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Jcb G330
Maintenance schedule, common problems & OEM parts breakdown
The JCB G330 is a generator set manufactured by JCB, distinct from the JCB 330 skid steer loader and JS330 excavator. Production years are not explicitly documented in the provided sources, though the associated Operator’s Manual (Publication No. the OEM part reference) is dated May 2008. The machine is part of the G-series generator family, which includes variants such as the G330Q, G350, G380, G400, G440, and G550. Specific engine designation, operating weight, and predecessor/successor lineage for the G330 are not provided in the source text.
The G330 generator set is designed for power generation applications, utilizing JCB’s Dieselmax or EcoMAX engine technology common to the brand’s construction and industrial equipment. The machine matters in the used and parts market due to the availability of JCB’s long-life engine oil intervals, which reduce downtime compared to competitors with shorter service cycles. The G-series platform shares maintenance philosophies with JCB’s backhoe loaders and excavators, allowing for shared diagnostic tools like JCB ServiceMaster and similar fluid specifications, though specific model configurations and serial ranges vary.
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 G330 specifications
Engine
| Model | JCB Dieselmax (Skid Steer); EcoMAX 6-cylinder (Excavator) |
| Gross/Net Power | 92 hp (Skid Steer); 281 hp (Excavator, Stage IV/Tier 4 Final) |
| Displacement | 8.5 L (Excavator) |
| Cylinders | 6 (Excavator) |
| Emissions Tier | Tier 3 (Excavator variant); Stage IV / Tier 4 Final (Excavator variant) |
Weights
| Operating Weight | 8,728 lb (Skid Steer); 72,089 lb (Excavator standard); 78,573 lb (Excavator variant); 39,904 kg (87,973 lb) max (Excavator long-reach) |
| Shipping Weight | Not documented for this exact serial range — verify with your dealer |
| Ground Pressure | Not documented for this exact serial range — verify with your dealer |
Dimensions
| Transport Length | 3 m (Skid Steer); 35 ft 7 in (0.18 m) (Excavator); 326.8 in (8.30 m) (Excavator) |
| Transport Width | 72 in (74 in) (Skid Steer); 11 ft 2 in (0.05 m) (Excavator); 111.4 in (2.83 m) (Excavator) |
| Transport Height | 118.1 in (3.00 m) (Excavator) |
| Wheelbase / Track Gauge | Not documented for this exact serial range — verify with your dealer |
| Ground Clearance | 17.7 in (0.45 m) (Excavator) |
Performance
| Travel Speed | 12.5 mph (Skid Steer) |
| Lift Capacity | 2,306.5 lb (at 35% tipping load, Skid Steer); 3,295 lb (at 50% tipping load, Skid Steer); 1,497 kg (1495 kg) rated operating capacity (Skid Steer) |
| Dig Depth | Over 26 feet (Excavator) |
| Gradeability | Not documented for this exact serial range — verify with your dealer |
Service capacities (summary)
| Fuel Tank | 27.3 gal (Skid Steer); 94 gal (356 L) (Excavator) |
| Hydraulic System | 14.6 gal (Skid Steer); 47 gal (178 L) (Excavator) |
| Engine Oil | Not documented for this exact serial range — verify with your dealer |
| Cooling System | Not documented for this exact serial range — verify with your dealer |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
Jcb G330 maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the G330 beyond the schedule
Predictive Maintenance & Fluid Analysis
At the 500-hour interval, take oil samples from the engine, hydraulic, axle, and final drive systems to establish a baseline. Compare subsequent samples against this baseline to detect developing bearing, seal, or contamination issues 500 to 800 hours before failure. Inspect the hydraulic return filter magnet for metallic debris before disposal. Interpret hydraulic oil samples at the 1000-hour service against the 500-hour baseline to determine if intervals should be extended or compressed. Monitor coolant condition to prevent silicate separation and brown sludge formation in the expansion bottle.
Corrective & Common Repairs
Replace primary and secondary fuel filters at 500 hours to protect common-rail injectors on Dieselmax and EcoMAX engines. Check turbocharger shaft play, boot condition, and wastegate function at 1000 hours. Inspect injector spray pattern via diagnostic tool and replace as required. Service disc brakes and check immersed brake condition at 2000 hours. Test A/C pressure and evaporator condition during cab HVAC service. Replace air filter primary element per restriction indicator to maintain engine performance and fuel efficiency.
Overhaul & Rebuild Points
At 2000 hours, drain the hydraulic tank, clean the tank, and refill with JCB-spec hydraulic oil. Measure swing ring radial and axial play using a dial indicator to assess wear. Inspect boom, arm/dipper, loader arm, chassis, and side frames for structural cracks or unauthorized welding. Perform a full ECM diagnostic scan via JCB ServiceMaster to review live and logged fault codes. Torque check slew ring bolts on applicable models. Complete undercarriage measurement against JCB wear limits to determine replacement needs.
Seasonal & Environment Servicing
Check coolant level and condition before extreme temperature changes to prevent silicate separation. Use JCB 15W-40 Multigrade oil rated for -10°C to 50°C (-14°F to 122°F) or JCB Super Universal Agricultural oil for -15°C to 30°C (5°F to 86°F) depending on ambient conditions. Inspect all belts for tension and cracking, especially in hot weather. Clean undercarriage and inspect for damage to prevent debris buildup. Ensure proper warm-up time before applying heavy loads to reduce accelerated wear in cold conditions.
