JCBconstructionmini crawler excavators
Jcb 8018(R.O.W)
Maintenance schedule, common problems & OEM parts breakdown
The JCB 8018 is a mini excavator manufactured from 1998 to 2017, with the CTS variant produced from 2005 to 2017. It features a Perkins 403C-11 engine producing 19 hp (14 kW) and has an operating weight ranging from 3,664 lbs (1,662 kg) to 4,017 lbs (1,822 kg) depending on configuration. The machine is available in conventional tail swing (CTS) and zero tail swing (ZTS) configurations. It succeeded the earlier 8018 models produced from 1998 to 2005 and was succeeded by the 8020 and 8025 series. The 8018 CTS offers a digging depth of 84 in. (213 cm) and a max reach of 152.4 in. (387.1 cm).
Across its production life, the 8018 evolved from the original 1998-2005 models to the CTS and ZTS variants, with significant changes in emissions compliance and undercarriage design. The CTS models introduced a more compact tail swing radius of 103.6 cm (40.8 in.) for improved maneuverability in tight spaces. The machine remains relevant in the used and parts market due to its widespread use in utility and landscaping applications, with a large aftermarket support base for Perkins engines and hydraulic components. Common issues include hydraulic pump coupling failures and engine mount collapses, driving demand for replacement parts.
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 8018(R.O.W) specifications
Engine
| Engine Model | 403C-11 |
| Gross Power | 19.7 hp (14.7 kW) |
| Net Power | 19 hp (14 kW) |
| Displacement | 69 cu in (1130.7 cc) |
| Cylinders | Not documented for this exact serial range — verify with your dealer |
| Emissions Tier | Interim Tier IV |
Weights
| Operating Weight | 3664 lb (1662 kg) |
| Shipping Weight | Not documented for this exact serial range — verify with your dealer |
| Ground Pressure | 4.6 psi (31.7 kPa) |
Dimensions
| Transport Length | 11 ft (3353 mm) |
| Transport Width | 9 ft (2743 mm) |
| Transport Height | 7.5 ft (2286 mm) |
| Track Gauge | 2.47 ft (753 mm) |
| Ground Clearance | 0.6 ft (183 mm) |
| Tail Swing Radius | 3.33 ft (1015 mm) |
Performance
| Max Travel Speed | 2.4 mph (3.9 km/h) |
| Max Digging Depth | 7 ft (2134 mm) |
| Max Reach Along Ground | 12.67 ft (3862 mm) |
| Max Loading Height | 8.42 ft (2566 mm) |
| Swing Speed | 10 rpm |
Service capacities (summary)
| Fuel Tank | 6.2 gal (23.5 l) |
| Hydraulic System | 7.4 gal (28.0 l) |
| Engine Oil | 1.1 gal (4.2 l) |
| Cooling System | 1.4 gal (5.3 l) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
8018(R.O.W) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) | 4.2 l (1.1 gal) | JCB Engine Oil (viscosity per ambient temperature; JCB-approved multipurpose oil for naturally aspirated/turbocharged engines) |
| Cooling system | 5.3 l (1.4 gal) | JCB Engine Coolant (silicate-based; change at recommended intervals to prevent silicate separation) |
| Fuel tank | 23.5 l (6.2 gal) | Diesel fuel |
| Hydraulic system AND tank | 28.0 l (7.4 gal) | JCB Hydraulic Fluid HP46 (AW46 viscosity grade) |
| Grease (spec only) | N/A | JCB Grease (multipurpose lithium-based grease for track rollers, idlers, and pivot points) |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Jcb 8018(R.O.W) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the 8018(R.O.W) beyond the schedule
Predictive Maintenance & Fluid Analysis
Monitor hydraulic oil levels and condition at every 10-hour interval. Check the fuel water separator daily to prevent water contamination in the Perkins 403C-11 engine. Inspect the coolant expansion tank for silicate separation, which indicates coolant degradation. Use JCB-approved hydraulic fluid to maintain pump integrity. Analyze engine oil samples annually to detect early signs of wear in the Perkins engine components. Check the hydraulic oil cooler for blockages that can cause overheating.
Corrective & Common Repairs
Address hydraulic pump internal drive coupling failures, which typically occur around 3,000 hours. Replace collapsed engine mounts to prevent the tin sump from rubbing against the belly plate. Fix leaking hydraulic filter heads by replacing the base gasket. Replace broken exhaust flexi hoses under the cab. Repair track idler bearing collapses and seized bottom rollers. Address pressure maintenance valve failures that cause loss of servo controls.
Overhaul & Rebuild Points
Overhaul the Perkins 403C-11 engine at 10,000 hours or when compression drops below specification. Rebuild the hydraulic pump when internal coupling wear causes loss of pressure or flow. Replace all hydraulic hoses every 2,000 hours or if cracked/swollen. Inspect the undercarriage rollers and sprockets for wear; replace when track tension cannot be maintained. Rebuild the slew ring if excessive play or noise is detected. Replace the air cleaner element every 1,000 hours or when restriction is indicated.
