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Jcb TROJAN II 30LTR
Maintenance schedule, common problems & OEM parts breakdown
The JCB Trojan II 30LTR is a heavy-duty hydraulic power pack designed for utility and industrial applications. It is powered by a Honda GX390 petrol engine and delivers a hydraulic flow of 30 liters per minute at a maximum pressure of 138 bar. The unit weighs 93 kg. The Trojan series includes variants such as the 20LTR and the preceding Trojan I models. Configurations offer either 20 lpm or 30 lpm output options to match breaker and drilling requirements.
The Trojan II generation succeeded the Trojan I series, maintaining the heavy-duty power pack classification while updating internal components. The machine remains relevant in the used market due to its robust Honda engine and high-pressure hydraulic output suitable for demanding utility work. Parts availability is supported through JCB service manuals covering the Trojan II 30LTR frame, chassis, hydraulic pumps, and valves.
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 TROJAN II 30LTR specifications
Engine
| Model | JCB Dieselmax |
| Gross/Net Power | Not documented for this exact serial range — verify with your dealer |
| Displacement | Not documented for this exact serial range — verify with your dealer |
| Cylinders | Not documented for this exact serial range — verify with your dealer |
| Emissions Tier | Not documented for this exact serial range — verify with your dealer |
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 |
| Wheelbase or Track Gauge | Not documented for this exact serial range — verify with your dealer |
| Ground Clearance | Not documented for this exact serial range — verify with your dealer |
Performance
| Travel Speeds | 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 TROJAN II 30LTR maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the TROJAN II 30LTR beyond the schedule
Predictive Maintenance & Fluid Analysis
Perform oil sampling from the engine, hydraulic tank, and axle systems at every 500-hour interval to establish a baseline. Inspect the hydraulic return filter magnet for metallic debris before disposal. Monitor the Honda GX390 engine oil level daily and check the coolant expansion tank. Verify hydraulic fluid levels via the sight gauge. Analyze sample results to detect developing bearing or seal contamination early.
Corrective & Common Repairs
Address hydraulic hose chafing and pinhole seepage at the kingpost and boom connections. Replace worn breaker steels and impact wrench mechanisms. Inspect the Honda GX390 air filter housing for debris accumulation and clean or replace the element. Check the alternator and starter load. Repair cylinder rod scoring and replace fittings showing weep at connection points.
Overhaul & Rebuild Points
Conduct a full hydraulic oil change and tank cleaning at the 2000-hour interval. Measure swing ring play using a dial indicator on applicable chassis configurations. Inspect the frame and side frames for structural cracking or unauthorized welding. Check turbocharger shaft play and charge cooler boot condition on compatible engine variants. Torque slew ring bolts on excavator configurations.
Seasonal & Environment Servicing
Clean the undercarriage and engine bay to prevent debris buildup that accelerates wear. Store the power pack under cover to reduce corrosion. Check battery electrolyte levels in non-sealed units. Inspect drive belts for cracking and adjust tension. Verify brake disc wear and immersed brake condition. Test HVAC pressure and replace cabin filters.
