Jcb 8025 CTS(Compact Tail Swing Mini Excavator USA)
Maintenance schedule, common problems & OEM parts breakdown
The JCB 8025 CTS is a compact tailswing mini excavator positioned in the 2.5 to 3-ton class, designed for utility work in confined spaces where zero tailswing models are not required. Production for the 8025 series spans approximately 2006 to 2020, serving as a conventional tailswing alternative to the 8025 ZTS. The machine typically weighs between 2,685 kg (5,919 lb) and 2,833 kg (6,245 lb) depending on the configuration, such as the presence of a cab or dozer blade. It is powered by a John Deere 27D engine delivering approximately 20 kW (26.8 hp) net power. Configurations include standard rubber tracks, servo controls, and single-acting auxiliary hydraulics, with options for steel tracks, air conditioning, and extended reach booms.
The 8025 CTS occupies a specific niche between the lighter the OEM part reference/the OEM part reference CTS models and the zero tailswing 8025 ZTS. While the ZTS variant prioritizes safety in tight urban environments by keeping the counterweight within the track width, the CTS version offers superior lift capacity and stability for heavier attachments. In the used market, the 8025 CTS is valued for its robust cast slew frame and accessible service points, which are grouped for routine maintenance. The machine remains relevant due to its simpler hydraulic architecture compared to newer electronic models, making it a cost-effective option for contractors requiring reliable power without the complexity of advanced emissions systems found in later generations.
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 8025 CTS(Compact Tail Swing Mini Excavator USA) specifications
Engine
| Model | Perkins 3-cylinder |
| Displacement | 1.5 L |
| Net Power | 20.9 kW (28.0 hp) |
| Emissions Tier | Tier 4 Final / EU Stage V |
Weights
| Operating Weight (8025 ZTS) | 2685 kg (5919 lb) |
| Operating Weight (8025 ZTS LC) | 2833 kg (6246 lb) |
| Operating Weight (8025 ZTS w/ package) | 2806 kg (6186 lb) |
Dimensions
| Transport Length | 4.28 m (14 ft 0 in) |
| Transport Width | 1.5 m (4 ft 11 in) |
| Transport Height | 2.43 m (7 ft 11 in) |
| Track Width | 250 mm (10 in) |
| Max Digging Depth | 2.83 m (9 ft 3 in) |
| Max Dump Height | 3.16 m (10 ft 4 in) |
| Max Horizontal Reach | 4.42 m (14 ft 6 in) |
Performance
| Travel Speed | 4.3 km/h (2.7 mph) |
| Tear-out Force | 24 kN (5394 lbf) |
| Dredging Depth | 2.51 m (8 ft 3 in) |
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.
8025 CTS(Compact Tail Swing Mini Excavator USA) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) | 4.5 L (1.2 gal) | JCB-approved engine oil; viscosity varies by ambient temperature (refer to operation and maintenance manual for specific grade selection) |
| Cooling system | 8.7 L (2.3 gal) | JCB-approved antifreeze/coolant mixture; refer to operation and maintenance manual for specific formulation and concentration requirements |
| Fuel tank | 40 L (10.6 gal) | Ultra-low sulfur diesel (ULSD) meeting applicable regional emissions standards (e.g., Tier 4 Final / Stage V) |
| Hydraulic system and tank | 70 L (18.5 gal) | AW46 hydraulic fluid; JCB-approved biodegradable hydraulic oil available as an option |
| Grease | N/A | JCB-approved lithium-based or multi-purpose 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 8025 CTS(Compact Tail Swing Mini Excavator USA) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 50 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the 8025 CTS(Compact Tail Swing Mini Excavator USA) beyond the schedule
Predictive Maintenance & Fluid Analysis
Monitor hydraulic oil condition at every 500-hour interval. The 8025 CTS uses AW46 hydraulic fluid; check for discoloration or particle count to predict pump wear. Inspect the hydraulic suction filter for metal debris, which indicates early gear or motor failure. Analyze engine oil for coolant contamination, a common issue in the John Deere 27D engine if the head gasket fails. Track fuel filter replacement closely; clogged filters cause unburned fuel smoke during cold starts. Use JCB-specified fluids to maintain viscosity in the final drives and swing gearbox.
