Jcb PUMPS
Maintenance schedule, common problems & OEM parts breakdown
The JCB PUMPS machine refers to the hydraulic power units and pump assemblies integrated into JCB’s construction and agricultural equipment line, primarily serving the 3CX/4CX backhoe loader, JS-series excavator, and Loadall telehandler families. These units are driven by JCB’s EcoMAX or Dieselmax engines, which vary by model year and regional emissions tier, delivering power to twin hydraulic circuits for loader, backhoe, and auxiliary functions. Operating weights for the host machines range from approximately 9,182 lb (4,165 kg) for compact variants to over 87,083 lb (39,455 kg) for larger excavators, with production spanning multiple generations from the early 3C series through the current 4CX and JS330/360 models. Configurations include standard, long-reach, and heavy-duty undercarriage setups, with the PUMPS designation specifically denoting the hydraulic pump assemblies (gear, vane, or piston types) that convert engine torque into hydraulic flow for these distinct machine classes.
Across generations, JCB PUMPS configurations evolved from mechanical gear and vane pumps in early 3C/3D models to high-pressure axial piston pumps in the 3CX/4CX and JS-series excavators, reflecting a shift toward higher flow rates, variable displacement control, and integrated load-sensing systems. This transition improved hydraulic responsiveness and fuel efficiency but increased complexity in pump seal kits and control valve assemblies. In the used and parts market, these pumps remain critical because JCB’s extended 500-hour oil intervals and robust EcoMAX engine durability keep older machines in high demand, driving consistent need for replacement main pumps, swing motors, and travel drives. The lack of a 250-hour service interval means hydraulic systems endure longer between major fluid changes, making pump wear and seal integrity key factors in residual machine value and parts availability.
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 PUMPS specifications
Engine
| Model | JCB 430 (per JCB 3DX specification) |
| Emissions Tier | Stage V (EU) / Tier 4 Final (US) |
| Net Power | 37 kW (49 hp) @ 2000 rpm |
| Displacement | Not documented for this exact serial range — verify with your dealer |
| Cylinders | Not documented for this exact serial range — verify with your dealer |
Weights
| Operating Weight | 7510 kg (16,557 lb) |
| 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 | 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 PUMPS maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the PUMPS beyond the schedule
Predictive Maintenance & Fluid Analysis
Monitor hydraulic oil temperature and pressure at the pump outlet during operation. Sample hydraulic oil every 500 hours for viscosity, water content, and particle count to detect internal pump wear. Check the hydraulic tank breather cap for clogging, which can cause pump cavitation and seal failure. Inspect suction lines for air ingress, indicated by foamy oil or erratic actuator movement. Use JCB-specified hydraulic oil to maintain pump viscosity and prevent premature wear of piston barrels and swash plates.
Corrective & Common Repairs
Replace pump seal kits when hydraulic flow drops below specification or when external leaks appear at shaft seals. Common failures include worn piston shoes, damaged swash plate bearings, and cracked pump housings. Inspect the drive coupling between the engine and pump for shear pin damage or bolt failure. Replace hydraulic filter elements immediately if contamination is detected to prevent scoring of pump internal components. Verify pump case drain flow; excessive case drain indicates internal bypass and necessitates pump overhaul or replacement.
Overhaul & Rebuild Points
Overhaul hydraulic pumps when flow loss exceeds 10% of rated capacity or when pressure cannot be maintained under load. Disassemble the pump to inspect piston barrels, cylinder blocks, and valve plates for scoring or pitting. Replace all seals, O-rings, and gaskets during overhaul, even if they appear intact. Reassemble with JCB-specified hydraulic fluid and prime the pump before startup to prevent dry running. Torque all housing bolts to factory specification to prevent case leaks and maintain internal pressure integrity.
Seasonal & Environment Servicing
In cold climates, use low-temperature hydraulic oil to prevent pump cavitation during startup. Warm up the hydraulic system by cycling actuators before applying full load. In dusty environments, inspect air filters and hydraulic tank breathers more frequently to prevent contamination. Check hydraulic hoses for cracking due to UV exposure or temperature cycling. After heavy rain or water crossing, inspect pump shaft seals for water ingress and drain the fuel water separator daily. Store machines in dry conditions to prevent corrosion of pump mounting surfaces and hydraulic connections.