TROJAN II 30LTR common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 929/12004 | Element, Suction | Scheduled service item | Check fitment → |
| A2/1817 | Gasket, Filter | Scheduled service item | Check fitment → |
| PP/1775 | Element, Filter | Scheduled service item | Check fitment → |
| PP/1722 | Filter | Scheduled service item | Check fitment → |
| PP/5135 | Element, Suction | Scheduled service item | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
TROJAN II 30LTR fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| P0001 | The control circuit of the fuel volume regulator is open | Open circuit in the wiring harness or connector for the fuel volume regulator; faulty regulator solenoid | Visually inspect the connecting wires and connectors for signs of damage, cut wires, or broken connections. Check ground points and ensure the battery is disconnected before work. |
| P0087 | Too low pressure in the fuel line / system | Fuel supply restriction, clogged filter, or failing fuel pump; air ingress in the fuel system | Check fuel filter condition and fuel line integrity. Inspect connectors for contamination and ensure proper sealing elements are intact. |
| P0102 | Torque Reduction MAF Low Voltage Fault | Mass Air Flow (MAF) sensor electrical fault; low voltage signal from the sensor circuit | Inspect the MAF sensor connector for damage or pollution. Clean pin contacts if contaminated. Verify wiring harness integrity for open circuits. |
| P0110 | Intake Air Temperature Sensor 1 Circuit | Fault in the intake air temperature sensor circuit; open or shorted wiring | Visually inspect the sensor wiring harness for shabby, cut, or broken wires. Check connector locking mechanisms and pin contacts for corrosion or damage. |
| P0335 | Crankshaft Position Sensor 'A' Circuit / No Signal | Crank sensor failure, open circuit, or signal loss due to wiring damage | Inspect the crank sensor wiring for damage, particularly near mechanical mechanisms or hot exhaust components. Verify connector security and pin condition. |
| P0336 | Torque Reduction Crank Sensor Fault (Signal Fault) | Crank signal out of limits or intermittent signal; sensor or wiring issue | Check the crank sensor and its wiring harness for intermittent faults or short circuits. Ensure the sensor is properly seated and the signal is within calibrated limits. |
| P0340 | Torque Reduction Cam signal last learnt value is outside of limits | Camshaft position sensor signal plausibility failure or mechanical timing issue | Verify the camshaft position sensor circuit and connector. Check for mechanical timing discrepancies if electrical faults are ruled out. |
| P0321-87 | CAN bus message error for engine speed from engine ECU | Communication fault on the CAN bus network; missing or corrupted engine speed data | Inspect CAN bus wiring and connectors for damage or corrosion. Use diagnostic software to check network status and clear the fault code log if appropriate. |
| P029B | Injector drift fault detection on Injector 2 | Injector 2 mechanical drift or electrical fault; MDP trim exceeds threshold | Inspect Injector 2 wiring and connector. Check for fuel system pressure issues. If electrical faults are absent, the injector may require replacement or calibration. |
| P256A | Circuit Open (for associated sensor/actuator) | Open circuit in the sensor or actuator wiring harness | Trace the wiring harness for the specific component to locate the open circuit. Check connectors and ground points for proper connection. |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
TROJAN II 30LTR attachments & work tools
Powerpacks & Groundcare Attachments
The TROJAN II 30LTR is categorized under the 'POWERPACKS' family in JCB parts catalogs, sharing applicability with the BEAVER II 5104 and BEAVER II 5106. Compatible implements include the D-PICK, T-PICK, HM25/HM25LV, HM29, 30ltr DISC CUTTER, EARTH DRILL, CORE DRILL, 4" TRASH PUMP, and 20ltr PUMP.
Lighting & Beacons
The machine utilizes the Ga - Trojan 30Ltr beacon (part reference the OEM part reference) as a standard or optional flashing beacon. This unit is listed as a genuine JCB equipment item specifically applicable to the Trojan 30Ltr series.
General Construction Attachments
JCB offers a global range of over 2,000 attachments including buckets, breakers, drills, forks, and quickhitches. These are designed to work with JCB machines across construction and industrial applications, though specific fitment for the Trojan II 30LTR requires verification against the machine's hydraulic and mounting specifications.