Corrective & Common Repairs
Address track tension issues promptly; the 8025 CTS uses 250 mm rubber tracks that stretch over time. Incorrect tension accelerates roller and idler wear. Replace worn slew-ring bolts immediately to prevent catastrophic swing bearing failure. Inspect the hydraulic pump mounting bolts for loosening, a frequent cause of pump cavitation noise. Check the engine fan guard for damage, as bent fins reduce cooling efficiency. Repair hydraulic hose chafing on the boom before fluid leaks occur, as the high-pressure lines are exposed to abrasion from the dipper linkage.
Overhaul & Rebuild Points
Plan for swing motor and gearbox overhaul at 2,000 hours or when backlash exceeds specifications. Inspect the track motor brake assembly for wear; slipping brakes indicate piston seal failure. Rebuild the hydraulic pump if pressure drops below relief valve settings, typically after 4,000–5,000 hours of heavy use. Overhaul the engine if valve clearance adjustments no longer stabilize idle speed. Replace the entire slew ring if teeth show pitting or if radial play is detected. Inspect the boom ram seals for external leakage, which signals internal seal degradation.
Seasonal & Environment Servicing
In cold climates, verify glow plug operation before starting the John Deere 27D engine. Use low-viscosity hydraulic fluid to ensure pump priming during winter starts. Check the coolant expansion tank for proper freeze protection rating. In dusty environments, clean the radiator and oil cooler fins daily to prevent overheating. Inspect the air filter element more frequently; tap out dust but never blow it out with compressed air. Lubricate pivot pins daily in abrasive conditions to prevent bushing wear. Store the machine on level ground to prevent hydraulic fluid migration.
8025 CTS(Compact Tail Swing Mini Excavator USA) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 17/929700 | Kit, Fuel Pump And Filter | Fuel system service | Check fitment → |
| 32/922300 | Fuel Pre-Filter | Fuel system service | Check fitment → |
| 02/630935 | Element, Engine Oil Filter | Lubrication service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
8025 CTS(Compact Tail Swing Mini Excavator USA) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| P0087 | Fuel rail/system pressure too low | Clogged fuel filter or failing 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 loose connection | Check diagnostic port connections and ground straps |
| 101 | Low transmission clutch pressure detected | Hydraulic pressure loss or sensor fault | Check hydraulic fluid levels and pressure sensors |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
8025 CTS(Compact Tail Swing Mini Excavator USA) attachments & work tools
Digging Buckets
Available in widths from 230 mm to 760 mm (9 in to 30 in) for the 8025 ZTS class, with standard dipper lengths of 1100 mm (3 ft-7¼ in). Variations in width and volume depend on the specific configuration and series of the machine.
Ditching and Grading Buckets
Includes 1000 mm (39 in) ditching/grading buckets and narrower variants for utility work. These tools are listed as standard or optional equipment for the 8025 ZTS range in factory specifications.
Hydraulic Breakers
Compatible with hydraulic breaker attachments requiring auxiliary hydraulic flow. The machine supports single-acting auxiliary pipework as standard, with options for double-acting hydraulics for specific breaker models.
Augers
Earthdrill and auger attachments are available for the 8025 ZTS class. These require hydraulic power and are listed among the optional equipment for the machine.
Quick Hitch Systems
Supports mechanical quickhitch couplers for rapid tool changes. The system allows for the attachment of various buckets and tools without leaving the cab, subject to machine configuration.
Hydraulic Thumbs
Hydraulic thumbs are offered as an attachment option to enhance material handling capabilities. These require auxiliary hydraulic circuits and are compatible with the 8025 ZTS class.
Mechanical Thumbs
Mechanical thumbs are available for the 8025 ZTS class, providing a passive gripping solution for loose materials. These do not require hydraulic connections and are mounted to the bucket or stick.
Rippers
Ripper attachments are listed for the 8025 ZTS class to assist in breaking up compacted ground or frozen surfaces. These are typically mounted to the dipper or stick.
Grapples
Grapple attachments are available for material handling tasks. These require hydraulic power and are compatible with the 8025 ZTS class depending on the specific configuration.
Asphalt Cutters
Asphalt cutter attachments are listed for the 8025 ZTS class. These require hydraulic power and are suitable for demolition and paving work.
