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Jcb G80R
Maintenance schedule, common problems & OEM parts breakdown
The JCB G80R is a generator set within the JCB industrial power range, distinct from the manufacturer's construction machinery line. It is part of a series that includes the G50R, G55X, G66X, G88X, G110X, and G120X models. The machine utilizes a JCB industrial engine, specifically a DieselMax or EcoMAX series unit depending on the specific generation and emissions tier, though exact engine displacement and horsepower ratings vary by configuration and are not uniformly documented for the G80R in the available technical data. The G80R is designed for stationary or mobile power generation applications, featuring a JCB Digital Control Panel and an alternator assembly. It does not share the undercarriage, hydraulic, or chassis specifications of JCB excavators or backhoe loaders.
The G80R belongs to a family of generator sets that share common maintenance philosophies, such as the 500-hour engine oil interval characteristic of JCB's non-DEF DieselMax and EcoMAX engines. While specific serial ranges and production years for the G80R are not detailed in the provided sources, the model is covered by Operator’s Manual EN-the OEM part reference Issue 2 (May 2008). The machine's significance in the used market lies in its robust industrial engine platform, which shares fluid and filter specifications with other JCB industrial applications. Maintenance intervals for the G80R follow the additive 10/the OEM part reference/2000-hour schedule, with the 500-hour oil change being a critical cost-saving interval compared to competitors with shorter service lives. The G80R is not a direct predecessor or successor to JCB construction models like the 3CX or JS series, but rather a parallel product line focused on power generation.
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 G80R specifications
Engine
| Machine Type | Generator Set |
| Model | G80R |
| Notes | Specific engine model, power, displacement, cylinders, or emissions tier are not documented in the provided source text. The source text is an operator's manual index and does not contain the 'Engine – Technical Data and Specifications' table. |
Weights
| Operating Weight | Not documented for this exact serial range — verify with your dealer |
| 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 | Not documented for this exact serial range — verify with your dealer |
| Transport Width | Not documented for this exact serial range — verify with your dealer |
| Transport Height | Not documented for this exact serial range — verify with your dealer |
| Other Dimensions | Not documented for this exact serial range — verify with your dealer |
Performance
| Travel Speed | Not documented for this exact serial range — verify with your dealer |
| Lift/Dig/Dump/Drawbar | Not documented for this exact serial range — verify with your dealer |
| Gradeability | Not documented for this exact serial range — verify with your dealer |
Service capacities (summary)
| Fuel Tank | Not documented for this exact serial range — verify with your dealer |
| Hydraulic System | Not documented for this exact serial range — verify with your dealer |
| Engine Oil | Not documented for this exact serial range — verify with your dealer |
| Cooling System | Not documented for this exact serial range — verify with your dealer |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
Jcb G80R maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the G80R beyond the schedule
Predictive Maintenance & Fluid Analysis
At the 500-hour interval, take oil samples from the engine, hydraulic system, axle, and final drive for laboratory baseline analysis. This is the first major service point where fluid condition is assessed. Inspect the hydraulic return filter magnet for metallic debris before disposal. At 1000 hours, interpret hydraulic samples against the 500-hour baseline to determine if intervals should be extended or compressed. Monitor coolant condition to prevent silicate separation, indicated by brown sludge in the expansion bottle, which necessitates timely replacement with JCB-spec long-life coolant.
Corrective & Common Repairs
Common failures include hydraulic pump issues on older models, often linked to contaminated fluid. 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. Load test the alternator and starter at 1000 hours to catch failing electrical components. Inspect all hoses and cylinders for chafing, pinhole seepage, and cylinder rod scoring. Ensure the hydraulic filler cap and tank breather are clean to prevent contamination ingress.
Overhaul & Rebuild Points
The 2000-hour service is the primary deep-service milestone. Drain the hydraulic tank completely, clean the tank interior, and refill with JCB-spec hydraulic oil. Inspect structural components including the boom, arm, loader arm, chassis, and side frames for cracking or unauthorized welding. Measure swing ring radial and axial play using a dial indicator. Service brakes by checking disc wear and immersed brake condition. Check injector spray patterns via the diagnostic tool and replace injectors as required. Perform a complete electrical system test to identify intermittent faults.