G330 common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| SC1393641 | Head, Fuel Filter | Fuel system service | Check fitment → |
| SC1393640 | Element, Filter, Fuel Feed | Fuel system service | Check fitment → |
| SC1393639 | Filter, Fuel Feed | Fuel system service | Check fitment → |
| SC1763776 | Element, Fuel Filter | Fuel system service | Check fitment → |
| SC1471259 | Filter, Fuel | Fuel system service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
G330 fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| P0100 | Torque Reduction: AMF High Side Driver fault (Open Circuit or Short Circuit to Battery) | Electrical fault in the Air Mass Flow (AMF) sensor circuit or high-side driver within the engine ECU. | Inspect wiring harness and connectors for damage; check power and ground at the sensor; verify ECU driver output. |
| P0101 | Torque Reduction: MAF Sensor Fault | Malfunction in the Mass Air Flow (MAF) sensor signal or circuit. | Check MAF sensor connections and wiring; clean or replace sensor if contaminated; verify signal voltage. |
| P0102 | Torque Reduction: MAF Low Voltage Fault | MAF sensor signal voltage is below the calibrated minimum threshold. | Check for short to ground in MAF wiring; inspect sensor for failure; verify intake system integrity. |
| P0103 | Torque Reduction: MAF High Voltage Fault | MAF sensor signal voltage is above the calibrated maximum threshold. | Check for short to battery voltage in MAF wiring; inspect sensor for internal failure; verify reference voltage. |
| P0335 | Crankshaft Position Sensor 'A' Circuit (No Signal) | Loss of signal from the crankshaft position sensor, often due to sensor failure, wiring break, or damaged tone wheel. | Inspect crank sensor and wiring for damage; check air gap between sensor and tone wheel; verify sensor resistance. |
| P0336 | Torque Reduction: Crank Sensor Fault (Signal Fault) | Crankshaft position sensor signal is erratic or out of specification. | Check sensor mounting and air gap; inspect wiring for intermittent faults; replace sensor if signal remains unstable. |
| P0321-87 | CAN bus message error for engine speed from engine ECU | Communication failure on the CAN bus regarding engine speed data between ECUs. | Check CAN bus wiring (high/low lines) for shorts or opens; verify connector integrity; check ECU power and ground. |
| P029B | Injector drift fault detection on Injector 2 | Injector 2 mechanical drift or electrical performance exceeds calibrated limits. | Check injector 2 wiring and connectors; perform injector balance test; replace injector if mechanical drift is confirmed. |
| P0087 | Fuel rail pressure too low | Fuel rail pressure is below the required threshold, possibly due to fuel supply issues, leak, or pump failure. | Check fuel filter and lines for restrictions; inspect fuel pump operation; check for leaks in high-pressure lines. |
| P0112 | Intake air temperature sensor malfunction (Low Voltage Error) | Intake air temperature (IAT) sensor circuit has a low voltage fault, indicating a short to ground or sensor failure. | Check IAT sensor wiring for short to ground; inspect sensor connector; replace sensor if circuit is intact. |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
G330 attachments & work tools
Buckets
The JCB 330 skid steer loader is equipped with a primary work tool bucket with a capacity of 0.51 cubic meters (0.67 cubic yards) and a width of 2.13 meters (7 feet). Available bucket types include Deep Profile, Ditch Maintenance, Grading, Heavy Duty, Jaw, Ribbed, Tapered Ditching, and Tilting Grading buckets.
Quickhitch and Carriages
The machine utilizes a quickhitch system to allow fast changeover of attachments, reducing downtime and ensuring safety during operations. The use of a quick hitch dramatically reduces attachment swap time, keeping the machine hard at work.
Hydraulic Breakers
JCB offers an OEM hydraulic breaker range designed for demolition, trenching, and concrete breaking. This attachment is designed for high performance and precision and is compatible with backhoe loaders, excavators, and skid steer loaders.
Earth Drills/Augers
The JCB Earth Drill range is effective for the erection of fencing, telegraph poles, anchors, road signs, and planting trees. Each Earth Drill comes complete with a hanger bracket and connection hoses.
Forks and Fork Frames
JCB offers single and twin bale spikes for efficient handling of bales. The machine supports various fork frames to enhance versatility for material handling tasks.
Sweepers
JCB offers a range of sweepers to further increase the versatility of your machines for highly effective cleaning on the job site.
Grabs and Grapples
The JCB Shear Grab features hardox or forged tines, ensuring that you can cut grass and maize silage cleanly from the clamp all day long. The JCB range of Power Grabs has been redesigned to further enhance the capabilities of your machine.
Tilt Rotators
The Tilt Rotator enables attachments to tilt up to 45 degrees and rotate 360 degrees, providing unmatched control. It features an integrated hydraulic system that seamlessly connects to the machine for increased precision.
Hydraulic Kit/Arrangement
The JCB 330 skid steer loader has a standard flow of 23 GPM and a high flow of 35 GPM. The hydraulic system operates at a pressure of 3335 PSI, with hydraulic horsepower of 44 HP for standard flow and 69.5 HP for high flow.
Machine Specifications
The JCB 330 skid steer loader has a rated operating capacity of 1497 kg (3300 lbs) and a weight of 4.42 tons. It is powered by a 68.6 kW (92 HP) JCB Dieselmax engine.
