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Jcb G17QX(JCB GENERATOR)
Maintenance schedule, common problems & OEM parts breakdown
The JCB G17QX is a 13.6 kW (17 kVA) diesel generator set manufactured in the United Kingdom. It utilizes a Yanmar liquid-cooled diesel engine operating at 1500 rpm to produce 230/400 V, 50 Hz power. The unit weighs 765 kg and measures 2100 mm x 975 mm x 1349 mm. It is offered in an enclosed silenced configuration with a 100-liter fuel tank. The G17QX belongs to the G17 series, which includes variants like the G17X and G17X with Automatic Voltage Regulation (AVR). It serves as a compact power solution for commercial, industrial, and agricultural sectors, succeeding earlier G-series models and preceding the G20QS in the power range.
Across the G-series generation, JCB standardized the use of Yanmar engines for reliability and fuel efficiency in the 8-17 kVA class. The G17QX differs from the G17X primarily by its enclosed, sound-attenuated canopy and integrated battery charger. The machine remains relevant in the used and parts market due to its heavy-duty construction, 110% fully bunded enclosure for spill containment, and bio-diesel compatibility. Its compact footprint and low fuel consumption (3.29 L/h at 75% load) make it a staple for sites requiring reliable standby or prime power where noise and emissions are concerns.
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 G17QX(JCB GENERATOR) specifications
Engine
| Engine make/model | Yanmar |
| Nominal power | 13.6 kW |
| Maximum power | 14.4 kW |
| Engine speed | 1500 rpm |
| Cooling system | Liquid-cooled |
Weights
| Operating/shipping weight | 765 kg (1686 lb) |
Dimensions
| Transport length | 2100 mm (82.7 in) |
| Transport width | 975 mm (38.4 in) |
| Transport height | 1349 mm (53.1 in) |
Performance
| Electrical output (nominal) | 13.6 kW |
| Electrical output (maximum) | 14.4 kW |
| Voltage | 230/400 V |
| Frequency | 50 Hz |
| Phases | 3 |
| Autonomous runtime (at 75% load) | 30.4 hours |
Service capacities (summary)
| Fuel tank capacity | 100 L (26.4 gal) |
| Fuel consumption (at 75% load) | 3.29 L/h (0.87 gal/h) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
Jcb G17QX(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 G17QX(JCB GENERATOR) beyond the schedule
Predictive Maintenance & Fluid Analysis
Monitor engine oil pressure and coolant temperature gauges daily. Analyze fuel samples for water content given the 100-liter tank capacity. Check the air restriction indicator on the Yanmar engine intake. Inspect the 110% bunded enclosure for corrosion or damage. Verify voltage regulator stability under load. Track fuel consumption rates to detect injector wear early.
Corrective & Common Repairs
Replace the fuel water separator element if the engine runs rough. Clean the radiator and intercooler fins to prevent overheating. Inspect the fan belt for wear and adjust tension as needed. Check the battery terminals for corrosion and tighten connections. Replace the air filter element if the restriction indicator triggers. Inspect the exhaust manifold for leaks that could affect performance.
Overhaul & Rebuild Points
At 2000 hours, inspect the turbocharger shaft play and housing for wear. Check injector nozzle spray patterns and pressure settings. Inspect the alternator brushes and commutator for wear. Verify engine valve clearance and adjust if necessary. Inspect the starter motor and solenoid for proper operation. Check the fuel tank vent for blockages that could cause cavitation.
Seasonal & Environment Servicing
In cold weather, ensure the water jacket heater is functional to aid starting. Drain the fuel separator bowl more frequently in humid conditions. Inspect the enclosure seals for integrity to maintain IP 23 protection. Check the battery electrolyte level and top up with distilled water if necessary. Inspect the exhaust system for condensation buildup. Verify the AVR calibration after extended periods of inactivity.