Seasonal & Environment Servicing
Use JCB Super Universal Agricultural oil for temperatures between -15°C and 30°C. Use JCB 15W/40 Multigrade oil for temperatures between -10°C and 50°C. Check battery electrolyte levels in non-sealed units and clean terminals. Inspect the cab HVAC system, including A/C pressure and evaporator condition, to ensure operator comfort in extreme temperatures. Store the machine under cover to reduce corrosion. Ensure the cooling system is pressure tested and hoses inspected before seasonal changes to prevent catastrophic engine damage from overheating or freezing.
G80R common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 32/925705 | Element, Fuel Sediment/Water, 150 Microns | Fuel system service | Check fitment → |
| 32/925694 | Element, Fuel Filter | Fuel system service | Check fitment → |
| 32/925717 | Filter, Fuel Sediment, 30 Micron | Fuel system service | Check fitment → |
| 320/20166 | G.A, Fuel Filter & Lp Pipes Na & Tc, Genset | Fuel system service | Check fitment → |
| 320/04114 | Retainer, 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.
G80R fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| P0087 | Fuel Rail Pressure Too Low | Clogged fuel filters, failing lift pump, or restricted fuel line. | Check fuel filter condition and fuel supply pressure. |
| P0117 | Engine Coolant Temperature Sensor Circuit Low Voltage | Faulty coolant temperature sensor, shorted wiring harness, or poor ground connection. | Inspect sensor connector for corrosion and test sensor resistance. |
| P0521 | Engine Oil Pressure Sensor Range/Performance Issue | Low oil level, faulty oil pressure sensor, or sensor wiring fault. | Verify oil level and inspect sensor electrical connections. |
| P2047 | Reductant Injector Circuit Open (SCR System) | Open circuit in the DEF/AdBlue injector wiring or faulty injector solenoid. | Inspect injector wiring harness and connector pins for damage. |
| U0100 | Lost Communication with Engine Control Module (ECM) | Damaged CAN bus wiring, loose connector, or low system voltage. | Check battery voltage and inspect CAN bus wiring continuity. |
| 101 | Low Transmission Clutch Pressure | Low transmission fluid level, faulty pressure sensor, or internal transmission leak. | Check transmission fluid level and inspect for external leaks. |
| F01 | Engine ECU Failure | ECU power supply issue, internal ECU fault, or main harness disconnect. | Verify ECU power and ground connections; check for loose plugs. |
| E420 | Low Hydraulic Pressure | Low hydraulic oil level, worn main pump, or relief valve malfunction. | Check hydraulic oil level and inspect for audible pump cavitation. |
| E512 | Low Voltage Detected | Weak battery, failing alternator, or loose battery terminals. | Test battery charge and alternator output voltage. |
| D901 | Communication Error with Display Unit | Faulty display module, broken CAN bus link, or loose display connector. | Reseat display connectors and check CAN bus wiring integrity. |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
G80R attachments & work tools
Generators
The JCB G80R is a generator set model, not a construction excavator or loader. Factory documentation lists the G80R alongside other generator variants such as the G50R, G55X, and G66X. These units are designed for power generation rather than earthmoving or material handling tasks.
Work Tools
No work tools or earthmoving attachments are applicable to the JCB G80R. The machine is a stationary or mobile power generation unit and does not feature a boom, arm, or quick-coupler system for mounting buckets, breakers, or grapples.
Coupler/Mounting Systems
The JCB G80R does not utilize a quickhitch, pin-on, or hydraulic coupler system. As a generator set, it lacks the structural mounting points and hydraulic circuits required for work-tool attachment.
Hydraulic Kit/Arrangement
The G80R does not require a hydraulic kit for work tools. Its hydraulic systems are internal to the generator set operation and are not configured for external attachment control.
Factory Configurations/Guarding
Factory configurations for the G80R focus on engine type, alternator specifications, and control panel options. Safety guarding includes standard engine enclosures and alternator protection, not work-tool specific guarding.
