Jcb G45QX(JCB GENERATOR)
Maintenance schedule, common problems & OEM parts breakdown
The JCB G45QX is a diesel-powered generator set within the JCB G-series range, designed for primary and standby power applications. The machine utilizes a JCB Dieselmax or Sisu diesel engine, depending on the specific serial range and production year. Operating weights vary by configuration, typically ranging from 4,500 kg to 5,500 kg (9,921 to 12,125 lb) for the G45 class. Production years for the G45QX generally fall between 2009 and 2018, covered by operator manual publication the OEM part reference. The G45QX is part of the G8X to G45QX family lineage, often succeeded by the G60RX series in the power spectrum. Configurations offered include open skid-mounted units and sound-attenuated enclosures, with control options including KS1 digital panels or CP1/CP2 digital control panels.
Across the G-series generations, the primary change has been the transition from older mechanical fuel injection systems to modern common-rail engines with integrated electronic control units (ECUs). Early G-series units may have utilized Sisu or Scania engines, while later G45QX models often feature JCB Dieselmax engines to meet stricter emissions standards without DEF. The G45QX remains relevant in the used market due to its robust Dieselmax powertrain and the availability of standardized alternator components. Its modular design allows for easier engine swaps and maintenance compared to earlier fixed-frame generator sets, making it a cost-effective option for rental fleets and industrial backup power where reliability is prioritized over compact footprint.
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 G45QX(JCB GENERATOR) specifications
Engine
| Model | JCB by Kohler KDI 2504 TM |
| Configuration | 4-Cylinder, Mechanical Governor |
| Displacement | Not documented for this exact serial range — verify with your dealer |
| Emissions Tier | Not documented for this exact serial range — verify with your dealer |
Weights
| Operating Weight | 1000 kg (2205 lb) |
Dimensions
| Transport Length | 225 cm (7.38 ft) |
| Transport Width | 84 cm (2.76 ft) |
| Transport Height | 135 cm (4.43 ft) |
Performance
| Standby Rating (50 Hz) | 44.8 kVA / 35.8 kW |
| Prime Rating (50 Hz) | 40.7 kVA / 32.5 kW |
| Current Output | 64 A per phase |
Service capacities (summary)
| Fuel Tank | 81 L (bundled, integrated) |
| Hydraulic System | Not documented for this exact serial range — verify with your dealer |
| Engine Oil | Not documented for this exact serial range — verify with your dealer |
| Cooling System | Not documented for this exact serial range — verify with your dealer |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
Jcb G45QX(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 G45QX(JCB GENERATOR) beyond the schedule
Predictive Maintenance & Fluid Analysis
At the 500-hour interval, take oil samples from the engine, hydraulic tank, and axle systems to establish a baseline. Monitor for rising silicon levels indicating air filter leaks or copper wear signaling bearing degradation. The JCB Dieselmax engine relies on strict oil cleanliness; use JCB Engine Oil Special or equivalent 15W-40 diesel oil meeting API specifications. Regular fluid analysis prevents premature injector failure and extends the 500-hour oil change interval safely. Track hydraulic oil viscosity changes to detect coolant ingress or fuel dilution before catastrophic pump failure occurs.
Corrective & Common Repairs
Common repairs on the G45QX involve replacing the primary and secondary fuel filters at 500 hours to protect common-rail injectors. Inspect the alternator BC or UC range brushes and slip rings for wear during the 1000-hour service. Check the KS1 or CP1/CP2 control panel wiring for corrosion, especially in the connector pins. Replace drive belts if tension drops below specification. Address turbocharger boot leaks promptly to prevent unfiltered air ingestion. Verify the thermostat housing bolts and gasket integrity to prevent coolant loss, a frequent issue in high-hour units.
Overhaul & Rebuild Points
The 2000-hour interval marks the deep service point for the G45QX. Replace the hydraulic oil and thoroughly clean the hydraulic tank to remove sludge. Inspect the engine structural mounts for cracking. Measure the swing ring play if the generator is mounted on a rotating platform. Check injector spray patterns and replace any nozzles showing leakage or poor atomization. Inspect the alternator windings for insulation breakdown. If the engine has exceeded 10,000 hours, consider a major overhaul including piston rings, valve seats, and turbocharger rebuild based on oil analysis trends.
Seasonal & Environment Servicing
In cold climates, check the coolant freeze point before winter. Ensure the fuel water separator is drained daily to prevent gelation or ice blockage. In dusty environments, inspect the air filter restriction indicator more frequently than the standard 500-hour interval. Clean radiator fins regularly to maintain heat rejection. In coastal areas, inspect all electrical connections and the KS1/CP1 control panel for salt corrosion. Apply grease to all pivot points after exposure to salt spray. Verify the sound-attenuated enclosure seals are intact to prevent moisture ingress into the alternator and control systems.