Seasonal & Environment Servicing
In cold weather, ensure glow plugs are functioning correctly for reliable starts. Check the battery condition and power output regularly. In dusty environments, inspect the air cleaner element more frequently and clean the radiator fins often. Store the machine in a clean, dry environment away from corrosive substances. Use the correct track tension for the terrain to prevent premature undercarriage wear. Inspect the plastic floor mountings for stripping after extended use in harsh conditions.
8018(R.O.W) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 17/929700 | Kit, Fuel Pump And Filter | Fuel system service | Check fitment → |
| 649/51689 | Hose, Fuel, Filter To Pump | Fuel system service | Check fitment → |
| 32/925666 | Element, Fuel Sediment/Water | Fuel system service | Check fitment → |
| 332/S3338 | Filter, Air, Assembly | Air intake service | Check fitment → |
| 332/R9701 | Filter, Assembly, 5 Micron | Scheduled service item | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
8018(R.O.W) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| P0087 | Fuel rail/system pressure too low | Clogged fuel filters or failing fuel lift pump | Check fuel filter condition and fuel pump operation |
| P0117 | Engine coolant temperature sensor circuit low voltage | Faulty coolant temperature sensor or wiring issue | Inspect sensor wiring and test sensor resistance |
| P0521 | Engine oil pressure sensor range/performance issue | Faulty oil pressure sensor or low oil level | Verify oil level and test sensor signal |
| P2047 | DEF/AdBlue injector circuit open (SCR system fault) | Open circuit in reductant injector wiring | Inspect injector connector and wiring harness |
| U0100 | Lost communication with Engine Control Module (ECM) | CAN bus communication failure or poor ground | Check battery voltage, ground straps, and CAN connections |
| 101 | Low transmission clutch pressure detected | Hydraulic pressure loss or valve issue | Check hydraulic fluid level and transmission pressure |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
8018(R.O.W) attachments & work tools
Excavator Buckets
Standard digging and grading/ditching buckets are available for the 8018 and 8018 CTS models, with widths such as 36 inches (900 mm) and 6 inches (150 mm) noted in aftermarket catalogs. These attachments are engineered to integrate with major OEM specifications for the 8018 class.
Quick Hitch Systems
The 8018 CTS is equipped with hydraulic and mechanical quick hitch options to facilitate rapid tool changes. Factory specifications and aftermarket guides list these coupler systems as standard compatibility features for the machine.
Hydraulic Tool Circuits
A handheld tool circuit option is available for the 8018 and 8020 CTS models, enabling the machine to power a wide range of auxiliary hydraulic attachments. This configuration allows for the operation of tools beyond standard bucket functions.
R.O.W. / Undercutting Configurations
The 8018 (R.O.W) designation indicates a Reduced Over Width configuration designed for confined spaces. This model features a tail swing radius of 40.8 inches (103.6 cm) and a removal counterweight clearance of 15.6 inches (39.6 cm) to allow for close-proximity operation.
Engine and Power Specifications
The 8018 is powered by a Perkins 403C-11 engine producing 19 hp (14 kW) net power. The hydraulic system utilizes a pump with a flow capacity of 11.5 GPM (42 LPM) and a relief valve pressure of 3336 psi (230 Bar).
Operating Weight and Dimensions
