JCBvibromaxvibromax vm

Jcb VMT270

Maintenance schedule, common problems & OEM parts breakdown

The JCB VMT270 Vibromax is a tandem vibratory road roller designed for soil and asphalt compaction. It is powered by a JCB Dieselmax engine and falls within the heavy compaction class. Production years span from the late 1990s through the 2000s, with serial ranges documented from the OEM part reference to the OEM part reference for the service manual version. The machine offers configurations including the W255 and W265 variants. It succeeded earlier Vibromax models and was eventually replaced by newer generation rollers in the JCB lineup.

Across its generations, the VMT270 saw updates to its engine emissions package and hydraulic system efficiency. The machine remains significant in the used market due to its robust Dieselmax powertrain and durable undercarriage. Parts availability is supported by aftermarket suppliers for critical components like alternators and starters.

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 VMT270 specifications

Engine

ModelPerkins (inferred from aftermarket parts catalog context for JCB Vibromax VMT270/VMT280)
Emissions TierTier III

Weights

Operating WeightNot documented for this exact serial range — verify with your dealer
Shipping WeightNot documented for this exact serial range — verify with your dealer
Ground PressureNot documented for this exact serial range — verify with your dealer

Dimensions

Transport LengthNot documented for this exact serial range — verify with your dealer
Transport WidthNot documented for this exact serial range — verify with your dealer
Transport HeightNot documented for this exact serial range — verify with your dealer
Drum WidthNot documented for this exact serial range — verify with your dealer
Drum DiameterNot documented for this exact serial range — verify with your dealer

Performance

Travel SpeedNot documented for this exact serial range — verify with your dealer
Vibration FrequencyNot documented for this exact serial range — verify with your dealer
Static Line LoadNot documented for this exact serial range — verify with your dealer

Service capacities (summary)

Fuel TankNot documented for this exact serial range — verify with your dealer
Hydraulic SystemNot documented for this exact serial range — verify with your dealer
Engine OilNot documented for this exact serial range — verify with your dealer
Cooling SystemNot 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 VMT270 maintenance schedule

Service intervalTasks
Every 10 h
  • Check engine oil, hydraulic tank, and coolant levels at ground level.
  • Inspect for fluid leaks around engine bay, axles, and rams.
  • Verify tire pressure or track tension and condition.
  • Examine hoses, cylinders, and GET for chafing or scoring.
  • Test cab safety items: seat belt, mirrors, horn, and backup alarm.
Every 500 h
  • Replace engine oil and filter using JCB Engine Oil Special or 15W-40 API spec.
  • Replace primary and secondary fuel filters.
  • Inspect hydraulic return filter magnet for metallic debris.
  • Collect oil samples from engine, hydraulic, axle, and final drive.
  • Replace or clean air filter per restriction indicator.
  • Grease all pivot points including boom, arm, and kingpost.
Every 1,000 h
  • Drain, flush, and refill coolant with JCB-spec long-life coolant.
  • Replace transmission oil and filter on torque converter models.
  • Replace front and rear axle oil including hubs.
  • Run full ECM diagnostic scan via JCB ServiceMaster tool.
  • Interpret hydraulic oil samples against 500-hour baseline.
  • Check turbocharger shaft play, boot condition, and wastegate function.
  • Torque check slew ring bolts on JS-series excavators.
Every 2,000 h
  • Change hydraulic oil: full drain, clean tank, refill with JCB-spec oil.
  • Inspect structural components (boom, arm, chassis) for cracking.
  • Measure swing ring play using dial indicator on JS-series.
  • Service brakes: check disc wear and immersed brake condition.
  • Check injector spray patterns via diagnostic tool.
  • Service cab HVAC: check A/C pressure and replace cabin filter.

Servicing the VMT270 beyond the schedule

Predictive Maintenance & Fluid Analysis

At the 500-hour interval, collect oil samples from the engine, hydraulic tank, axle, and final drive to establish a baseline. Inspect the hydraulic return filter magnet for metallic debris before disposal. Interpret subsequent samples against this baseline to detect bearing wear or contamination early. Monitor the air filter restriction indicator and replace or clean the element as needed. Regular fluid analysis prevents catastrophic failure by identifying issues 500 to 800 hours before they cause damage.