G17QX(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 → |
| 02/971616 | Filter, Fuel | Fuel system service | Check fitment → |
| 02/971874 | Filter, Fuel Assembly | Fuel system service | Check fitment → |
| 02/971876 | Bowl, Fuel Sedimenter Filter | Fuel system service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
G17QX(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 |
| P0088 | Too high pressure in the fuel line / system | Fuel pressure regulator malfunction or restricted return line | Inspect fuel pressure regulator and return lines |
| P0190 | Circuit 'A' of the fuel pressure sensor in the highway | Open circuit in the high-pressure fuel rail sensor wiring | Visually inspect sensor connector and wiring harness for damage |
| P0200 | Injector circuit open | Broken wire or disconnected connector in the injector harness | Check injector connectors and wiring continuity |
| P0335 | Crankshaft Position Sensor 'A' Circuit / No Signal | Faulty crank sensor or damaged signal ring | Inspect crank sensor wiring and sensor mounting |
| P0336 | Torque Reduction Crank Sensor Fault (Signal Fault) | Intermittent signal or noise from crank position sensor | Check sensor gap and wiring for interference |
| P0100 | Torque Reduction AMF High Side Driver fault | Open circuit or short to battery in the air mass flow sensor driver | Inspect AMF sensor wiring and connector pins |
| P0101 | MAF Sensor Fault | Mass Air Flow sensor malfunction or contamination | Clean or replace the MAF sensor |
| P0252 | Range / Performance 'A' of the fuel pump fuel meter | Fuel metering valve or high-pressure pump issue | Check fuel metering valve operation and electrical connections |
| P029B | Injector drift fault detection on Injector 2 | Injector 2 MDP trim exceeds calibrated threshold | Test or replace Injector 2 |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
G17QX(JCB GENERATOR) attachments & work tools
Compact Range Generators
The G17QX falls within the JCB Compact Generator Range, which includes models from the G20QS to the G220QS. These units are powered by JCB 4-cylinder or 6-cylinder DIESELMAX engines or JCB Diesel by Kohler powerplants. The range is designed for superior performance, low fuel consumption, and low noise operation.
Mid Range Generators
The G17QX is distinct from the Mid Range Diesel Generators, which utilize engines from Scania, Cummins, and Volvo. This mid-range class begins with the G275QS and extends to the G720QX, featuring larger fuel capacities (449l to 740l) and higher prime power outputs (250kVA to 646kVA).
Rental Range (RS)
The G17QX is not part of the Stage V Rental Series (RS), which includes models like the G18RS V and G100RS V. The RS range is specifically designed for the North American rental market with Tier 4 Final compliance, whereas the G17QX is a standalone compact unit.
Work Tools & Attachments
As a stationary power generation unit, the G17QX does not utilize hydraulic work tools, quickhitches, or mounting systems for excavator or loader attachments. It is a self-contained powerpack designed for electrical output rather than mechanical linkage.
Engine & Powertrain
The G17QX is powered by a JCB Diesel by Kohler or JCB DIESELMAX engine. Specific engine serial prefixes or build codes for the G17QX are not documented in the provided source text; verification requires the specific machine serial number.