Operating weight varies by configuration, with sources citing 3664 lbs (1662 kg) for the standard 8018 and 4017 lbs (1822 kg) for the 8018 CTS. The machine has an overall width of 108.0 inches (274.3 cm) and a transport length of approximately 116 inches (294.6 cm) with a standard dipper.
All 8018(R.O.W) assemblies by section
Every catalogued assembly group for the Jcb 8018(R.O.W). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
A Attachments
A4-3-1 Dozer, Extension
| 33***20 | Pin, Retaining | 2 |
| 33***06 | Blade, Left Hand Wing | 1 |
| 33***07 | Blade, Right Hand Wing | 1 |
A4-1-1 Dozer
| 13***5D | Setscrew, M10 X 20 | 2 |
| 13***5D | Bolt, M10x65 | 3 |
| 13***3D | Nut, Self Lock M10 | 3 |
B Bodywork
B0-2-1 8018, Yellow
| 23***50 | Kingpost, Assembly | 1 |
| 23***33 | Panel, Side, Assembly | 1 |
| 23***55 | Panel, Left Side, Assembly | 1 |
B0-3-1 Undercarriage, Index Including Tracks & Hydraulics
| 12***03 | Spacer, 14mm | 1 |
| 13***5D | Setscrew, M8x20 | 4 |
| 13***7D | Setscrew, M10 X 25mm Long | 4 |
B0-1-1 Main Build
| 23***07 | Excavator End, Assembly, Mini Excavator | 1 |
| 23***48 | Upper Section, Assembly, 8018 Mini Excavator | 1 |
| 23***89 | Iso De Frost Data, Mini Excavators | 0 |
B0-5-1 Tank, Fuel & Hydraulic, Assembly
| 13***3D | Setscrew, M10 X16mm | 6 |
| 13***7D | Setscrew, M10 X 25mm Long | 2 |
| 13***0D | Bolt, M10 X 40mm Long | 2 |
B0-4-1 Upper Structure
| 13***5D | Setscrew, M10 X 20 | 6 |
| 13***8D | Setscrew, M10 X 30 | 2 |
| 13***5D | Bolt | 4 |
B1-10-1 Panel, Right Side, Skirt
| 13***5D | Setscrew, M8x20 | 4 |
| 14***3D | Washer | 2 |
| 14***7D | Washer, M8 Plain | 2 |
B1-2-1 Bonnet, Yellow, Assembly
| 13***5D | Setscrew, M8x20 | 1 |
| 13***8D | Setscrew, M10 X 30 | 4 |
| 13***1D | Nut, Plain | 7 |
B1-11-1 Panel, Left Side, Skirt
| 13***5D | Setscrew, M8x20 | 4 |
| 14***3D | Washer | 2 |
| 14***7D | Washer, M8 Plain | 2 |
B1-5-1 Tank, Hydraulic
| 13***7D | Capscrew, M10 | 5 |
| 14***8D | Washer, M10 | 5 |
| 17***02 | Plug | 1 |
B2-15-1 Door, Striker Bolt
| 15***00 | Nut | 1 |
| 33***91 | Guard, Striker | 1 |
| 33***10 | Striker, Door | 1 |
B2-6-1 Window, Sliding
| 33***55 | Screw, Window Securing | 1 |
| 33***13 | Seal, Flock Section | 2 |
| 33***63 | Stop, Rubber | 2 |
B2-4-1 Glazing, Standard
| 23***02 | Glazing, Assembly | 1 |
| 33***24 | Cushion, Windscreen Spacer | 2 |
| 33***47 | Window, Up And Over Assembly | 1 |
B2-34-2 Seatbase, Components, Canopy
| 16***34 | Lock, Barrel Assembly | 1 |
| 26***00 | Clip | 1 |
| 33***01 | Moulding, Floor Plate | 1 |
B2-19-1 Cab, Tilt
| 13***3D | Setscrew, M8 X 16mm | 1 |
| 13***5D | Setscrew, M8x20 | 4 |
| 13***3D | Nut, Self Lock M8 | 6 |
B2-12-1 Rivet Nut Location, Cab
| 33***68 | Assembly, Rivnuts | 1 |
| 33***14 | Rivet, M12 | 1 |
| 82***99 | Nut, Rivet,M6 Open Ended | 6 |
B2-14-1 Trim, Cab
| 13***1D | Screw, M10x12 | 2 |
| 24***10 | Grommet, 24mm Dia | 3 |
| 24***12 | Grommet | 1 |
B2-21-1 Seat Static Cloth
| 13***3D | Nut, Self Lock M8 | 4 |
| 14***2D | Washer, Large | 4 |
| 40***04 | Boot, Sewn | 1 |
B2-33-1 Levers, Housing, Left
| 12***03 | Tie, Cable, L=300mm X W=7.6mm | 1 |
| 13***7D | Setscrew, M8x25 | 2 |
| 13***8D | Setscrew, M10 X 30 | 2 |
B2-17-1 Glazing, Roof
| 33***24 | Glass, Roof, Polycarbonate | 1 |
B2-16-1 Liner, Roof
| 33***54 | Liner, Roof | 1 |
| 33***62 | Gasket, Foam | 1 |
B2-5-1 Glazing, En474 Protection
| 33***24 | Cushion, Windscreen Spacer | 2 |
| 33***55 | Window, Sliding, Right Side | 1 |
| 33***43 | Decal, Impact Protection | 2 |
B2-3-1 Cab, Assembly, 332/V4813
| 33***10 | Wiper, Assembly | 1 |