All G330 assemblies by section
Every catalogued assembly group for the Jcb G330. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Z Jcb Generator Set
Z0-12-1 Generator Set, G550q 500kva, 50hz 400v Prime
| 32***50 | Jcb, Generator G550q, 500kva | 1 |
Z0-3-1 Generator Set, G350 310kva, 50hz 400v Prime
| 32***41 | Jcb, Generator G350, 310kva | 1 |
Z0-11-1 Generator Set, G550 500kva, 50hz 400v Prime
| 32***49 | Jcb, Generator G550, 500kva | 1 |
Z0-1-1 Generator Set, G330 300kva, 50hz 400v Prime
| 32***39 | Jcb, Generator G330, 300kva | 1 |
Z0-7-1 Generator Set, G400 360kva, 50hz 400v Prime
| 32***45 | Jcb, Generator G400, 360kva | 1 |
Z0-10-1 Generator Set, G440q 400kva, 50hz 400v Prime
Z0-2-1 Generator Set, G330q 300kva, 50hz 400v Prime
| 32***40 | Jcb, Generator G330q, 300kva | 1 |
Z0-4-1 Generator Set, G350q 310kva, 50hz 400v Prime
| 32***42 | Jcb, Generator G350q, 310kva | 1 |
Z0-6-1 Generator Set, G380q 350kva, 50hz 400v Prime
| 32***44 | Jcb, Generator G380q, 350kvaq | 1 |
Z0-5-1 Generator Set, G380 350kva, 50hz 400v Prime
| 32***43 | Jcb, Generator G380, 350kva | 1 |
Z0-8-1 Generator Set, G400q 360kva, 50hz 400v Prime
| 32***46 | Jcb, Generator G400q, 360kva | 1 |
Z0-9-1 Generator Set, G440 400kva, 50hz 400v Prime
| 32***47 | Jcb, Generator G440, 400kva | 1 |
Z1-1-1 Engine, Complete, Dc12 Ems
| 32***94 | Engine, Assembly, Dc12 Ems | 1 |
| SC***10 | Tool, Rear Crank Seal | 1 |
Z1-3-1 Engine, Complete, Dc12 Ems
| 32***96 | Engine, Assembly, Dc12 Ems | 1 |
Z1-2-1 Engine, Complete, Dc12 Ems
| 32***95 | Engine, Assembly, Dc12 Ems | 1 |
Z1-11-1 Engine, Complete, Dc16 Ems
| 32***97 | Engine, Assembly, Dc16 Ems | 1 |
Z4-12-1 Gasket Set, General Overhaul, Dc16
| SC***13 | Gasket | 2 |
| SC***83 | O Ring | 1 |
| SC***90 | Seal | 2 |
Z4-1-1 Gasket Set, Cylinder Head, Dc12
| SC***51 | Gasket, Rocker Cover, Upper | 1 |
| SC***42 | Seal, Fuel Feed | 4 |
| SC***61 | Gasket, Fuel Feed | 1 |
Z4-2-1 Gasket Set, General Overhaul
| SC***83 | O Ring | 1 |
| SC***11 | O Ring | 2 |
| SC***85 | O Ring | 1 |
Z4-11-1 Gasket Set, Cylinder Head, Dc16
| SC***83 | Gasket, Manifold, Fuel | 1 |
| SC***61 | Gasket, Fuel Feed | 1 |
| SC***66 | Gasket, Rocker Cover, Upper | 1 |
Z5-1-1 Service Kit, Outer, Turbocharger
| SC***37 | Gasket | 1 |
| SC***71 | Gasket | 1 |
| SC***85 | Element, Oil Filter | 1 |
Z5-5-1 Kit, Piston, & Liner Dc12
| 33***21 | Liner, Cylinder | 1 |
| 33***22 | O Ring | 1 |
| 33***23 | O Ring | 1 |
Z5-11-1 Kit,Piston & Liner
| SC***29 | Pin, Gudgeon | 1 |
| SC***87 | Shim, =0.2mm, Liner | 0 |
| SC***43 | Ring, Retaining | 2 |
Z6-3-1 Filter, Oil, Centrifugal, Dc12
| SC***32 | Cover | 2 |
| SC***83 | O Ring | 1 |
| SC***85 | O Ring | 1 |
Z6-1-2 Filter, Water Seperator, Dc12
| SC***02 | Bowl, Fuel Feed | 1 |
| SC***41 | Head, Fuel Filter | 1 |
| SC***40 | Element, Filter, Fuel Feed | 1 |
Z6-1-1 Fuel Filter, Dc12
| SC***89 | Head, Filter | 1 |
| SC***04 | Plug | 1 |
| SC***76 | Element, Fuel Filter | 1 |
Z6-14-1 Filter, Oil, Centrifugal, Dc16
| SC***83 | O Ring | 1 |
| SC***35 | Nozzle | 1 |
| SC***85 | O Ring | 1 |
Z6-13-1 Filter, Oil, Dc16
| SC***08 | Filter, Oil, Assembly | 1 |
| SC***54 | O Ring | 1 |
| SC***28 | Tube | 1 |
Z6-2-1 Filter, Oil, Dc12
| 33***08 | Element, Oil Filter | 1 |
| SC***98 | Adapter | 1 |
| SC***58 | Adapter | 1 |
Z6-12-1 Filter, Water Seperator, Dc16
| SC***02 | Bowl, Fuel Feed | 1 |
| SC***41 | Head, Fuel Filter | 1 |
| SC***40 | Element, Filter, Fuel Feed | 1 |
Z6-11-1 Fuel Filter, Dc16
| SC***57 | Cover, Fuel Feed | 1 |
| SC***59 | Filter, Fuel | 1 |
| SC***58 | Pipe, Fuel Feed | 1 |
Z8-11-1 Front End Drive, Cooling Fan