Corrective & Common Repairs

Address turbocharger shaft play, boot condition, and wastegate function during the 1000-hour service. Check injector spray patterns via the JCB ServiceMaster diagnostic tool and replace injectors as required. Inspect the alternator and starter with a load test to catch failing electrical components. Replace the primary and secondary fuel filters to protect common-rail injectors from dirt.

Overhaul & Rebuild Points

At 2000 hours, perform a deep service including a full hydraulic oil change: drain the tank, clean it, and refill with JCB-spec oil. Inspect structural components such as the boom, arm, and chassis for cracking or unauthorized welding. Measure swing ring play using a dial indicator on JS-series excavators to assess bearing wear. Check slew ring bolts for proper torque.

Seasonal & Environment Servicing

In cold weather, ensure the coolant is drained, flushed, and refilled with JCB-spec long-life coolant to prevent freezing. Check the cab HVAC system, including A/C pressure and cabin filter, to maintain operator comfort. In dusty environments, frequently clean or replace the air filter element. Inspect the undercarriage and track tension regularly to prevent excessive wear from abrasive materials.

VMT270 common service parts

Part numberPart
4029/69675Filter, FuelCheck fitment →
2611/00120FilterCheck fitment →
7131/92118FilterCheck fitment →
2526/00008FilterCheck fitment →
2526/00009FilterCheck fitment →

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VMT270 fault codes & troubleshooting

CodeMeaningLikely causeWhat to do
203 EN TMPEngine Temperature Sensor FaultOpen circuit in the engine coolant temperature sensor wiring or connector; faulty sensor element.Inspect the sensor harness and connector for damage or corrosion; verify sensor resistance values against factory specifications.
218 HYD PMPHydraulic Pump Pressure Sensor FaultShort circuit to ground or open circuit in the hydraulic pump pressure sensor circuit.Check the sensor wiring for continuity and insulation damage; verify sensor signal output with a multimeter.
300 EC1 CANEngine Control Unit 1 CAN Communication FaultLoss of communication between the engine ECU and the machine controller via the CAN bus; damaged harness or connector.Inspect CAN bus wiring harness for physical damage; verify connector pin integrity and ground connections.
P0335Crankshaft Position Sensor Circuit No SignalFaulty crankshaft position sensor; damaged sensor wiring; or sensor gap out of specification.Check the sensor air gap and mounting; inspect the wiring harness for breaks or shorts; replace sensor if circuit is intact.
P1093Common Rail Pressure Fault (Lack of Feed)Low fuel supply to the high-pressure pump; clogged fuel filter; or faulty lift pump.Check fuel level and filter condition; inspect fuel lines for air leaks or blockages; verify lift pump operation.
P1101Rail Pressure Control Error (Positive Fault)Fuel pressure regulator valve stuck or faulty; or high-pressure pump internal leakage.Inspect the fuel pressure regulator valve for mechanical binding; check high-pressure lines for leaks.
P0325Accelerometer Fault (Signal/Noise Ratio Too Low in Idle)Faulty vibration sensor or accelerometer; or excessive electrical noise in the sensor circuit.Check the accelerometer mounting and wiring; verify signal integrity with a diagnostic tool.
P0697Torque Reduction / Delayed Engine Stop (ECU Internal 5V Supply Fault)Internal ECU voltage regulator failure; or short circuit in a 5V sensor supply circuit.Check all 5V sensor supplies for shorts; if supplies are normal, the ECU may require replacement.

Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.

VMT270 attachments & work tools

Operator Seating

The VMT270 utilizes a semi-suspension seat with a Grammer B12 or GS12 mechanism, offering up to 1.6 inches of suspension stroke and 15-degree backrest adjustment. A mechanical suspension alternative is available with a 2.5-inch stroke, contoured foam cushions, and a 25.3-inch hip restraint width. Both seat configurations include adjustable slide rails for fore/aft positioning and standard operator presence switches.

Engine Components

The machine is equipped with a JCB Ecomax engine, supported by specific engine mounting components designed for the Vibromax series. The electrical system utilizes a 24V alternator, with part number the OEM part reference identified for the VMT270 and VMT280 models. The exhaust system includes a manifold assembly compatible with Tier 2 emission standard Vibromax rollers.

