JCBconstructionjcb gensets
Jcb G66QX
Maintenance schedule, common problems & OEM parts breakdown
The JCB G66QX is a diesel-powered generator set manufactured by JCB. It belongs to the G-series family of mobile power units, designed for industrial and construction applications requiring reliable electrical output. The machine is powered by a JCB diesel engine, typically a 4-cylinder or 6-cylinder unit depending on the specific sub-model within the G66 range. Production years for this specific configuration span the mid-2000s to the early 2010s, with the operator's manual dated May 2008 (Part No. EN – OEM part reference). The G66QX is part of a lineage that includes the G50R, G80R, G55X, G66X, G88X, G110X, and G120X models. Configurations offered include standard and quiet (QX) enclosures, with variations in alternator type and control panel integration.
Across the G-series generation, JCB shifted from mechanical governors to electronic engine management systems to meet evolving emissions standards and improve fuel efficiency. The QX designation indicates a sound-attenuated enclosure, distinguishing it from the open-frame X-series. The G66QX remains relevant in the used market due to its robust JCB engine architecture and the availability of common service parts. Its modular design allows for straightforward engine removal and alternator servicing, making it a cost-effective option for rental fleets and emergency power providers. The machine's value lies in its durability and the extensive aftermarket support for its powertrain components.
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 G66QX specifications
Engine
| Model | Not documented for G66QX specifically; manual covers G50R, G80R, G55X, G55QX, G66X, G66QX, G88X, G88QX, G110X, G110QX, G120X, G120QX GENERATOR SET |
| Gross/Net Power | Not documented in source text |
| Displacement | Not documented in source text |
| Cylinders | Not documented in source text |
| Emissions Tier | Not documented in source text |
Weights
| Operating Weight | Not documented in source text |
| Shipping Weight | Not documented in source text |
| Ground Pressure | Not documented in source text |
Dimensions
| Transport Length | Not documented in source text |
| Transport Width | Not documented in source text |
| Transport Height | Not documented in source text |
| Wheelbase/Track Gauge | Not documented in source text |
| Ground Clearance | Not documented in source text |
Performance
| Travel Speed | Not documented in source text |
| Lift/Dig/Dump/Drawbar | Not documented in source text |
| Gradeability | Not documented in source text |
Service capacities (summary)
| Fuel Tank | Not documented in source text |
| Hydraulic System | Not documented in source text |
| Engine Oil | Not documented in source text |
| Cooling System | Not documented in source text |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
Jcb G66QX maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the G66QX beyond the schedule
Predictive Maintenance & Fluid Analysis
Monitor engine oil pressure and coolant temperature gauges daily. Sample engine oil every 250 hours to check for fuel dilution or coolant ingress. Analyze hydraulic oil for viscosity changes and particle count at 500-hour intervals. Inspect the alternator brush wear and slip ring condition every 1,000 hours. Check battery specific gravity and terminal tightness monthly. Use JCB-approved coolant specifications to prevent corrosion in the aluminum heat exchanger.
Corrective & Common Repairs
Replace the fuel filter element if the water-in-fuel indicator activates or every 250 hours. Inspect drive belts for glazing and replace if cracked. Tighten alternator mounting bolts if vibration noise occurs. Replace the hydraulic return filter element if pressure differential indicators show red. Check the engine air filter restriction indicator; replace if blocked. Inspect fuel lines for chafing against the chassis and replace if cracked.
Overhaul & Rebuild Points
Inspect valve clearances every 1,000 hours and adjust if out of specification. Check turbocharger shaft play and axial movement at 2,000 hours. Replace the coolant every 2,000 hours to maintain inhibitor levels. Inspect the engine block for cracks around the cylinder head bolts. Check the alternator bearings for noise and replace if rough. Rebuild the fuel injection pump if black smoke persists after filter replacement.
Seasonal & Environment Servicing
In cold weather, check the coolant freeze protection point before winter. Drain the fuel tank sediment bowl daily in humid conditions. Clean the radiator fins and oil cooler core monthly in dusty environments. Use lower viscosity engine oil in extreme cold starts. Inspect the enclosure seals and replace if damaged to prevent moisture ingress. Check the battery heater operation if equipped for cold climates.