| SC***77 | Bearing, Ball | 1 |
| SC***09 | Screw | 1 |
| SC***88 | Fan | 1 |
Z8-12-1 Front End Drive, Accessories, Cooling Fan, Dc16
| SC***88 | Screw, M12 X 35 | 6 |
| SC***11 | Screw | 6 |
| SC***71 | Hub, Fan Pulley, Driver | 1 |
Z8-13-1 Front End Drive, Accessories, Water Pump/Alternator
| SC***87 | Roller, Fan Belt | 1 |
| SC***65 | Belt, Poly-V | 1 |
| SC***52 | Screw, M12 X 50 | 6 |
Z8-1-1 Front End Drive, Accessories, With Cooling Fan
| SC***88 | Screw, M12 X 35 | 6 |
| SC***95 | Bearing, Ball | 1 |
| SC***12 | Bolt, M14 X 74, Journal C/Shaft | 6 |
Z9-2-1 Starter Motor, Dc16
| 33***01 | Motor, Starter | 1 |
| SC***23 | Stud | 3 |
| SC***26 | Plate, Starter Motor | 1 |
Z9-1-1 Starter Motor, Dc12
| SC***26 | Plate, Starter Motor | 1 |
| SC***48 | Relay | 1 |
| SC***11 | Motor, Starter | 1 |
Z10-11-2 Alternator, 100amp, Dc16
| 33***00 | Alternator | 1 |
| SC***92 | Sleeve, Guide | 2 |
| SC***64 | Alternator | 1 |
Z10-1-1 Alternator, Dc12
| SC***95 | Bolt, M16 X 90 | 1 |
| SC***66 | Capacitor | 1 |
| SC***53 | Regulator | 1 |
Z10-11-1 Alternator, Dc16
| SC***92 | Sleeve, Guide | 2 |
| SC***19 | Bracket, Alternator Mounting | 1 |
| SC***16 | Alternator | 1 |
Z11-1-1 Unit, Electronic Control, Dc12
| SC***91 | Cover, Engine Control Unit | 2 |
| SC***22 | Bolt | 8 |
| SC***99 | Housing, Contact 2, Engine Control Unit | 0 |
Z11-14-1 Protection Plate, & Mounting Bracket, Dc16
| SC***89 | Shield, Heat, Cable Routeing | 1 |
| SC***56 | Holder, Cable, Bushing | 4 |
| SC***30 | Shield, Heat, Rear Of Engine | 1 |
Z11-2-1 Harnesses & Sensors, Dc12
| SC***21 | Sensor, Pressure, Oil | 1 |
| SC***72 | Cable, Harness | 1 |
| SC***20 | Sensor, Pressure, Charge | 1 |
Z11-3-1 Cable Retainers, Cylinder Head, Dc12
| SC***30 | Duct | 1 |
| SC***02 | Screw | 6 |
| SC***69 | Attaching Plate | 1 |
Z11-4-1 Protection Plates, & Mounting Bracket, Dc12
| SC***74 | Plate, Protective | 1 |
| SC***63 | Bracket | 1 |
| SC***94 | Plate, Protective | 1 |
Z11-12-1 Harnesses & Sensors, Dc16
| SC***21 | Sensor, Pressure, Oil | 1 |
| SC***20 | Sensor, Pressure, Charge | 1 |
| SC***03 | Sensor, Speed 1 | 1 |
Z11-11-1 Unit, Electronic Control, Dc16
| 33***43 | Housing, Contact Engine Control Unit, 10-Pol | 0 |
| SC***91 | Cover, Engine Control Unit | 2 |
| SC***22 | Bolt | 8 |
Z11-13-1 Cable Retainer, Cylinder Head
| 33***02 | Holder, Cable Clamp | 2 |
| 33***03 | Holder, Cable Bushing | 2 |
| SC***91 | Holder, Cable, Clamp | 8 |
Z12-12-1 Fuel Return Pipes, Dc16
| 33***17 | Valve, Overflow | 1 |
| SC***77 | Nut | 1 |
| SC***65 | Bolt | 1 |
Z12-1-1 Fuel Pipework, High Pressure, Dc12
| SC***90 | Seal | 1 |
| SC***77 | Nut | 1 |
| SC***67 | Banjo | 1 |
Z12-11-1 Fuel Pipework, High Pressure, Dc16
| SC***90 | Seal | 2 |
| SC***41 | Screw, Banjo | 2 |
| SC***77 | Nut | 1 |
Z13-11-1 Fuel Injector, Dc16
| SC***64 | O Ring, Injector | 8 |
| SC***73 | Nozzle, Injector, Fuel | 1 |
| SC***39 | Washer, Injector | 8 |
Z13-1-1 Fuel Injector, Dc12
| SC***41 | Clamp, Injector | 6 |
| SC***88 | Nozzle, Fuel Injector | 1 |
| SC***64 | O Ring, Injector | 6 |
Z15-11-1 Fuel Feed Pump, Dc16
| SC***19 | Screw, M8 X 30 | 2 |
| SC***70 | Pump, Hand, Fuel | 1 |
| SC***55 | Pump, Fuel Lift | 1 |
Z15-1-1 Fuel Feed Pump, Dc12
| SC***11 | O Ring | 1 |
| SC***19 | Screw, M8 X 30 | 2 |
| SC***09 | Screw | 2 |
Z16-11-1 Water Pump, Dc16
| SC***64 | Gasket, Water Pump | 1 |
| SC***21 | Screw, M8 X 40 | 4 |
| SC***25 | Screw, M8 X 60 | 8 |
Z16-1-1 Water Pump, Dc12
| SC***33 | Pump | 1 |
| SC***21 | Screw, M8 X 40 | 2 |
| SC***19 | Screw, M8 X 30 | 7 |
Z17-2-1 Water Bleed Pipe, Dc12
| SC***84 | Bolt | 1 |
| SC***46 | Bolt | 5 |