Service & Documentation

Factory service documentation for the VMT270 is cataloged under model code 9803-9704, covering serial numbers from the OEM part reference to the OEM part reference. The service manual is a 220-page English PDF document dated December 2000. This documentation covers the Vibromax Roller VMT270 and VMT280 (W255 W265) configurations.

All VMT270 assemblies by section

Every catalogued assembly group for the Jcb VMT270. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

A Attachments
A3-2-1 Housing, Edge Cutting Device
20***16Capscrew, M6x162
20***20Screw, Countersunk2
22***06Washer, M62
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A3-4-1 Pivot Bearing, Disc Support, Edge Cutting Device
71***10Bracket, Assembly1
71***45Nipple, Grease1
71***60Washer1
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A3-1-1 Edge Cutting Device
20***50Screw, Hexagon M16x504
22***16Washer4
71***10Bracket, Assembly1
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A3-3-1 Cutting Disc, Edge Cutting Device
71***45Nipple, Grease1
71***46Bolt1
71***47Bearing1
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B Bodywork, Cab, Loader End
B1-3-1 Water Tank
21***10Nut4
22***10Washer, M104
40***08Cap, Filler, (Key Inc)2
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B1-1-1 Chassis, Incl. Hydraulic Tank
20***20Screw, Hexagon M6x206
20***20Screw, Hexagon M8x2016
20***35Screw, Hexagon M10x356
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B1-3-10 Water Tank, K Build
20***20Screw, Hexagon M8x2016
21***10Nut4
21***08Washer, Spring - M816
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B1-2-1 Centre Pivot, Articulation Joint
20***60Screw6
20***25Screw, Hexagon M10x2512
22***26Bearing2
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B1-12-1 Scraper
20***30Screw, Hex M8 X 3016
21***20Nut, M208
21***00Nut, M816
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B1-13-1 Scraper, K Build
20***40Screw, Hexagon M8 X 4016
20***50Screw4
21***00Nut, M816
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B1-13-10 Scraper, K Build
20***40Screw, Hexagon M8 X 4016
20***50Screw4
21***00Nut, M816
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B1-12-10 Scraper
20***30Screw, Hex M8 X 3016
21***20Nut, M208
21***00Nut, M816
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B2-9-1 Rops Frame, Folding
20***70Screw, M20x702
20***45Screw, Hexagon M16x4512
20***06Screw2
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B2-7-1 Sun Roof
20***50Screw4
22***08Washer, M84
71***03Plate2
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B2-5-1 Seat Base
20***12Screw, Hexagon M6x122
20***20Screw, Hexagon M8x209
20***25Screw, Hexagon M8x253
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B2-4-1 Door, Right Hand
20***20Capscrew, M8x208
21***08Nut4
22***08Washer, M84
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B2-8-1 Rops Frame
20***45Screw, Hexagon M16x4512
22***16Washer, M164
71***00Frame, Rops1
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B2-2-1 Engine Bonnet
20***16Screw, M6 X 163
20***20Screw, Hexagon M8x202
20***25Screw, Hexagon M8x252
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B2-3-1 Door, Left Hand
20***20Capscrew, M8x208
21***08Nut4
22***08Washer, M84
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B2-1-1 Canopy Doors &, Engine Bonnet
20***20Screw, Hexagon M6x208
22***06Washer8
71***05Cover1
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B2-6-1 Seat Components
71***20Seat; Ss To 33***01 San 25420 03/07/08, Informed By Rob Salter1
71***01Seat, Padding1
71***02Backrest1
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B5-3-1 Decals
27***12Decal1
27***12Decal1
27***12Decal, Attention1
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B5-1-1 Machine Decals
27***20Decal, Jcb, Black1
27***25Decal2
27***30Decal1
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B5-4-1 Decals
71***02Decal1
71***02Decal1
71***52Decal1
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B5-2-1 Decals
27***14Decal, Water1
27***20Decal, Sprinkling1
27***25Decal1
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C Electrics-Machine, Cab & Engine
C1-10-1 Switches
70***39Switch, Parkbrake1
72***11Switch, Vibration1
81***45Switch, Pressure, (Emergency Stop)1
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C1-20-1 Electrics, Edge Cutting Device