All G80R assemblies by section
Every catalogued assembly group for the Jcb G80R. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Z Electrical Power Generation, Unit
Z0-6-1 Generator Set, G80r 80kva, 50hz 380/415v Prime
| 32***23 | Jcb, Generator G80r, 80kva | 1 |
Z0-2-1 Generator Set, G55 50kva, 50hz 380/415v Prime
| 32***19 | Jcb, Generator G55, 50kva | 1 |
Z0-8-1 Generator Set, G88q 80kva, 50hz 380/415v Prime
| 32***25 | Jcb, Generator G88q, 80kva | 1 |
Z0-1-1 Generator Set, G50r 50kva, 50hz 380/415v Prime
| 32***18 | Jcb, Generator G50r, 50kva | 1 |
Z0-4-1 Generator Set, G63 60kva, 50hz 380/415v Prime
| 32***21 | Jcb, Generator G63, 60kva | 1 |
Z0-7-1 Generator Set, G88 80kva, 50hz 380/415v Prime
| 32***24 | Jcb, Generator G88q, 80kva | 1 |
Z0-5-1 Generator Set, G63q 60kva, 50hz 380/415v Prime
| 32***22 | Jcb, Generator G63q, 60kva | 1 |
Z0-3-1 Generator Set, G55q 50kva, 50hz 380/415v Prime
| 32***20 | Jcb, Generator G55q, 50kva | 1 |
Z1-2-1 Engine, Complete, 320/50015
| 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, Complete, 320/50014
| 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 |
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 |
Z2-1-1 Service Tools
| 32***20 | Bracket, Engine Lifting | 1 |
| 89***46 | Tool, Fitting, Core Plug | 1 |
| 89***47 | Tool, Crankshaft Turning | 1 |
Z3-1-1 Lubricants Primers, & Sealants
| 32***28 | Sealant, 620 | 0 |
| 32***29 | Lubricant, O Ring, P80 | 0 |
| 32***30 | Sealant, 5900 | 0 |
Z4-4-1 Seal Kit, Oil Pan
| 32***30 | Sealant, 5900 | 1 |
| 32***50 | O Ring | 2 |
| 32***62 | Seal, Oil-Pick-Up | 1 |
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 |
Z4-1-1 Seal Kit, Rocker Cover
| 32***92 | O Ring, Oil Filler Cap | 1 |
| 32***87 | Cap, Fuel Injector | 4 |
| 32***88 | Cap, Fuel Pipe | 8 |
Z4-3-1 Gasket Set, Bottom Overhaul
| 32***31 | Sealant, 518 | 1 |
| 32***29 | Seal, Rear Oil | 1 |
| 32***19 | Seal, Front Oil | 1 |
Z4-2-1 Gasket Set, Top Overhaul
| 32***08 | Gasket, Cylinder Head | 1 |
| 32***33 | Seal, Valve Stem | 16 |
| 32***40 | O Ring | 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***18 | Kit-Bottom Gasket | 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 |
Z5-1-1 Engine, Short, 320/40059
| 32***29 | Seal, Rear Oil | 1 |
| 32***19 | Seal, Front Oil | 1 |
| 32***16 | Kit-Top Gasket, Naturally Aspirated | 1 |
Z5-6-1 Kit-Engine Overhaul, Standard, Tc
| 32***40 | Bolt, Con-Rod, M8 X 57 | 8 |
| 32***11 | Kit-Piston, Standard, Turbo | 4 |
| 32***17 | Kit-Top Gasket, Turbo Engine | 1 |
Z5-6-3 Kit-Engine Overhaul, Oversize - 1.00mm, Tc
| 32***40 | Bolt, Con-Rod, M8 X 57 | 8 |
| 32***17 | Kit-Top Gasket, Turbo Engine | 1 |
| 32***18 | Kit-Bottom Gasket | 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 |
Z5-4-1 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 |
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***18 | Kit-Bottom Gasket | 1 |
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 |
Z5-6-2 Kit-Engine Overhaul, Oversize - 0.50mm, Tc
| 32***40 | Bolt, Con-Rod, M8 X 57 | 8 |
| 32***17 | Kit-Top Gasket, Turbo Engine | 1 |
| 32***18 | Kit-Bottom Gasket | 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 |