Cab and Canopy Options
The 8025 ZTS offers a choice between a canopy and a cab configuration. The cab includes features such as a tiltable structure, gas-strut-assisted screens, and isolation from the slew frame for reduced vibration.
Undercarriage Options
Rubber tracks are offered as standard, with steel tracks available as an option. Track widths vary, with 250 mm (10 in) rubber tracks specified for standard configurations.
Operator Environment
Options include air conditioning (not available on the 8025 ZTS), radio, sunblind, and a suspension seat. The cab structure is isolated from the slew frame to minimize vibration.
Safety and Service
Standard features include hose burst check valves, engine fan guard, and remote service panels. Optional safety items include FOPS roof guard, fire extinguisher, and battery isolator.
Lifting Capacities
Lifting capacities are based on ISO 10567, calculated as 75% of minimum tipping load or 87% of hydraulic lift capacity, whichever is less. A bucket must be fitted when lifting, and its weight must be deducted from the listed capacities.
All 8025 CTS(Compact Tail Swing Mini Excavator USA) assemblies by section
Every catalogued assembly group for the Jcb 8025 CTS(Compact Tail Swing Mini Excavator USA). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
A Attachments
A2-1-2 Bucket, Grading
| 33***42 | Wa Grading Bucket | 1 |
A2-1-1 Bucket
| 13***2Z | Bolt, M12 X 50mm | 0 |
| 13***3Z | Nut, M12 | 0 |
| 33***41 | Tooth | 0 |
B Bodywork
B1-4-1 Body Work, Side, Skirts Assembly
| 13***9D | Setscrew, M10 X 35mm Long | 8 |
| 14***8D | Washer, M10 | 8 |
| 33***73 | Panel, Soundproofing, 8025 Side Skirt | 1 |
B1-1-1 Frame, Mainframe
| 13***8D | Setscrew, M10 X 30 | 3 |
| 13***3D | Bolt M14x55 10.9 Grd | 2 |
| 13***4D | Bolt, M14x60lg.10.9 P | 11 |
B1-6-20 Air Conditioning, Toolbox
| 16***34 | Lock, Barrel Assembly | 1 |
| 29***52 | Hammer, Emergency Glass Breaking, Assembly | 1 |
| 33***59 | Toolbox, Wa | 1 |
B1-3-1 Bulkhead, Assembly
| 33***31 | Panel, Side Bulkhead | 1 |
B1-6-21 Tool, Emergency, Glass Breaker
| 14***1Z | Screw, Self Tapping | 2 |
| 26***78 | Hammer, Emergency, Glass Breaker; Supercedes 69***88, San 12499 | 1 |
| 26***79 | Holder, Hammer | 1 |
B1-2-1 Insulation & Seals, Mainframe
| 33***37 | Panel, Insulation | 1 |
| 33***63 | Panel, Tank Top | 1 |
| 33***65 | Panel | 1 |
B2-1-12 Soundproofing, Assembly
| 23***51 | Panel, Soundproofing | 1 |
| 33***37 | Panel, Soundproof Rh Front | 1 |
| 33***39 | Panel, Soundproof Rh Rear | 1 |
B2-1-3 Cab, Seals
| 92***20 | Strip, Edging | 2 |
| 92***02 | Seal | 1 |
| 92***03 | Seal | 4 |
B2-1-9 Cab, Seat Base, With Heater
| 12***59 | Ring, Tolerance | 1 |
| 13***3D | Screw, M5x16 | 6 |
| 13***7D | Setscrew, M10 X 25mm Long | 1 |
B2-1-1 Cab, Assembly
| 23***69 | Cab | 1 |
| 23***70 | Cab, Assembly; San 23615 Agreed Rob Salter Richard Westmacot, T Jp 09.05.07 | 1 |
B2-1-5 Cab, Glass