G45QX(JCB GENERATOR) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 02/971534 | Element, Fuel Filter, Cartridge Type | Fuel system service | Check fitment → |
| 02/971542 | Filter, Element, Fuel | Fuel system service | Check fitment → |
| 332/Z1631 | Kit, Fuel Filter Racor, 4tnv98/98t Gge Ins + Dec | Fuel system service | Check fitment → |
| 02/971620 | Filter, Fuel | Fuel system service | Check fitment → |
| 02/971616 | Filter, Fuel | Fuel system service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
G45QX(JCB GENERATOR) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| P0087 | Too low pressure in the fuel line / system | Fuel supply restriction, failing lift pump, or clogged filter | Check fuel filter condition and fuel line integrity for leaks or blockages |
| P0088 | Too high pressure in the fuel line / system | Faulty fuel pressure regulator or restricted return line | Inspect fuel pressure regulator operation and return line flow |
| P0115 | Circuit 1, engine coolant temperature sensor | Faulty coolant temperature sensor (ECT) or wiring issue | Verify sensor resistance values and inspect connector for corrosion |
| P0190 | Circuit “A” of the fuel pressure sensor in the highway | Faulty high-pressure fuel rail sensor or open circuit | Check sensor wiring harness and connector pins for damage |
| P0200 | Injector circuit open | Open circuit in injector wiring or connector | Visually inspect injector wiring harness for chafing or disconnection |
| P0335 | Crankshaft Position Sensor "A" Circuit / No Signal | Failed crank sensor or damaged tone ring | Inspect crank sensor air gap and wiring continuity |
| P0336 | Torque Reduction Crank Sensor Fault (Signal Fault) | Intermittent signal from crank position sensor | Check sensor mounting and signal integrity during operation |
| P0321-87 | CAN bus message error for engine speed from engine ECU | CAN bus communication fault or ECU data loss | Inspect CAN bus wiring connections and termination resistors |
| 203 EN TMP | Engine Temperature Fault (EMS Electrical) | Cooling system failure or temperature sensor fault | Check coolant level, thermostat operation, and sensor wiring |
| 300 EC1 CAN | EMS Electrical CAN Communication Fault | Loss of communication between EMS and ECU | Verify CAN bus network integrity and connector seating |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
G45QX(JCB GENERATOR) attachments & work tools
Compact Range Generators
The G45QS is a compact generator with a Prime Power (PRP) of 40kVA and Standby Power (ESP) of 45kVA. It utilizes a total fuel capacity of 81 liters and is part of the JCB 4 Cylinder DIESELMAX or 6 Cylinder DIESELMAX powertrain family.
Mid Range Diesel Generators
The G40QX, G44QX, and G50QX models represent the mid-range heavy duty power systems. These units are powered by engines from Scania, Cummins, or Volvo and feature a total fuel capacity of 740 liters.
Rental Range Generators
The RS Range includes Tier 4 Final-compliant models designed for the rental market. The G40RS V offers a Prime Power of 40kVA (32kW) with a total fuel capacity of 226 liters.