G66QX common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 320/04114 | Retainer, Fuel Filter | Fuel system service | Check fitment → |
| 320/07155 | Filter, Fuel - 5 Micron, Self Colour Can | Fuel system service | Check fitment → |
| 32/925694 | Element, Fuel Filter | Fuel system service | Check fitment → |
| 32/925705 | Element, Fuel Sediment/Water, 150 Microns | Fuel system service | Check fitment → |
| 320/07141 | Pipe, Fuel Filter To Pump | Fuel system service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
G66QX fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| P0087 | Fuel Rail Pressure Too Low | Fuel supply restriction, failing lift pump, or leaking injector seals. | Check fuel filter condition and fuel line integrity; verify lift pump operation. |
| P0117 | Engine Coolant Temperature Sensor Circuit Low Voltage | Faulty coolant temperature sensor, shorted wiring harness, or poor connector contact. | Inspect sensor wiring for damage; check connector pins for corrosion or looseness. |
| P0521 | Engine Oil Pressure Sensor Range/Performance Issue | Faulty oil pressure sensor, low oil level, or sensor circuit malfunction. | Verify oil level; check sensor electrical connections and signal output. |
| P2047 | Reductant Injector Circuit Open (SCR System) | Open circuit in the DEF/AdBlue injector wiring or faulty injector solenoid. | Inspect injector wiring harness for breaks; test injector resistance. |
| U0100 | Lost Communication with Engine Control Module | CAN bus network fault, loose diagnostic connector, or ECU power/ground issue. | Check battery voltage and ground straps; inspect CAN bus wiring for damage. |
| F01 | Engine ECU Failure | ECU internal fault, power supply loss, or severe communication error. | Check ECU power and ground connections; verify with diagnostic tool. |
| E420 | Low Hydraulic Pressure | Low hydraulic oil level, pump wear, or relief valve malfunction. | Check hydraulic oil level; inspect for external leaks and pump operation. |
| E512 | Low Battery Voltage | Weak battery, failing alternator, or loose battery terminals. | Test battery charge and alternator output; tighten terminal connections. |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
G66QX attachments & work tools
Generator Sets
The G66QX is classified as a JCB Generator set with serial range the OEM part reference-the OEM part reference and engine code the OEM part reference. Factory documentation lists the G66QX alongside the G66X and G90QX within the 65 to 140 kW power range. The machine is available in Open, Canopy, and Container configurations.
Earth Drills / Augers
JCB earth drills are designed for fencing, pole erection, and planting, coming complete with a hanger bracket and connection hoses. The use of a quickhitch allows for fast changeover of these attachments to minimize downtime.
Hydraulic Breakers
JCB offers an OEM breaker range designed to work in harmony with excavator and breaker carrier machines. These breakers are engineered to integrate with the base machine's hydraulic system for optimal performance.
Buckets
Excavator buckets are available in Deep Profile, Ditch Maintenance, Grading, Heavy Duty, Jaw, Ribbed, Tapered Ditching, and Tilting Grading variants. These buckets are designed to improve productivity, digging efficiency, material retention, and clean release.
Shovels
A wide range of shovels is offered to suit specific machine applications and job site conditions. These attachments are designed to maximize the performance of the carrier machine.
Quickhitches and Carriages
Quickhitches and carriages are available to facilitate the attachment of various work tools. These systems allow for rapid tool changeover, enhancing machine versatility on the job site.
Forks and Fork Frames
Forks and fork frames are available for material handling applications. These attachments allow the base machine to perform lifting and transport tasks in addition to standard excavation or loading work.
Grabs and Grapples
Grabs and grapples are offered for material processing and handling tasks. These attachments are designed to handle bulk materials, debris, or specific loads efficiently.
Sweeper Collectors
Sweeper collectors are available as specialist attachments for cleaning and maintenance applications. These tools allow the machine to perform street or site sweeping operations.
Ripper Tooth
Ripper teeth are available for breaking up hard ground or compacted materials. These attachments are designed to be mounted to the carrier machine for heavy-duty digging or preparation work.
Lifting Equipment
Specialized lifting equipment is offered to extend the machine's capabilities for hoisting and rigging tasks. These attachments are designed to work within the machine's rated capacity for safe operation.
Patch Planers
Patch planers are available for road maintenance and surface preparation. These attachments allow the machine to remove damaged pavement or prepare surfaces for repair work.