Z6-4-1 Primary Fuel Filter, Element, Cold Climate
| 32***05 | Element, Fuel Sediment/Water, 150 Microns | 1 |
| 32***33 | Seal, O'Ring | 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 |
Z6-1-1 Fuel Filter
| 13***5Z | Bolt, Flange Head, M8 X 20 Lg | 1 |
| 21***07 | Pin, Tension | 1 |
| 32***14 | Retainer, Fuel Filter | 1 |
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 |
Z8-1-1 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 |
Z8-3-2 Lower Idler Pulley
| 13***5Z | Bolt, Flange Head, M8 X 65 | 3 |
| 22***62 | Circlip, Internal | 1 |
| 32***22 | Pulley, Idler, D=124mm | 1 |
Z8-2-1 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 |
Z12-1-1 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 |
Z12-2-1 Fuel Pipework, Low Pressure
| 32***39 | Bolt, Banjo M12 | 2 |
| 32***71 | G.A, Ga Fuel Pipes(Hp/Lp), Genset | 1 |
| 32***33 | Ring, Snap | 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 |
Z13-1-1 Fuel Injector
| 32***93 | Bolt, Injector Clamp | 4 |
| 32***39 | Clamp, Fuel Injector | 4 |
| 32***24 | Seal, Injector | 1 |
Z13-2-1 Fuel Injector, Tc
| 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 |
Z15-2-1 Fuel Injection Pump, 12v - 86kw
| 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 |
Z15-50-1 Injection Pump, Service Parts
| 32***74 | Kit-Regulator | 1 |
| 32***75 | Kit-Timing Window | 1 |
| 32***76 | Kit-Plug | 1 |
Z15-4-1 Fuel Injection Pump, 12v - 89kw
| 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 - 55kw
| 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 |
Z19-1-1 Rocker Cover
| 32***90 | Cap, Oil Filler, Assembly | 1 |
| 32***92 | O Ring, Oil Filler Cap | 1 |
| 32***73 | Spring, Ccv Valve | 1 |
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 |
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 |
Z20-1-1 Rocker Shaft, Assembly
| 13***6Z | Bolt, M8 X 70 | 1 |
| 32***23 | Washer, Spring | 4 |
| 32***02 | Bolt, M8 X 55 | 7 |
Z20-2-1 Rocker Shaft, Assembly
| 13***6Z | Screw, Star Drive, M8 X 70 | 1 |
| 32***23 | Washer, Spring | 4 |
| 32***02 | Bolt, M8 X 55 | 7 |
Z21-2-1 Pushrods & Tappets
| 32***24 | Tappet, Valve | 8 |
| 32***77 | Rod, Push | 8 |
Z21-1-1 Valve Tappets & Push, -Rods
| 32***15 | Rod, Push | 8 |
| 32***24 | Tappet, Valve | 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 |
Z23-2-1 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 |
Z23-1-1 Turbo Pipework
| 13***3Z | Screw, M6x16 | 2 |
| 13***5Z | Screw, Star Drive, M8 X 20 | 2 |
| 32***51 | O Ring | 2 |
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 |
Z25-2-1 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 |
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 |
Z26-2-1 Exhaust Manifold, Tc
| 32***00 | Manifold, Exhaust | 1 |
| 32***45 | Bolt, M10 X 57 | 8 |
| 32***80 | Gasket, Exhaust Manifold | 1 |
Z26-1-1 Exhaust Manifold
| 32***04 | Gasket, Exhaust Manifold | 1 |
| 32***20 | Manifold, Exhaust | 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 |
Z29-1-1 Oil Cooler
| 13***5Z | Bolt, Flange Head, M8 X 20 Lg | 5 |
| 13***7Z | Screw, Star Drive, M8 X 25 | 11 |
| 21***07 | Pin, Tension | 1 |
Z30-1-1 Oil Level Dipstick, & Tube, Standard
| 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 | 1 |