All G45QX(JCB GENERATOR) assemblies by section
Every catalogued assembly group for the Jcb G45QX(JCB GENERATOR). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Z Jcb Generator Set
Jcb : G45qx(Jcb Generator) : Z Jcb Generator Set : Z00 Generator Sets
Z1-8-20 Flywheel Housing, & Sump
| 02***21 | Bolt, M8 X 35 | 3 |
| 02***52 | Bolt, M8 X 45 | 24 |
| 02***07 | Dowel, . | 4 |
Z1-6-10 Timing Case & Covers
| 02***18 | Housing | 1 |
| 02***86 | Nut | 3 |
| 02***06 | Bolt, M6 X 16 | 2 |
Z1-3-20 Cylinder Block, Assembly
| 02***32 | Plug, . | 3 |
| 02***04 | Plug, . | 1 |
| 02***05 | Plug, . | 1 |
Z1-4-10 Crankshaft, Bearings, Pistons & Con-Rods
| 02***07 | Dowel, . | 1 |
| 02***10 | Key, . | 1 |
| 02***21 | Gear, . | 1 |
Z1-8-1 Flywheel Housing, & Sump
| 02***22 | Plug, M16 | 1 |
| 02***25 | Seal, Washer | 1 |
| 02***52 | Bolt, M8 X 45 | 11 |
Z1-4-50 Crankshaft, Bearings, Pistons & Con-Rods
| 02***10 | Key, . | 2 |
| 02***25 | Bolt, . | 1 |
| 02***50 | Bearing, Con Rod Std | 4 |
Z1-6-20 Timing Case & Covers
| 02***18 | Housing | 1 |
| 02***86 | Nut | 3 |
| 02***06 | Bolt, M6 X 16 | 2 |
Z1-4-1 Crankshaft, Bearings, Pistons & Con-Rods
| 02***04 | Key, 4 X 12 | 1 |
| 02***07 | Dowel, . | 4 |
| 02***26 | Bolt, . | 5 |
Z1-8-10 Flywheel Housing, & Sump
| 02***21 | Bolt, M8 X 35 | 3 |
| 02***52 | Bolt, M8 X 45 | 20 |
| 02***07 | Dowel, . | 4 |
Z1-6-50 Timing Case & Covers
| 02***52 | Bolt, M8 X 45 | 3 |
| 02***06 | Bolt, M6 X 16 | 2 |
| 02***07 | Dowel, . | 4 |
Z1-1-30 Engine, Assembly, 4tnv84tggeh
| 02***30 | Engine, Assembly Complete | 1 |
Z1-7-20 Camshaft, &, Gears
| 02***21 | Bolt, M8 X 40 | 3 |
| 02***05 | Tappet, . | 8 |
| 02***08 | Plate | 1 |
Z1-6-1 Timing Case & Covers
| 02***84 | Bolt, M6 X 12 | 1 |
| 02***86 | Nut | 3 |
| 02***06 | Bolt, M6 X 16 | 6 |
Z1-8-40 Flywheel Housing, & Sump
| 02***31 | Bolt, M8 X 12 | 16 |
| 02***07 | Dowel, . | 2 |
| 02***46 | Plug, . | 1 |
Z1-4-40 Crankshaft, Bearings, Pistons & Con-Rods
| 02***10 | Key, . | 1 |
| 02***25 | Bolt, . | 1 |
| 02***50 | Bearing, Con Rod Std | 4 |
Z1-1-1 Engine, Assembly, 3tnv76ggeh
| 02***27 | Engine, Assembly Complete | 1 |
Z1-7-10 Camshaft, &, Gears
| 02***21 | Bolt, M8 X 40 | 3 |
| 02***05 | Tappet, . | 6 |
| 02***08 | Plate | 1 |
Z1-7-30 Camshaft, &, Gears
| 02***21 | Bolt, M8 X 40 | 3 |
| 02***05 | Tappet, . | 8 |
| 02***08 | Plate | 1 |
Z1-7-40 Camshaft, &, Gears
| 02***22 | Bolt, M8 X 55 | 3 |
| 02***59 | Bolt, M8 X 16 | 2 |
| 02***05 | Tappet, . | 8 |
Z1-4-30 Crankshaft, Bearings, Pistons & Con-Rods
| 02***07 | Dowel, . | 1 |
| 02***10 | Key, . | 1 |
| 02***21 | Gear, . | 1 |
Z1-3-30 Cylinder Block, Assembly
| 02***32 | Plug, . | 3 |
| 02***04 | Plug, . | 1 |
| 02***05 | Plug, . | 1 |
Z1-8-50 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 |
Z1-4-20 Crankshaft, Bearings, Pistons & Con-Rods
| 02***07 | Dowel, . | 1 |
| 02***10 | Key, . | 1 |
| 02***21 | Gear, . | 1 |
Z1-1-40 Engine, Assembly, 4tnv98ggeh
| 02***31 | Engine, Assembly Complete | 1 |
Z1-3-1 Cylinder Block, Assembly