| SC***52 | Pipe | 1 |
Z17-1-1 Water Inlet, Connector
| SC***18 | Screw | 3 |
| SC***86 | Connector, Water Inlet | 1 |
| SC***16 | Gasket | 1 |
Z17-12-1 Water Bleed Pipe, Dc16
| SC***89 | Pipe, Bleed Assembly. | 1 |
| SC***15 | Hose, Bleed Assembly. | 1 |
| SC***86 | Connector, Bleed Pipe | 8 |
Z18-1-1 Thermostat & Housing, Dc12
| SC***85 | Housing, Thermostat | 1 |
| SC***19 | Screw, M8 X 30 | 10 |
| SC***87 | O Ring | 1 |
Z18-11-1 Thermostat & Housing, Dc16
| SC***25 | Screw, M8 X 60 | 4 |
| SC***24 | Thermostat, 83 Degrees | 1 |
| SC***25 | Gasket, Thermostat | 1 |
Z19-1-1 Rocker Cover, Dc12
| SC***51 | Gasket, Rocker Cover, Upper | 6 |
| SC***06 | Cap, Oil Filler | 1 |
| SC***19 | Screw, M8 X 30 | 24 |
Z19-2-1 Breather Tube, Crankcase, Dc12
| SC***20 | Screw | 1 |
| SC***82 | Pipe, Crankcase Breather | 1 |
| SC***32 | Nut, Flange M8 | 2 |
Z19-11-1 Rocker Cover, Dc16
| SC***90 | Cover | 8 |
| SC***06 | Cap, Oil Filler | 1 |
| SC***66 | Gasket, Rocker Cover, Upper | 8 |
Z19-12-1 Breather Tube, Crankcase, Dc12
| SC***92 | Pipe, Crankcase, Ventilation | 1 |
| SC***89 | Screw, M6 X 16 | 3 |
| SC***21 | Screw, M8 X 40 | 4 |
Z20-1-1 Rocker Shaft, Assembly
| SC***10 | Screw, Adjusting | 1 |
| SC***89 | Arm, Rocker, Injector | 6 |
| SC***92 | Plug, Rivet | 6 |
Z20-11-1 Rocker Shaft, Assembly
| SC***10 | Screw, Adjusting | 1 |
| SC***89 | Arm, Rocker, Injector | 8 |
| SC***92 | Plug, Rivet | 8 |
Z21-1-1 Pushrods & Tappets, Dc12
| SC***02 | Circlip | 2 |
| SC***51 | Rod, Push | 4 |
| SC***45 | Rod, Push | 2 |
Z21-11-1 Pushrods & Tappets, Dc16
| SC***79 | Pushrod | 8 |
| SC***07 | Tappet, Roller | 2 |
| SC***46 | Bolt, Screw M10 X 60 | 16 |
Z22-1-1 Turbocharger, Dc12
| SC***17 | Turbocharger | 1 |
| SC***39 | Turbocharger, Service Exchange | 1 |
Z22-11-1 Turbocharger, Dc16
| SC***94 | Turbocharger | 1 |
Z23-12-1 Turbo Exhaust, Pipework
| SC***32 | Nut | 1 |
| SC***74 | Clamp, "V" | 1 |
| SC***01 | Pipe | 1 |
Z23-1-1 Turbo Pipework
| SC***71 | Gasket | 1 |
| SC***73 | Clamp | 2 |
| SC***98 | Adapter | 1 |
Z23-2-1 Turbo Exhaust, Pipework, Dc12
| SC***33 | Pipe, Exhaust Elbow | 1 |
| SC***32 | Nut | 1 |
| SC***37 | Clamp, "V" | 1 |
Z23-11-1 Turbo Pipework
| SC***44 | Adapter | 1 |
| SC***71 | Gasket | 1 |
| SC***98 | Adapter | 1 |
Z25-1-1 Induction Manifold, Dc12
| SC***18 | Screw | 4 |
| SC***82 | Plug | 1 |
| SC***67 | Banjo | 1 |
Z25-11-1 Induction Manifold
| SC***58 | Pipe, Flange | 2 |
| SC***33 | O Ring, Inlet Manifold | 2 |
| SC***19 | Screw, M8 X 30 | 8 |
Z26-11-1 Exhaust Manifold
| SC***02 | Pipe, Expansion | 1 |
| SC***65 | Spacer | 8 |
| SC***67 | Manifold, Exhaust | 1 |
Z26-1-1 Exhaust Manifold
| SC***40 | Gasket | 1 |
| SC***64 | Spacer | 2 |
| SC***99 | Manifold, Exhaust | 2 |
Z27-11-1 Cylinder Head, Assembly
| SC***02 | Spring, Exhaust Valve, Outer | 16 |
| SC***22 | Head | 8 |
| SC***30 | Valve, Exhaust | 16 |
Z27-1-1 Cylinder Head, Assembly
| SC***02 | Spring, Exhaust Valve, Outer | 12 |
| SC***30 | Valve, Exhaust | 12 |
| SC***22 | Valve, Intake | 12 |
Z29-11-1 Oil Cooler, Dc16
| SC***33 | Cooler, Oil | 1 |
| SC***77 | Cover | 1 |
| SC***13 | Gasket, Cooling System | 1 |
Z29-1-1 Oil Cooler, Dc12
| SC***98 | Gasket | 1 |
| SC***18 | Gasket | 1 |
| SC***54 | Adapter | 1 |
Z30-11-1 Oil Level Dipstick, & Tube, Dc16
| SC***91 | Pipe | 1 |
| SC***47 | Adapter, Union, Straight | 1 |
| SC***26 | Flange Pipe | 1 |
Z30-1-1 Oil Level Dipstick, & Tube, Dc12
| SC***24 | Ferrule | 1 |
| SC***48 | Dipstick | 1 |
| SC***37 | Clip | 1 |
Z31-1-1 Oil Sump, Dc12
| 33***93 | Plate, Cover | 1 |
| SC***14 | Washer, Sealing | 1 |
| SC***22 | Screw, M8 X 60 | 27 |