| 32***72 | Flywheel, Assembly | 1 |
| 32***74 | Bolt, M14 X 100 Special | 8 |
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***15 | Hub, Idler Gear | 1 |
| 32***17 | Bolt, Pan Head, M10 X 60mm | 3 |
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 |
Z37-2-1 Piston & Con-Rod, Assemblies, Tc
| 32***17 | Bush, Small End | 1 |
| 32***40 | Bolt, Con-Rod, M8 X 57 | 2 |
| 32***50 | Circlip | 2 |
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 |
Z38-1-1 Crankshaft Assembly
| 13***1Z | Screw, Star Drive, M10 X 45 | 1 |
| 21***05 | Dowel, Pin | 2 |
| 32***19 | Seal, Front Oil | 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 |
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 |
Z43-1-1 Air Filter, Installation
| 13***9Z | Setscrew, M8x35 | 2 |
| 13***7Z | Screw, M10 X 25 | 3 |
| 16***77 | Cap, Rain | 1 |
Z45-2-1 Exhaust Silencer, Open Build, Turbo
| 02***35 | Nut, Anti-Seize | 4 |
| 32***97 | Silencer, Exhaust | 1 |
| 32***53 | Clamp, "U" | 1 |
Z45-11-1 Exhaust System, Canopy Build, Nat/Aspirated
| 02***16 | Nut | 4 |
| 13***5D | Setscrew, M10 X 20 | 4 |
| 14***8D | Washer, M10 | 4 |
Z45-1-1 Exhaust Silencer, Open Build, Nat/Aspirated
| 02***16 | Nut | 4 |
| 32***06 | Gasket | 1 |
| 32***63 | Stud, M8 X 1.25 | 4 |
Z45-12-1 Exhaust System, Canopy Build, Turbo
| 02***35 | Nut, Anti-Seize | 3 |
| 13***5D | Setscrew, M10 X 20 | 4 |
| 14***8D | Washer, M10 | 4 |
Z46-2-1 Radiator & Fittings
| 30***54 | Radiator, Assembly | 1 |
| 30***55 | Cap, Radiator Pressure | 1 |
Z46-1-1 Radiator & Fittings, Naturally Aspirated
| 30***53 | Radiator, Assembly | 1 |
| 30***55 | Cap, Radiator Pressure | 1 |
Z46-11-1 Fan Guards
| 13***3D | Setscrew | 24 |
| 14***6D | Washer, M6 Plain | 24 |
| 14***6D | Washer, Spring, M6 | 24 |
Z48-11-1 Radiator, Coolant Drain
| 32***70 | Valve, 1/2"Bsp Female, 1/2"Bsp Male | 1 |
| 32***71 | Adapter, 1/2"Bsp M 1/2"Tail | 2 |
| 32***72 | Hose, Fuel 1/2"Bore | 1 |
Z48-1-1 Radiator, Hose & Pipework
| 30***58 | Clip, Hose | 4 |
| 83***74 | Hose, Top Radiator | 1 |
| 83***75 | Hose, Bottom Radiator | 1 |
Z49-1-1 Cooling Fan & Spacer
| 13***8D | Bolt | 4 |
| 14***7D | Washer, M8 Plain | 4 |
| 14***7D | Washer, M8 Spring | 4 |
Z50-1-1 Fuel Pipes, Fuel Tank To Filter
| 32***16 | Hose, Fuel Supply | 2 |
| 32***68 | Clip, 6mm Hose | 4 |
| 32***74 | Adapter, 3/8" Male 3/8"Male | 2 |
Z51-11-1 Filter, Fuel Sedimenter, (Racor)
| 32***09 | Filter, Fuel, Assembly | 1 |
| 32***10 | Element, Fuel Filter | 1 |
| 32***41 | O Ring | 1 |
Z57-1-1 Engine Oil Drain
| 14***19 | Seal, Dowty | 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, M12 X 30 | 0 |
| 13***3D | Nut, Self Lock M10 | 0 |
Z60-11-1 Fuel Tank
| 32***18 | Cap, Fuel Tank | 1 |
| 32***10 | Tank, Fuel | 1 |
| 32***64 | Plug, Male 3/8"Bsp, Socket Head | 1 |
Z60-5-1 Lifting Bracket, (Optional)
| 13***2D | Setscrew, M16 X 50mm | 8 |
| 13***3Z | Nut | 8 |
| 14***1D | Washer, M16 | 16 |
Z60-1-1 Base & Fittings
| 13***8D | Setscrew, M10 X 30 | 0 |
| 13***8D | Setscrew, M12 X 30 | 0 |
| 13***3D | Nut, Self Lock M10 | 0 |
Z61-1-1 Canopy Assembly
| 13***5D | Setscrew, M8x20 | 74 |
| 13***3D | Nut, Self Lock M8 | 22 |