All TROJAN II 30LTR assemblies by section
Every catalogued assembly group for the Jcb TROJAN II 30LTR. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
A Portable Power Packs
A0-1-2 Machine & Engine, Identification
| 92***02 | Engine, Honda, 5.3hp Gx160k 1 Qx | 1 |
| PP***00 | Engine, Honda, 5 Hp Gx140 Qx | 1 |
A0-1-3 Machine & Engine, Identification
| 92***01 | Engine, Honda, 8hp Gx240 | 1 |
| 92***01 | Engine, Yanmar (Diesel), L70 Ae-D 7hp | 1 |
| 92***01 | Engine, Suzuki, V270 | 1 |
A0-1-4 Machine & Engine, Identification
| 92***01 | Engine, Honda, Gx390 Qx | 1 |
| PP***90 | Engine, Robin Dy35, Diesel | 1 |
| PP***16 | Engine, Robin Dy35, Diesel | 1 |
A0-1-1 Machine & Engine, Identification
| PP***90 | Engine, Robin Dy35, Diesel | 1 |
| PP***57 | Engine, Lombardini, 530 Series | 1 |
| PP***14 | Engine, Honda, 10 Hp G400 Qzdf | 1 |
A1-5-10 Chassis
| 13***0Z | Bolt | 0 |
| 13***0Z | Bolt | 0 |
| 13***9Z | Bolt, M8 X 35mm | 0 |
A1-5-8 Chassis
| 13***7Z | Screw, Hexagon M8 X 25 | 0 |
| 13***7Z | Bolt | 0 |
| 14***7Z | Washer, Plain, M8; Replaces Khn1550, San 12620 | 0 |
A1-5-14 Chassis, Conversion Kit, Mk Ii To Mk Iii
| 13***8Z | Bolt, M10 X 30 | 4 |
| 13***0Z | Bolt, M10 X 40 | 4 |
| 13***2Z | Bolt, Bolt; Qty Was 1 Off Before New Plate. Old Fasteners Were 13***8z X 2 & 13***2z X 1 | 2 |
A1-5-13 Chassis
| 13***8Z | Bolt, M10 X 30 | 0 |
| 13***0Z | Bolt, M10 X 40 | 0 |
| 13***2Z | Bolt, Bolt; Qty Was 1 Off Before New Plate. Old Fasteners Were 13***8z X 2 & 13***2z X 1 | 0 |
A1-5-6 Chassis
| 13***0Z | Bolt | 0 |
| 13***2Z | Bolt | 0 |
| 13***9Z | Bolt, M8 X 35mm | 0 |
A1-5-12 Chassis
| 13***0Z | Bolt | 0 |
| 13***0Z | Bolt | 0 |
| 13***9Z | Bolt, M8 X 35mm | 0 |
A1-5-11 Chassis
| 13***0Z | Bolt | 0 |
| 13***3Z | Screw, M6x16 | 0 |
| 13***9Z | Bolt, M8 X 35mm | 0 |
A1-5-15 Chassis
| 13***8Z | Bolt, M10 X 30 | 4 |
| 13***0Z | Bolt, M10 X 40 | 2 |
| 13***2Z | Bolt, Bolt; Qty Was 1 Off Before New Plate. Old Fasteners Were 13***8z X 2 & 13***2z X 1 | 3 |
A1-5-7 Chassis
| 13***0Z | Bolt | 0 |
| 13***2Z | Bolt | 0 |
| 13***9Z | Bolt, M8 X 35mm | 0 |
A1-5-4 Chassis & Frame
| 13***07 | Bolt | 0 |
| 13***7Z | Bolt, M10x25 | 2 |
| 13***8Z | Bolt, M10 X 30 | 2 |
A1-5-9 Chassis
| 13***5Z | Screw, Hexagon M8 X 20mm Long | 0 |
| 13***9Z | Bolt, M8 X 35mm | 0 |
| 13***9Z | Bolt, M10 X 35 | 0 |
A2-1-5 Pump, Hydraulic, Single
| 13***4Z | Screw, Grub | 0 |
| 13***09 | Capscrew, M6 X 35 | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 1 |
A2-1-9 Pump, Hydraulic
| 92***48 | Adapter | 1 |
| A3***07 | Gear, Drive | 0 |
| A4***93 | Gear, Drive, Gear, Drive; Lamborghihi Type. To Be Central With Items 1 And 12. | 0 |
A2-1-6 Pump, Hydraulic, Single
| 13***4Z | Screw, Grub | 0 |
| 13***09 | Capscrew, M6 X 35 | 0 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
A2-1-7 Pump, Hydraulic
| 13***1Z | Screw, Grub | 0 |
| 13***08 | Capscrew | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
A2-1-10 Pump, Hydraulic, Single
| 13***04 | Screw, Grub | 0 |
| 13***09 | Capscrew, M6 X 35 | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