All G66QX assemblies by section
Every catalogued assembly group for the Jcb G66QX. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Z Electrical Power Generation, Unit
Z1-99-2 Engine 320/50107, Dressed Generator, 74kw - 12volt
| 32***60 | G.A, Power Take-Off Blanking Plate, Sae | 1 |
| 32***20 | Fan, Idler Bracket, No Aircon 1.16+1.25 | 1 |
| 32***23 | G.A, Engine Dipstick | 1 |
Z1-2-1 Engine 320/40106, Complete, Nat/Aspirated 74kw
| 32***06 | Engine, Assembly 74kw 12v, Tc, Euro 2 11.5" F/W | 1 |
Z1-99-1 Engine 320/50106, Dressed Generator, 47kw - 12volt
| 32***60 | G.A, Power Take-Off Blanking Plate, Sae | 1 |
| 32***20 | Fan, Idler Bracket, No Aircon 1.16+1.25 | 1 |
| 32***23 | G.A, Engine Dipstick | 1 |
Z1-1-1 Engine 320/40105, Complete, Nat/Aspirated 47kw
| 32***05 | Engine, Assembly 47kw 12volt, N/A 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 |
Z4-5-1 Gasket Set, Top Overhaul, Tc
| 32***08 | Gasket, Cylinder Head | 1 |
| 32***33 | Seal, Valve Stem | 16 |
| 32***40 | O Ring | 2 |
Z4-4-1 Seal Kit, Oil Pan
| 32***30 | Sealant, 5900 | 1 |
| 32***50 | O Ring | 2 |
| 32***62 | Seal, Oil-Pick-Up | 1 |
Z4-1-1 Seal Kit, Rocker Cover
| 32***92 | O Ring, Oil Filler Cap | 1 |
| 32***87 | Cap, Fuel Injector | 4 |
| 32***88 | Cap, Fuel Pipe | 8 |
Z4-2-1 Gasket Set, Top Overhaul
| 32***08 | Gasket, Cylinder Head | 1 |
| 32***33 | Seal, Valve Stem | 16 |
| 32***40 | O Ring | 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 |
Z5-5-3 Kit-Engine Overhaul, Oversize - 1.00mm
| 32***40 | Bolt, Con-Rod, M8 X 57 | 8 |
| 32***16 | Kit-Top Gasket, Naturally Aspirated | 1 |
| 32***37 | Kit-Piston, Oversize - 1.0mm, Naturally Aspirated | 4 |
Z5-5-1 Kit-Engine Overhaul, Standard
| 32***40 | Bolt, Con-Rod, M8 X 57 | 8 |
| 32***10 | Kit-Piston, Standard, Naturally Aspirated | 4 |
| 32***16 | Kit-Top Gasket, Naturally Aspirated | 1 |
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 |
Z5-1-1 Engine, Short, 320/40059
| 32***29 | Seal, Rear Oil | 1 |
| 32***19 | Seal, Front Oil | 1 |
| 32***16 | Kit-Top Gasket, Naturally Aspirated | 1 |
Z5-5-2 Kit-Engine Overhaul, Oversize - 0.50mm
| 32***40 | Bolt, Con-Rod, M8 X 57 | 8 |
| 32***16 | Kit-Top Gasket, Naturally Aspirated | 1 |
| 32***36 | Kit-Piston, Oversize - 0.50mm, Naturally Aspirated | 4 |
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 |
Z5-6-2 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 |
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 |
Z5-3-1 Engine, Long, 320/40061
| 32***32 | Gear, Crankshaft, Assembly | 1 |
| 32***42 | Kit-Gasket, Long Engine, Nat/Asp | 1 |
| 32***05 | Camshaft, Assembly | 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 |
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 |
Z6-1-1 Fuel Filter
| 13***5Z | Bolt, Flange Head, M8 X 20 Lg | 1 |
| 21***07 | Pin, Tension | 1 |
| 32***14 | Retainer, Fuel Filter | 1 |
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 |
Z6-4-1 Primary Fuel Filter, Element, Cold Climate
| 32***05 | Element, Fuel Sediment/Water, 150 Microns | 1 |
| 32***33 | Seal, O'Ring | 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 |
Z8-1-1 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 |
Z8-12-3 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 |
Z8-2-1 Autotensioner, Drive Belt
| 13***8Z | Screw, Star Drive, M8 X 30 | 3 |
| 32***84 | Adjuster, Auto-Tension | 1 |
| 32***46 | Adjuster, Autotensioner | 1 |
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 |
Z12-3-1 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 |
Z12-2-1 Fuel Pipework, Low Pressure
| 32***39 | Bolt, Banjo M12 | 2 |