| 33***16 | Liner, Roof | 1 |
| 33***19 | Cab, Electrics | 1 |
B2-25-1 Seals, Cab
| 33***58 | Seal, Cab Interface | 2 |
| 33***89 | Foam Seal, 10x10x1434 | 2 |
| 33***14 | Seal, Foam Strip, 10 X 10 X 834 | 2 |
B2-20-1 Mountings, Cab
| 12***02 | Plate, Compression | 2 |
| 13***7D | Setscrew, M10 X 25mm Long | 2 |
| 13***8D | Setscrew, M10 X 30 | 2 |
B2-9-1 Window, Front, Installation, En474
| 12***91 | Washer, Nylon | 8 |
| 13***1D | Nut, Plain | 1 |
| 16***42 | Stop, Bump | 1 |
B2-31-1 Seatbase, Canopy
| 13***2D | Setscrew, M8 X 50 | 2 |
| 13***3D | Nut, M6 Lock | 6 |
| 14***6D | Washer, M6 Plain | 6 |
B2-22-1 Hammer, Emergency Glass Breaking
| 14***01 | Screw, Self Tapping | 2 |
| 26***78 | Hammer, Emergency, Glass Breaker; Supercedes 69***88, San 12499 | 1 |
| 26***79 | Holder, Hammer | 1 |
B2-31-2 Seatbase, Canopy
| 13***2D | Setscrew, M8 X 50 | 2 |
| 13***3D | Nut, M6 Lock | 6 |
| 14***6D | Washer, M6 Plain | 6 |
B2-18-1 Door Stay, Lockback
| 13***5D | Bolt, M6 X 65mm | 3 |
| 13***3D | Nut, M6 Lock | 3 |
| 14***6D | Washer, M6 Plain | 6 |
B2-23-1 Sound Proofing, Seat Base
| 33***47 | Console, Sound Proofing, Seatbase | 1 |
| 33***48 | Console, Sound Proofing, Seatbase | 1 |
B2-11-1 Door, Assembly, Sliding Hinge
| 13***5D | Setscrew, M6 X 20mm Long | 2 |
| 13***7D | Setscrew, M10 X 25mm Long | 1 |
| 13***2D | Setscrew | 1 |
B2-2-2 Seatbase, Cab
| 13***2D | Setscrew, M8 X 50 | 2 |
| 14***7D | Washer, M8 Plain | 2 |
| 23***17 | Electrics, Main, Assembly | 1 |
B2-1-1 Cab, Assembly, Black
| 22***03 | Clip, Jubilee | 1 |
| 22***10 | Clip, Jubilee | 2 |
| 23***31 | Electrics, Engine, Assembly | 1 |
B2-24-1 Handle, Grab
| 33***84 | Handle, Grab | 1 |
| 82***68 | Rivet, Nut | 2 |
| 82***72 | Screw, Button Head, M6 X 15mm | 2 |
B2-34-1 Seatbase, Components, Canopy
| 16***34 | Lock, Barrel Assembly | 1 |
| 26***00 | Clip | 1 |
| 33***01 | Moulding, Floor Plate | 1 |
B2-13-1 Control Rod, Assembly, 332/A4602
| 33***96 | Nut, M12 Thin - Lht | 1 |
| 33***97 | Nut, M12 Thin | 1 |
| 33***00 | Joint, Rod End, M12 - Lht | 1 |
B2-2-1 Seatbase, Cab
| 13***2D | Setscrew, M8 X 50 | 2 |
| 14***7D | Washer, M8 Plain | 2 |
| 23***17 | Electrics, Main, Assembly | 1 |
B4-6-1 Tipping Link, Lifting Shackle
| 23***01 | Link, Tipping | 1 |
| 23***02 | Link, Lifting 1 Ton | 1 |
| 81***27 | Label, Lift Capacity | 1 |
B4-0-1 Ram, Protection
| 13***5D | Setscrew, M10 X 20 | 1 |
| 14***8D | Washer, M10 | 1 |
| 23***02 | Plate, Support | 1 |
B4-3-1 Kingpost
| 13***5D | Setscrew, M10 X 20 | 2 |
| 13***7D | Bolt, M10 X 75mm | 2 |
| 13***3D | Nut, Self Lock M10 | 2 |
B4-4-1 Excavator, Assembly
| 13***5D | Bolt, M10x65 | 4 |
| 13***8D | Bolt, M10 X 80 | 1 |
| 13***3D | Nut, Self Lock M10 | 5 |
B4-10-1 Link, Bucket
| 13***3D | Nut, Self Lock M10 | 2 |
| 14***01 | Nipple, Grease, Straight, 1/8 Bsp | 2 |
| 23***00 | Link, Tipping | 1 |
B4-2-1 Boom, Long
| 14***01 | Nipple, Grease, Straight, 1/8 Bsp | 1 |
| 23***02 | Boom, Long | 1 |
| 80***08 | Bush, 40mm Long | 2 |
B4-5-1 Dipper, Extra Long
| 14***01 | Nipple, Grease, Straight, 1/8 Bsp | 1 |
| 14***01 | Nipple, Grease, 90deg. Angle | 1 |
| 33***35 | Hose, -4 Hp3050mm, Orfs | 1 |
B5-0-1 English Language, Assembly
| 23***92 | Decals, Listing | 1 |
| 33***42 | Handbook | 1 |
| 81***63 | Label, Plantguard | 1 |
B5-1-1 Oils, Grease
| 40***00 | Fluid, Gear Oil | 0 |
| 40***00 | Oil, Engine | 0 |
| 40***15 | Oil, Hydraulic | 30 |
C Electrics
C1-1-1 Electrics, Fuses And Relays, Main Harness
| 33***22 | Harness, Electrical, Schematic | 0 |
| 33***73 | 801x Mainframe Harne, 8016 1018 With Immob | 1 |