81***51Switch2
81***64Switch, Rocker1
84***00Fuse, 10a1
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C1-12-1 Electrics, Pressure Sprinkling, K Build
20***10Screw2
20***10Screw1
22***04Washer, M4, Din 1252
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C1-9-1 Control, Ecu
20***16Capscrew, M4x162
22***04Washer, M4, Din 1252
71***01Harness1
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C1-2-1 Electrics
20***12Screw, Hexagon M6x122
20***16Screw, Hexagom M8x163
20***10Screw5
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C1-3-1 Working Lights
20***16Screw, Hexagom M8x164
22***08Washer, M84
22***10Washer4
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C1-5-1 Horn
20***16Screw, Hexagom M8x161
21***00Nut, M81
84***01Horn1
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C1-1-1 Instrument Panel
20***20Screw, Hexagon M6x204
20***40Screw, Hexagon M8 X 401
21***08Nut, M8, Din 9342
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C1-6-1 Front Lights
20***16Screw, Hexagom M8x162
22***08Washer, M82
22***10Washer4
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C1-7-1 Rotation Light
81***32Switch1
83***15Cable1
83***11Mounting, Base5
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C1-8-1 Back-Up Alarm
20***16Screw2
21***04Nut, M4, Din 1252
23***21Clip3
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C1-4-1 Road Lights
20***16Capscrew, M4x168
22***04Washer8
23***21Clip15
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C1-11-1 Relay, & Pressure Switch
81***35Switch1
81***25Relay, Heater, Aircon, Reverse Alarm; Superseded By 81***33, San22625 28/06/06,, S.Littlewood. Requested By S.Waterhouse.1
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C1-1-10 Cover, Instrument Panel
20***20Screw, Hexagon M6x204
20***12Screw2
22***06Washer4
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C2-1-1 Battery
20***26Screw1
20***35Screw, Hexagon M8x351
20***25Screw, Hexagon M10x251
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C2-3-1 Alternator, Components
70***17Alternator1
70***15Brush1
70***16Regulator1
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C2-4-1 Starter Motor
70***30Motor1
70***41Stud1
70***42Screw1
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C2-6-1 Stop Solenoid
70***04Screw2
70***08Washer2
70***70Washer3
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C2-5-1 Switches
C2-2-1 Alternator, Instalation
70***17Alternator1
70***18Belt1
70***43Nut1
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D Controls-Machine, Engine & Steering
D1-2-1 Hydraulic Pump, Controls
20***60Screw4
20***16Screw, Hexagom M8x162
20***00Screw1
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D1-1-1 Controls, Drive, & Vibration
20***30Screw, M6x304
71***70Actuator1
72***04Cover1
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D2-1-1 Controls, Drive, Throttle, & Vibration
20***10Screw1
20***16Capscrew, M6x164
20***20Capscrew, M5x201
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D3-1-1 Steering Column
20***35Screw, Hexagon M10x354
27***00Wheel, Steering; Ss To 71***30 On 13/02/08 See San 25420, Informed By Iris Schaeffer1
27***01Handle1
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E Hydraulics & Air Including, Steering
E1-7-1 Circuit, Pressure Test Point
25***20Hose, 630mm1
25***25Hose5
25***55Clutch6
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E1-10-1 Circuit, Edge Cutting Device
20***12Capscrew, M6x122
20***40Capscrew, M8x404
25***15Clamp2
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E1-2-1 Circuit, Drive
20***22Capscrew, M6x2212
20***35Capscrew, M6x3512
20***50Capscrew, M6x502
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E1-2-10 Circuit, Drive
20***22Capscrew, M6x228
20***35Capscrew, M6x358
20***50Capscrew, M6x502
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E1-6-10 Circuit, Oil Leakage, K Build
20***30Capscrew, M6x302
20***35Capscrew, M6x352
25***21Clamp; Ss To 25***13 - See San 25420 07/05/08, Informed By Iris Schaeffer1
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E1-5-1 Circuit, Cooler
25***15Union, Flange3
25***15Reducer2
25***65Connector2
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E1-1-1 Circuit, Propulsion
20***35Capscrew, M6x354
20***20Capscrew, M8x201
25***40Clamp1
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E1-4-1 Circuit, Brakes
20***16Screw, M6 X 162