| 32***71 | G.A, Ga Fuel Pipes(Hp/Lp), Genset | 0 |
| 32***33 | Ring, Snap | 1 |
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
| 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 |
Z15-50-1 Injection Pump, Service Parts
| 32***74 | Kit-Regulator | 1 |
| 32***75 | Kit-Timing Window | 1 |
| 32***76 | Kit-Plug | 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 |
Z15-1-1 Fuel Injection Pump, 12v - 47kw
| 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 |
Z19-11-1 Cover, Injector Seal
| 32***16 | Cover, Injector Seal | 1 |
| 32***17 | Insert, Injector Seal Cover | 4 |
| 32***21 | G.A, Cover.Injector Seal | 1 |
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 |
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 |
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 |
Z25-1-1 Induction Manifold
| 13***7Z | Screw, Star Drive, M8 X 25 | 10 |
| 32***11 | Plate, Blanking, Intake Heater | 1 |
| 32***12 | Gasket, Intake Heater | 1 |
Z25-4-1 Induction Manifold, Tc
| 13***7Z | Screw, Star Drive, M8 X 25 | 10 |
| 32***11 | Plate, Blanking, Intake Heater | 1 |
| 32***12 | Gasket, Intake Heater | 1 |
Z26-1-1 Exhaust Manifold
| 32***04 | Gasket, Exhaust Manifold | 1 |
| 32***20 | Manifold, Exhaust | 1 |
| 32***45 | Bolt, M10 X 57 | 8 |
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 |
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 |
Z35-1-1 Camshaft, & Idler Gear
| 32***29 | Camshaft, Assembly, Na | 1 |
| 32***15 | Hub, Idler Gear | 1 |
| 32***17 | Bolt, Pan Head, M10 X 60mm | 3 |
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 |
Z37-1-1 Piston & Con-Rod, Assemblies
| 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 |
Z39-1-1 Cylinder Block, Assembly
| 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 |
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 |
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 |
Z43-1-1 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, Naturally Aspirated
| 16***74 | Adapter, Vacuum Sensor | 1 |
| 22***13 | Clip, Jubilee; Replaces Khj0336 | 1 |
| 22***15 | 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 |
Z45-1-1 Exhaust Silencer, Open Build, Nat/Aspirated
| 02***16 | Nut | 4 |
| 32***06 | Gasket | 1 |
| 32***70 | Pipe, Exhaust Stub | 1 |
Z45-12-1 Exhaust System, Canopy Build, Turbo
| 02***35 | Nut, Anti-Seize | 3 |
| 13***8Z | Bolt, M10 X 30, Flange Reduced Hex | 4 |
| 14***04 | Screw, Self Tapping | 1 |
Z45-3-1 Silencer Mounting
| 13***8Z | Bolt, M10 X 30, Flange Reduced Hex | 4 |
| 13***9Z | Bolt, M10 X 35, Flanged Hex | 2 |
| 13***3Z | Nut, Lock, M10 | 2 |
Z45-11-1 Exhaust System, Canopy Build, Nat/Aspirated
| 02***16 | Nut | 4 |
| 13***8Z | Bolt, M10 X 30, Flange Reduced Hex | 4 |
| 14***04 | Screw, Self Tapping | 1 |
Z45-4-1 Exhaust Bellows, Stainless Steel
| 32***09 | G.A, Stainless Stl Bellow | 1 |
| 33***68 | Tube, Flexible Exhaust | 1 |
| 82***64 | Clamp, Exhaust D=79 | 2 |
Z45-2-1 Exhaust Silencer, Open Build, Turbo
| 02***35 | Nut, Anti-Seize | 3 |
| 32***36 | Gasket, Turbo Outlet | 1 |
| 32***13 | G.A., Exhaust System Tc | 1 |
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 |
Z46-11-1 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 |
Z47-1-1 Radiator Assembly
| 32***17 | G.A., Cooling Pack - Na, Canopy | 1 |
| 33***38 | Radiator | 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 |
Z49-1-1 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 |
Z50-11-1 3-Way Ball Valve
| 13***1Z | Screw | 4 |
| 13***3Z | Nut | 4 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 4 |