| 71***03 | Fuse, 5 Amp | 2 |
C1-11-1 Light, Working, Cab
| 12***09 | Cap, Nut M8; Replaces 69***72 | 4 |
| 13***7D | Setscrew, M8x25 | 4 |
| 14***7D | Washer, M8 Plain | 4 |
C1-14-1 Beacon
| 70***01 | Bulb, 12v 55w, Halogen | 1 |
| 70***01 | Lens, Amber, 121mm Dia | 1 |
| 70***00 | Beacon, 12v, (155mm Tall) | 1 |
C1-10-1 Light, Working, Boom
| 70***29 | Light, Work | 1 |
| 72***21 | Harness, Boom Worklight | 1 |
C1-9-1 Isolator Switch, Battery
| 13***5D | Setscrew, M6 X 20mm Long | 2 |
| 13***3D | Nut, M6 Lock | 2 |
| 14***6D | Washer, M6 Plain | 4 |
C1-8-1 Battery
| 13***7D | Setscrew, M10 X 25mm Long | 1 |
| 13***5D | Capscrew, M10 X 20 | 3 |
| 14***8D | Washer, M10 | 4 |
C1-12-1 Alarm, Travel
| 17***06 | Adaptor Test Point T | 4 |
| 23***05 | Fan Cowl Drilling De | 0 |
| 24***11 | Grommet | 2 |
C2-1-1 Electrics, Engine, Harness
| 33***39 | 801x Engine Harness, 80***18 | 1 |
| 71***28 | Harness, Charge Lead | 1 |
C3-1-1 Panel, Instrument Cluster
| 23***31 | Board, Dash Cab, Assembly | 1 |
| 33***05 | Panel, Instrument Cluster | 1 |
| 33***88 | Decal, Panel | 1 |
C3-2-1 Electrics, Cab
| 13***3D | Nut, Self Lock M8 | 1 |
| 14***7D | Washer, M8 Plain | 2 |
| 33***19 | Cab, Electrics | 1 |
C3-4-1 Motor, Wiper, Washer
| 29***00 | Jet, Washer, Assembly | 1 |
| 33***10 | Wiper, Assembly | 1 |
| 33***65 | Motor, Wiper | 1 |
C3-3-1 Washer Bottle, Screen
| 13***7D | Setscrew, M10 X 25mm Long | 1 |
| 14***8D | Washer, M10 | 1 |
| 23***79 | Washer, Bottle, Assembly | 1 |
C3-5-1 Heater, Assembly
| 13***3D | Setscrew, M8 X 16mm | 2 |
| 14***7D | Washer, M8 Plain | 2 |
| 22***03 | Clip, Jubilee | 2 |
D Controls
D1-1-1 Floor Control Assembly
| 12***04 | Pad, Cable Tie Mounting, Self Adhesive | 1 |
| 13***7D | Setscrew, M8x25 | 2 |
| 13***8D | Setscrew, M8 X 30mm | 4 |
D1-2-1 Pedal Control, Auxiliary, & Grey Covers
| 13***3D | Nut, Self Lock M8 | 2 |
| 13***5D | Screw, Cap M5 X 20 | 4 |
| 13***8D | Capscrew, M8 X 80mm, Grade 12.9 | 2 |
D1-4-1 Lever, Dozer Blade
| 13***5D | Setscrew, M8x20 | 3 |
| 13***3D | Setscrew, M10 X16mm | 1 |
| 13***0D | Setscrew, M10 X 40mm | 2 |
D1-3-1 Lock, Slew
| 14***7D | Washer, M8 Plain | 1 |
| 21***05 | Pin, Split | 1 |
| 33***99 | Knob | 1 |
D2-1-1 Control, Throttle
| 13***1D | Screw, Set M6x12 | 2 |
| 13***2D | Nut, 1/4"Unf, Hexagon Thin | 2 |
| 14***6D | Washer, M6 Plain | 2 |
E Hydraulics
E0-3-1 Hydraulics, Upper Structure, Iso
| 33***25 | Valve, Control, Assembly | 1 |
| 33***32 | Valve, Assembly | 1 |
| 33***38 | Hose, Assembly | 1 |
E0-4-1 Hydraulics, Upper Structure, Iso Sae
| 33***25 | Valve, Control, Assembly | 1 |
| 33***32 | Valve, Assembly | 1 |
| 33***38 | Hose, Assembly | 1 |
E1-3-1 Hose And Pipework, Seat Base
| 23***01 | Sleeve, Polyurethane | 3 |
| 33***56 | Bracket, Switch | 1 |
| 33***70 | Block, Manifold | 1 |
E1-6-1 Hose And Pipework, Hydraulic Tank, Return
| 33***09 | Hose, -10 Hp 380mm Orfs | 1 |
| 33***10 | Hose, -10 Hp 1440mm Orfs | 1 |
| 33***92 | Hose, -4 Pilot 500mm Orfs | 1 |
E1-11-1 Manifold Block, Adapters
| 13***4D | Bolt | 2 |
| 13***1D | Nut, M8 | 2 |
| 14***7D | Washer, M8 Plain | 4 |
E1-9-1 Hose And Pipework, Pilot Line, Iso
| 33***71 | Hydraulics, Seatbase, Iso, Assembly | 1 |
| 33***25 | Hose, -4 Orfs Pilot 340mm | 1 |
| 33***48 | Hose, -4, 560mm, Orfs | 1 |
E1-4-1 Hose And Pipework, Undercarriage
| 33***76 | Hose, -6 Hp 860mm Orfs | 2 |
| 33***77 | Hose, -6 Hp 500mm Orfs | 1 |
| 33***79 | Hose, -6 Hp 500mm Orfs | 1 |
E1-40-1 Circuit, Hand Held Kit, Orfs
| 13***7Z | Bolt, M10x25 | 4 |
| 13***0D | Bolt, M6x40 | 2 |
| 13***4Z | Bolt, M10x60 | 2 |