A2-1-2 Pump, Hydraulic, Single
| 13***03 | Screw, Grub, M8 X 10mm | 0 |
| 13***08 | Capscrew | 4 |
| 13***10 | Capscrew | 0 |
A2-1-8 Pump, Hydraulic
| 13***4Z | Screw, Grub | 0 |
| 13***08 | Capscrew | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
A3-1-7 Valve, Control
| 13***2Z | Capscrew, M6 X 50 | 0 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
A3-1-8 Valve Assembly
| 13***2Z | Capscrew, M6 X 50 | 0 |
| 14***11 | Seal, Bonded | 0 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
A3-1-9 Valve, Relief
| 13***8Z | Bolt, M8x80mm Long | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
| 16***04 | Adapter, Male/Female | 0 |
A3-1-10 Valve, Manual
| 13***8Z | Bolt, M8x80mm Long | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
| 16***04 | Adapter, Male/Female | 0 |
A3-1-4 Valve, Control
| 13***7Z | Bolt, M10x25 | 0 |
| 13***05 | Screw, Cap | 0 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
A3-1-11 Valve Assembly
| 13***3Z | Capscrew | 0 |
| 13***2Z | Capscrew, M6 X 50 | 0 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
A3-1-6 Valve, Control
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
| 14***6Z | Washer, M6 | 0 |
A4-3-15 Hydraulic Circuit, Compact Ii
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
| 14***21 | Seal, Bonded 3/4" Bsp | 0 |
| 16***04 | Adapter, Male/Female | 0 |
A4-3-16 Hydraulic Circuit, Beaver Ii & Iii
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
| 14***21 | Seal, Bonded 3/4" Bsp | 0 |
A4-3-7 Hydraulic Circuit, Beaver Ii
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 3 |
| 14***21 | Seal, Bonded 3/4" Bsp | 0 |
A4-3-17 Pressure Gauge, Beaver
| 92***01 | Adapter, Tee | 0 |
| 92***02 | Connector | 0 |
| A2***58 | Panel, Gauge | 0 |
A4-3-10 Hydraulic Circuit, Trojan Ii
| 13***06 | Nut | 0 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
A4-3-2 Hydraulic Circuit, Solite
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
| 9***9 | Hose, Pump Suction | 0 |
| 9***0 | Hose, Feed | 1 |
A4-3-5 Hydraulic Circuit, Compact I & Beaver I
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
| 22***06 | Clip, Jubilee | 0 |
| 61***00 | Hose, 1/2"Bsp X 320mm | 0 |
A4-3-9 Hydraulic Circuit, Trojan I
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
| 14***21 | Seal, Bonded 3/4" Bsp | 0 |
| 22***06 | Clip, Jubilee | 0 |
A4-3-11 Hydraulic Circuit, Trojan Ii
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
| 14***21 | Seal, Bonded 3/4" Bsp | 0 |
A4-3-13 Hydraulic Circuit, Compact Ii
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
| 16***04 | Adapter, Male/Female | 0 |
| 22***06 | Clip, Jubilee | 0 |
A5-1-11 Tank, Hydraulic
| 13***0Z | Bolt | 0 |
| 13***3Z | Screw, M6x16 | 0 |
| 13***5Z | Bolt | 0 |
A5-1-4 Fan Housing
| 13***06 | Bolt | 0 |
| 13***3Z | Bolt | 0 |
| 13***03 | Bolt | 0 |
A5-1-6 Tank, Hydraulic
| 13***8Z | Bolt | 0 |
| 13***3Z | Screw, M6x16 | 0 |
| 13***5Z | Bolt | 0 |
A5-1-2 Tank & Filter, Hydraulic
| 13***2Z | Bolt | 0 |
| 13***03 | Nut | 0 |
| 13***05 | Screw, Cap | 0 |