| 82***29 | Glass, Lower Right | 1 |
| 82***09 | Windscreen, Rear | 1 |
| 82***10 | Glass, Rear L/H Side | 1 |
B2-1-11 Cab, Fixings
| 13***1D | Screw, M10x12 | 4 |
| 14***5Z | Washer, M5; Replaces 69***59 | 2 |
| 14***7D | Washer, M8 Plain | 2 |
B2-2-1 Cab, Door, Assembly
| 12***40 | Plug, Blanking, 30mm | 4 |
| 13***3D | Nut, Self Lock M8 | 4 |
| 13***1D | Nut, M10 | 4 |
B2-3-1 Canopy, Assembly
| 23***53 | Canopy, Painted | 1 |
| 24***07 | Grommet | 2 |
| 24***13 | Grommet, 32mm Dia | 4 |
B2-2-3 Lockback, Door
| 13***7D | Screw, M6 X 25mm | 6 |
| 13***1D | Nut, M8 | 1 |
| 14***6D | Washer, M6 Plain | 6 |
B2-1-13 Cab, Roof Screen
| 33***46 | Glass, Roof Light | 1 |
B2-3-3 Canopy, Rear, Trim Panel
| 33***43 | Panel, Rear Trim | 1 |
| 33***41 | Mounting, Rear Trim | 1 |
| 82***08 | Retainer, Insulation | 14 |
B2-3-7 Canopy, Mounting, Kit
| 13***1D | Screw, M10x12 | 1 |
| 13***8D | Setscrew, M10 X 30 | 2 |
| 13***5Z | Bolt, M16x65 | 1 |
B2-1-10 Cab, Fuel Tank, Insulation
| 13***5D | Setscrew, M10 X 20 | 2 |
| 13***0D | Setscrew, M10 X 40mm | 1 |
| 14***8D | Washer, M10 | 3 |
B2-1-14 Cab Trim, (Non Radio)
| 33***43 | Panel, Rear Trim | 1 |
| 33***41 | Mounting, Rear Trim | 1 |
| 82***08 | Retainer, Insulation | 14 |
B2-1-7 Cab, Windscreen
| 33***33 | Latch, Left Hand Assembly | 1 |
| 33***35 | Latch, Right Hand Assembly | 1 |
| 33***48 | Nut, Domed | 8 |
B5-1-1 Decals, Machine
| 33***87 | Decal, 8026 Cts, Vertical | 1 |
| 33***88 | Decal, 8026 Cts, Horizontal | 1 |
C Electrics
C1-1-1 Electrics, Main
| 12***03 | Tie, Cable, L=300mm X W=7.6mm | 5 |
| 33***82 | Harness, Electrical Schematic | 0 |
| 33***93 | Harness, Mainframe | 1 |
C1-1-6 Fuses And Relays
| 33***28 | Electrics, Assembly | 1 |
| 71***03 | Fuse, 5 Amp | 2 |
| 71***04 | Fuse, 7.5 Amp | 1 |
C1-1-4 Harness, Cab
| 23***49 | Electrics, Cab | 1 |
| 24***07 | Grommet | 2 |
| 24***13 | Grommet, 32mm Dia | 4 |
C2-4-1 Alternator
| 02***38 | Pulley, Alternator, D=73mm Single Groove | 1 |
| 13***8D | Nut, M5 Standard Flanged | 2 |
| 13***8D | Nut, M6 Standard Flanged | 1 |
C2-12-1 Electrical Equipment
| 02***01 | Washer | 1 |
| 02***61 | Lead | 1 |
| 70***34 | Sensor, Water Temperature | 1 |
C2-5-21 Alternator, Mountings
| 02***76 | Screw | 1 |
| 02***78 | Nut | 1 |
| 02***69 | Bracket, Alternator Support | 1 |
C3-3-2 Cab, Washer Bottle, 1 L - 12 V
| 33***73 | Bottle, Washer, 145mm Wide | 1 |
| 33***23 | Pump, Washer Bottle,12v | 1 |
| 64***25 | Tube, 5 Metres Long; Front Screen. Cut Length To Suit Installation, Maximum Length Required 3000mm, Tube, 5 Metres Long; Front Screen. Cut Length To Suit Installation, Maximum Length Required 2500mm, Tube, 5 Metres Long, Tube, 5 Metres Long; Pump(S) To Non Return Valve(S). Cut Length To Suit Installation, Maximum Length Required 1200mm (600mm Per Pump To Valve), Tube, 5 Metres Long; Pump(S) To Non Return Valve(S). Cut Length To Suit Installation, Maximum Length Required 1400mm (700mm Per Pump To Valve), Tube, 5 Metres Long; Rear Screen. Cut Length To Suit Installation, Maximum Length Required 5000mm, Tube, 5 Metres Long; Rear Screen. Cut Length To Suit Installation, Maximum Length Required 4000mm | 1 |