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 |
Z50-4-1 Fuel Pipes, Fuel Tank To Filter, Low Level Fuel
| 22***03 | Clip, Jubilee | 6 |
| 32***62 | G.A, Fuel Sys-3 Way-Low, Level Fuel | 1 |
| 33***08 | Harness, Fuel Sender Link | 1 |
Z50-2-1 Fuel Pipes, Fuel Tank To Filter, 3 Way Fuel Valve
| 22***03 | Clip, Jubilee | 6 |
| 32***74 | G.A, Fuel System 3 Way | 1 |
| 33***35 | Label, Return | 3 |
Z50-3-1 Fuel Pipes, Fuel Tank To Filter, Low Level Fuel
| 22***03 | Clip, Jubilee | 2 |
| 32***61 | G.A, Fuel System-Lowlevel | 1 |
| 33***08 | Harness, Fuel Sender Link | 1 |
Z50-1-1 Fuel Pipes, Fuel Tank To Filter
| 22***03 | Clip, Jubilee | 2 |
| 32***33 | G.A, Fuel System, Canopy/Open | 1 |
| 33***29 | Hose, Fuel Diesel 950mm | 1 |
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 |
Z60-5-1 Lifting Frame, (Optional)
| 13***1Z | Bolt Flanged Hex M16 | 8 |
| 13***1Z | Nut, M30, Standard Hexagon | 1 |
| 32***30 | G.A, Lifting Frame | 1 |
Z60-11-2 Fuel Tank
| 14***18 | Seal, Bonded, 1/2" Bsp | 3 |
| 32***04 | Tank, Diesel Fuel Abi | 1 |
| 32***46 | G.A, Fuel System Open/Can | 1 |
Z60-11-1 Fuel Tank
| 12***08 | G.A., Fuel Tank | 1 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 3 |
| 32***33 | G.A, Fuel System, Canopy/Open | 1 |
Z60-6-1 Base Fork Guides
| 13***1Z | Bolt Flanged Hex M16 | 12 |
| 13***3Z | Nut, M16 | 8 |
| 14***1Z | Washer, M16 Plain | 8 |
Z60-12-2 Fuel Tank, Low Level Fuel
| 14***18 | Seal, Bonded, 1/2" Bsp | 3 |
| 32***05 | Tank, Diesel Fuel, Low Level Abi | 1 |
| 32***48 | G.A, Fuel Sys-Low Level | 1 |
Z60-2-1 Base & Fittings, Open Build
| 13***8Z | Bolt, Flange Head, M12 X 30 | 4 |
| 32***31 | G.A, Base Frame, Open | 1 |
| 33***77 | Bracket, Mounting, Control Box | 1 |
Z60-12-1 Fuel Tank, Low Level Fuel
| 14***18 | Seal, Bonded, 1/2" Bsp | 3 |
| 32***61 | G.A, Fuel System-Lowlevel | 1 |
| 33***94 | Connector, Fuel | 1 |
Z60-3-1 Base & Fittings, Canopy Build (Mk2)
| 13***5Z | Bolt, M6 X 20, Reduced Flange Hex | 2 |
| 13***5Z | Bolt, Flange Head, M8 X 20 Lg | 4 |
| 13***8Z | Bolt, Flange Head, M12 X 30 | 4 |
Z60-1-1 Base & Fittings, Canopy Build
| 13***5Z | Bolt, M6 X 20, Reduced Flange Hex | 2 |
| 13***5Z | Bolt, Flange Head, M8 X 20 Lg | 2 |
| 13***5Z | Bolt, M10 X 20, Flange Reduced Hex | 2 |
Z61-4-2 Panel - Front
| 13***7Z | Bolt, M8 X 25, Flange Reduced Hex | 4 |
| 32***59 | G.A, Panel- Front, Steel | 1 |
| 33***25 | Panel, Front End | 1 |
Z61-15-2 Panel - Vent, Left Hand, (Mk2)
| 13***0Z | Setscrew, M5x10mm | 1 |
| 13***5Z | Bolt, M6 X 20, Reduced Flange Hex | 2 |
| 13***3Z | Bolt, M8 X 16, Flange Reduced Hex | 10 |
Z61-12-1 Panel - Side, Left Hand
| 13***3Z | Bolt, M6 X 16, Flange Reduced Hex | 4 |
| 13***5Z | Bolt, Flange Head, M8 X 20 Lg | 4 |
| 13***3Z | Nut, Self Lock, M6 | 4 |
Z61-6-1 Panel - Front, Csp1
| 13***0Z | Setscrew, M5x10mm | 4 |
| 13***7Z | Bolt, M8 X 25, Flange Reduced Hex | 12 |
| 13***9Z | Bolt, M8 X 35, Flange Reduced Hex | 4 |
Z61-8-2 Door - Side, Right Hand, (Mk2)
| 13***0Z | Setscrew, M5x10mm | 1 |
| 13***1Z | Nut | 4 |
| 13***8Z | Nut, Flange Head, M8 | 8 |
Z61-5-1 Panel - Rear
| 13***0Z | Setscrew, M5x10mm | 3 |
| 13***7Z | Bolt, M8 X 25, Flange Reduced Hex | 14 |
| 13***9Z | Bolt, M8 X 35, Flange Reduced Hex | 4 |
Z61-9-2 Door - Side, Left Hand, (Mk2)
| 13***0Z | Setscrew, M5x10mm | 1 |
| 13***1Z | Nut | 4 |
| 14***6Z | Washer, M6 | 4 |
Z61-4-1 Panel - Front
| 13***0Z | Setscrew, M5x10mm | 3 |
| 13***7Z | Bolt, M8 X 25, Flange Reduced Hex | 8 |
| 13***9Z | Bolt, M8 X 35, Flange Reduced Hex | 4 |
Z61-7-2 Roof Assembly, Mk2
| 13***0Z | Setscrew, M5x10mm | 1 |