All G17QX(JCB GENERATOR) assemblies by section
Every catalogued assembly group for the Jcb G17QX(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 : G17qx(Jcb Generator) : Z Jcb Generator Set : Z00 Generator Sets
Z1-4-40 Crankshaft, Bearings, Pistons & Con-Rods
| 02***10 | Key, . | 1 |
| 02***25 | Bolt, . | 1 |
| 02***50 | Bearing, Con Rod Std | 4 |
Z1-6-40 Timing Case & Covers
| 02***52 | Bolt, M8 X 45 | 3 |
| 02***06 | Bolt, M6 X 16 | 2 |
| 02***07 | Dowel, . | 4 |
Z1-6-20 Timing Case & Covers
| 02***18 | Housing | 1 |
| 02***86 | Nut | 3 |
| 02***06 | Bolt, M6 X 16 | 2 |
Z1-3-30 Cylinder Block, Assembly
| 02***32 | Plug, . | 3 |
| 02***04 | Plug, . | 1 |
| 02***05 | Plug, . | 1 |
Z1-7-40 Camshaft, &, Gears
| 02***22 | Bolt, M8 X 55 | 3 |
| 02***59 | Bolt, M8 X 16 | 2 |
| 02***05 | Tappet, . | 8 |
Z1-1-50 Engine, Assembly, 4tnv98tggeh
| 02***32 | Engine, Assembly Complete | 1 |
Z1-7-50 Camshaft, &, Gears
Z1-1-40 Engine, Assembly, 4tnv98ggeh
| 02***31 | Engine, Assembly Complete | 1 |
Z1-4-30 Crankshaft, Bearings, Pistons & Con-Rods
| 02***07 | Dowel, . | 1 |
| 02***10 | Key, . | 1 |
| 02***21 | Gear, . | 1 |
Z1-4-20 Crankshaft, Bearings, Pistons & Con-Rods
| 02***07 | Dowel, . | 1 |
| 02***10 | Key, . | 1 |
| 02***21 | Gear, . | 1 |
Z1-8-10 Flywheel Housing, & Sump
| 02***21 | Bolt, M8 X 35 | 3 |
| 02***52 | Bolt, M8 X 45 | 20 |
| 02***07 | Dowel, . | 4 |
Z1-1-1 Engine, Assembly, 3tnv76ggeh
| 02***27 | Engine, Assembly Complete | 1 |
Z1-7-30 Camshaft, &, Gears
| 02***21 | Bolt, M8 X 40 | 3 |
| 02***05 | Tappet, . | 8 |
| 02***08 | Plate | 1 |
Z1-8-20 Flywheel Housing, & Sump
| 02***21 | Bolt, M8 X 35 | 3 |
| 02***52 | Bolt, M8 X 45 | 24 |
| 02***07 | Dowel, . | 4 |
Z1-6-50 Timing Case & Covers
| 02***52 | Bolt, M8 X 45 | 3 |
| 02***06 | Bolt, M6 X 16 | 2 |
| 02***07 | Dowel, . | 4 |
Z1-1-10 Engine, Assembly, 3tnv88ggeh
| 02***28 | 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 |
Z1-3-40 Cylinder Block, Assembly
| 02***04 | Plug, . | 1 |
| 02***08 | Plug, 30 | 8 |
| 02***19 | Plug, . | 3 |
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 |
Z1-4-10 Crankshaft, Bearings, Pistons & Con-Rods
| 02***07 | Dowel, . | 1 |
| 02***10 | Key, . | 1 |
| 02***21 | Gear, . | 1 |
Z1-4-1 Crankshaft, Bearings, Pistons & Con-Rods
| 02***04 | Key, 4 X 12 | 1 |
| 02***07 | Dowel, . | 4 |
| 02***26 | Bolt, . | 5 |
Z1-3-10 Cylinder Block, Assembly
| 02***32 | Plug, . | 3 |
| 02***04 | Plug, . | 1 |
| 02***05 | Plug, . | 1 |
Z1-1-20 Engine, Assembly, 4tnv88ggeh
| 02***29 | Engine, Assembly Complete | 1 |
Z1-8-1 Flywheel Housing, & Sump
| 02***22 | Plug, M16 | 1 |
| 02***25 | Seal, Washer | 1 |
| 02***52 | Bolt, M8 X 45 | 11 |
Z1-8-40 Flywheel Housing, & Sump
| 02***31 | Bolt, M8 X 12 | 16 |
| 02***07 | Dowel, . | 2 |
| 02***46 | Plug, . | 1 |
Z1-4-50 Crankshaft, Bearings, Pistons & Con-Rods
| 02***10 | Key, . | 2 |
| 02***25 | Bolt, . | 1 |
| 02***50 | Bearing, Con Rod Std | 4 |
Z1-3-1 Cylinder Block, Assembly
| 02***32 | Plug, . | 1 |
| 02***05 | Plug, . | 1 |