| 02***32 | Plug, . | 1 |
| 02***05 | Plug, . | 1 |
| 02***07 | Plug, 12 | 1 |
Z1-1-50 Engine, Assembly, 4tnv98tggeh
| 02***32 | Engine, Assembly Complete | 1 |
Z1-7-50 Camshaft, &, Gears
| 02***22 | Bolt, M8 X 55 | 3 |
| 02***59 | Bolt, M8 X 16 | 2 |
| 02***05 | Tappet, . | 8 |
Z1-1-10 Engine, Assembly, 3tnv88ggeh
| 02***28 | Engine, Assembly Complete | 1 |
Z1-6-40 Timing Case & Covers
| 02***52 | Bolt, M8 X 45 | 3 |
| 02***06 | Bolt, M6 X 16 | 2 |
| 02***07 | Dowel, . | 4 |
Z1-1-20 Engine, Assembly, 4tnv88ggeh
| 02***29 | Engine, Assembly Complete | 1 |
Z1-3-10 Cylinder Block, Assembly
| 02***32 | Plug, . | 3 |
| 02***04 | Plug, . | 1 |
| 02***05 | Plug, . | 1 |
Z1-3-40 Cylinder Block, Assembly
| 02***04 | Plug, . | 1 |
| 02***08 | Plug, 30 | 8 |
| 02***19 | Plug, . | 3 |
Z1-3-50 Cylinder Block, Assembly
| 02***04 | Plug, . | 1 |
| 02***08 | Plug, 30 | 8 |
| 02***19 | Plug, . | 3 |
Z1-7-1 Camshaft, &, Gears
| 02***84 | Bolt, M6 X 12 | 2 |
| 02***34 | Tappet | 6 |
| 02***35 | Rod, Push | 6 |
Z1-6-30 Timing Case & Covers
| 02***86 | Nut | 3 |
| 02***06 | Bolt, M6 X 16 | 2 |
| 02***22 | Bolt, M8 X 55 | 12 |
Z2-1-10 Cylinder Head, & Rocker Assembly
| 02***21 | Bolt, M8 X 35 | 3 |
| 02***44 | Bolt, M8 X 25 | 2 |
| 02***59 | Bolt, M8 X 16 | 4 |
Z2-1-30 Cylinder Head, & Rocker Assembly
| 02***44 | Bolt, M8 X 25 | 3 |
| 02***59 | Bolt, M8 X 16 | 4 |
| 02***29 | Cap, Filler | 1 |
Z2-1-20 Cylinder Head, & Rocker Assembly
| 02***21 | Bolt, M8 X 35 | 4 |
| 02***44 | Bolt, M8 X 25 | 3 |
| 02***59 | Bolt, M8 X 16 | 4 |
Z2-1-40 Cylinder Head, & Rocker Assembly
| 02***86 | Nut | 2 |
| 02***21 | Bolt, M8 X 40 | 2 |
| 02***30 | Stud, M8 X 22 | 2 |
Z2-1-1 Cylinder Head, & Rocker Assembly
| 02***44 | Cap, Valve | 6 |
| 02***52 | Bolt, M6 X 20 | 3 |
| 02***21 | Bolt, M8 X 40 | 3 |
Z2-1-50 Cylinder Head, & Rocker Assembly
| 02***31 | Bolt, M8 X 12 | 1 |
| 02***86 | Nut | 2 |
| 02***21 | Bolt, M8 X 40 | 2 |
Z3-3-10 Air Induction, &, Air Filter
| 02***21 | Bolt, M8 X 40 | 2 |
| 02***49 | Clip, . | 2 |
| 02***97 | Gasket, . | 1 |
Z3-2-30 Exhaust System
| 02***02 | Bolt, M8x22 | 4 |
| 02***10 | Gasket, Exhaust Manifold | 1 |
| 02***65 | Manifold, Exhaust | 1 |
Z3-2-50 Exhaust System
| 02***32 | Bolt, M8 X 80 | 8 |
| 02***72 | Stud, M8 X 20 | 4 |
| 02***83 | Gasket, Exhaust Manifold | 1 |
Z3-3-20 Air Induction, &, Air Filter
| 02***21 | Bolt, M8 X 40 | 2 |
| 02***49 | Clip, . | 2 |
| 02***97 | Gasket, . | 1 |
Z3-3-30 Air Induction, &, Air Filter
| 02***21 | Bolt, M8 X 35 | 4 |
| 02***97 | Gasket, . | 1 |
| 02***00 | Element, Air Filter Safety | 1 |
Z3-2-10 Exhaust System
| 02***86 | Nut | 2 |
| 02***02 | Bolt, M8x22 | 4 |
| 02***04 | Gasket, . | 1 |
Z3-2-40 Exhaust System
| 02***86 | Nut | 2 |
| 02***02 | Bolt, M8x22 | 4 |
| 02***32 | Bolt, M8 X 80 | 6 |
Z3-3-40 Air Induction, &, Air Filter
| 02***52 | Bolt, M8 X 45 | 8 |
| 02***21 | Bolt, M8 X 40 | 2 |
| 02***64 | Filter, Air | 1 |
Z3-3-1 Air Induction, &, Air Filter
| 02***83 | Filter, Element, Main | 1 |
| 02***28 | Hose, Air Intake | 1 |
| 02***29 | Filter, Air Assembly | 1 |
Z3-2-20 Exhaust System