Z31-11-1 Oil Sump, Dc16
| SC***14 | Washer, Sealing | 1 |
| SC***22 | Screw, M8 X 60 | 26 |
| SC***35 | Insert | 1 |
Z32-1-1 Oil Pump, Dc12
| SC***43 | Pipe | 1 |
| SC***22 | Screw, M8 X 60 | 4 |
| SC***46 | Pipe | 1 |
Z32-11-1 Oil Pump, Dc16
| SC***25 | Screw, M8 X 60 | 4 |
| SC***19 | Screw, M8 X 30 | 19 |
| SC***19 | O Ring | 2 |
Z32-2-1 Oil Pressure Sensor, Dc12
| SC***89 | Adapter | 1 |
| SC***45 | Pipe, Oil Pressure Sensor | 1 |
| SC***89 | Screw, M6 X 16 | 2 |
Z33-11-1 Flywheel Assembly, Dc16
| SC***95 | Bolt, M16 X 90 | 10 |
| SC***13 | Gear, Flywheel Ring | 1 |
Z33-1-1 Flywheel Assembly, Dc12
| SC***95 | Bolt, M16 X 90 | 10 |
| SC***88 | Flywheel, Assembly | 1 |
| SC***13 | Gear, Flywheel Ring | 1 |
Z34-1-1 Flywheel Housing
| SC***80 | O Ring | 1 |
| SC***51 | Housing, Flywheel | 1 |
| SC***18 | Terminal, Cable, Flat Socket | 2 |
Z34-11-1 Flywheel Housing, Dc16
| SC***80 | O Ring | 1 |
| SC***07 | Gasket, Flywheel Housing | 1 |
| SC***83 | Seal, Rear Oil | 1 |
Z35-1-1 Camshaft, & Timing Gears, Dc12
| SC***77 | Bearing, Ball | 2 |
| SC***94 | Gear | 1 |
| SC***21 | Shaft | 2 |
Z35-11-1 Camshaft, & Timing Gears, Dc16
| SC***66 | Gear | 1 |
| SC***77 | Bearing, Ball | 1 |
| SC***94 | Gear | 1 |
Z36-1-1 Timing Case & Covers, Dc12
| SC***67 | Plug | 1 |
| SC***37 | Cover | 1 |
| SC***25 | Screw, M8 X 60 | 2 |
Z36-12-1 Casing, Vibration Insulator, Dc16
| SC***60 | Gasket | 1 |
| SC***40 | Cover | 1 |
| SC***87 | O Ring | 1 |
Z36-11-1 Timing Case & Covers, Dc16
| SC***64 | Spring | 1 |
| SC***18 | Gasket | 2 |
| SC***10 | Stud, M10 X 50 | 2 |
Z37-11-1 Piston & Con-Rod, Assemblies, Dc16
| SC***29 | Pin, Gudgeon | 1 |
| SC***59 | Bush, Small End | 1 |
| SC***53 | Rod, Connecting | 8 |
Z37-1-1 Piston & Con-Rod, Assemblies, Dc12
| SC***29 | Pin, Gudgeon | 1 |
| SC***59 | Bush, Small End | 1 |
| SC***67 | Bolt, Con-Rod, M12 X 72 | 2 |
Z38-1-1 Crankshaft Assembly, Dc12
| SC***84 | Ring, Sealing | 1 |
| SC***84 | Crankshaft, Assembly | 1 |
| SC***04 | Gear, Crankshaft | 1 |
Z38-11-1 Crankshaft Assembly, Dc16
| SC***16 | Crankshaft | 1 |
| SC***89 | Screw | 12 |
| SC***04 | Gear, Crankshaft | 1 |
Z39-11-1 Cylinder Block, Assembly, Dc16
| SC***93 | O Ring | 1 |
| SC***18 | Cover | 1 |
| SC***17 | Plate | 1 |
Z39-1-1 Cylinder Block, Assembly, Dc12
| SC***08 | Tap, Drain | 1 |
| SC***18 | Terminal, Cable, Flat Socket | 2 |
| SC***89 | Screw, M6 X 16 | 1 |
Z43-11-1 Air Filter, Installation, Dc16
| 32***64 | Clip, Overcentre | 5 |
| 32***98 | Cover, Filter End | 1 |
| 32***99 | O Ring | 1 |
Z43-1-1 Air Filter, Installation, Dc12
| 32***05 | Valve, Dump | 1 |
| 32***00 | Indicator, Restriction | 1 |
| 32***64 | Clip, Overcentre | 2 |
Z44-11-1 Air Induction Hoses
| SC***32 | Sensor | 1 |
| SC***69 | Hose | 1 |
| SC***86 | Clamp, Hose | 2 |
Z45-12-1 Exhaust System, Canopy Build
| 32***23 | Cap, Rain | 1 |
| 32***66 | Clamp _u_ | 3 |
| 32***99 | Silencer, Exhaust Reactive | 1 |
Z45-1-1 Exhaust Silencer, Open Build
| 32***00 | Silencer, Exhaust | 1 |
| 32***23 | Cap, Rain | 1 |
| 32***96 | Pipe, Exhaust Stub | 1 |
Z45-11-1 Exhaust System, Canopy Build
| 32***23 | Cap, Rain | 1 |
| 32***25 | Silencer | 1 |
| 32***66 | Clamp _u_ | 3 |
Z46-11-1 Fan Guards, Dc16
| 33***08 | Bracket | 1 |
| 33***09 | Washer | 19 |
| SC***63 | Washer | 2 |
Z46-1-1 Drive Belt Guard, Dc12
| 33***06 | Guard, Drive Belt, Upper | 1 |
| 33***07 | Washer | 2 |
| SC***05 | Bracket | 3 |
Z47-11-1 Cooler Assembly, Dc16
| SC***45 | Tank, Expansion | 1 |
| SC***68 | Cap, Coolant Pressure | 1 |
| SC***67 | Sensor | 1 |
Z47-1-1 Cooler Assembly, Dc12
| 13***3D | Setscrew | 0 |
| 13***3D | Nut, M6 Lock | 0 |