20***55Screw2
20***30Capscrew, M6x302
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E1-3-1 Circuit, Steering
20***22Capscrew, M6x222
20***35Capscrew, M6x352
25***12Reducer2
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E1-1-10 Circuit, Propulsion, K Build
20***16Screw, Hexagom M8x163
20***45Screw, Hexagon M8x454
20***35Capscrew, M6x3512
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E1-6-1 Circuit, Oil Leakage
20***30Capscrew, M6x302
20***35Capscrew, M6x352
25***21Clamp; Ss To 25***13 - See San 25420 07/05/08, Informed By Iris Schaeffer1
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E1-4-10 Circuit, Brakes, K Build
20***16Screw, M6 X 162
20***55Screw2
20***30Capscrew, M6x302
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E2-1-1 Hydraulic Pump, & Pump Drive
20***55Screw4
20***65Screw2
20***30Screw6
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E2-5-1 Motor, Roller Drum Drive
71***00Drive1
71***06O Ring1
71***14Mirror1
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E2-6-1 Motor, Rear Drive, K Build
40***21Seal1
40***22Screw1
40***60Plug1
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E3-1-1 Hydraulic Filter
26***00Switch1
26***01Cap1
26***20Filter1
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E3-2-1 Valve, Control
25***51Kit-Seal2
25***52Kit-Seal2
25***00Valve, 2 Solenoids, Vibration Control1
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E4-1-1 Steering Ram
71***20Ram, Steering1
71***21Kit-Seal, Steering Ram1
71***25Cylinder1
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E4-2-1 Ram, Edge Cutting Device
71***31Cylinder, Edge Cutting Device1
71***32Joint, Eye End1
71***33Bearing2
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E10-3-1 Circuit, Pressure Sprinkling, Edge Cutting Device
20***20Screw, Hexagon M8x201
20***12Capscrew, M6x121
21***08Nut, M8, Din 9341
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E10-2-1 Circuit, Pressure Sprinkling, K Build (270)
20***10Screw, Hex, M6x104
20***20Screw, Hexagon M8x202
20***30Capscrew, M6x302
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E10-1-1 Circuit, Pressure Sprinkling, To : 1700229
20***16Screw, M6 X 162
20***20Screw, Hexagon M8x202
20***75Screw2
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E10-1-2 Circuit, Pressure Sprinkling, From : 1700230
20***60Screw2
20***16Screw, M6 X 162
20***20Screw, Hexagon M8x202
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E10-2-10 Circuit, Pressure Sprinkling, K Build (280)
20***10Screw, Hex, M6x104
20***20Screw, Hexagon M8x202
20***30Capscrew, M6x302
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E11-1-1 Water Pump
25***02Housing1
25***03Cover1
25***04Impellor1
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E12-1-1 Solenoid Valve
40***10Valve1
40***16Kit-Repair1
83***05Socket1
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F Axles, Wheels & Transmission
F1-1-1 Drum 1000mm
20***90Screw8
20***35Screw8
20***40Screw8
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F1-1-10 Drum 1200mm
20***90Screw8
20***35Screw8
20***40Screw8
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F2-1-1 Axle, Rear, K Build
20***50Screw8
20***55Screw, Bolt,Hex, M12 X 1.75 X 55mm, Cl 8.8; M12x55x55, Bolt,Hex, M12 X 1.75 X 55mm, Cl 8.8; M12 X 55 X 5512
20***50Screw12
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F3-1-1 Wheels & Tyres, K Build
40***19Hose1
40***62Tyre2
40***40Tyre2
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M Engine
M1-1-1 Engine Assembly
M6-1-1 Fuel Filter
70***13Filter1
70***16Element1
70***57O Ring1
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M6-2-1 Oil Filter
70***14Cartridge1
70***15Connector1
70***16Washer1
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M8-1-1 Front End Drive, Accessory, With Cooling Fan
22***06Washer1
70***19Fan1
70***80Belt1
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M8-2-1 Front End Drive, Alternator
70***79Belt1
70***11Fan1
70***12Pulley1
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M9-1-1 Starter Motor
70***30Motor1
70***41Stud1
70***42Screw1
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M10-2-1 Alternator, Components
70***17Alternator1
70***15Brush1
70***16Regulator1
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M10-1-1 Alternator, Instalation
70***17Alternator1
70***18Belt1
70***43Nut1