| 02***07 | Plug, 12 | 1 |
Z1-3-50 Cylinder Block, Assembly
| 02***04 | Plug, . | 1 |
| 02***08 | Plug, 30 | 8 |
| 02***19 | Plug, . | 3 |
Z1-6-30 Timing Case & Covers
| 02***86 | Nut | 3 |
| 02***06 | Bolt, M6 X 16 | 2 |
| 02***22 | Bolt, M8 X 55 | 12 |
Z1-7-10 Camshaft, &, Gears
| 02***21 | Bolt, M8 X 40 | 3 |
| 02***05 | Tappet, . | 6 |
| 02***08 | Plate | 1 |
Z1-6-10 Timing Case & Covers
| 02***18 | Housing | 1 |
| 02***86 | Nut | 3 |
| 02***06 | Bolt, M6 X 16 | 2 |
Z1-1-30 Engine, Assembly, 4tnv84tggeh
| 02***30 | Engine, Assembly Complete | 1 |
Z1-7-1 Camshaft, &, Gears
| 02***84 | Bolt, M6 X 12 | 2 |
| 02***34 | Tappet | 6 |
| 02***35 | Rod, Push | 6 |
Z1-3-20 Cylinder Block, Assembly
| 02***32 | Plug, . | 3 |
| 02***04 | Plug, . | 1 |
| 02***05 | Plug, . | 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 |
Z2-1-10 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 |
Z2-1-1 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 |
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 |
Z2-1-30 Cylinder Head, & Rocker Assembly
| 02***44 | Bolt, M8 X 25 | 3 |
| 02***59 | Bolt, M8 X 16 | 4 |
| 02***29 | Cap, Filler | 1 |
Z3-2-10 Exhaust System
| 02***86 | Nut | 2 |
| 02***02 | Bolt, M8x22 | 4 |
| 02***04 | Gasket, . | 1 |
Z3-2-1 Exhaust System
| 02***02 | Bolt, M8x22 | 4 |
| 02***45 | Manifold, Exhaust | 1 |
| 02***46 | Gasket, Exhaust Manifold | 1 |
Z3-2-40 Exhaust System
| 02***86 | Nut | 2 |
| 02***02 | Bolt, M8x22 | 4 |
| 02***32 | Bolt, M8 X 80 | 6 |
Z3-3-20 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 |
Z3-3-40 Air Induction, &, Air Filter
| 02***52 | Bolt, M8 X 45 | 8 |
| 02***21 | Bolt, M8 X 40 | 2 |
| 02***64 | Filter, Air | 1 |
Z3-3-10 Air Induction, &, Air Filter
| 02***21 | Bolt, M8 X 40 | 2 |
| 02***49 | Clip, . | 2 |
| 02***97 | Gasket, . | 1 |
Z3-2-20 Exhaust System
| 02***86 | Nut | 2 |
| 02***02 | Bolt, M8x22 | 4 |
| 02***32 | Bolt, M8 X 80 | 6 |
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 |
Z3-3-1 Air Induction, &, Air Filter
| 02***83 | Filter, Element, Main | 1 |
| 02***28 | Hose, Air Intake | 1 |
| 02***29 | Filter, Air Assembly | 1 |
Z3-3-50 Air Induction, &, Air Filter
| 02***52 | Bolt, M8 X 45 | 8 |
| 02***64 | Filter, Air | 1 |
| 02***22 | Bolt, M8 X 80 | 2 |
Z4-1-40 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 |
Z4-1-1 Cooling Water System, Fan & Belt
| 02***31 | Bolt, M8 X 12 | 1 |
| 02***48 | Bolt, M6 X 45 | 4 |
| 02***03 | Gasket, . | 1 |
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 |
Z4-1-50 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 |
Z5-1-1 Engine, Lubrication, & Sump
| 02***19 | Bolt, M6 X 10 | 2 |
| 02***41 | Tube, Dipstick | 1 |
| 02***45 | Switch, Oil Pressure | 1 |
Z5-1-20 Engine, Lubrication, & Sump
| 02***16 | Nut, M6 | 1 |
| 02***21 | Bolt, M8 X 35 | 2 |
| 02***41 | Tube, Dipstick | 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 |
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 |
Z5-1-10 Engine, Lubrication, & Sump
| 02***16 | Nut, M6 | 1 |