C3-9-1 Radio, Kit
| 14***7D | Washer, M8 Plain | 2 |
| 33***21 | Radio, 12v | 1 |
| 33***51 | Mounting, Rear Trim | 1 |
C3-2-1 Heater, Installation
| 13***3D | Setscrew, M10 X16mm | 4 |
| 14***53 | Tube, Connection; San23496.Ss To 65***66.Pi Mn06/128.P Gamble, 28/03***07 | 1 |
| 14***44 | Valve, Water | 1 |
C3-3-1 Cab, Wiper, Washer
| 12***09 | Cap, Nut M8; Replaces 69***72 | 1 |
| 29***00 | Jet, Washer, Assembly | 1 |
| 33***65 | Motor, Wiper | 1 |
C3-1-1 Boom, Worklights
| 70***29 | Light, Work | 1 |
| 72***27 | Harness, Boom Light | 1 |
D Controls
D1-5-1 Controls, Slew, Lock
| 14***7D | Washer, M8 Plain | 2 |
| 21***05 | Pin, Split | 1 |
| 23***01 | Pin | 1 |
D1-1-2 Pedal Control, Assembly
| 13***0Z | Bolt, M10 X 40 | 2 |
| 13***3Z | Nut, Lock, M10 | 2 |
| 14***8D | Washer, M10 | 4 |
D1-3-1 Console, Assembly, Left Hand Pod
| 12***03 | Tie, Cable, L=300mm X W=7.6mm | 1 |
| 13***2D | Setscrew, M8 X 50 | 2 |
| 13***7D | Setscrew, M10 X 25mm Long | 2 |
D1-1-1 Pedal Control, Track Control, Assembly
| 13***5D | Setscrew, M8x20 | 2 |
| 13***9D | Setscrew, M8x35 | 4 |
| 13***7D | Setscrew, M10 X 25mm Long | 2 |
D1-2-1 Throttle Control
| 13***3D | Setscrew | 2 |
| 13***9D | Setscrew | 1 |
| 13***7Z | Bolt, M10x25 | 2 |
D2-1-1 Throttle Control
| 13***3D | Nut, M6 Lock | 4 |
| 14***6D | Washer, M6 Plain | 4 |
| 33***48 | Throttle, Lever Assembly, Including Cable | 1 |
E Hydraulics
E1-2-3 Manifold Block, Adaptors, 9 Way
| 13***4D | Bolt | 2 |
| 13***3D | Nut, Self Lock M8 | 2 |
| 14***7D | Washer, M8 Plain | 4 |
E1-2-1 Hose And Pipework, Pilot Line
| 33***63 | Hose, 1/4bsp 2300mm | 1 |
| 33***64 | Hose, 1/4bsp 1400mm | 1 |
| 33***65 | Hose, 1/4bsp 2300mm | 1 |
E1-3-1 Hose And Pipework, High Pressure
| 33***14 | Hose, 3/8bsp1170mm | 1 |
| 33***38 | Hose, 3/8bsp 1230mm | 1 |
| 33***28 | Hose, 3/8bsp1160mm | 1 |
E3-2-9 Valve, Sections, Boom Boost
| 25***20 | Kit, Plug | 1 |
| 33***79 | Valve, Section, Boom Boost | 1 |
| 92***73 | Kit, Pilot Cap Short | 1 |
E3-2-4 Valve, Sections, Bucket
| 25***30 | Kit, Tank Port | 1 |
| 33***93 | Kit, Check-Valve | 1 |
| 33***40 | Valve, Section, Bucket | 1 |
E3-2-2 Valve, Sections, Left Hand Track
| 25***08 | Kit, Arv | 1 |
| 25***25 | Kit, Seal | 1 |
| 25***69 | Valve, Section Track | 1 |
E3-2-10 Valve, Sections, Dipper
| 25***20 | Kit, Plug | 1 |
| 33***03 | Valve, Section, Dipper | 1 |
| 33***06 | Cap, Kit, Pilot Short | 1 |
E3-2-7 Valve, Sections, Slew
| 25***20 | Kit, Plug | 1 |
| 33***43 | Cap, Kit, Pilot Short | 1 |
| 33***45 | Cap, Kit, Pilot Long | 1 |
E3-2-5 Valve, Sections, Swing
| 25***20 | Kit, Plug | 1 |
| 25***72 | Valve, Section Boom Swing | 1 |
| 25***82 | Valve, Main Relief | 1 |