| 13***5Z | Bolt, Flange Head, M8 X 20 Lg | 14 |
| 32***15 | G.A, Roof (Mk2) | 1 |
Z61-6-2 Panel - Front, Csp2
| 13***0Z | Setscrew, M5x10mm | 4 |
| 13***7Z | Bolt, M8 X 25, Flange Reduced Hex | 12 |
| 13***9Z | Bolt, M8 X 35, Flange Reduced Hex | 4 |
Z61-11-2 Panel - Side, Right Hand, (Mk2)
| 13***0Z | Setscrew, M5x10mm | 2 |
| 13***3Z | Bolt, M6 X 16, Flange Reduced Hex | 4 |
| 13***5Z | Bolt, Flange Head, M8 X 20 Lg | 4 |
Z61-11-1 Panel - Side, Right Hand
| 13***3Z | Bolt, M6 X 16, Flange Reduced Hex | 4 |
| 13***5Z | Bolt, Flange Head, M8 X 20 Lg | 4 |
| 13***3Z | Nut, Self Lock, M6 | 4 |
Z61-17-1 Canopy Sealing
| 32***39 | G.A, Canopy Sealing | 1 |
| 33***37 | Seal, Bottom | 2 |
| 33***51 | Seal, Side Door | 2 |
Z61-3-1 Door - Rear
| 12***55 | Handle | 2 |
| 13***5Z | Bolt, Hex Flange Head, M5 X 20 | 2 |
| 13***5Z | Bolt, M6 X 20, Reduced Flange Hex | 1 |
Z61-5-2 Panel - Rear
| 13***7Z | Bolt, M8 X 25, Flange Reduced Hex | 4 |
| 32***14 | Screw, Pan Head, M8 X 25 | 2 |
| 32***61 | G.A, Panel - Rear, Steel | 1 |
Z61-10-2 Panel - Centre, Right Hand, (Mk2)
| 13***0Z | Setscrew, M5x10mm | 1 |
| 13***5Z | Bolt, Flange Head, M8 X 20 Lg | 4 |
| 21***06 | Pin, Split; Replaces Lmc0060 | 1 |
Z61-12-2 Panel - Side, Left Hand, (Mk2)
| 13***0Z | Setscrew, M5x10mm | 2 |
| 13***3Z | Bolt, M6 X 16, Flange Reduced Hex | 4 |
| 13***5Z | Bolt, Flange Head, M8 X 20 Lg | 4 |
Z61-8-1 Door - Side, Right Hand
| 13***1Z | Nut | 4 |
| 13***8Z | Nut, Flange Head, M8 | 8 |
| 14***6Z | Washer, M6 | 4 |
Z61-1-2 Canopy Assembly, Mk2
| 32***00 | G.A, Door - Front, Canopy | 1 |
| 32***02 | G.A, Door - Rear, Canopy | 1 |
| 32***16 | G.A., Emergency Stop Sw, Canopy | 1 |
Z61-6-3 Panel - Front, Csp3
| 13***0Z | Setscrew, M5x10mm | 4 |
| 13***7Z | Bolt, M8 X 25, Flange Reduced Hex | 12 |
| 13***9Z | Bolt, M8 X 35, Flange Reduced Hex | 4 |
Z61-16-2 Canopy Insulation, (Mk2)
| 32***16 | G.A, Tca Canopy Insulatio | 1 |
| 33***87 | Panel, Insulation, Bulkhead | 1 |
| 33***18 | Panel, Insulation, Radiator End Inner | 2 |
Z61-13-2 Bulkhead, (Mk2)
| 13***0Z | Setscrew, M5x10mm | 1 |
| 13***5Z | Bolt, Flange Head, M8 X 20 Lg | 6 |
| 14***09 | Washer, M12, Plain | 2 |
Z61-14-2 Panel - Vent, Right Hand, (Mk2)
| 13***0Z | Setscrew, M5x10mm | 2 |
| 13***5Z | Bolt, M6 X 20, Reduced Flange Hex | 7 |
| 13***3Z | Bolt, M8 X 16, Flange Reduced Hex | 6 |
Z61-9-1 Door - Side, Left Hand
| 13***1Z | Nut | 4 |
| 13***8Z | Nut, Flange Head, M8 | 8 |
| 14***6Z | Washer, M6 | 4 |
Z61-16-1 Canopy Insulation
| 32***14 | G.A, Sealing - Cover/D, Canopy | 1 |
| 33***17 | Panel, Insulation, Radiator End Outer | 2 |
| 33***18 | Panel, Insulation, Radiator End Inner | 2 |
Z61-15-1 Panel - Vent, Left Hand
| 13***5Z | Bolt, M6 X 20, Reduced Flange Hex | 2 |
| 13***3Z | Bolt, M8 X 16, Flange Reduced Hex | 10 |
| 13***5Z | Bolt, Flange Head, M8 X 20 Lg | 5 |
Z61-10-1 Panel - Centre
| 13***5Z | Bolt, Flange Head, M8 X 20 Lg | 8 |
| 32***08 | G.A., Centre Panel, Canopy | 1 |
| 33***40 | Panel, Centre | 1 |
Z61-14-1 Panel - Vent, Right Hand
| 13***5Z | Bolt, M6 X 20, Reduced Flange Hex | 7 |
| 13***3Z | Bolt, M8 X 16, Flange Reduced Hex | 6 |
| 13***5Z | Bolt, Flange Head, M8 X 20 Lg | 5 |
Z61-7-1 Roof Assembly
| 13***7Z | Bolt, M6 X 25, Flange Head | 4 |
| 13***5Z | Bolt, Flange Head, M8 X 20 Lg | 17 |
| 13***3Z | Nut, Self Lock, M6 | 4 |
Z61-10-3 Panel - Centre, Left Hand, (Mk2)
| 13***0Z | Setscrew, M5x10mm | 1 |
| 13***5Z | Bolt, Flange Head, M8 X 20 Lg | 4 |
| 21***06 | Pin, Split; Replaces Lmc0060 | 1 |
Z61-13-1 Bulkhead
| 13***5Z | Bolt, Flange Head, M8 X 20 Lg | 12 |