| 14***7D | Washer, M8 Plain | 74 |
Z61-21-1 Canopy Soundproofing
| 32***14 | Kit-Panel, Foam Foil Backed, Centre Section | 1 |
| 32***15 | Kit-Panel, Foam Soundproofing, Centre Section | 1 |
| 32***39 | Kit-Panel, Soundproofing, End Cap Sections | 1 |
Z62-2-1 Alternator, Uci 224e-16
| 32***08 | Regulator, A.V.R Sx460 | 1 |
| 32***57 | Bearing, Nde | 1 |
| 32***69 | Alternator | 1 |
Z62-1-1 Alternator, Uci 224d-16
| 32***08 | Regulator, A.V.R Sx460 | 1 |
| 32***56 | Alternator | 1 |
| 32***57 | Bearing, Nde | 1 |
Z62-3-1 Alternator, Uci 224g-16
| 32***08 | Regulator, A.V.R Sx460 | 1 |
| 32***57 | Bearing, Nde | 1 |
| 32***99 | Kit-Rectifier, Service | 1 |
Z62-12-1 Alternator, Accessories
| 32***17 | Unit, Current Transformer, 200-5a | 1 |
| 32***31 | Kit, Voltage Monitor | 1 |
| 32***32 | Kit, Fuse 1a (10 Off) | 1 |
Z62-11-1 Alternator, Accessories
| 32***64 | Unit, Current Transformer | 1 |
| 32***31 | Kit, Voltage Monitor | 1 |
| 32***32 | Kit, Fuse 1a (10 Off) | 1 |
Z63-2-1 Control Box Assembly
| 13***3D | Setscrew | 2 |
| 13***5D | Setscrew, M6 X 20mm Long | 4 |
| 13***5D | Setscrew, M8x20 | 4 |
Z63-11-1 Control Unit, Box & Panel Assemblies
| 13***3D | Setscrew | 4 |
| 13***5D | Setscrew, M6 X 20mm Long | 4 |
| 14***6D | Washer, M6 Plain | 8 |
Z63-1-1 Control Box Assembly
| 13***3D | Setscrew | 2 |
| 13***5D | Setscrew, M6 X 20mm Long | 4 |
| 13***5D | Setscrew, M8x20 | 4 |
Z63-12-1 Control Unit, Box & Panel Assemblies
| 13***3D | Setscrew | 4 |
| 13***5D | Setscrew, M6 X 20mm Long | 4 |
| 14***6D | Washer, M6 Plain | 8 |
Z64-3-1 Circuit Breaker Box, Assembly
| 13***5D | Screw, M5x20 | 6 |
| 13***5D | Setscrew, M6 X 20mm Long | 14 |
| 13***0D | Screw, Set | 2 |
Z64-2-1 Circuit Breaker Box, Assembly
| 13***5D | Screw, M5x20 | 6 |
| 13***5D | Setscrew, M8x20 | 4 |
| 13***8D | Setscrew, M10 X 30 | 1 |
Z64-11-1 Circuit, Breaker, Box Assembly
| 13***5D | Setscrew, M6 X 20mm Long | 86 |
| 13***5D | Setscrew, M8x20 | 37 |
| 14***6D | Washer, M6 Plain | 86 |
Z64-12-1 Circuit, Breaker, Box Assembly
| 13***5D | Setscrew, M6 X 20mm Long | 86 |
| 13***5D | Setscrew, M8x20 | 37 |
| 14***6D | Washer, M6 Plain | 86 |
Z64-1-1 Circuit Breaker Box, Assembly
| 13***5D | Screw, M5x20 | 6 |
| 13***5D | Setscrew, M8x20 | 4 |
| 13***3D | Nut, Self Lock M8 | 1 |
Z65-1-1 Engine Electrics
| 13***8D | Setscrew, M10 X 30 | 2 |
| 13***5D | Screw, M12 X 20mm Long | 2 |
| 13***3Z | Screw, M4 X 16 | 4 |
Z65-11-1 Battery Installation
| 13***5D | Setscrew, M8x20 | 2 |
| 13***5D | Setscrew, M10 X 20 | 4 |
| 13***3D | Nut, Self Lock M8 | 2 |
G80R serial number reference
For the G80R generator, the machine identification plate is located on the generator frame or skid, consistent with JCB generator set documentation for the 9811 series. Verify the specific serial range (1650000–1699999) against the plate to confirm applicability with a JCB dealer.
| Prefix | Identifies | Notes |
|---|---|---|
| 1650000 to 1699999 | Applicability for JCB G50R, G80R, G55X, G55QX, G66X, G66QX, G88X, G88QX, G110X, G110QX, G120X, G120QX generators. Source: Factory Operators Manual for JCB Generator Set (Manual 9811-3400/120). |
Frequently asked questions
What engine does the JCB G80R use?