| 30***68 | Radiator, Assembly | 1 |
Z48-11-1 Radiator, Hose & Pipework, Dc16
| SC***65 | Gasket | 1 |
| SC***82 | Pipe | 1 |
| SC***92 | Gasket | 1 |
Z48-12-1 Charge Air Cooler, Hose & Pipework, Dc12
| SC***91 | Hose | 3 |
| SC***18 | Screw | 2 |
| SC***24 | Clamp, 'V' | 1 |
Z48-1-1 Radiator/Cooler, Hose & Pipework, Dc12
| 30***79 | Clip | 10 |
| 30***80 | Gasket, Flange | 1 |
| 30***81 | Plate, Clamping | 1 |
Z49-1-1 Cooling Fan & Spacer
Z50-1-1 Fuel Pipes, Fuel Tank To Filter
| 13***0D | Setscrew, M10 X 40mm | 4 |
| 13***3D | Nut, Self Lock M10 | 4 |
| 14***8D | Washer, M10 | 4 |
Z51-11-1 Fuel Filter, Sediment ( Racor )
| 32***11 | Filter, Fuel, Assembly | 1 |
| 32***12 | Element, Fuel Filter | 1 |
| 32***41 | O Ring | 1 |
Z57-1-1 Engine Oil Drain
| 14***21 | Seal, Bonded 3/4" Bsp | 1 |
| 22***03 | Clip, Jubilee | 2 |
| 32***71 | Adapter, 1/2"Bsp M 1/2"Tail | 2 |
Z60-2-1 Base & Fittings
| 13***8D | Setscrew, M10 X 30 | 0 |
| 13***8D | Setscrew, M16 X 30mm | 8 |
| 13***3D | Nut, Self Lock M10 | 0 |
Z60-11-1 Fuel Tank
| 32***18 | Cap, Fuel Tank | 1 |
| 32***65 | Gauge Fuel | 1 |
| 32***77 | Plug, 1.5"Bsp | 2 |
Z60-1-1 Base & Fittings
| 13***8D | Setscrew, M10 X 30 | 0 |
| 13***8D | Setscrew, M16 X 30mm | 8 |
| 13***3D | Nut, Self Lock M10 | 0 |
Z60-5-1 Lifting Bracket, (Optional)
| 13***6D | Bolt, M20 X 70mm | 8 |
| 13***3D | Nut, M20, 2.5 Pitch; San 10***25 | 8 |
| 14***2D | Washer, Plain | 16 |
Z61-3-1 Canopy, Front Section
| 13***5D | Setscrew, M8x20 | 28 |
| 13***7D | Setscrew, M10 X 25mm Long | 2 |
| 13***3D | Nut, Self Lock M10 | 2 |
Z61-4-1 Canopy, Rear Section
| 13***5D | Setscrew, M8x20 | 20 |
| 14***7D | Washer, M8 Plain | 20 |
| 14***7D | Washer, M8 Spring | 20 |
Z61-21-1 Canopy Soundproofing
| 32***16 | Kit-Panel, Foam Backed, Centre Section | 1 |
| 32***17 | Kit-Panel, Sound Proofing, Centre Section | 1 |
| 32***18 | Kit-Panel, Foam Backed, Front Section | 1 |
Z61-2-1 Canopy, Middle Section
| 13***5D | Setscrew, M8x20 | 78 |
| 14***7D | Washer, M8 Plain | 78 |
| 14***7D | Washer, M8 Spring | 78 |
Z61-1-1 Canopy Assembly
| 32***84 | Canopy, Assembly | 1 |
| 32***85 | Canopy, Middle Section | 1 |
| 32***86 | Canopy, Front Section | 1 |
Z62-4-1 Alternator, Hci544d
| 32***22 | Kit-Rectifier | 1 |
| 32***23 | Regulator, As440; Sa465 See Bulletin | 1 |
| 32***24 | Bearing | 1 |
Z62-11-1 Alternator, Accessories
| 13***8D | Bolt, M6 X 30 | 6 |
| 13***5D | Bolt, M10x35 | 8 |
| 13***3D | Nut, Self Lock M10 | 8 |
Z62-1-1 Alternator, Hci444d
| 32***02 | Alternator | 1 |
| 32***22 | Kit-Rectifier | 1 |
| 32***23 | Regulator, As440; Sa465 See Bulletin | 1 |
Z62-3-1 Alternator, Hci444f
| 32***21 | Alternator, Assembly | 1 |
| 32***22 | Kit-Rectifier | 1 |
| 32***23 | Regulator, As440; Sa465 See Bulletin | 1 |
Z62-2-1 Alternator, Hci444e
| 32***19 | Alternator | 1 |
| 32***22 | Kit-Rectifier | 1 |
| 32***23 | Regulator, As440; Sa465 See Bulletin | 1 |
Z63-1-1 Control Box & Panel, Assemblies
| 13***1D | Screw, Set M6x12 | 2 |
| 13***5D | Setscrew, M8x20 | 8 |
| 14***6D | Washer, M6 Plain | 2 |
Z64-11-1 Circuit Breaker Box, Assembly
| 32***22 | Harness, Power | 1 |
| 32***70 | Harness, Power | 1 |
Z64-1-1 Circuit Breaker Box, Assembly
| 13***8D | Bolt, M6 X 30 | 12 |
| 13***5D | Setscrew, M8x20 | 10 |
| 13***7D | Setscrew, M8x25 | 2 |
Z65-1-1 Engine Electrics
| 13***8D | Bolt, M10 X 30mm Lg | 2 |
| 14***8D | Washer, M10 | 2 |
| 14***8D | Washer, Spring, M10 | 2 |
Z65-11-1 Battery Installation
| 13***5D | Setscrew, M8x20 | 2 |
| 13***5D | Setscrew, M10 X 20 | 4 |
| 13***3D | Nut, Self Lock M8 | 1 |
Frequently asked questions
What engine does the JCB G330 use?