E3-2-11 Valve, Sections, Right Hand Track
| 25***08 | Kit, Arv | 1 |
| 25***25 | Kit, Seal | 1 |
| 25***89 | Kit-Seal, Between Sections, (X1 O-Ring Only) | 1 |
E3-2-3 Valve, Sections, Boom
| 25***20 | Kit, Plug | 1 |
| 33***28 | Valve, Section, Boom | 1 |
| 33***45 | Cap, Kit, Pilot Long | 1 |
E3-2-12 Adaptors, Main, Valve Block
| 16***51 | Adaptor, 1/4"Bsp X 9/16"Sae | 12 |
| 16***53 | Adaptor; O Ring 24***06 | 9 |
| 16***54 | Adapter, 1/2bsp X 3/4 Sae | 4 |
E3-2-1 Valve Assembly
| 13***3D | Setscrew, M8 X 16mm | 4 |
| 13***2D | Screw, Cap, M5x50 | 8 |
| 14***7D | Washer, M8 Plain | 4 |
E3-2-8 Valve, Sections, Aux
| 33***60 | Valve, Section, Auxiliary | 1 |
| 92***70 | Kit, Plug | 1 |
| 92***73 | Kit, Pilot Cap Short | 1 |
E3-1-1 Rotary Coupling, Assembly
| 13***9D | Setscrew, M8x35 | 4 |
| 13***3D | Nut, Self Lock M8 | 4 |
| 14***7D | Washer, M8 Plain | 4 |
E3-2-6 Valve, Sections, Dozer
| 25***20 | Kit, Plug | 2 |
| 25***25 | Kit, Seal | 1 |
| 25***30 | Kit, Tank Port | 1 |
F Track/Slew Gearbox
F4-1-1 Track, Motor, Assembly
| 13***9D | Screw, M12x35mm Long | 18 |
| 16***51 | Adaptor, 1/4"Bsp X 9/16"Sae | 4 |
| 16***55 | Adaptor, 39.5mm Long. M/M 1/2" X 7/8" | 4 |
J Track & Running Gear
J1-1-1 Undercarriage, Assembly
| 13***5D | Setscrew, M10 X 20 | 8 |
| 13***5D | Screw, M12 X 20mm Long | 6 |
| 13***9D | Screw, M12x35mm Long | 18 |
M Engine
M1-5-1 Fans, Pulleys, Belt
| 02***38 | Pulley, Alternator, D=73mm Single Groove | 1 |
| 02***68 | Key | 1 |
| 02***46 | Pulley, Crankshaft | 1 |
M1-1-1 Engine, Complete
| 02***38 | Gasket | 1 |
| 02***43 | Nut | 1 |
| 17***00 | Kit, Fuel Pump And Filter | 1 |
M1-6-2 Timing Levers
| 02***71 | Screw | 4 |
| 02***78 | Nut | 1 |
| 02***08 | Washer | 1 |
M1-4-1 Crankshaft, Bearings, Pistons & Con-Rods
| 02***42 | Key | 1 |
| 02***43 | Pin | 1 |
| 02***17 | Kit-Bearing, Main, Standard | 1 |
M1-6-1 Timing Case, Camshaft & Gear
| 02***68 | Key | 1 |
| 02***89 | Pin | 1 |
| 02***96 | Nut | 1 |
M1-7-1 Flywheel, Housing
| 02***33 | Nut | 1 |
| 02***74 | Gear, Starter Ring | 1 |
| 02***75 | Bolt | 6 |
M1-3-1 Block Assembly
| 02***09 | Gasket | 1 |
| 02***07 | Plug, 8.4mm | 3 |
| 02***13 | Bearing | 1 |
M2-3-1 Rocker Cover
| 02***73 | Breather, Gauze | 1 |
| 02***78 | Seal | 2 |
| 02***98 | Gasket, Rocker Cover | 1 |
M2-1-1 Cylinder Head
| 02***42 | Seal, Inlet Valve | 3 |
| 02***44 | Cap | 6 |
| 02***45 | Collet | 6 |
M2-2-1 Rocker Assembly, Push Rods & Tappets
| 02***67 | Screw, Adjusting | 6 |
| 02***68 | Nut | 6 |
| 02***71 | Tappet | 6 |
M2-4-1 Heater
| 02***58 | Nut | 1 |
| 02***59 | Washer | 1 |
| 02***60 | Rail, Connector | 1 |
M2-5-1 Lifting Plates
| 02***43 | Plate, Engine Lifting | 2 |
| 82***76 | Screw | 2 |
M4-1-1 Water Pump
| 02***96 | Nut | 1 |
| 02***79 | Hose, By-Pass | 1 |
| 02***80 | Pump, Water Assembly | 1 |
M4-2-1 Thermostat & Housing
| 02***96 | Nut | 2 |
| 02***89 | Plug, D=30mm | 1 |