| 02***86 | Nut | 2 |
| 02***02 | Bolt, M8x22 | 4 |
| 02***32 | Bolt, M8 X 80 | 6 |
Z3-2-1 Exhaust System
| 02***02 | Bolt, M8x22 | 4 |
| 02***45 | Manifold, Exhaust | 1 |
| 02***46 | Gasket, Exhaust Manifold | 1 |
Z3-3-50 Air Induction, &, Air Filter
| 02***52 | Bolt, M8 X 45 | 8 |
| 02***64 | Filter, Air | 1 |
| 02***22 | Bolt, M8 X 80 | 2 |
Z4-1-50 Cooling Water System, Fan & Belt
| 02***31 | Bolt, M8 X 12 | 1 |
| 02***84 | Bolt, M6 X 12 | 1 |
| 02***52 | Bolt, M6 X 20 | 4 |
Z4-1-40 Cooling Water System, Fan & Belt
| 02***31 | Bolt, M8 X 12 | 1 |
| 02***84 | Bolt, M6 X 12 | 1 |
| 02***52 | Bolt, M6 X 20 | 4 |
Z4-1-30 Cooling Water System, Fan & Belt
| 02***31 | Bolt, M8 X 12 | 1 |
| 02***34 | Plug, Screw 1/8 Npt | 1 |
| 02***52 | Bolt, M8 X 45 | 1 |
Z4-1-20 Cooling Water System, Fan & Belt
| 02***31 | Bolt, M8 X 12 | 1 |
| 02***34 | Plug, Screw 1/8 Npt | 1 |
| 02***52 | Bolt, M8 X 45 | 1 |
Z4-1-10 Cooling Water System, Fan & Belt
| 02***31 | Bolt, M8 X 12 | 1 |
| 02***34 | Plug, Screw 1/8 Npt | 1 |
| 02***52 | Bolt, M8 X 45 | 1 |
Z4-1-1 Cooling Water System, Fan & Belt
| 02***31 | Bolt, M8 X 12 | 1 |
| 02***48 | Bolt, M6 X 45 | 4 |
| 02***03 | Gasket, . | 1 |
Z5-1-20 Engine, Lubrication, & Sump
| 02***16 | Nut, M6 | 1 |
| 02***21 | Bolt, M8 X 35 | 2 |
| 02***41 | Tube, Dipstick | 1 |
Z5-1-10 Engine, Lubrication, & Sump
| 02***16 | Nut, M6 | 1 |
| 02***21 | Bolt, M8 X 35 | 2 |
| 02***41 | Tube, Dipstick | 1 |
Z5-1-40 Engine, Lubrication, & Sump
| 02***31 | Bolt, M8 X 12 | 4 |
| 02***59 | Bolt, M8 X 16 | 1 |
| 02***41 | Tube, Dipstick | 1 |
Z5-1-1 Engine, Lubrication, & Sump
| 02***19 | Bolt, M6 X 10 | 2 |
| 02***41 | Tube, Dipstick | 1 |
| 02***45 | Switch, Oil Pressure | 1 |
Z5-1-50 Engine, Lubrication, & Sump
| 02***31 | Bolt, M8 X 12 | 1 |
| 02***41 | Tie, . | 1 |
| 02***59 | Bolt, M8 X 16 | 1 |
Z5-1-30 Engine, Lubrication, & Sump
| 02***21 | Bolt, M8 X 35 | 2 |
| 02***41 | Tube, Dipstick | 1 |
| 02***42 | Gasket, . | 1 |
Z6-1-50 Fuel Injection Pump
| 02***50 | Bolt, M10 X 20 | 1 |
| 02***59 | Bolt, M8 X 16 | 2 |
| 02***87 | O Ring, . | 1 |
Z6-6-20 Fuel Pipes, &, Filters
| 02***76 | Clamp | 4 |
| 02***34 | Element, Fuel Filter, Cartridge Type | 1 |
| 02***40 | Pump, Assembly | 1 |
Z6-3-10 Fuel System
| 02***16 | Clamp, Hose | 6 |
| 02***22 | Bolt, M4x14 | 4 |
| 02***23 | Pipe, Clamp | 2 |
Z6-3-30 Fuel System
| 02***16 | Clamp, Hose | 2 |
| 02***50 | Seal, Washer | 1 |
| 02***21 | Pipe, Clamp | 2 |
Z6-6-40 Fuel Pipes, &, Filters
| 02***16 | Clamp, Hose | 2 |
| 02***41 | Tie, . | 1 |
| 02***76 | Clamp | 3 |
Z6-6-30 Fuel Pipes, &, Filters
| 02***76 | Clamp | 4 |
| 02***34 | Element, Fuel Filter, Cartridge Type | 1 |
| 02***40 | Pump, Assembly | 1 |
Z6-2-40 Governor Assembly
| 02***25 | Seal, Washer | 1 |
| 02***78 | Bolt, M6 X 25 | 8 |
| 02***32 | Bolt, M6 X 40 | 2 |
Z6-2-1 Governor Assembly
| 02***52 | Bolt, M6 X 14 | 2 |
| 02***19 | Bolt, M6 X 10 | 4 |
| 02***26 | Washer, Seal | 2 |
Z6-3-1 Fuel System
| 02***76 | Clamp | 2 |
| 02***26 | Washer, Seal | 5 |
| 02***46 | Clamp, . | 2 |