E1-10-1 Hose And Pipework, Auxiliary, Double Acting
| 13***5D | Setscrew, M8x20 | 1 |
| 14***7D | Washer, M8 Plain | 1 |
| 17***08 | Adapter, Orfs M/M | 1 |
E1-15-1 Rotary Coupling, Adapters, 10 Port
| 13***7D | Setscrew, M10 X 25mm Long | 4 |
| 14***8D | Washer, M10 | 4 |
| 17***04 | Adaptor, Orfs | 9 |
E1-5-1 Hose And Pipework, Excavator, & Ram Assembies
| 33***42 | Ram, Boom, Assembly | 1 |
| 33***44 | Ram, Bucket, Assembly | 1 |
| 33***46 | Ram, Swing, Assembly | 1 |
E1-12-1 Hose And Pipework, Pilot Line, Iso - Sae
| 33***95 | Hydraulics, Seatbase, Assembly | 1 |
| 33***25 | Hose, -4 Orfs Pilot 340mm | 1 |
| 33***48 | Hose, -4, 560mm, Orfs | 1 |
E1-30-1 Hose And Pipework, Auxiliary, Dipper
| 13***5D | Setscrew, M8x20 | 4 |
| 14***7D | Washer, M8 Plain | 4 |
| 17***08 | Adaptor, Orfs M/M Bul | 1 |
E1-14-1 Hose And Pipework, Seat Base, Iso
| 23***01 | Sleeve, Polyurethane | 3 |
| 33***70 | Block, Manifold | 1 |
| 33***05 | Hose, -4 Pilot 1360mm Orfs | 1 |
E2-4-1 Pump, Adapters, Assembly
| 17***6C | Adaptor, Orfs, Male Stud | 3 |
| 20***20 | Pump, Hydraulic | 1 |
| 23***01 | Adaptor | 1 |
E2-5-1 Pump, Piston, Adaptors And Fittings
| 13***8D | Setscrew, M10 X 30 | 4 |
| 14***8D | Washer, Hardened | 4 |
| 17***6C | Adaptor, Orfs, Male Stud | 2 |
E2-2-1 Pump, Assembly, Flywheel Housing, Coupling, Agri
| 12***02 | Plate, Compression | 4 |
| 23***71 | Pistion Pump Ga 8018 | 1 |
| 33***33 | Housing, Flywheel, Piston Pump | 1 |
E2-1-1 Pump, Assembly, Flywheel Housing, Coupling
| 12***02 | Plate, Compression | 4 |
| 33***33 | Housing, Flywheel, Piston Pump | 1 |
| 33***81 | Housing, Flywheel | 1 |
E2-10-1 Motor, Slew
| 17***04 | Adaptor, Orfs | 4 |
| 20***41 | Motor, Slew | 1 |
E2-3-1 Motor, Track, Sproket & Adapters
| 13***7D | Capscrew, M10 | 17 |
| 17***04 | Adaptor, Orfs | 2 |
| 17***06 | Adaptor, Orfs | 2 |
E3-11-1 Valve, Extension, Undercarriage
| 13***5D | Setscrew, M8x20 | 2 |
| 13***8D | Setscrew, M10 X 30 | 2 |
| 14***36 | Mounting, Bonded | 2 |
E3-20-1 Valve, Joystick Control, Right
| 17***04 | Adaptor, Orfs | 6 |
| 25***17 | Controller, /Joystick, Right | 1 |
| 82***60 | Screw, Button Head, M6x25 | 4 |
E3-10-1 Valve, Changeover
| 13***7D | Screw, M8x75 | 2 |
| 13***3D | Nut, Self Lock M8 | 2 |
| 14***7D | Washer, M8 Plain | 4 |
E3-9-1 Valve, Pressure Maintenance, Adaptors And Fittings
| 13***5D | Setscrew, M8x20 | 2 |
| 13***5D | Setscrew, M10 X 20 | 2 |
| 14***7D | Washer, M8 Plain | 2 |
E3-1-1 Valve, Excavator, Adaptors And Fittings
| 13***5D | Setscrew, M8x20 | 4 |
| 13***8D | Setscrew, M10 X 30 | 3 |
| 14***36 | Mounting, Bonded | 3 |
E3-21-1 Valve, Joystick Control, Left
| 14***6D | Washer, M6 Plain | 4 |
| 17***04 | Adaptor, Orfs | 6 |
| 25***18 | Valve, L.H Joystick | 1 |
J Track & Running Gear
J1-3-1 Idler Wheel, Assembly
| 22***60 | Circlip | 2 |
| 23***03 | Shaft | 1 |
| 23***01 | Wheel, Idler, Sprocket | 1 |
J1-7-1 Track Assembly, Steel, Fittings & Tensioner
| 13***7D | Setscrew, M10 X 25mm Long | 12 |
| 13***3D | Nut, Self Lock M10 | 12 |
| 14***8D | Washer, M10 | 12 |
J1-5-1 Idler Wheel, Unit
| 13***9D | Screw, M12x35mm Long | 4 |
| 14***9D | Washer, M12 | 4 |
| 33***42 | Idler, Assembly | 2 |
J1-4-1 Track, Rubber
| 33***65 | Track, Rubber, W=230mm | 2 |
J1-2-1 Tensioner, Assembly
| 23***29 | Idler, Wheel Unit, Assembly | 1 |
| 90***68 | Piston, Grease Tensioner | 1 |
N Engine Perkins 403d-11 Gj65691
N0-1-1 Power Train, Assembly, Engine, Pump, Anciliaries
| 12***03 | Tie, Cable, L=300mm X W=7.6mm | 1 |
| 13***9D | Bolt | 2 |
| 13***9D | Bolt, Special M8x90 | 3 |
N1-3-1 Crankshaft,Pistons, Bearings & Con-Rods
