Jcb G8X(JCB GENERATOR)
Maintenance schedule, common problems & OEM parts breakdown
The JCB G8X is a compact diesel generator set within the JCB Power Products range, rated at 7.9 kW (9.8 kVA) output. It is part of the G-series lineup that includes models such as the G13, G17, G20, G22, G30, G33, G40, and G45. The G8X is available in open, canopy, and container configurations. It is powered by a JCB DieselMax 4-cylinder engine, designed for prime power and standby applications. The machine is built for rugged site environments, featuring a fuel-optimized design and low-noise operation.
The G-series represents JCB's entry into compact, fuel-optimized power generation, bridging the gap between portable petrol units and heavy-duty industrial gensets. Unlike larger JCB generators that utilize Scania, Cummins, or Volvo engines, the G8X relies on the proprietary JCB DieselMax powertrain. This configuration simplifies parts logistics for fleet managers already maintaining JCB construction equipment. In the used market, the G8X is valued for its durability and the availability of JCB-specific service fluids and filters, which support extended 500-hour oil intervals compared to competitors.
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 G8X(JCB GENERATOR) specifications
Engine
| Engine Model | JCB-EG460PE |
| Engine Type | Petrol single cylinder |
| Displacement | 457 cc |
| Power | 15 hp |
| Rated Speed | 3000 RPM |
Weights
| Net Weight | 94 kg (207 lb) |
| Gross Weight | 99 kg (218 lb) |
Dimensions
| Product Dimensions (handle protracted) | 650 x 700 x 720 mm (25.6 x 27.6 x 28.3 in) |
| Product Dimensions (handle extended) | 650 x 700 x 1065 mm (25.6 x 27.6 x 41.9 in) |
| Package Dimensions (H x W x L) | 815 x 595 x 605 mm (32.1 x 23.4 x 23.8 in) |
Performance
| Maximum Output | 7.9 kW / 9.8 kVA |
| Continuous Output | 7.5 kW / 9.4 kVA |
| Voltage | 115V / 230V |
| Phase | Single Phase |
| Frequency | 50 Hz |
| Max Current | 34.3 A |
| Continuous Current | 23.6 A |
| Run Time @ 50% load | 8 hours |
| Run Time @ 100% load | 5 hours |
| Fuel Consumption @ 100% load | 3.12 L/hr |
| Noise Level @ 1m 75% load | 97 dB |
| Noise Level @ 7m 75% load | 70 dB |
Service capacities (summary)
| Fuel Capacity | 25 L |
| Engine Oil Capacity | 1100 ml |
| Engine Oil Type | 10w-30 / SAE 15w40 |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
Jcb G8X(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 G8X(JCB GENERATOR) beyond the schedule
Predictive Maintenance & Fluid Analysis
Baseline fluid sampling is critical for the JCB G8X DieselMax engine. Take samples of engine oil, hydraulic oil, and coolant at the 500-hour mark to establish wear patterns. Monitor for silicate separation in the coolant expansion bottle, which indicates degraded corrosion protection. Use JCB Engine Oil Special or equivalent 15W-40 diesel oil meeting API specifications. Regular oil analysis detects bearing wear or contamination 500 to 800 hours before failure, preventing unexpected generator shutdowns.
Corrective & Common Repairs
Common failures in the G8X involve the fuel system and electrical components. Replace primary and secondary fuel filters at 500-hour intervals to protect common-rail injectors from contamination. Inspect the alternator and starter load regularly to catch failing electrical components. Check the turbocharger shaft play and charge cooler boot condition during major services. Ensure all electrical access points remain micro-switch protected to prevent operator safety hazards and system faults.
Overhaul & Rebuild Points
The 2000-hour service is the primary overhaul threshold for the G8X. Drain and clean the hydraulic tank thoroughly before refilling with JCB-spec hydraulic oil. Inspect the structural boom, arm, and chassis for unauthorized welding or cracking. Measure swing ring play using dial indicators if applicable to the specific sub-model. Check injector spray patterns via the JCB ServiceMaster diagnostic tool and replace injectors as required to maintain combustion efficiency and emissions compliance.