PUMPS common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 926/26705 | Filter, Fuel | Fuel system service | Check fitment → |
| 929/19803 | Filter, Air | Air intake service | Check fitment → |
| 926/26704 | Filter, Air | Air intake service | Check fitment → |
| 929/27402 | Filter, Air | Air intake service | Check fitment → |
| 929/29813 | Pipe, Return Filter | Scheduled service item | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
PUMPS fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| P0087 | Fuel rail pressure too low | Fuel pipe restriction, faulty fuel pump, or damaged harness | Check fuel supply lines and pump operation |
| P0088 | Fuel rail pressure too high | Fuel pressure regulator or sensor fault | Inspect fuel pressure regulator and sensor circuit |
| P0200 | Injector circuit open | Open circuit in injector wiring or connector | Visually inspect wiring harness and connectors for damage |
| P0201 | Injector circuit open – 1st cylinder | Open circuit in 1st cylinder injector wiring | Check 1st cylinder injector connector and wiring |
| P0335 | Crankshaft Position Sensor 'A' Circuit (No Signal) | Faulty crank sensor or damaged harness | Inspect crank sensor and wiring for continuity |
| P0325 | Accelerometer fault (signal/noise ratio too low in idle) | Faulty accelerometer sensor or connection | Check accelerometer sensor and wiring |
| P0110 | Intake Air Temperature Sensor 1 Circuit | Faulty IAT sensor or wiring issue | Inspect IAT sensor and connector |
| P0115 | Engine Coolant Temperature Sensor 1 Circuit | Faulty coolant temp sensor or wiring issue | Inspect coolant temp sensor and connector |
| P0236 | Turbocharger/Supercharger Boost Sensor 'A' Circuit Range/Performance | Faulty boost sensor or wiring issue | Inspect boost sensor and wiring |
| P0252 | Fuel Metering Control 'A' (Cam/Rotor/Injector) Range/Performance | Faulty fuel metering device or control circuit | Inspect fuel metering device and control circuit |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
PUMPS attachments & work tools
Submersible Pumps
JCB offers two types of clear water submersible pumps designed to suit different hydraulic flow powerpacks. These units are self-priming with a high power-to-weight ratio and are hydraulically driven, making them self-lubricating and maintenance-free. They feature flat-faced quick-release dripless couplings for rapid attachment changes and include a 10m x 2in lay flat hose. The pumps are capable of handling solids in suspension up to 8mm (6/10in) in diameter and will run dry without damage.
Hydraulic Breakers
JCB provides an OEM breaker range designed to work in harmony with its machines and other excavator carriers. Breakers are available with or without autogreasers, with weights varying by size class from approximately 450 kg to 5890 kg. These attachments are compatible with a wide range of JCB models, including the 2CX, 3CX, 3C, 3D, 3ZL, 407, 408, 409, 410ZX, 70, JS130, JS145, JS150, JS160, JS175, JS180, JS200, JS210, JS220, JS240, JS330, K300, and K912.
Quick Hitches
JCB quick hitches utilize a variable pin centre design to accommodate a wider range of attachment sizes, maximizing flexibility and productivity. The system allows for fast changeover of tools such as buckets, forks, and breakers, significantly reducing downtime. Both manual and hydraulic options are available depending on the specific machine type and operator requirements.
Tilt Rotators
Tilt rotators are advanced accessories for JCB excavators and backhoes that enable attachments to tilt up to 45 degrees and rotate 360 degrees. They feature an integrated hydraulic system that connects seamlessly to the machine to provide multi-directional movement. This configuration allows for complex tasks like grading and trenching on slopes without repositioning the carrier machine.
Sweepers
JCB offers a range of sweepers to increase the versatility of its machines for municipal and maintenance applications. These attachments are designed to work in perfect harmony with JCB equipment as well as competitor machines across various industries.
Forks
A range of fork options is available for effortless pick-and-place applications. These attachments are designed to integrate with JCB quick hitch systems to maximize flexibility and productivity on the job site.