A5-1-8 Tank, Hydraulic
| 13***6Z | Bolt, 5/16"Unf X 1" Long | 0 |
| 13***6Z | Bolt | 4 |
| 13***5Z | Bolt | 0 |
A5-1-9 Tank, Hydraulic
| 13***6Z | Bolt, 5/16"Unf X 1" Long | 0 |
| 13***5Z | Bolt | 0 |
| 13***8Z | Screw, M8x30 | 0 |
A5-1-10 Tank, Hydraulic
| 13***0Z | Bolt | 0 |
| 13***3Z | Screw, M6x16 | 0 |
| 13***5Z | Bolt | 0 |
A5-1-3 Fan Housing
| 13***05 | Bolt | 0 |
| 13***06 | Bolt | 0 |
| 13***03 | Bolt | 0 |
A5-1-7 Tank, Hydraulic
| 13***0Z | Bolt | 0 |
| 13***3Z | Screw, M6x16 | 0 |
| 13***5Z | Bolt | 0 |
A6-1-9 Ram, Power On Demand, Beaver I,Ii & Iii, Honda Engine Models
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 92***00 | Ram, Power On Demand | 0 |
| A2***49 | Pipe, Bundy | 0 |
A6-1-7 Ram, Power On Demand
| 13***5Z | Bolt, M5 X 20mm Long | 0 |
| 13***3Z | Screw, M6x16 | 0 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
A6-1-4 Ram, Power On Demand
| 13***02 | Nut | 0 |
| 13***09 | Capscrew, M6 X 35 | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
A6-1-11 Ram, Power On Demand, Trojan I Diesel
| 13***02 | Nut | 0 |
| 13***09 | Capscrew, M6 X 35 | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
A6-1-5 Ram, Power On Demand
| 13***3Z | Screw, M6x16 | 0 |
| 13***02 | Nut | 0 |
| 13***09 | Capscrew, M6 X 35 | 0 |
A6-1-1 Ram, Power On Demand
| 13***2Z | Nut; Replaces 162l006vr, San 12352 | 0 |
| 13***05 | Screw, Cap | 0 |
| 13***09 | Capscrew, M6 X 35 | 0 |
A6-1-17 Ram, P.O.D.
| 13***1Z | Nut | 2 |
| 24***03 | O Ring | 1 |
| 33***94 | Ram Cylinder (P.O.D. | 1 |
A6-1-16 Ram, Power On Demand, Compact Iii
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 92***00 | Ram, Power On Demand | 0 |
| A2***27 | Pipe, Bundy | 0 |
A6-1-14 Ram, Power On Demand, Beaver Iii Lobardini, Models 929/17200 & 929/18000
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 92***00 | Ram, Power On Demand | 0 |
| 92***03 | Link, Spring | 0 |
A6-1-13 Ram, Power On Demand, Trojan I & Ii Petrol
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 92***00 | Ram, Power On Demand | 0 |
| 92***09 | Bracket, Mounting | 0 |
A6-1-15 Ram, Power On Demand, Beaver Iii Suzuki, Model 929/16600
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 92***00 | Ram, Power On Demand | 0 |
| 92***02 | Bracket, Mounting | 0 |
A6-1-8 Ram, Power On Demand
| 13***3Z | Screw, M6x16 | 0 |
| 13***02 | Nut | 0 |
| 13***09 | Capscrew, M6 X 35 | 0 |
A6-1-12 Ram, Power On Demand, Trojan Ii Diesel
| 14***08 | Seal, Washer | 0 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 16***01 | Adapter | 0 |
A6-1-6 Ram, Power On Demand
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 14***02 | Screw | 1 |
| 92***00 | Ram, Power On Demand | 0 |
A6-1-10 Ram, Power On Demand, Beaver Ii & Iii, Yanmar Engine Models
| 13***4Z | Capscrew | 0 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 14***6Z | Washer, M6 | 0 |
A6-1-2 Ram, Power On Demand
| 13***3Z | Nut | 0 |
| 13***2Z | Nut; Replaces 162l006vr, San 12352 | 0 |
| 13***0Z | Capscrew | 0 |
A9-1-6 Battery & Components, Trojan I, Models 929/02800, 929/03400