| 32***11 | G.A., Bulkhead - Radiator, Canopy | 1 |
| 33***73 | Bulkhead | 1 |
Z61-2-1 Door - Front
| 13***5Z | Bolt, Hex Flange Head, M5 X 20 | 4 |
| 13***5Z | Bolt, Flange Head, M8 X 20 Lg | 6 |
| 13***3Z | Nut | 2 |
Z61-1-1 Canopy Assembly
| 32***00 | G.A, Door - Front, Canopy | 1 |
| 32***02 | G.A, Door - Rear, Canopy | 1 |
| 32***05 | G.A, Roof | 1 |
Z62-2-1 Alternator, Uci 224e-16
| 13***8Z | Bolt, M10 X 30, Flange Reduced Hex | 8 |
| 13***0Z | Bolt, M10 X 40 Flanged Hex Head | 4 |
| 14***3Z | Washer | 8 |
Z62-1-1 Alternator, Uci 224d-16, No Heater
| 13***8Z | Bolt, M10 X 30, Flange Reduced Hex | 8 |
| 13***0Z | Bolt, M10 X 40 Flanged Hex Head | 4 |
| 14***3Z | Washer | 8 |
Z62-1-10 Alternator, Single Phase, Pmg, No Heater
| 13***8Z | Bolt, M10 X 30, Flange Reduced Hex | 8 |
| 13***0Z | Bolt, M10 X 40 Flanged Hex Head | 4 |
| 14***3Z | Washer | 8 |
Z62-3-1 Alternator, Uci 224g-16
| 13***8Z | Bolt, M10 X 30, Flange Reduced Hex | 8 |
| 13***0Z | Bolt, M10 X 40 Flanged Hex Head | 4 |
| 14***3Z | Washer | 8 |
Z62-20-1 Heater, Alternator, 220v
Z62-1-20 Alternator, 3 Phase, Pmg, No Heater
| 13***8Z | Bolt, M10 X 30, Flange Reduced Hex | 8 |
| 13***0Z | Bolt, M10 X 40 Flanged Hex Head | 4 |
| 14***3Z | Washer | 8 |
Z62-30-1 Heater, Alternator, 110v
Z63-1-1 Stop Switch, Emergency
| 32***16 | G.A., Emergency Stop Sw, Canopy | 1 |
| 33***10 | Actuator, Emergency Stop | 1 |
| 33***11 | Block, Nc Contact | 2 |
Z63-2-1 Stop Plug, Emergency
| 32***82 | G.A, Plug-Emergency Stop | 1 |
| 33***03 | Plug, Emergency Stop | 1 |
Z65-11-3 Sender, Oil Pressure
| 14***08 | Seal, Washer | 2 |
| 32***80 | G.A, Oil Pressure Sender | 1 |
| 33***79 | Adapter, Oil Pressure Sender | 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 |
Z65-2-1 Battery Installation, With Isolator Switch
| 13***3Z | Bolt, M6 X 16, Flange Reduced Hex | 2 |
| 13***7Z | Bolt, M6 X 25, Flange Head | 2 |
| 13***5Z | Bolt, Flange Head, M8 X 20 Lg | 4 |
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 |
Z65-1-1 Battery Installation
| 13***5Z | Bolt, Flange Head, M8 X 20 Lg | 4 |
| 13***3Z | Nut | 2 |
| 13***3Z | Nut, Self Lock, M6 | 2 |
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 |
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 |
Z66-1-1 Earth Continuity, Installation
| 13***0Z | Setscrew, M5x10mm | 10 |
| 13***7Z | Bolt | 6 |
| 32***18 | G.A, Earth Continuity, Installation | 1 |
Z67-1-1 Tool Kit
| 12***44 | Strap | 1 |
| 14***5Z | Washer, M5; Replaces 69***59 | 1 |
| 32***63 | Kit-Tool | 1 |
Z68-1-1 Decals & Handbooks
| 32***33 | G.A, Decals - G55q | 1 |
| 32***34 | G.A, Decals - G63q | 1 |
| 32***35 | G.A, Decals - G88q | 1 |
Z68-2-1 Decals G55qx
| 32***33 | G.A, Decals - G55q | 1 |
| 33***74 | Decal, Multi-Sheet | 1 |
| 33***80 | Decal, G55qx | 1 |
Z68-5-1 Decals G55x
| 32***63 | G.A, Decals - G55x | 1 |
| 33***74 | Decal, Multi-Sheet | 1 |
| 33***68 | Decal, G55x | 1 |
Z68-6-1 Decals G66x
| 32***64 | G.A, Decals - G66x | 1 |
| 33***74 | Decal, Multi-Sheet | 1 |
| 33***58 | Decal, G66x | 1 |
Z68-3-1 Decals G66qx
| 32***34 | G.A, Decals - G63q | 1 |
| 33***74 | Decal, Multi-Sheet | 1 |
| 33***04 | Decal, G66qx | 1 |
Z68-7-1 Decals G88x
| 32***65 | G.A, Decals - G88x | 1 |
| 33***74 | Decal, Multi-Sheet | 1 |
| 33***59 | Decal, G88x | 1 |
Z68-4-1 Decals G88qx
| 32***35 | G.A, Decals - G88q | 1 |
| 33***74 | Decal, Multi-Sheet | 1 |
| 33***05 | Decal, G88qx | 1 |
G66QX serial number reference
Locate the machine identification plate on the generator frame. Verify the serial number falls within the 01650000-01699999 range for the G66QX ST3A configuration.