All PUMPS assemblies by section
Every catalogued assembly group for the Jcb PUMPS. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
A Power Packs
A1-1-1 Engine, Compact Mkiii
| 92***02 | Engine, Honda, 5.3hp Gx160k 1 Qx | 1 |
| 92***03 | Filter, Air | 1 |
A1-4-1 Engine, Duopower Mkiii
| 92***03 | Key, Drive Shaft | 1 |
| 92***04 | Filter, Air | 1 |
| 92***05 | Filter, Fuel | 1 |
A1-2-1 Engine, Beaver Mkiii
| 92***01 | Engine, Honda, 8hp Gx240 | 1 |
| 92***01 | Engine, Yanmar (Diesel), L70 Ae-D 7hp | 1 |
| 92***01 | Engine, Suzuki, V270 | 1 |
A1-3-1 Engine, Trojan Mkiii
| 92***01 | Engine, Honda, Gx390 Qx | 1 |
| 92***01 | Engine, Yanmar L100ae-D, Diesel | 1 |
| 92***02 | Filter, Air | 1 |
A2-3-1 Chassis, Trojan Mkiii
| 13***0Z | Bolt, 1/2" X 1.1/2" Long | 2 |
| 13***8Z | Bolt, M10 X 30 | 4 |
| 13***7Z | Bolt | 2 |
A2-1-1 Chassis, Compact Mkiii
| 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 |
A2-4-1 Chassis, Duopower Mkiii
| 13***8Z | Bolt, M10 X 30 | 4 |
| 13***7Z | Bolt | 2 |
| 13***2Z | Bolt | 2 |
A2-2-1 Chassis, Beaver Mkiii
| 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 |
A3-1-1 Pump Hydraulic, Compact Mkiii
| 13***4Z | Screw, Grub | 1 |
| 13***09 | Capscrew, M6 X 35 | 4 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 1 |
A3-3-2 Pump Hydraulic, Trojan Mkiii, 30 Litre
| 13***4Z | Screw, Grub | 1 |
| 13***9Z | Capscrew, M6 X 35 | 4 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 1 |
A3-3-1 Pump Hydraulic, Trojan Mkiii, 20 Litre
| 13***4Z | Screw, Grub | 1 |
| 13***9Z | Capscrew, M6 X 35 | 4 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 1 |
A3-2-2 Pump Hydraulic, Beaver Mkiii, >877032
| 13***4Z | Screw, Grub | 0 |
| 13***09 | Capscrew, M6 X 35 | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
A3-4-1 Pump Hydraulic, Duopower Mkiii
| 13***4Z | Screw, Grub | 1 |
| 13***9Z | Capscrew, M6 X 35 | 4 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 4 |
A3-2-1 Pump Hydraulic, Beaver Mkiii
| 13***4Z | Screw, Grub | 0 |
| 13***09 | Capscrew, M6 X 35 | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
A4-2-1 Valve Assembly, Beaver Mkiii
| 13***3Z | Capscrew | 0 |
| 13***2Z | Capscrew, M6 X 50 | 0 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 2 |
A4-1-1 Valve Assembly, Compact Mkiii
| 13***3Z | Capscrew | 0 |
| 13***2Z | Capscrew, M6 X 50 | 0 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 2 |
A4-3-1 Valve Assembly, Trojan Mkiii
| 13***3Z | Capscrew | 0 |
| 13***2Z | Capscrew, M6 X 50 | 0 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 4 |
A4-1-3 Valve, Manual, Compact Mkiii
| 13***8Z | Bolt, M8x80mm Long | 0 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
A4-4-1 Valve Assembly, Doupower Mkiii
| 13***07 | Capscrew, M6 X 100 | 0 |
| 13***3Z | Capscrew | 0 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 4 |
A4-1-2 Valve Relief, Compact Mkiii
| 13***8Z | Bolt, M8x80mm Long | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
| 16***04 | Adapter, Male/Female | 0 |
A5-3-2 Hose & Pipework, Drojan Mkiii, 30 Litre
| 14***15 | Washer, Seal; Replaces Khj0891 | 1 |
| 14***21 | Seal, Bonded 3/4" Bsp | 1 |
| 22***06 | Clip, Jubilee | 6 |
A5-3-1 Hoses & Pipework, Trojan Mkiii, 20 Litre
| 13***06 | Nut | 0 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 14***21 | Seal, Bonded 3/4" Bsp | 0 |