| 13***1Z | Setscrew, M6 X 12mm Long | 0 |
| 13***3Z | Nut | 0 |
| 14***5Z | Washer, M5; Replaces 69***59 | 0 |
A9-1-7 Battery & Components, Trojan Ii 20 Litre, Models 929/02600, 929/02800
| 13***1Z | Setscrew, M6 X 12mm Long | 0 |
| 13***03 | Nut | 0 |
| 14***5Z | Washer, M5; Replaces 69***59 | 0 |
A9-1-2 Battery & Components, Solite 5060
| 13***5Z | Bolt | 0 |
| 13***3Z | Nut | 0 |
| 14***5Z | Washer, M5; Replaces 69***59 | 0 |
A9-1-9 Battery & Components, Beaver Iii
| 12***03 | Tie, Cable, L=300mm X W=7.6mm | 0 |
| 13***4Z | Bolt, M6 X 60 | 0 |
| 13***5Z | Bolt, M6 X 35 | 0 |
A9-1-4 Battery & Components, Solite 5080
| 13***03 | Bolt | 0 |
| 13***10 | Screw, Cap | 0 |
| 14***6Z | Washer, M6 | 0 |
A9-1-5 Battery & Components, Trojan I, Model 929/02600 Only
| 13***1Z | Setscrew, M6 X 12mm Long | 0 |
| 13***10 | Screw, Cap | 0 |
| 14***6Z | Washer, M6 | 0 |
A9-1-3 Battery & Components, Solite 5063
| 13***5Z | Bolt | 0 |
| 13***3Z | Nut | 0 |
| 14***5Z | Washer, M5; Replaces 69***59 | 0 |
A9-1-8 Battery & Components, Trojan Ii 30 Litre, Model 929/03400 Only
| 13***1Z | Setscrew, M6 X 12mm Long | 0 |
| 13***3Z | Nut | 0 |
| 14***5Z | Washer, M5; Replaces 69***59 | 0 |
B Handheld Attachments
B4-2-2 Valve, Control, Disc Cutter
| 13***01 | Screw, Grub, Cutting Disc | 0 |
| 13***2P | Screw, Cap | 0 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
B4-3-1 Chainsaw Model 5023
| 5***3 | Tool, Chain Saw, Complete | 0 |
| A3***50 | Guard | 0 |
| A3***73 | Guard, Hand | 0 |
B4-1-1 Motor Drive, Disc Cutter/Chainsaw, Models 5023, 5024
| 13***2Z | Capscrew, M5 X 12 | 0 |
| 9***1 | Kit-Seal | 1 |
| 9***3 | Kit-Seal | 1 |
B4-3-2 Disc Cutter 5024
| 13***03 | Screw, Cap | 0 |
| 14***09 | Washer, M12, Plain | 0 |
| 14***05 | Washer, 'S' | 0 |
B4-2-1 Valve Control, Chainsaw
| 13***2P | Screw, Cap | 0 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
B4-3-3 Chassis, Disc Cutter/Chainsaw, Models 5023, 5024
| 13***05 | Bolt | 0 |
| 13***01 | Screw, Cap | 0 |
| 13***05 | Screw | 0 |
B5-2-1 Drill, Rotary Percussive, Model 5020
| 13***07 | Screw, Cap | 0 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 14***7Z | Washer, Spring | 0 |
B5-1-1 Motor & Valve, Drill, Rotary Percussive, Model 5020
| 13***02 | Capscrew, M5 X 12 | 0 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 14***05 | Washer, 'S' | 0 |
B5-3-1 Drill Bits, & Accessories
| 99***01 | Bit, Drill | 1 |
| 99***02 | Bit, Drill | 1 |
| 99***03 | Bit, Drill | 1 |
B6-1-8 Breaker, Jcb 20kg, & Hi Power 23kg, Standard
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
| 21***5Z | Pin, Tension | 1 |
B6-1-6 Pick, 'T' Handle, Krupp Hm12e, Model 5083
| 13***11 | Screw, Cap | 4 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 5***9 | Kit-Hose | 0 |
B6-1-10 Breaker, Jcb 26kg, 20 & 30 Litre, Standard
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
| 21***5Z | Pin, Tension | 0 |
B6-1-1 Breaker, Krupp Hm25, Models 995/36400, 5078
| 13***19 | Capscrew, M16x90, Grade 12.9 | 1 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 21***03 | Dowel | 0 |