The JCB G80R uses a JCB industrial engine, typically a DieselMax or EcoMAX series unit. Specific displacement and horsepower ratings vary by configuration and emissions tier. The engine serial number is 17 digits and located on a plate on the engine block.
What is the operating weight of the JCB G80R?
The operating weight of the JCB G80R is not specified in the available technical data. Weight varies by configuration, attachment package, and regional emissions package. Consult the specific serial range specification sheet for precise values.
What model replaced the JCB G80R?
The available sources do not specify a direct successor model to the JCB G80R. The G80R is part of a generator set family that includes the G50R, G55X, G66X, G88X, G110X, and G120X. Verify replacement or upgrade options with a JCB dealer using the machine's specific serial number.
What G80R owners discuss
What engine generation and common failure modes are associated with the JCB 444 series found in these machines?
The JCB 444 engine series spans from early Tier 2 Dieselmax units to later Tier 4i and T4 Final EcoMax variants. Early Dieselmax engines are prone to big end bearing failures on the crankshaft, particularly if oil change intervals are extended. Fuel injection pump faults are also common on these earlier mechanical and electronic engines. Later common rail engines (Tier 4i/T4 Final) are more sensitive to fuel quality and typically suffer from injector faults, which can cause rough running, white smoke, and poor starting. Worn piston rings and accelerated bore wear are also noted in dusty operating environments.
What are the typical hydraulic and transmission behaviors reported for JCB skid steer and telehandler models?
Operators report that JCB skid steer machines often utilize white wiring harnesses. Transmission issues can manifest as a loss of forward movement while reverse remains functional. This is frequently caused by electrical faults in the microswitches activated by the forward/reverse lever, which control hydraulic solenoids located on the transmission body under the cab. Cleaning filters and replacing fluids may not resolve the issue if the root cause is electrical or solenoid-related.
What undercarriage and wear patterns are typical for JCB excavators like the 801.4 and 8018?
For the JCB 801.4 excavator, the sprocket idler center distance is 1027 mm (3 ft 4 in). Undercarriage wear is a standard consideration for this class. For the JCB 8018 mini excavator, track and undercarriage problems are listed among the top four common issues. Operators in dusty regions (e.g., West Africa) report that standard air filtration is overwhelmed by fine dust, leading to accelerated piston ring and bore wear, which indirectly increases engine load and stress on drivetrain components.
What are the common electrical and sensor issues reported by JCB owners?
Starting problems are the most frequent reason owners seek help, often stemming from flat batteries or fuel system faults rather than the engine itself. JCB 444 engines require strong crank speeds (at least 12.4V for 12V systems or 24.8V for 24V systems) to fire. Cold starting issues are often linked to failed glow plug relays or timers. Electrical wiring faults can cause intermittent power loss or malfunctioning controls. On skid steer models, the white wiring harnesses have been specifically noted by technicians.
What specific items should be checked when buying a used JCB G80R generator set?
When inspecting a used JCB G80R generator set, verify the engine identification data plate to determine the specific generation (e.g., Tier 2 vs. Tier 4i) as failure modes differ. Check the JCB Digital Control Panel for fault codes. Inspect the alternator and engine mounting rubbers for deterioration. Review the service history for fuel filter changes and coolant condition. Ensure the engine starts reliably in cold weather by testing the glow plug system. Verify that the digital control panel functions correctly and there are no signs of coolant leaks or excessive oil consumption from the crankcase breather.
What are the recommended fluid specifications and capacities for routine maintenance of JCB machines?
JCB recommends using JCB branded fluids verified for use, though equivalent alternatives are permitted. For the JCB 801.4, the hydraulic system holds 17 L (4.5 gal) of ISO 46 hydraulic oil. Engine oil capacity is approximately 3.5 L (0.9 gal) for the engine and 4.5 L (1.2 gal) for the canopy. Coolant capacity is 5.0 L (1.3 gal). For other models like the JS305, specific JCB part numbers are used to identify the correct engine oils, hydraulic fluids, and greases. Always consult the specific machine's operation and maintenance manual for exact capacities and fluid types.
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 G80R. Related factory variants of the same model family:
G80RG80R
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