Z6-4-40 Kit, Fuel Tank To Filter, (Racor) 4tnv98
| 33***31 | Kit, Fuel Filter Racor, 4tnv98/98t Gge Ins + Dec | 1 |
| 33***32 | Filter, Racor | 1 |
| 33***33 | Tube | 0 |
Z6-3-50 Fuel System
| 02***06 | Bolt, M6 X 16 | 2 |
| 02***21 | Pipe, Clamp | 1 |
| 02***22 | Bolt, M4x14 | 3 |
Z6-1-1 Fuel Injection Pump
| 02***32 | Pump, Fuel Lift | 1 |
| 02***10 | Seal | 1 |
| 02***11 | Plate, Cover | 1 |
Z6-1-40 Fuel Injection Pump
| 02***50 | Bolt, M10 X 20 | 1 |
| 02***59 | Bolt, M8 X 16 | 2 |
| 02***87 | O Ring, . | 1 |
Z6-2-10 Governor Assembly
| 02***52 | Bolt, M6 X 20 | 10 |
| 02***52 | Bolt, M6 X 14 | 6 |
| 02***21 | Cap, . | 1 |
Z6-1-30 Fuel Injection Pump
| 02***59 | Bolt, M8 X 16 | 1 |
| 02***87 | O Ring, . | 1 |
| 02***26 | Washer, Seal | 5 |
Z6-6-50 Fuel Pipes, &, Filters
| 02***16 | Clamp, Hose | 2 |
| 02***41 | Tie, . | 1 |
| 02***76 | Clamp | 3 |
Z6-1-10 Fuel Injection Pump
| 02***59 | Bolt, M8 X 16 | 1 |
| 02***87 | O Ring, . | 1 |
| 02***26 | Washer, Seal | 5 |
Z6-6-1 Fuel Pipes, &, Filters
| 02***76 | Clamp | 4 |
| 02***59 | Bolt, M8 X 16 | 2 |
| 02***26 | Washer, Seal | 2 |
Z6-3-40 Fuel System
| 02***06 | Bolt, M6 X 16 | 2 |
| 02***21 | Pipe, Clamp | 1 |
| 02***22 | Bolt, M4x14 | 3 |
Z6-6-10 Fuel Pipes, &, Filters
| 02***76 | Clamp | 4 |
| 02***34 | Element, Fuel Filter, Cartridge Type | 1 |
| 02***40 | Pump, Assembly | 1 |
Z6-3-20 Fuel System
| 02***16 | Clamp, Hose | 8 |
| 02***22 | Bolt, M4x14 | 4 |
| 02***23 | Pipe, Clamp | 1 |
Z7-2-1 Turbo Pipework
| 02***16 | Nut, M6 | 1 |
| 02***31 | Bolt, M8 X 12 | 1 |
| 02***06 | Bolt, M6 X 16 | 2 |
Z7-2-10 Turbo Pipework
| 02***31 | Bolt, M8 X 12 | 4 |
| 02***06 | Bolt, M6 X 16 | 2 |
| 02***22 | Spring, Pin | 4 |
Z7-1-10 Turbocharger
| 02***86 | Nut | 4 |
| 02***02 | Bolt, M8x22 | 4 |
| 02***00 | Turbocharger, Rhf5 | 1 |
Z7-1-1 Turbocharger
| 02***86 | Nut | 5 |
| 02***70 | Turbocharger, Rhf4 | 1 |
| 02***71 | Gasket | 1 |
Z8-1-50 Gasket Sets
| 02***03 | Gasket, . | 1 |
| 02***46 | Gasket, . | 2 |
| 02***38 | O Ring, . | 2 |
Z8-1-20 Gasket Sets
| 02***03 | Gasket, . | 1 |
| 02***46 | Gasket, . | 2 |
| 02***32 | O Ring, . | 4 |
Z8-1-30 Gasket Sets
| 02***03 | Gasket, . | 1 |
| 02***46 | Gasket, . | 2 |
| 02***32 | O Ring, . | 4 |
Z8-1-10 Gasket Sets
| 02***03 | Gasket, . | 1 |
| 02***46 | Gasket, . | 2 |
| 02***32 | O Ring, . | 4 |
Z8-1-1 Gasket Sets
| 02***25 | Seal, Washer | 1 |
| 02***03 | Gasket, . | 1 |
| 02***38 | Nozzle, Protection | 3 |
Z8-1-40 Gasket Sets
| 02***03 | Gasket, . | 1 |
| 02***46 | Gasket, . | 2 |
| 02***38 | O Ring, . | 2 |
Z10-1-20 Starter Motor
| 02***38 | Motor, Starter | 1 |
Z10-1-1 Starter Motor
| 02***15 | Motor, Starter | 1 |
| 33***74 | Screw, M10 X 25 | 2 |
Z10-2-1 Alternator
| 02***87 | Timer, Fuel Cut-Off | 1 |
| 02***61 | Bolt, . | 1 |
| 02***62 | Spacer, . | 1 |
Z10-1-10 Starter Motor
| 02***45 | Motor, Starter | 1 |
Z10-2-20 Alternator
| 02***39 | Alternator | 1 |
Z60-5-10 Chassis, Frame & Components, Without Canopy
| 33***12 | Bracket, Mounting | 1 |
| 33***70 | Tank, Diesel Fuel | 1 |
| 33***71 | Frame, Cross | 1 |
Z60-4-10 Chassis, Frame & Components, Without Canopy
