part reference) | |
| 01650000-01699999 | Applicability for JCB G115X 1 60HZ Generator Set (Parts Catalogue the OEM part reference) |
Frequently asked questions
What engine does the JCB G115X use?
The JCB G115X uses a JCB DieselMaxx G-TCA-100 4-cylinder engine with a mechanical governor. It is available in Tier IIIa emissions compliance.
What is the operating weight of the JCB G115X?
The operating weight of the JCB G115X is 1,830 kg (4,034 lb).
What model replaced the JCB G115X?
The G115QS is the successor model within the QS compact generator range, offering updated control systems and engine configurations.
What G115X(JCB GENERATOR) owners discuss
What engine powers the JCB G115X generator series?
The JCB G115X generator series is powered by the JCB DieselMaxx G-TCA-100, a 4-cylinder diesel engine with a mechanical governor. It is available in Tier IIIa emissions compliant configurations.
What are the power output ratings for the JCB G115X generator?
The JCB G115X generator provides a standby rating of 92 kW (115 kVA) and a rated prime rating of 84 kW (105 kVA). The rated amps per phase are 167 A.
What alternator and controller are standard on the JCB G115X?
The standard alternator is the MeccAlte ECP34-2S/4. The standard controller is the DeepSea 4510. JCB LiveLink telemetry is available as standard with 36 months of data time.
What are the physical dimensions and weight of the JCB G115X?
The unit weighs 1830 kg. The dimensions are 285 cm in length, 114 cm in width, and 185 cm in height.
What fuel system features are included with the JCB G115X?
The generator includes a 270-liter bunded integrated fuel tank. It also comes standard with a battery charger and an engine block heater.
What enclosure and safety features are standard on the JCB G115X?
The unit features a weatherproof enclosure with heavy-gauge all-steel construction. Standard safety and access features include a 160Amp MCB, CE pack, forklift pockets, a central lifting point, door stays, and bump protection blocks.
What should be checked when buying a used JCB G115X generator?
Verify the serial number range (the OEM part reference-the OEM part reference) against the parts catalog to ensure correct component identification. Check the DeepSea 4510 controller for error logs, inspect the MeccAlte alternator for winding integrity, and verify the 270L fuel tank for corrosion or leaks. Have your dealer verify the engine block heater and battery charger functionality.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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