| 02***21 | Bolt, M8 X 35 | 2 |
| 02***41 | Tube, Dipstick | 1 |
Z6-1-10 Fuel Injection Pump
| 02***59 | Bolt, M8 X 16 | 1 |
| 02***87 | O Ring, . | 1 |
| 02***26 | Washer, Seal | 5 |
Z6-3-10 Fuel System
| 02***16 | Clamp, Hose | 6 |
| 02***22 | Bolt, M4x14 | 4 |
| 02***23 | Pipe, Clamp | 2 |
Z6-2-40 Governor Assembly
| 02***25 | Seal, Washer | 1 |
| 02***78 | Bolt, M6 X 25 | 8 |
| 02***32 | Bolt, M6 X 40 | 2 |
Z6-6-30 Fuel Pipes, &, Filters
| 02***76 | Clamp | 4 |
| 02***34 | Element, Fuel Filter, Cartridge Type | 1 |
| 02***40 | Pump, Assembly | 1 |
Z6-2-1 Governor Assembly
| 02***52 | Bolt, M6 X 14 | 2 |
| 02***19 | Bolt, M6 X 10 | 4 |
| 02***26 | Washer, Seal | 2 |
Z6-6-40 Fuel Pipes, &, Filters
| 02***16 | Clamp, Hose | 2 |
| 02***41 | Tie, . | 1 |
| 02***76 | Clamp | 3 |
Z6-3-1 Fuel System
| 02***76 | Clamp | 2 |
| 02***26 | Washer, Seal | 5 |
| 02***46 | Clamp, . | 2 |
Z6-3-50 Fuel System
| 02***06 | Bolt, M6 X 16 | 2 |
| 02***21 | Pipe, Clamp | 1 |
| 02***22 | Bolt, M4x14 | 3 |
Z6-6-1 Fuel Pipes, &, Filters
| 02***76 | Clamp | 4 |
| 02***59 | Bolt, M8 X 16 | 2 |
| 02***26 | Washer, Seal | 2 |
Z6-3-30 Fuel System
| 02***16 | Clamp, Hose | 2 |
| 02***50 | Seal, Washer | 1 |
| 02***21 | Pipe, Clamp | 2 |
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 |
Z6-3-20 Fuel System
| 02***16 | Clamp, Hose | 8 |
| 02***22 | Bolt, M4x14 | 4 |
| 02***23 | Pipe, Clamp | 1 |
Z6-6-50 Fuel Pipes, &, Filters
| 02***16 | Clamp, Hose | 2 |
| 02***41 | Tie, . | 1 |
| 02***76 | Clamp | 3 |
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 |
Z6-6-20 Fuel Pipes, &, Filters
| 02***76 | Clamp | 4 |
| 02***34 | Element, Fuel Filter, Cartridge Type | 1 |
| 02***40 | Pump, Assembly | 1 |
Z6-1-1 Fuel Injection Pump
| 02***32 | Pump, Fuel Lift | 1 |
| 02***10 | Seal | 1 |
| 02***11 | Plate, Cover | 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 |
Z6-1-40 Fuel Injection Pump
| 02***50 | Bolt, M10 X 20 | 1 |
| 02***59 | Bolt, M8 X 16 | 2 |
| 02***87 | O Ring, . | 1 |
Z6-6-10 Fuel Pipes, &, Filters
| 02***76 | Clamp | 4 |
| 02***34 | Element, Fuel Filter, Cartridge Type | 1 |
| 02***40 | Pump, Assembly | 1 |
Z6-3-40 Fuel System
| 02***06 | Bolt, M6 X 16 | 2 |
| 02***21 | Pipe, Clamp | 1 |
| 02***22 | Bolt, M4x14 | 3 |
Z7-1-1 Turbocharger
| 02***86 | Nut | 5 |
| 02***70 | Turbocharger, Rhf4 | 1 |
| 02***71 | Gasket | 1 |
Z7-1-10 Turbocharger
| 02***86 | Nut | 4 |
| 02***02 | Bolt, M8x22 | 4 |
| 02***00 | Turbocharger, Rhf5 | 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 |
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 |
Z8-1-20 Gasket Sets
| 02***03 | Gasket, . | 1 |
| 02***46 | Gasket, . | 2 |
| 02***32 | O Ring, . | 4 |
Z8-1-50 Gasket Sets
| 02***03 | Gasket, . | 1 |
| 02***46 | Gasket, . | 2 |
| 02***38 | O Ring, . | 2 |
Z10-2-1 Alternator
| 02***87 | Timer, Fuel Cut-Off | 1 |
| 02***61 | Bolt, . | 1 |
| 02***62 | Spacer, . | 1 |
Z10-1-1 Starter Motor
| 02***15 | Motor, Starter | 1 |
| 33***74 | Screw, M10 X 25 | 2 |
Z10-2-20 Alternator
| 02***39 | Alternator | 1 |