A5-1-1 Hoses & Pipework, Compact Mkiii
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
| 14***21 | Seal, Bonded 3/4" Bsp | 0 |
A5-2-1 Hose & Pipework, Beaver Mkiii
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
| 14***21 | Seal, Bonded 3/4" Bsp | 0 |
A5-4-1 Hose & Pipework, Duopower Mkiii
| 13***2Z | Capscrew, M5 X 12 | 3 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 2 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 4 |
A6-1-1 Tank, Hydraulic, Compact Mkiii
| 13***8Z | Bolt | 5 |
| 13***3Z | Screw, M6x16 | 0 |
| 13***5Z | Bolt | 0 |
A6-2-1 Tank, Hydraulic, Beaver Mkiii
| 13***0Z | Bolt | 4 |
| 13***3Z | Screw, M6x16 | 0 |
| 13***5Z | Bolt | 0 |
A6-4-1 Tank, Hydraulic, Duopower Mkiii
| 13***0Z | Bolt | 4 |
| 13***5Z | Bolt | 2 |
| 13***8Z | Screw, M8x30 | 6 |
A6-3-1 Tank, Hydraulic, Trojan Mkiii
| 13***6Z | Bolt, 5/16"Unf X 1" Long | 4 |
| 13***0Z | Bolt | 4 |
| 13***6Z | Bolt | 0 |
A7-3-3 Ram, Power On Demand, Trojan Mkiii, Yanmar Engine
| 13***4Z | Capscrew | 1 |
| 14***08 | Seal, Washer | 1 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 1 |
A7-5-1 Ram, P.O.D.
| 13***1Z | Nut | 2 |
| 24***03 | O Ring | 1 |
| 33***94 | Ram Cylinder (P.O.D. | 1 |
A7-2-2 Ram, Power On Demand, Beaver Mkiii, Honda Engine
| 14***15 | Washer, Seal; Replaces Khj0891 | 1 |
| 92***00 | Ram, Power On Demand | 1 |
| 92***01 | Stop, Spring | 1 |
A7-2-3 Ram, Power On Demand, Beaver Mkiii, Suzuki Engine
| 14***15 | Washer, Seal; Replaces Khj0891 | 1 |
| 92***00 | Ram, Power On Demand | 1 |
| 92***01 | Stop, Spring | 1 |
A7-2-1 Ram, Power On Demand, Beaver Mkiii, Yanmar Engine
| 13***4Z | Capscrew | 1 |
| 14***08 | Seal, Washer | 2 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 1 |
A7-3-2 Ram, Power On Demand, Trojan Mkiii, Robin Engine
| 14***08 | Seal, Washer | 1 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 1 |
| 16***01 | Adapter | 1 |
A7-4-1 Ram, Power On Demand, Duopower Mkiii
| 13***4Z | Screw, Grub | 2 |
| 13***9Z | Capscrew, M6 X 35 | 1 |
| 14***11 | Seal, Bonded | 3 |
A7-3-1 Ram, Power On Demand, Trojan Mkiii, Honda Engine
| 14***08 | Seal, Washer | 1 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 1 |
| 16***01 | Adapter | 1 |
A7-2-4 Ram, Power On Demand, Beaver Mkiii, Lombardini Engine
| 14***08 | Seal, Washer | 2 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 1 |
| 16***01 | Adapter | 1 |
A7-1-1 Ram, Power On Demand, Compact Mkiii
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 92***00 | Ram, Power On Demand | 0 |
| 92***01 | Stop, Spring | 1 |
A8-1-7 Valve Assembly
| 16***04 | Adapter, Male/Male | 2 |
| 33***48 | Plate, Valve Support | 1 |
| 58***67 | Canister Filter, 25 Microns Abs Fibre | 1 |
A8-3-1 Battery & Components, Trojan Mkiii
| 12***03 | Tie, Cable, L=300mm X W=7.6mm | 2 |
| 13***3Z | Screw, M6x16 | 2 |
| 13***7Z | Bolt, M10x25 | 2 |
A8-1-5 Ram, Mounting
| 13***3Z | Capscrew | 2 |
| 98***34 | P.O.D. Ram G/A, Powerpack Power On D | 1 |
| A2***27 | Pipe, Bundy | 1 |
A8-4-1 Battery & Components, Duopower Mkiii
| 12***03 | Tie, Cable, L=300mm X W=7.6mm | 2 |
| 13***3Z | Screw, M6x16 | 2 |
| 13***7Z | Bolt, M10x25 | 2 |
A8-1-2 Engine Assembly, Honda
| 01***56 | Engine, Honda Gx160k1qx7, Recoil Start | 1 |
A8-1-3 Chassis
| 13***9Z | Bolt, M8 X 35mm | 4 |