B6-1-9 Breaker, Jcb 22kg, & Hi-Power 23kg, Flexi-Handles
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
| 92***00 | Breaker, Assembly, 22kg, Flexi - Handles | 1 |
B6-2-3 Breaker Steels, 25mm (1") Shank
| PP***11 | Tool, Chisel, 22kg | 0 |
| PP***12 | Tool, Asphalt Cutter, 22kg | 0 |
| PP***13 | Tool, Rammer Pad Stem | 0 |
B6-1-14 Handles, Demolition Pick
| 14***7Z | Washer, Plain, M8; Replaces Khn1550, San 12620 | 4 |
| 92***32 | Handle, 'D' | 1 |
| 92***33 | Handle, 'T' | 1 |
B6-1-13 Demolition Pick Jcb
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
| 92***08 | Screw, Charging | 0 |
B6-1-4 Pick, Demolition, Krupp Hm12b, Model 5075
| 13***11 | Screw, Cap | 4 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 5***9 | Kit-Hose | 0 |
B6-2-2 Breaker Steels, 22mm (7/8") Shank
| PP***58 | Tool, Chisel, 1 Inch (25mm) Wide | 0 |
| PP***20 | Tool, Rammer Stem | 0 |
| PP***21 | Tool, Tarmac Cutter 5" | 0 |
B6-1-7 Breaker 25 Kg, Npk H-55
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 5***9 | Kit-Hose | 0 |
| 92***00 | Tool, Breaker H-55 | 0 |
B6-2-1 Breaker Steels, 32mm (1 1/4") Shank
| 99***14 | Pad, Rammer | 0 |
| 99***15 | Tool, Moil, Tool, Moil; 380mm Long Below Collar. 160mm (6 1/4") Long Above Collar | 0 |
| 99***16 | Tool, Chisel, Narrow | 0 |
B6-1-11 Breaker, Jcb 28kg, 20 & 30 Litre, Flexi-Handles
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
| 92***41 | Housing | 1 |
B6-1-12 Breaker, Stanley, Br67
| 12***00 | Breaker, Road | 0 |
| 12***01 | Handle | 0 |
| 12***02 | Grab | 0 |
B7-4-1 Pump, Submersible, & Discharge Hose, 2000lbf/In2 (138 Bar)
| 13***5Z | Bolt, Star Drive, M8 X 65mm | 0 |
| 13***02 | Nut | 0 |
| 13***8Z | Capscrew | 0 |
B7-3-1 Pump, Submersible, & Discharge Hose, 2000 Lbf/In2 (138 Bar)
| 13***5Z | Bolt, Star Drive, M8 X 65mm | 0 |
| 13***02 | Nut | 0 |
| 13***8Z | Capscrew | 0 |
B7-2-1 Pump, Submersible, & Discharge Hose, 1000 Lbf/In2 (69 Bar)
| 13***5Z | Bolt, Star Drive, M8 X 65mm | 0 |
| 13***02 | Nut | 0 |
| 13***8Z | Capscrew | 0 |
B8-1-1 Circuit, Lighting
| 9***7 | Kit, Lighting Circuit | 1 |
| PP***32 | Screw, Button Head | 1 |
B8-1-2 Circuit, Lighting
| 92***00 | Kit, Lighting Circuit | 1 |
| PP***32 | Screw, Button Head | 1 |
B9-1-1 Auger, Earth
| 13***4Z | Screw, Grub | 0 |
| 33***92 | Adapter, Assembly | 1 |
| 92***00 | Tool, Earth Auger | 0 |
B10-2-1 Impact Mechanism
| 92***01 | Gearbox, Impact | 0 |
| 92***27 | Seal, Oil | 0 |
| 92***28 | Housing, Front | 0 |
B10-4-1 Rear Plate Assembly
| 92***03 | Plate, Assembly, Rear | 0 |
| 92***77 | Plate, Rear | 0 |
| 92***78 | Plug | 0 |
B10-3-1 Motor Assembly
| 92***02 | Motor, Assembly | 0 |
| 92***54 | Motor | 0 |
| 92***55 | Housing, Motor | 0 |
B10-1-1 Impact Wrench, 1" Square Drive
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 92***00 | Wrench, Impact | 0 |
| 92***10 | Handle, Top | 0 |
B10-5-1 Valve Assembly
| 92***04 | Valve, Assembly | 0 |
| 92***96 | Handle, Twist Grip | 0 |
| 92***97 | Housing, Valve | 0 |
Frequently asked questions
What engine does the JCB Trojan II 30LTR use?