Z10-1-10 Starter Motor
| 02***45 | Motor, Starter | 1 |
Z10-1-20 Starter Motor
| 02***38 | Motor, Starter | 1 |
Z60-5-1 Chassis
| 33***09 | Clamp | 3 |
| 33***10 | Silencer, Exhaust | 1 |
| 33***11 | Forklift, Pocket | 2 |
Z60-2-1 Chassis
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
Z60-6-1 Chassis
| 33***09 | Clamp | 3 |
| 33***14 | Frame, Canopy Support, Lower | 1 |
| 33***17 | Silencer, Exhaust | 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 |
Z60-1-10 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 |
Z60-1-1 Chassis
| 33***01 | Clamp | 3 |
| 33***02 | Pipe, End Silencer | 1 |
| 33***03 | Silencer, Exhaust | 1 |
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 |
Z61-4-1 Canopy
| 33***51 | Cover | 1 |
| 33***53 | Dowel, Location | 2 |
| 33***60 | Grommet | 2 |
Z62-5-1 Generator Alternator, Bci184f
| 32***07 | Kit, Rectifier | 1 |
| 32***08 | Regulator, A.V.R Sx460 | 1 |
| 32***80 | Alternator, Assembly | 1 |
Z62-3-1 Generator Alternator, Bci164d
| 32***06 | Alternator | 1 |
| 32***07 | Kit, Rectifier | 1 |
| 32***08 | Regulator, A.V.R Sx460 | 1 |
Z62-4-1 Generator Alternator, Bci184e
| 32***07 | Kit, Rectifier | 1 |
| 32***08 | Regulator, A.V.R Sx460 | 1 |
| 32***38 | Alternator | 1 |
Z62-2-1 Generator Alternator, Bci164c
| 32***07 | Kit, Rectifier | 1 |
| 32***08 | Regulator, A.V.R Sx460 | 1 |
| 33***24 | Bearing, Nde | 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 |
Z62-6-1 Generator Alternator, Bci184g
| 32***07 | Kit, Rectifier | 1 |
| 32***08 | Regulator, A.V.R Sx460 | 1 |
| 32***44 | Alternator | 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 : G17qx(Jcb Generator) : Z Jcb Generator Set : Z64 Generator Ac Power
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 |
Z66-9-1 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 |
Z66-6-1 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 |
Z66-5-1 Cables, & Isolator
| 33***29 | Kit, Battery Isolator, 1103 | 1 |
| 33***38 | Battery, Cables, Yanmar 4tnv88/84t | 1 |
| 33***45 | Battery, Cables | 1 |
Z66-1-1 Cables, & Isolator
| 33***29 | Kit, Battery Isolator, 1103 | 1 |
| 33***34 | Battery, Cables, Yanmar 3tnv | 1 |
Z66-7-1 Cables, & Isolator
| 33***29 | Kit, Battery Isolator, 1103 | 1 |
| 33***38 | Battery, Cables, Yanmar 4tnv88/84t | 1 |
Z66-4-1 Cables
| 33***38 | Battery, Cables, Yanmar 4tnv88/84t | 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 |
Z66-10-1 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 |
Z66-3-1 Cables, & Isolator
| 33***29 | Kit, Battery Isolator, 1103 | 1 |
| 33***36 | Battery, Cables, Yanmar 4tnv88/84t/98 | 1 |
Z66-2-1 Cables
| 33***40 | Battery, Cables, Yanmar 3tnv76/88 | 1 |
G17QX(JCB GENERATOR) serial number reference
Locate the machine identification plate on the generator set frame. Verify the serial number falls within the 01650000 to 01699999 range to confirm applicability for the G17QX model. Confirm the specific engine and frequency configuration (50Hz/60Hz) with a JCB dealer or via the JCB Service Pro lookup.