Seasonal & Environment Servicing
The G8X is designed for tough environments but requires seasonal adjustments. In cold weather, ensure glow plugs are cycled correctly to prevent black smoke from unburned fuel during cranking. Use OAT JCB coolant for freeze and boil protection. In dusty conditions, inspect the air filter restriction indicator frequently and replace the element as needed. Maintain track tension or tire pressure according to ground conditions to prevent premature wear on the undercarriage or chassis components.
G8X(JCB GENERATOR) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 02/971534 | Element, Fuel Filter, Cartridge Type | 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 → |
| 02/971878 | Float, Fuel Filter | Fuel system service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
G8X(JCB GENERATOR) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| P0087 | Fuel Rail/System Pressure Too Low | Fuel supply restriction, leaking injector, or faulty high-pressure pump metering unit. | Check fuel filter condition and fuel line integrity; inspect injector wiring harness for damage. |
| P0088 | Fuel Rail/System Pressure Too High | Faulty fuel pressure regulator or restricted return line. | Verify fuel return line is not kinked or blocked; check regulator operation. |
| P0115 | Engine Coolant Temperature Sensor 1 Circuit Malfunction | Failed coolant temperature sensor, open circuit, or poor connector contact. | Inspect sensor wiring and connector for corrosion; test sensor resistance against temperature specs. |
| P0190 | Fuel Pressure Sensor 'A' Circuit Malfunction | Open circuit in fuel pressure sensor wiring or sensor failure. | Check connector pins for damage; verify power and ground at the sensor connector. |
| P0200 | Injector Circuit Malfunction (General) | Open or shorted circuit in one or more injector harnesses. | Visually inspect injector wiring harness for chafing or cuts; check connector locking mechanisms. |
| P0335 | Crankshaft Position Sensor 'A' Circuit No Signal | Failed crank sensor, broken signal ring, or open wiring. | Inspect crank sensor connector and wiring; verify sensor air gap and signal ring integrity. |
| P0336 | Crankshaft Position Sensor 'A' Circuit Range/Performance | Intermittent signal from crank sensor or signal ring damage. | Check sensor mounting and wiring for intermittent shorts; inspect signal ring for missing teeth. |
| P0340 | Camshaft Position Sensor Circuit Malfunction | Failed cam sensor or open circuit. | Inspect cam sensor wiring and connector; verify sensor operation with diagnostic tool. |
| P0252 | Fuel Metering Control A - Performance/Stuck | Faulty high-pressure fuel pump metering valve or restricted fuel flow. | Check fuel filter and lines; test metering valve operation via diagnostic software. |
| P0253 | Fuel Metering Control A - Low Signal | Open circuit to fuel metering control valve or valve failure. | Check wiring harness continuity to the metering valve; inspect connector for corrosion. |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
G8X(JCB GENERATOR) attachments & work tools
Generator Enclosure & Mounting Configurations
The G8X model is available in Open, Canopy, and Container types, as listed in the 9-45 kVA fuel-optimized power products range. The rental series utilizes a durable single-point lift to support the generator, trailer, and a full tank of fuel for road use.
Power Output & Engine Specifications
The G8X is a compact generator in the 9-45 kVA range. The G8QX variant is listed alongside the G8X in the same fuel-optimized product table. Engine sources for the broader compact range include JCB Diesel by Kohler, JCB 4 Cylinder DIESELMAX, and JCB 6 Cylinder DIESELMAX.
Fuel System & Capacity
Total fuel capacity varies by specific model within the compact range, with examples showing 53 liters for the G20QS and 81 liters for the G27QS and G33QS. The G8X falls within the 9-45 kVA classification, implying a capacity consistent with this lower-end tier.
Electrical & Control Options
Configurable options include synchronizing and auto main failure (AMF) control panels. The rental series features Camlock connections for quick power installation and segregated AC and DC supplies for safe working.