The JCB G330 generator set utilizes JCB’s Dieselmax or EcoMAX engine technology, consistent with the brand’s construction and industrial equipment. Specific engine displacement, horsepower, or tier compliance for the G330 is not documented in the provided sources.
What is the operating weight of the JCB G330?
The operating weight of the JCB G330 generator set is not specified in the provided sources. Weights for other JCB models such as the JS330 excavator (72,089 lbs) and 330 skid steer (4.42 tons) are documented but do not apply to the G330.
What model replaced the JCB G330?
The provided sources do not document the successor or replacement model for the JCB G330 generator set. The G-series family includes variants such as the G350, G380, G400, G440, and G550, but specific lineage or replacement data for the G330 is not available.
What G330 owners discuss
What engine powers the JCB G330 generator set, and what are the common failure modes for this engine family?
The JCB G330 generator set uses a JCB Dieselmax engine. Common failure modes for this engine family include big end bearing failures on the crankshaft in early Dieselmax engines (Tier 2 and early Tier 3), particularly if oil change intervals are stretched. Fuel injection pump faults are also common on earlier mechanical and early electronic versions. Low power output and difficulty starting are frequent concerns, often linked to battery issues or complex fuel system faults.
What are the typical hydraulic and powertrain behaviors reported for JCB machines, and what should be checked if movement is intermittent?
JCB machines utilize a true multipurpose oil suitable for transmissions (including wet brake systems) and hydraulics. Brown sludge in the expansion bottle indicates silicate separation, requiring coolant changes at recommended intervals. For powertrain issues, such as a machine revving but not moving in one direction (common in older models like the 3CX), check the forward/reverse lever microswitches that activate hydraulic solenoids on the transmission body. Also verify hydraulic oil levels and clean the strainer, as low fluid or a clogged strainer can cause slow or non-functional hydraulics, especially when the machine is tilted.
What are the known undercarriage or wear patterns for JCB crawler excavators like the JS330 series?
JCB crawler excavators feature a reinforced undercarriage and robust upper structure to support heavy weight and demanding digging loads. Wear patterns typically involve the undercarriage components due to the machine's heavy operating weight (up to 39,904 kg / 87,973 lb for long-reach configurations). Maintaining the undercarriage with high-performance components is critical to support the machine's heavy weight and demanding digging loads.
What are the common electrical or sensor issues associated with JCB machinery?
Electrical issues often involve the control switches, joysticks, engine monitors, and sensors. In skid steer loaders, wiring harnesses and side entrance components are prone to damage, with some reports of wiring being white in color on specific models like the Teleskid. Intermittent operation can also stem from faulty microswitches in the transmission control linkage.
What specific items should be checked when buying a used JCB G330 generator set?
When buying a used JCB G330 generator set, verify the engine serial number and model year using the 17-digit PIN format (post-2001). Check for signs of silicate separation in the coolant (brown sludge). Inspect the fuel system for injection pump faults, especially on Tier 2/early Tier 3 engines. Verify the condition of the big end bearings if the engine has seen extended oil change intervals. Ensure the JCB Digital Control Panel and alternator are functioning correctly. Check the operator’s manual (Publication No. the OEM part reference) for specific maintenance history and technical data relevant to the serial range.
What safety-critical fix is associated with the JCB G330's engine management system?
Ensure the engine management system is properly calibrated and that all sensors are functioning to prevent unexpected shutdowns or power loss during operation. Have your dealer verify the engine management system calibration and sensor integrity.
What fluid specifications are recommended for JCB machines, and are there specific warnings about coolant?
JCB recommends using JCB branded fluids that have been verified for use, including JCB 15W/40 Multigrade oil for temperatures between -10°C to 50°C (14°F to 122°F) and JCB Super Universal Agricultural oil for -15°C to 30°C (5°F to 86°F). Engine coolant must be changed at recommended service intervals because brown sludge in the expansion bottle indicates silicate separation, which compromises corrosion protection.
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 G330. Related factory variants of the same model family:
G330G330
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