The JCB Trojan II 30LTR uses a Honda GX390 petrol engine.
What is the operating weight of the JCB Trojan II 30LTR?
The operating weight of the JCB Trojan II 30LTR is 93 kg.
What model replaced the JCB Trojan II 30LTR?
The source text does not specify a successor model to the JCB Trojan II 30LTR.
What TROJAN II 30LTR owners discuss
What are the known powertrain and hydraulic behaviors for the JCB TROJAN II 30LTR?
The machine utilizes a JCB Dieselmax engine. Community troubleshooting indicates that hydraulic shuttle transmissions may experience intermittent forward operation due to electrical faults in the forward/reverse microswitches or solenoids on the transmission body, rather than mechanical failure. Operators note that the machine is designed for tight loading and unloading applications but requires careful monitoring of drive chain tension to prevent hammering of motors and drive components.
What undercarriage or wear patterns are typical for this machine type?
Operators report that the machine is prone to accelerated tire wear, described as 'eating tyres,' particularly in telehandler or skid-steer configurations. Undercarriage maintenance focuses on drive chain tension; loose chains can cause excessive impact on motors and other drive components. Rubber track wear is also a common maintenance item, with users frequently sourcing replacements for compact track variants.
What are the engine quirks per series for the JCB TROJAN II 30LTR?
The machine is powered by a JCB 444 engine series. Early Dieselmax variants (Tier 2/early Tier 3) are prone to big end bearing failures on the crankshaft if oil change intervals are extended. Later Tier 4i and T4 Final EcoMax variants are sensitive to fuel quality, with faulty injectors causing rough running, white smoke, and poor starting. In dusty environments, standard air filtration may be overwhelmed, leading to high oil consumption and piston ring wear unless a cyclone pre-filter is installed.
What are common electrical or sensor issues?
Starting problems are the most frequent complaint, often traced to weak batteries (requiring at least 12.4V for 12V systems) or corroded terminals. Electrical faults in the shuttle transmission control system, specifically failed forward/reverse microswitches or solenoids, can cause the machine to rev without moving. On telematics-equipped models, operators note that 'over the top' ECUs can be expensive to maintain and are prone to complex electronic failures.
What should be checked when buying a used TROJAN II 30LTR?
Inspect the drive chain tension and adjust if necessary to prevent motor damage. Verify the operation of the forward and reverse microswitches and solenoids to ensure the shuttle transmission engages correctly in both directions. Check the engine data plate to identify the specific 444 engine generation (Dieselmax vs. EcoMax) to anticipate potential injector or bearing issues. Confirm the condition of the air filtration system, especially if the machine was used in dusty conditions, and check for signs of coolant leaks or overheating damage.
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 TROJAN II 30LTR. Related factory variants of the same model family:
TROJAN II 30LTRTROJAN II 30LTR
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