Telematics & Monitoring
LiveLink Telematics is available to monitor fuel consumption, engine health, voltage, current across three phases, and exported power tracking. This system helps keep control of the fleet and provides data on engine operation across load bands.
Noise & Acoustic Features
Many generators in the range are engineered to minimize noise, making them suitable for quiet operations. The G8000PE petrol generator produces 70 dBA at a distance of 7 meters, indicating the acoustic standards applied to the compact class.
All G8X(JCB GENERATOR) assemblies by section
Every catalogued assembly group for the Jcb G8X(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 : G8x(Jcb Generator) : Z Jcb Generator Set : Z00 Generator Sets
Z1-6-40 Timing Case & Covers
| 02***52 | Bolt, M8 X 45 | 3 |
| 02***06 | Bolt, M6 X 16 | 2 |
| 02***07 | Dowel, . | 4 |
Z1-4-1 Crankshaft, Bearings, Pistons & Con-Rods
| 02***04 | Key, 4 X 12 | 1 |
| 02***07 | Dowel, . | 4 |
| 02***26 | Bolt, . | 5 |
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 |
Z1-6-20 Timing Case & Covers
| 02***18 | Housing | 1 |
| 02***86 | Nut | 3 |
| 02***06 | Bolt, M6 X 16 | 2 |
Z1-4-40 Crankshaft, Bearings, Pistons & Con-Rods
| 02***10 | Key, . | 1 |
| 02***25 | Bolt, . | 1 |
| 02***50 | Bearing, Con Rod Std | 4 |
Z1-8-10 Flywheel Housing, & Sump
| 02***21 | Bolt, M8 X 35 | 3 |
| 02***52 | Bolt, M8 X 45 | 20 |
| 02***07 | Dowel, . | 4 |
Z1-7-10 Camshaft, &, Gears
| 02***21 | Bolt, M8 X 40 | 3 |
| 02***05 | Tappet, . | 6 |
| 02***08 | Plate | 1 |
Z1-4-30 Crankshaft, Bearings, Pistons & Con-Rods
| 02***07 | Dowel, . | 1 |
| 02***10 | Key, . | 1 |
| 02***21 | Gear, . | 1 |
Z1-6-50 Timing Case & Covers
| 02***52 | Bolt, M8 X 45 | 3 |
| 02***06 | Bolt, M6 X 16 | 2 |
| 02***07 | Dowel, . | 4 |
Z1-4-50 Crankshaft, Bearings, Pistons & Con-Rods
| 02***10 | Key, . | 2 |
| 02***25 | Bolt, . | 1 |
| 02***50 | Bearing, Con Rod Std | 4 |
Z1-7-30 Camshaft, &, Gears
| 02***21 | Bolt, M8 X 40 | 3 |
| 02***05 | Tappet, . | 8 |
| 02***08 | Plate | 1 |
Z1-1-40 Engine, Assembly, 4tnv98ggeh
| 02***31 | Engine, Assembly Complete | 1 |
Z1-4-10 Crankshaft, Bearings, Pistons & Con-Rods
| 02***07 | Dowel, . | 1 |
| 02***10 | Key, . | 1 |
| 02***21 | Gear, . | 1 |
Z1-8-40 Flywheel Housing, & Sump
| 02***31 | Bolt, M8 X 12 | 16 |
| 02***07 | Dowel, . | 2 |
| 02***46 | 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 |
Z1-6-30 Timing Case & Covers
| 02***86 | Nut | 3 |
| 02***06 | Bolt, M6 X 16 | 2 |
| 02***22 | Bolt, M8 X 55 | 12 |
Z1-4-20 Crankshaft, Bearings, Pistons & Con-Rods
| 02***07 | Dowel, . | 1 |
| 02***10 | Key, . | 1 |
| 02***21 | Gear, . | 1 |
Z1-7-1 Camshaft, &, Gears
| 02***84 | Bolt, M6 X 12 | 2 |
| 02***34 | Tappet | 6 |
| 02***35 | Rod, Push | 6 |
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 |
Z1-1-20 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 |
Z1-8-20 Flywheel Housing, & Sump
| 02***21 | Bolt, M8 X 35 | 3 |
| 02***52 | Bolt, M8 X 45 | 24 |
| 02***07 | Dowel, . | 4 |