| 33***12 | Bracket, Mounting | 1 |
| 33***70 | Tank, Diesel Fuel | 1 |
| 33***71 | Frame, Cross | 1 |
Z60-3-1 Chassis
| 33***01 | Clamp | 3 |
| 33***06 | Meter, Flow | 1 |
| 33***12 | Bracket, Mounting | 1 |
Z60-1-10 Chassis, Frame & Components, Without Canopy
| 33***12 | Bracket, Mounting | 1 |
| 33***70 | Tank, Diesel Fuel | 1 |
| 33***71 | Frame, Cross | 1 |
Z60-5-1 Chassis
| 33***09 | Clamp | 3 |
| 33***10 | Silencer, Exhaust | 1 |
| 33***11 | Forklift, Pocket | 2 |
Z60-1-1 Chassis
| 33***01 | Clamp | 3 |
| 33***02 | Pipe, End Silencer | 1 |
| 33***03 | Silencer, Exhaust | 1 |
Z60-4-1 Chassis
| 33***01 | Clamp | 3 |
| 33***06 | Meter, Flow | 1 |
| 33***12 | Bracket, Mounting | 1 |
Z60-3-10 Chassis, Frame & Components, Without Canopy
| 33***12 | Bracket, Mounting | 1 |
| 33***70 | Tank, Diesel Fuel | 1 |
| 33***71 | Frame, Cross | 1 |
Z60-2-1 Chassis
| 33***01 | Clamp | 3 |
| 33***02 | Pipe, End Silencer | 1 |
| 33***03 | Silencer, Exhaust | 1 |
Z60-6-1 Chassis
| 33***09 | Clamp | 3 |
| 33***14 | Frame, Canopy Support, Lower | 1 |
| 33***17 | Silencer, Exhaust | 1 |
Z61-4-1 Canopy
| 33***51 | Cover | 1 |
| 33***53 | Dowel, Location | 2 |
| 33***60 | Grommet | 2 |
Z61-1-1 Canopy
| 33***50 | Panel, Top | 1 |
| 33***51 | Cover | 1 |
| 33***52 | Panel, Side | 1 |
Z61-3-1 Canopy
| 33***51 | Cover | 2 |
| 33***53 | Dowel, Location | 2 |
| 33***60 | Grommet | 2 |
Z61-2-1 Canopy
| 33***51 | Cover | 1 |
| 33***53 | Dowel, Location | 2 |
| 33***56 | Hinge | 2 |
Z62-6-1 Generator Alternator, Bci184g
| 32***07 | Kit, Rectifier | 1 |
| 32***08 | Regulator, A.V.R Sx460 | 1 |
| 32***44 | Alternator | 1 |
Z62-1-1 Generator Alternator, Bci164b
| 32***07 | Kit, Rectifier | 1 |
| 32***08 | Regulator, A.V.R Sx460 | 1 |
| 33***24 | Bearing, Nde | 1 |
Z62-4-1 Generator Alternator, Bci184e
| 32***07 | Kit, Rectifier | 1 |
| 32***08 | Regulator, A.V.R Sx460 | 1 |
| 32***38 | Alternator | 1 |
Z62-5-1 Generator Alternator, Bci184f
| 32***07 | Kit, Rectifier | 1 |
| 32***08 | Regulator, A.V.R Sx460 | 1 |
| 32***80 | Alternator, Assembly | 1 |
Z62-2-1 Generator Alternator, Bci164c
| 32***07 | Kit, Rectifier | 1 |
| 32***08 | Regulator, A.V.R Sx460 | 1 |
| 33***24 | Bearing, Nde | 1 |
Z62-3-1 Generator Alternator, Bci164d
| 32***06 | Alternator | 1 |
| 32***07 | Kit, Rectifier | 1 |
| 32***08 | Regulator, A.V.R Sx460 | 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 |
Z63-1-1 Control Panel
| 33***32 | Key, Ignition | 1 |
| 33***25 | Unit, Control Panel Assembly | 1 |
| 33***28 | Panel, Front | 1 |
Jcb : G45qx(Jcb Generator) : Z Jcb Generator Set : Z64 Generator Ac Power
Z66-4-1 Cables
| 33***38 | Battery, Cables, Yanmar 4tnv88/84t | 1 |
Z66-1-1 Cables, & Isolator
| 33***29 | Kit, Battery Isolator, 1103 | 1 |
| 33***34 | Battery, Cables, Yanmar 3tnv | 1 |
Z66-8-1 Cables, & Isolator
| 33***30 | Kit, Battery Isolator, 1109 | 1 |
| 33***38 | Battery, Cables, Yanmar 4tnv88/84t | 1 |
| 33***45 | Battery, Cables | 1 |
Z66-11-1 Cables, Isolation Kit, & Bridge
| 33***30 | Kit, Battery Isolator, 1109 | 1 |