| Prefix | Identifies | Notes |
|---|---|---|
| 01650000-01699999 | Applicability for JCB G17QX generator sets (Yanmar engine family, 50Hz and 60Hz variants). | Serial range covers the G17QX model within the 'Generators 8 to 45 Range Yanmar' category. The G17QX is listed alongside G17X, G13QX, and G13X for both 50Hz (code the OEM part reference) and 60Hz (code the OEM part reference) configurations. Note: This serial range is shared across the entire G8X through G45X Yanmar generator family; verify specific engine and alternator codes with a dealer. |
Frequently asked questions
What engine does the JCB G17QX use?
The JCB G17QX uses a Yanmar liquid-cooled diesel engine.
What is the operating weight of the JCB G17QX?
The operating weight of the JCB G17QX is 765 kg.
What model replaced the JCB G17QX?
The G20QS is listed as a successor in the power range, though specific replacement lineage varies by configuration.
What G17QX(JCB GENERATOR) owners discuss
What engine family is used in the JCB G17QX generator, and what are the common starting or power loss issues reported for this generation?
The JCB G17QX generator utilizes the JCB 444 engine series, available in Tier 2, Tier 3, and Tier 4 configurations. Common issues include hard starting in cold weather due to failed glow plugs or glow plug relays, and low power output caused by fuel system faults or clogged filters. Unusual rhythmic knocking under load indicates serious internal engine damage requiring immediate attention.
What are the typical electrical or sensor-related faults for the JCB G17QX power system?
Diagnostic trouble codes frequently point to rail pressure control system failures, injector drift faults, and sensor issues for intake pressure, temperature, fuel, and oil temperature. Turbocharger overboost faults and MAF (Mass Air Flow) sensor high/low voltage faults are also common. These errors often trigger torque reduction modes.
What wear patterns or hydraulic behaviors are typical for JCB power systems of this era?
Operators report that hydraulic performance can degrade when the machine is positioned with the rear end lower than the front (e.g., in a hole), causing slow or non-responsive hydraulics due to oil starvation at the pump inlet. This behavior normalizes on level ground or when the rear is elevated. Undercarriage and transmission wear are also monitored, with solenoid and microswitch failures noted in similar JCB powertrain architectures.
What is the serial number range for the JCB G17QX generator in the PartsPlus+ catalog?
The JCB G17QX generator is listed in the JCB PartsPlus+ catalog with serial numbers ranging from the OEM part reference to the OEM part reference. This range applies to the OEM part reference and the OEM part reference configuration codes.
What specific components should be checked when buying a used JCB G17QX generator?
Verify the engine data plate to confirm the specific JCB 444 variant (Tier 2, 3, or 4). Check the glow plug system for cold-start reliability. Inspect the fuel filtration system (3-stage filtration is noted in similar QX range models) for contamination. Test the IoT-enabled live data monitoring system (JCB LiveLink) for historical fault codes and performance tracking. Ensure the canopy and powder-coated enclosure are intact to protect internal components.
How does the JCB G17QX handle load changes, and what is its block loading capacity?
The QX range generators are engineered for 100% block loading capacity, allowing them to handle sudden full load applications without significant voltage or frequency drop. This ensures seamless operation under heavy loads, a key feature for critical power applications.
What safety-critical fix is associated with the JCB G17QX power system?
Ensure the 3-stage fuel filtration system is maintained to prevent water ingress and injector damage. Verify the integrity of the exhaust and canopy ventilation to prevent carbon monoxide buildup in enclosed spaces. Have your dealer verify the ECM software flash status and diagnostic tool compatibility to ensure accurate fault code interpretation and proper shutdown procedures.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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