Z1-7-50 Camshaft, &, Gears
| 02***22 | Bolt, M8 X 55 | 3 |
| 02***59 | Bolt, M8 X 16 | 2 |
| 02***05 | Tappet, . | 8 |
Z1-3-10 Cylinder Block, Assembly
| 02***32 | Plug, . | 3 |
| 02***04 | Plug, . | 1 |
| 02***05 | Plug, . | 1 |
Z1-3-30 Cylinder Block, Assembly
| 02***32 | Plug, . | 3 |
| 02***04 | Plug, . | 1 |
| 02***05 | Plug, . | 1 |
Z1-1-50 Engine, Assembly, 4tnv98tggeh
| 02***32 | Engine, Assembly Complete | 1 |
Z1-3-40 Cylinder Block, Assembly
| 02***04 | Plug, . | 1 |
| 02***08 | Plug, 30 | 8 |
| 02***19 | Plug, . | 3 |
Z1-1-1 Engine, Assembly, 3tnv76ggeh
| 02***27 | Engine, Assembly Complete | 1 |
Z1-1-10 Engine, Assembly, 3tnv88ggeh
| 02***28 | Engine, Assembly Complete | 1 |
Z1-3-1 Cylinder Block, Assembly
| 02***32 | Plug, . | 1 |
| 02***05 | Plug, . | 1 |
| 02***07 | Plug, 12 | 1 |
Z1-1-30 Engine, Assembly, 4tnv84tggeh
| 02***30 | Engine, Assembly Complete | 1 |
Z1-3-20 Cylinder Block, Assembly
| 02***32 | Plug, . | 3 |
| 02***04 | Plug, . | 1 |
| 02***05 | Plug, . | 1 |
Z1-3-50 Cylinder Block, Assembly
| 02***04 | Plug, . | 1 |
| 02***08 | Plug, 30 | 8 |
| 02***19 | Plug, . | 3 |
Z1-6-10 Timing Case & Covers
| 02***18 | Housing | 1 |
| 02***86 | Nut | 3 |
| 02***06 | Bolt, M6 X 16 | 2 |
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 |
Z2-1-50 Cylinder Head, & Rocker Assembly
| 02***31 | Bolt, M8 X 12 | 1 |
| 02***86 | Nut | 2 |
| 02***21 | Bolt, M8 X 40 | 2 |
Z2-1-30 Cylinder Head, & Rocker Assembly
| 02***44 | Bolt, M8 X 25 | 3 |
| 02***59 | Bolt, M8 X 16 | 4 |
| 02***29 | Cap, Filler | 1 |
Z2-1-1 Cylinder Head, & Rocker Assembly
| 02***44 | Cap, Valve | 6 |
| 02***52 | Bolt, M6 X 20 | 3 |
| 02***21 | Bolt, M8 X 40 | 3 |
Z2-1-40 Cylinder Head, & Rocker Assembly
| 02***86 | Nut | 2 |
| 02***21 | Bolt, M8 X 40 | 2 |
| 02***30 | Stud, M8 X 22 | 2 |
Z3-2-10 Exhaust System
| 02***86 | Nut | 2 |
| 02***02 | Bolt, M8x22 | 4 |
| 02***04 | Gasket, . | 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 |
Z3-3-30 Air Induction, &, Air Filter
| 02***21 | Bolt, M8 X 35 | 4 |
| 02***97 | Gasket, . | 1 |
| 02***00 | Element, Air Filter Safety | 1 |
Z3-2-40 Exhaust System
| 02***86 | Nut | 2 |
| 02***02 | Bolt, M8x22 | 4 |
| 02***32 | Bolt, M8 X 80 | 6 |
Z3-2-20 Exhaust System
| 02***86 | Nut | 2 |
| 02***02 | Bolt, M8x22 | 4 |
| 02***32 | Bolt, M8 X 80 | 6 |
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 |
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 |
Z3-3-10 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 |
Z3-2-1 Exhaust System
| 02***02 | Bolt, M8x22 | 4 |
| 02***45 | Manifold, Exhaust | 1 |
| 02***46 | 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 |
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 |
Z4-1-10 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 |
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 |
Z4-1-20 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 |
Z4-1-30 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 |
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 |
Z5-1-20 Engine, Lubrication, & Sump