| 13***1Z | Capscrew | 11 |
| 33***72 | Front Panel | 1 |
A8-2-1 Battery & Components, Beaver Mkiii
| 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 |
A8-1-6 Pump
| 13***1Z | Screw, Grub | 1 |
| 13***7Z | Capscrew | 4 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 2 |
A8-1-8 Hose And Pipework
| 22***06 | Clip, Jubilee | 5 |
| 32***67 | Suction Filter | 1 |
| 83***21 | Strainer_cooler Hose | 1 |
A8-1-4 Tank, Hydraulic
| 30***51 | Fan | 1 |
| 33***83 | Pump Mounting Plate | 1 |
| 33***26 | Connector, Air Inlet | 1 |
B Handheld Attachments
B1-2-1 Flexi-Handle Breaker, 22kg & 25kg
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
| 92***00 | Breaker, Assembly, 22kg, Flexi - Handles | 1 |
B1-4-1 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 |
B1-3-4 Breaker, Sales Special 994/A0756
| 14***15 | Washer, Seal; Replaces Khj0891 | 1 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 2 |
| 24***03 | O Ring | 1 |
B1-3-1 Demolition Pick, Screw Nose
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
| 24***03 | O Ring | 1 |
B1-3-3 Handles, Pick, D & T
| 13***16 | Capscrew, M8 X 70mm | 2 |
| 14***7Z | Washer, Plain, M8; Replaces Khn1550, San 12620 | 4 |
| 92***32 | Handle, 'D' | 1 |
B1-1-1 Standard Breaker, 20kg & 23kg
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
| 21***17 | Pin, Tension | 1 |
B1-4-2 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 |
B1-2-2 Flexi-Handle Breaker, 28kg
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
| 92***02 | Capscrew | 4 |
B1-3-2 Demolition Pick, Latch Nose
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
| 92***08 | Screw, Charging | 0 |
B1-4-3 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 |
B1-1-2 Standard Breaker, 26kg
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 0 |
| 21***17 | Pin, Tension | 1 |
B2-2-1 Chassis, Disc Cutter
| 13***5Z | Bolt | 1 |
| 13***05 | Screw | 3 |
| 13***07 | Capscrew, M12 X 25mm Lg. | 2 |
B2-3-1 Motor, Disc Cutter
| 13***2Z | Capscrew, M5 X 12 | 6 |
| 14***5Z | Washer, Spring, M5 | 6 |
| 9***1 | Kit-Seal | 1 |
B2-1-1 Disc Cutter
| 13***3Z | Capscrew | 2 |
| 14***09 | Washer, M12, Plain | 2 |
| 14***05 | Washer, 'S' | 2 |
B2-4-1 Control Valve/Hoses, Disc Cutter
| 13***12 | Capscrew | 1 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 4 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 3 |
B3-1-1 Drill, Rotary, Percussive
| 13***07 | Screw, Cap | 0 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 14***7Z | Washer, Spring | 0 |
B3-2-1 Motor & Valve, Percussive Drill
| 13***02 | Capscrew, M5 X 12 | 0 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 14***05 | Washer, 'S' | 0 |
B3-3-1 Drill Bits, & Accessories
| 99***01 | Bit, Drill | 1 |
| 99***02 | Bit, Drill | 1 |
| 99***03 | Bit, Drill | 1 |
B4-2-1 Pump, Submersible, 20l/Min, 2000lbf/In2, (138 Bar)
| 13***5Z | Bolt, Star Drive, M8 X 65mm | 0 |
| 13***02 | Nut | 0 |
| 13***8Z | Capscrew | 0 |
B4-3-1 Pump, Submersible, 30l/Min, 2000lbf/In2, (138 Bar)
| 13***5Z | Bolt, Star Drive, M8 X 65mm | 0 |
| 13***02 | Nut | 0 |
| 13***8Z | Capscrew | 0 |
B5-1-1 Auger, Earth
| 13***4Z | Screw, Grub | 0 |
| 33***78 | Adapter, Pin | 1 |
| 33***92 | Adapter, Assembly | 1 |
B6-4-1 Rear Plate, Impact Wrench
| 92***03 | Plate, Assembly, Rear | 0 |