| 02***42 | Key | 1 |
| 02***43 | Pin | 1 |
| 02***52 | Bush, Small-End | 1 |
N1-4-1 Fan,Pulleys,Belt, 403d-11 Tier-3
| 02***66 | Pulley, Crankshaft | 1 |
| 02***67 | Nut | 1 |
| 02***68 | Key | 1 |
N1-2-1 Engine Block, 403d-11 Tier-3
| 02***05 | Plug, D=5.4mm | 1 |
| 02***07 | Plug, 8.4mm | 5 |
| 02***08 | Hub | 1 |
N1-1-1 Engine Assembly, With Fuel Pump Kit
| 02***38 | Gasket | 0 |
| 02***39 | Gasket | 0 |
| 02***43 | Nut | 0 |
N1-7-1 Flywheel & Housing
| 02***36 | Ring, Starter | 1 |
| 02***37 | Screw | 6 |
| 02***66 | Flywheel Backplate | 1 |
N1-5-1 Timing Case, Camshaft & Gears, 403d-11 Tier-3
| 02***68 | Key | 1 |
| 02***79 | O Ring | 1 |
| 02***81 | Bearing | 1 |
N1-8-1 Mountings, Engine
| 13***8D | Setscrew, M10 X 30 | 8 |
| 13***4D | Screw, M10x60 | 2 |
| 13***3D | Nut, Self Lock M10 | 4 |
N1-6-1 Timing Levers, Arms & Springs
| 02***71 | Screw | 4 |
| 02***78 | Nut | 1 |
| 02***08 | Washer | 1 |
N2-3-1 Rocker Cover, 403d-11 Tier-3
| 01***54 | Adapter, Oil Cap | 2 |
| 02***73 | Breather, Gauze | 1 |
| 02***76 | Nut, Cap | 3 |
N2-1-1 Cylinder Head
| 02***42 | Seal, Inlet Valve | 3 |
| 02***43 | Spring, Valve | 6 |
| 02***44 | Cap | 7 |
N2-4-1 Lifting Plates, 403d-11 Tier-3
| 02***12 | Screw | 2 |
| 02***52 | Plate, Engine Lifting | 2 |
N2-2-1 Rocker Assembly, Push Rods & Tappets
| 02***78 | Nut | 3 |
| 02***66 | Spring | 2 |
| 02***67 | Screw, Adjusting | 6 |
N3-3-1 Exhaust System
| 13***07 | Bolt, M8 X 25 | 1 |
| 14***07 | Washer | 1 |
| 22***17 | Clip, Worm Drive | 2 |
N3-2-1 Air Filter
| 22***10 | Clip, Jubilee | 3 |
| 22***12 | Clip, Jubilee | 1 |
| 33***38 | Filter, Air, Assembly | 1 |
N3-1-1 Manifold, Exhaust
| 02***96 | Nut | 2 |
| 02***85 | Stud | 2 |
| 02***39 | Gasket | 1 |
N4-1-1 Water Pump, 403d-11 Tier-3
| 02***96 | Nut | 1 |
| 02***33 | Hose, By-Pass | 1 |
| 02***39 | Gasket | 1 |
N4-6-1 Bracket, Casting Complete
| 23***02 | Grommet | 1 |
| 23***06 | Bracket | 1 |
| 58***60 | Bracket, Radiator Mounting | 1 |
N4-3-1 Radiator & Hoses, Assembly
| 13***1D | Screw, Set M6x12 | 6 |
| 13***7D | Setscrew, M8x25 | 4 |
| 14***1Z | Washer, 2 Ba | 2 |
N4-2-1 Thermostat &, Housing, 403d-11 Tier-3
| 02***96 | Nut | 4 |
| 02***85 | Stud | 4 |
| 02***89 | Plug, D=30mm | 2 |
N5-2-1 Pump, Oil, 403d-11 Tier-3
| 02***07 | Spring | 1 |
| 02***08 | Dowel | 3 |
| 02***10 | Pump, Oil & Gear Assembly | 1 |
N5-3-1 Filter, Oil, 403d-11 Tier-3
| 02***26 | Connector | 1 |
| 02***28 | Bolt, Banjo | 1 |
| 02***59 | Washer | 4 |
N5-1-1 Sump, Oil, 403d-11 Tier-3
| 02***02 | Screw | 20 |
| 02***96 | Gasket | 1 |
| 02***97 | Screw | 2 |
N6-3-1 Fuel System
| 13***3D | Setscrew | 2 |
| 13***5D | Setscrew, M8x20 | 1 |
| 13***9D | Setscrew, M10 X 35mm Long | 2 |
N6-5-1 Filter, Fuel Sediment
| 32***02 | Ring, Retaining | 1 |
| 32***03 | Seal, Dust | 1 |
| 32***66 | Element, Fuel Sediment/Water | 1 |
N6-2-1 Injector,Fuel & Pipe
| 02***96 | Nut | 2 |
| 02***66 | Washer | 2 |
| 02***14 | Damper | 4 |
N6-1-1 Pump,Fuel, & Solenoid
| 02***96 | Nut | 2 |
| 02***01 | Washer | 1 |
| 02***76 | Shim, 0.20mm | 1 |
N6-4-1 Fuel Pump & Filter
| 02***78 | Nut | 1 |
| 02***02 | Screw | 2 |
| 02***94 | Gasket | 1 |
8018(R.O.W) serial number reference
For post-2001 machines, the 17-character PIN is located on a riveted data plate inside the cab on the right-hand cab pillar or dash console, with a duplicate stamp on the chassis frame. For mini excavators, the plate is typically on the right-hand side of the canopy frame or cab base. Verify applicability with a JCB dealer if the serial number does not match the sourced ranges.