| 33***35 | Battery, Cables, Yanmar 4tnv98t | 1 |
| 33***42 | Bridge, Battery, With Isolator Kit | 1 |
Z66-9-1 Cables, Isolation Kit, & Bridge
| 33***30 | Kit, Battery Isolator, 1109 | 1 |
| 33***37 | Battery, Cables, Yanmar 4tnv98 | 1 |
| 33***42 | Bridge, Battery, With Isolator Kit | 1 |
Z66-2-1 Cables
| 33***40 | Battery, Cables, Yanmar 3tnv76/88 | 1 |
Z66-3-1 Cables, & Isolator
| 33***29 | Kit, Battery Isolator, 1103 | 1 |
| 33***36 | Battery, Cables, Yanmar 4tnv88/84t/98 | 1 |
Z66-6-1 Cables, Isolation Kit, & Bridge
| 33***29 | Kit, Battery Isolator, 1103 | 1 |
| 33***36 | Battery, Cables, Yanmar 4tnv88/84t/98 | 1 |
| 33***42 | Bridge, Battery, With Isolator Kit | 1 |
Z66-7-1 Cables, & Isolator
| 33***29 | Kit, Battery Isolator, 1103 | 1 |
| 33***38 | Battery, Cables, Yanmar 4tnv88/84t | 1 |
Z66-5-1 Cables, & Isolator
| 33***29 | Kit, Battery Isolator, 1103 | 1 |
| 33***38 | Battery, Cables, Yanmar 4tnv88/84t | 1 |
| 33***45 | Battery, Cables | 1 |
Z66-10-1 Cables, Isolation Kit, & Bridge
| 33***30 | Kit, Battery Isolator, 1109 | 1 |
| 33***39 | Battery, Cables, Yanmar 4tnv98 | 1 |
| 33***42 | Bridge, Battery, With Isolator Kit | 1 |
G45QX(JCB GENERATOR) serial number reference
Check the machine identification plate for the serial number. Confirm applicability with a JCB dealer.
| Prefix | Identifies | Notes |
|---|---|---|
| 1650000 onwards | Applicability: JCB G45QX generator set. Operator manual coverage for models G8X through G45QX. | |
| 1650000 onwards | Applicability: JCB G45QX generator set. Factory service and shop manual coverage for schematics, engines, alternators, control panels, and operator manuals. |
Frequently asked questions
What engine does the JCB G45QX use?
The JCB G45QX uses a JCB Dieselmax or Sisu diesel engine, depending on the serial range and production year. Specific engine models are detailed in the service manual for serial numbers the OEM part reference–the OEM part reference and the OEM part reference onwards.
What is the operating weight of the G45QX?
Operating weight varies by configuration, typically ranging from 4,500 kg to 5,500 kg (9,921 to 12,125 lb) for the G45 class. Exact weights depend on the enclosure type, battery size, and fuel tank capacity.
What model replaced the G45QX?
The G45QX is part of the G8X to G45QX family. It is often succeeded by the G60RX series in the power spectrum, which covers higher power outputs. The G60RX to G115QX series uses operator manual the OEM part reference.
What G45QX(JCB GENERATOR) owners discuss
What engine configurations are associated with the JCB G45QX generator series?
What are the common electrical issues reported for the G45QX control systems?
What maintenance is critical for the G45QX cooling system?
What alternator ranges are used in the G45QX generator?
What are the typical wear patterns or hydraulic behaviors for JCB power systems?
What should be checked when buying a used G45QX generator?
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
Need a specific G45QX(JCB GENERATOR) part?
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