| 02***16 | Nut, M6 | 1 |
| 02***21 | Bolt, M8 X 35 | 2 |
| 02***41 | Tube, Dipstick | 1 |
Z5-1-1 Engine, Lubrication, & Sump
| 02***19 | Bolt, M6 X 10 | 2 |
| 02***41 | Tube, Dipstick | 1 |
| 02***45 | Switch, Oil Pressure | 1 |
Z5-1-30 Engine, Lubrication, & Sump
| 02***21 | Bolt, M8 X 35 | 2 |
| 02***41 | Tube, Dipstick | 1 |
| 02***42 | Gasket, . | 1 |
Z5-1-50 Engine, Lubrication, & Sump
| 02***31 | Bolt, M8 X 12 | 1 |
| 02***41 | Tie, . | 1 |
| 02***59 | Bolt, M8 X 16 | 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 |
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 |
Z6-3-1 Fuel System
| 02***76 | Clamp | 2 |
| 02***26 | Washer, Seal | 5 |
| 02***46 | Clamp, . | 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 |
Z6-6-30 Fuel Pipes, &, Filters
| 02***76 | Clamp | 4 |
| 02***34 | Element, Fuel Filter, Cartridge Type | 1 |
| 02***40 | Pump, Assembly | 1 |
Z6-6-1 Fuel Pipes, &, Filters
| 02***76 | Clamp | 4 |
| 02***59 | Bolt, M8 X 16 | 2 |
| 02***26 | Washer, Seal | 2 |
Z6-3-20 Fuel System
| 02***16 | Clamp, Hose | 8 |
| 02***22 | Bolt, M4x14 | 4 |
| 02***23 | Pipe, Clamp | 1 |
Z6-1-1 Fuel Injection Pump
| 02***32 | Pump, Fuel Lift | 1 |
| 02***10 | Seal | 1 |
| 02***11 | Plate, Cover | 1 |
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 |
Z6-3-30 Fuel System
| 02***16 | Clamp, Hose | 2 |
| 02***50 | Seal, Washer | 1 |
| 02***21 | Pipe, Clamp | 2 |
Z6-3-50 Fuel System
| 02***06 | Bolt, M6 X 16 | 2 |
| 02***21 | Pipe, Clamp | 1 |
| 02***22 | Bolt, M4x14 | 3 |
Z6-6-40 Fuel Pipes, &, Filters
| 02***16 | Clamp, Hose | 2 |
| 02***41 | Tie, . | 1 |
| 02***76 | Clamp | 3 |
Z6-2-10 Governor Assembly
| 02***52 | Bolt, M6 X 20 | 10 |
| 02***52 | Bolt, M6 X 14 | 6 |
| 02***21 | Cap, . | 1 |
Z6-1-40 Fuel Injection Pump
| 02***50 | Bolt, M10 X 20 | 1 |
| 02***59 | Bolt, M8 X 16 | 2 |
| 02***87 | O Ring, . | 1 |
Z6-1-30 Fuel Injection Pump
| 02***59 | Bolt, M8 X 16 | 1 |
| 02***87 | O Ring, . | 1 |
| 02***26 | Washer, Seal | 5 |
Z6-6-20 Fuel Pipes, &, Filters
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 |
Z6-6-50 Fuel Pipes, &, Filters
| 02***16 | Clamp, Hose | 2 |
| 02***41 | Tie, . | 1 |
| 02***76 | Clamp | 3 |
Z6-2-40 Governor Assembly
| 02***25 | Seal, Washer | 1 |
| 02***78 | Bolt, M6 X 25 | 8 |
| 02***32 | Bolt, M6 X 40 | 2 |
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 |
Z8-1-20 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 |
Z8-1-40 Gasket Sets
| 02***03 | Gasket, . | 1 |
| 02***46 | Gasket, . | 2 |
| 02***38 | O Ring, . | 2 |
Z8-1-10 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 |
Z8-1-1 Gasket Sets
| 02***25 | Seal, Washer | 1 |
| 02***03 | Gasket, . | 1 |
| 02***38 | Nozzle, Protection | 3 |
Z10-2-20 Alternator
| 02***39 | Alternator | 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 |
Z10-1-20 Starter Motor
| 02***38 | Motor, Starter | 1 |
Z10-1-10 Starter Motor
| 02***45 | Motor, Starter | 1 |
Z60-4-10 Chassis, Frame & Components, Without Canopy
Z60-3-1 Chassis
| 33***01 | Clamp | 3 |