| 02***43 | Gasket | 1 |
M5-1-1 Sump
| 02***02 | Screw | 2 |
| 02***97 | Screw | 27 |
| 02***02 | O Ring | 1 |
M5-2-1 Pump, Oil
| 02***08 | Dowel | 3 |
| 02***12 | Bush | 3 |
| 02***15 | Shim, Oversize - 0.10mm | 1 |
M5-4-1 Filter, Oil
| 02***02 | Screw | 2 |
| 02***26 | Connector | 1 |
| 02***28 | Bolt, Banjo | 1 |
M6-1-1 Fuel Pump, Shutdown Valve
| 02***78 | Nut | 3 |
| 02***01 | Washer | 1 |
| 02***44 | Washer | 1 |
M6-2-1 Injectors, Fuel, Pipework
| 02***96 | Nut | 2 |
| 02***14 | Damper | 4 |
| 02***61 | Pipe, Fuel Injection, No.1 | 1 |
M6-5-1 Fuel Lift Pump, Filter
| 02***78 | Nut | 1 |
| 02***02 | Screw | 2 |
| 02***94 | Gasket | 1 |
8025 CTS(Compact Tail Swing Mini Excavator USA) serial number reference
The machine identification plate (Data Plate A) is attached to the left-hand front face of the machine. It contains the Product Identification Number (VIN). For the 8025 series, the VIN structure includes the World Manufacturer Identification (JCB), the Machine Type and Model (e.g., 8025), a Random Check Letter, and the Year of Manufacture code. Verify applicability with a JCB dealer using the full VIN.
| Prefix | Identifies | Notes |
|---|---|---|
| 1226500 | Applicability: JCB 8025 ZTS (Zero Tail Swing) compact excavator. This identifier marks the start of the serial range for the 8025 ZTS service manual. The source text lists this model alongside the 8026CTS, JS30, 8029CTS, 8030ZTS, and 8035ZTS, indicating shared documentation or production sequencing for this generation of mini excavators. |
Frequently asked questions
What engine does the JCB 8025 CTS use?
The JCB 8025 CTS is powered by a John Deere 27D engine, delivering approximately 20 kW (26.8 hp) net power.
What is the operating weight of the JCB 8025 CTS?
The operating weight varies by configuration, ranging from 2,685 kg (5,919 lb) for the base model to 2,833 kg (6,245 lb) with a cab and dozer.
What model replaced the JCB 8025 CTS?
The JCB 8025 CTS was succeeded by newer generations in the 8000 series, with the 8025 ZTS offering zero tailswing capabilities and the 8026 CTS serving as a direct conventional tailswing successor in the same weight class.
What 8025 CTS(Compact Tail Swing Mini Excavator USA) owners discuss
What are the known powertrain and hydraulic behaviors for the JCB 8025 CTS/ZTS series?
What undercarriage or wear patterns are typical for this machine type?
What are the engine quirks per series for the JCB 8025?
What are common electrical or sensor issues reported by owners?
What mandatory maintenance intervals are associated with the JCB 8025 series?
What should be checked when buying a used 8025 CTS/ZTS?
What safety-critical fixes or warnings apply to the JCB 8025 series?
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 8025 CTS(Compact Tail Swing Mini Excavator USA). Related factory variants of the same model family:
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