| 92***77 | Plate, Rear | 0 |
| 92***78 | Plug | 0 |
B6-1-1 Impact Wrench
| 14***15 | Washer, Seal; Replaces Khj0891 | 0 |
| 92***00 | Wrench, Impact | 0 |
| 92***10 | Handle, Top | 0 |
B6-2-1 Mechanism, Impact Wrench
| 92***01 | Gearbox, Impact | 0 |
| 92***27 | Seal, Oil | 0 |
| 92***28 | Housing, Front | 0 |
B6-3-1 Motor, Impact Wrench
| 92***02 | Motor, Assembly | 0 |
| 92***54 | Motor | 0 |
| 92***55 | Housing, Motor | 0 |
B7-21-1 Breaker, Hm29, 1-1/4" Shank, 30 Litre 929/92900
| 13***1Z | Capscrew, M5x45 | 4 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 1 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 4 |
B7-20-1 Breaker, Hm29, 1-1/4" Shank, 20 Litre 929/92700
| 13***2Z | Screw, Cap, M5 X 50mm; Replaces Aev0030, San 12455 | 4 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 1 |
| 14***18 | Seal, Bonded, 1/2" Bsp | 4 |
B7-2-1 Breaker, Hm22, 1" X 4-1/4" Shank, 929/92600
| 13***2Z | Screw, Cap, M5 X 50mm; Replaces Aev0030, San 12455 | 4 |
| 13***19 | Capscrew | 2 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 1 |
B7-10-1 Breaker, Hm25, 1-1/4" Shank, 929/92400
| 13***9D | Capscrew | 6 |
| 13***2Z | Screw, Cap, M5 X 50mm; Replaces Aev0030, San 12455 | 4 |
| 13***19 | Capscrew | 2 |
B7-30-1 Breaker Steels, 28mm (1 1/8") Shank
| 92***56 | Tool, Moil, Breaker Steel | 1 |
| 92***57 | Tool, Chisel Breaker Steel | 1 |
B7-1-1 Breaker, Hm22, 7/8" X 3-1/4" Shank, 929/92500
| 13***2Z | Screw, Cap, M5 X 50mm; Replaces Aev0030, San 12455 | 4 |
| 13***19 | Capscrew | 2 |
| 14***15 | Washer, Seal; Replaces Khj0891 | 1 |
B8-2-1 Power Pack, Multiflow 929/96800
| 01***56 | Exhaust, Multi Flow | 1 |
| 13***6Z | Bolt | 4 |
| 13***3Z | Screw, M6x16 | 4 |
B8-3-1 Ram, Power On Demand
| 13***1Z | Nut | 2 |
| 24***03 | O Ring | 1 |
| 33***94 | Ram Cylinder (P.O.D. | 1 |
B8-1-1 Power Pack, Micro
| 13***3Z | Screw, M6x16 | 4 |
| 13***5Z | Screw, Hexagon M8 X 20mm Long | 8 |
| 13***0Z | Bolt, M10 X 40 | 2 |
Frequently asked questions
What engine powers the JCB PUMPS machine?
The hydraulic pumps are driven by JCB’s EcoMAX or Dieselmax engines, with specific designation varying by machine model and production year.
What is the operating weight range for machines using JCB PUMPS?
Operating weights vary by configuration and series, ranging from approximately 9,182 lb (4,165 kg) for compact backhoe loaders to over 87,083 lb (39,455 kg) for larger excavators.
What replaced the early JCB backhoe models with standard hydraulic pumps?
The 3CX and 4CX backhoe loader series replaced earlier 3C/3D models, featuring upgraded hydraulic pump configurations and load-sensing systems.
What PUMPS owners discuss
What are the common powertrain and hydraulic behaviors for early JCB 3CX White Cab models regarding pump noise?
What are the typical undercarriage and wear patterns for JCB backhoe loaders?
What engine quirks are associated with JCB 444 engines across different generations?
What are common electrical and sensor issues reported for JCB machinery?
What should be checked when buying a used JCB 3CX White Cab?
What safety-critical fix is associated with JCB 444 engine bottom-end knock?
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 PUMPS. Related factory variants of the same model family:
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