| 33***06 | Meter, Flow | 1 |
| 33***12 | Bracket, Mounting | 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 |
Z60-1-1 Chassis
| 33***01 | Clamp | 3 |
| 33***02 | Pipe, End Silencer | 1 |
| 33***03 | Silencer, Exhaust | 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 |
Z60-2-1 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 |
Z60-5-1 Chassis
| 33***09 | Clamp | 3 |
| 33***10 | Silencer, Exhaust | 1 |
| 33***11 | Forklift, Pocket | 2 |
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 |
Z62-5-1 Generator Alternator, Bci184f
Z62-6-1 Generator Alternator, Bci184g
| 32***07 | Kit, Rectifier | 1 |
| 32***08 | Regulator, A.V.R Sx460 | 1 |
| 32***44 | Alternator | 1 |
Z62-3-1 Generator Alternator, Bci164d
| 32***06 | Alternator | 1 |
| 32***07 | Kit, Rectifier | 1 |
| 32***08 | Regulator, A.V.R Sx460 | 1 |
Z62-2-1 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 |
Z62-4-1 Generator Alternator, Bci184e
| 32***07 | Kit, Rectifier | 1 |
| 32***08 | Regulator, A.V.R Sx460 | 1 |
| 32***38 | 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 : G8x(Jcb Generator) : Z Jcb Generator Set : Z64 Generator Ac Power
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 |
Z66-7-1 Cables, & Isolator
| 33***29 | Kit, Battery Isolator, 1103 | 1 |
| 33***38 | Battery, Cables, Yanmar 4tnv88/84t | 1 |
Z66-2-1 Cables
| 33***40 | Battery, Cables, Yanmar 3tnv76/88 | 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 |
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 |
Z66-4-1 Cables
| 33***38 | Battery, Cables, Yanmar 4tnv88/84t | 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 |
Z66-3-1 Cables, & Isolator
| 33***29 | Kit, Battery Isolator, 1103 | 1 |
| 33***36 | Battery, Cables, Yanmar 4tnv88/84t/98 | 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 |
Z66-1-1 Cables, & Isolator
| 33***29 | Kit, Battery Isolator, 1103 | 1 |
| 33***34 | Battery, Cables, Yanmar 3tnv | 1 |
Frequently asked questions
What engine does the JCB G8X use?
The JCB G8X uses a JCB DieselMax 4-cylinder diesel engine.
What is the operating weight of the JCB G8X?
Operating weight data for the JCB G8X is not documented in the provided sources; verify with your dealer.
What replaced the JCB G8X?
Successor model data for the JCB G8X is not documented in the provided sources; verify with your dealer.
What G8X(JCB GENERATOR) owners discuss
What engine family and emissions tiers are associated with the JCB G8X generator set?
What are the common starting issues reported for JCB 444 engines in generator applications?
How does the JCB G8X handle low power output or performance drops?
What are the typical wear patterns or maintenance concerns for the JCB G8X power system?
What electrical or sensor issues are common in JCB generator sets?
What is the recommended fluid specification for the hydraulic system of JCB equipment?
What should be checked when buying a used JCB G8X generator set?
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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