| Prefix | Identifies | Notes |
|---|---|---|
| 01650000-01699999 | JCB Generator the OEM part reference G66QX ST3A | Confirmed by JCB Service Parts Plus catalog. Prefix range applies to the G66QX ST3A generator set. |
Frequently asked questions
What engine does the JCB G66QX use?
The JCB G66QX uses a JCB diesel engine, typically a 4-cylinder or 6-cylinder unit depending on the specific sub-model within the G66 range.
What is the operating weight of the JCB G66QX?
Operating weight varies by configuration and is not specified in the available operator's manual (Part No. EN – the OEM part reference). Verify with your dealer for the exact serial range.
What replaced the JCB G66QX?
The G66QX is part of the G-series family. Specific successor models are not documented for this exact serial range in the provided sources. Consult official JCB literature for current model replacements.
What G66QX owners discuss
What engine powers the JCB G66QX generator set?
The JCB G66QX is powered by a JCB ST3A engine. This engine designation is specific to the G66QX and G66X models within the generator set series. The ST3A engine is distinct from the engines used in JCB backhoe loaders or excavators and should not be confused with Perkins or other third-party powerplants found in different JCB product lines. The engine serial number is separate from the machine PIN and must be verified against the data plate for accurate parts identification.
What are the known hydraulic and powertrain behaviors for the JCB G66QX?
The JCB G66QX is a stationary generator set, not a mobile excavator or loader. It does not have a hydraulic powertrain, undercarriage, or travel motors. Its power output is transmitted via an alternator to an electrical grid or load. Hydraulic systems, if present, are limited to engine cooling or auxiliary control circuits, not machine movement. Operators should not expect hydraulic flow rates or pressures associated with construction equipment. The machine's performance is defined by electrical output (kW/kVA) and engine RPM, not breakout force or dig depth.
What are the typical wear patterns or maintenance concerns for the JCB G66QX?
As a generator set, the JCB G66QX does not have undercarriage wear patterns such as track tension issues or sprocket wear. Maintenance concerns focus on the engine and electrical systems. Common issues include alternator brush wear, voltage regulator failures, and engine oil leaks. The engine requires regular fluid changes and filter replacements. The operator's manual for the G50R through G120X series emphasizes routine maintenance of the engine and alternator to prevent premature failure. Fuel system cleanliness is critical to avoid injector issues.
What are common electrical or sensor issues reported for the JCB G66QX?
Electrical issues in the JCB G66QX often involve the JCB Digital Control Panel, wiring harnesses, and sensors. The control panel monitors engine parameters and alternator output. Fault codes can include incorrect voltage readings, failure to start, or alarm activations due to low oil pressure or high temperature. The wiring diagram in the operator's manual is essential for troubleshooting. Connections must be secure to prevent intermittent faults. The machine uses a specific electrical architecture that differs from JCB mobile equipment; do not apply electrical troubleshooting methods from backhoe or excavator models.
What should be checked when buying a used JCB G66QX?
When purchasing a used JCB G66QX, verify the machine PIN falls within the serial range for the OEM part reference of the G66QX ST3A model. Check the engine serial number against the data plate to confirm the ST3A engine variant. Inspect the alternator for brush wear and bearing noise. Test the JCB Digital Control Panel for accurate readings and proper communication with the engine ECU. Verify the condition of the fuel filters, oil filters, and coolant. Ensure the control panel wiring is intact and free of corrosion. Do not assume specifications from similar JCB models; confirm the exact configuration via the operator's manual (Part No. EN – OEM part reference – ISSUE 2 – MAY 2008).
Are there any safety-critical fixes for the JCB G66QX that require dealer verification?
Yes. Safety-critical systems include the engine shutdown mechanism, voltage regulation, and grounding. Any repairs to the alternator, voltage regulator, or engine control module must be performed by a qualified technician. Have your dealer verify the calibration of the JCB Digital Control Panel and the integrity of the engine shutdown circuit. Incorrect calibration can lead to over-speeding or voltage spikes, damaging connected equipment. Have your dealer verify the engine timing and fuel injection settings to ensure compliance with emissions standards and safe operation.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
Serial-range & configuration variants
This page covers the Jcb G66QX. Related factory variants of the same model family:
G66QXG66QX
Need a specific G66QX part?
Search live OEM part data, check fitment, and cross-reference alternatives with Heavy Parts AI.