| Prefix | Identifies | Notes |
|---|---|---|
| 897000-897999 | Applicability for JCB 8018 Excavator as documented in the JCB 8013 8015 8017 8018 801 Excavator Service Manual. | |
| 1046000-1047999 | Applicability for JCB 8018 Mini Excavator as documented in the JCB the OEM part reference/8018 Service Manual (Publication 9803-9350). | |
| 1319000-1324999 | Applicability for JCB 8018 Mini Excavator as documented in the JCB the OEM part reference/8018 Service Manual (Publication 9803-9350). | |
| 01543500-01544999 | Applicability for JCB 8018 ORFS (R.O.W) Mini Crawler Excavator as documented in the JCB 8018 ORFS (R.O.W) Mini Crawler Excavator Parts Catalogue Manual. |
Frequently asked questions
What engine does the JCB 8018 use?
The JCB 8018 uses a Perkins 403C-11 engine producing 19 hp (14 kW).
What is the operating weight of the JCB 8018?
The operating weight varies by configuration, ranging from 3,664 lbs (1,662 kg) to 4,017 lbs (1,822 kg).
What model replaced the JCB 8018?
The JCB 8020 and 8025 series succeeded the 8018 in the JCB mini excavator lineup.
What 8018(R.O.W) owners discuss
What engine powers the JCB 8018(R.O.W) and what are its known maintenance quirks?
The JCB 8018(R.O.W) uses a Perkins 403C-11 engine. Community consensus indicates the engine is robust if serviced regularly, with specific attention required for tappet adjustments. Engine mounts are a known failure point; they can collapse, causing the oil sump to rub against the belly plate and potentially puncture the tin sump. Three engine mounts are required for replacement.
What are the common hydraulic pump and valve issues reported by owners?
Hydraulic pumps typically fail around 3,000 hours due to internal drive coupling failure, which can damage the pump body. Pressure maintenance valves are prone to failure, resulting in a loss of servo controls until the blade control lever is pulled. Hydraulic filter heads may leak, requiring replacement of the base gasket. Valve block seals are often sold only as complete kits rather than individual O-rings.
What undercarriage and track wear patterns are typical for this machine?
Track idler bearings are known to collapse, and bottom rollers can become seized. General wear in pins and bushes is common, with tipping links often cited as the worst affected components. Undercarriage components require regular greasing to prevent premature wear, and tracks must be maintained at proper tension for optimal performance.
What electrical and sensor issues are frequently discussed?
Electrical problems often stem from a dead or low-voltage battery and corroded wiring harnesses. Faulty wiring can cause intermittent power loss or malfunctioning controls. The bonnet catches are difficult to keep tight and are a frequent source of frustration. Plastic covers on floor mountings may strip over time.
How does the hydraulic system behave during operation, and what causes sluggish performance?
The machine may exhibit sluggish performance when warm, particularly in left-hand joystick up/down movements, while slew functions remain normal. Pressing the auxiliary pedal during travel or boom work can improve responsiveness and power. Sluggishness can also result from a partial blockage in the main valve block or a lodged check valve seal preventing proper pressure release.
What causes intermittent engine shutdowns after short run times?
Intermittent shutdowns after 5-10 minutes of operation are often caused by clogged fuel filters or contaminated fuel restricting flow. Owners should inspect the fuel system for blockages and ensure the fuel supply is clean and unrestricted.
What specific items must be checked when buying a used JCB 8018(R.O.W)?
Inspect engine mounts for collapse and check for sump damage from rubbing against the belly plate. Verify hydraulic pump for internal coupling wear, especially if the machine has exceeded 3,000 hours. Check track idler bearings for collapse and bottom rollers for seizure. Ensure pressure maintenance valves are functioning correctly to maintain servo control. Verify condition of hydraulic filter head gasket for leaks. Have dealer verify engine serial number and hydraulic pump condition against service history.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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