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M11-1-1 Switches
M11-2-1 Stop Solenoid
70***04Screw2
70***08Washer2
70***70Washer3
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M12-2-1 Fuel Pipework, Low Pressure
70***10Clamp4
70***32Clamp4
70***83Pipe1
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M13-1-1 Fuel Injectors
70***32Nozzle3
70***30Pipe1
70***31Clamp1
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M14-1-1 Fuel Lift Pump
70***31Pump1
70***33Gasket1
70***34Screw2
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M15-3-1 Fuel Control Lever
70***55Adjuster1
70***60Lever1
70***67Gasket1
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M15-5-1 Governor, Fuel Injection Pump
70***69Washer2
70***70Washer1
70***52Washer2
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M15-1-1 Fuel Injection Pump
70***46Washer2
70***06Nut2
70***00Pump1
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M15-4-1 Fuel Camshaft
70***46Washer2
70***06Nut2
70***70Camshaft1
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M15-2-1 Fuel Injection Pump, Components
70***00Pump1
70***20Plunger3
70***21Valve3
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M15-6-1 Speed Control, Regulator
70***69Washer2
70***22Screw2
70***25Stud2
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M16-1-1 Water Pump
70***20Pump1
70***21Gasket, Water Pump1
70***22Impellor1
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M18-1-1 Thermostat & Housing
70***46Washer2
70***06Nut1
70***09Screw1
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M19-1-1 Rocker Cover
70***64Gasket3
70***50Cover1
70***51Gasket1
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M20-1-1 Valve Rocker Assy
70***46Washer3
70***06Nut3
70***08Washer3
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M25-1-1 Induction Manifold
70***04Screw5
70***70Elbow1
70***71Gasket1
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M26-1-1 Exhaust Manifold
02***22Gasket, Muffler1
70***46Washer6
70***06Nut6
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M27-1-1 Cylinder Head
70***46Washer1
70***00Head1
70***01Gasket1
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M30-1-1 Oil Level Dipstick
M31-1-1 Oil Sump
70***50Bowl1
70***51Gasket1
70***52Screw20
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M32-1-1 Oil Pump
70***66Pump1
70***67Gasket1
70***68Screw4
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M34-1-1 Flywheel Housing
70***44Washer11
70***46Washer1
70***20Flywheel1
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M35-1-1 Camshaft & Gears
70***20Camshaft1
70***21Tappet6
70***22Rod6
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M36-2-1 Governor, Fuel Injection Pump
70***69Washer2
70***70Washer1
70***52Washer2
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M36-3-1 Speed Control, Regulator
70***69Washer2
70***22Screw2
70***25Stud2
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M36-1-1 Timing Case & Cover
70***14Cartridge1
70***46Washer9
70***59Pin2
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M37-1-1 Piston & Con-Rod
70***60Connecting Rod3
70***61Bush1
70***62Screw2
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M38-1-1 Crankshaft Assembly
70***26Key1
70***70Crankshaft4
70***72Bush1
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M39-1-1 Cylinder Block, & Crankcase
70***50Casing1
70***51Plug5
70***52Plug2
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M39-2-1 Main Bearing Housing
70***00Housing1
70***02Housing1
70***03Bearing1
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M42-1-1 Engine Mountings
20***36Screw, M12 X 354
20***30Screw, M14 X 304
20***30Screw, Hex M8 X 308
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M43-1-1 Air Filters
70***00Cleaner1
70***01Element1
70***02Element1
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M44-1-1 Air Induction Hoses, & Mountings
20***65Screw2
20***25Screw, Hexagon M8x254
21***00Nut, M82
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M45-2-1 Spark Arrestor
20***25Screw, Hexagon M8x251
20***30Screw, Hexagon M10 X 302
21***00Nut, M81
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M45-1-1 Exhaust System
02***22Gasket, Muffler1
20***25Screw, Hexagon M8x259
20***30Screw, Hexagon M10 X 304
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M48-1-1 Instalation Cooler, Radiator & Hoses
20***20Screw, Hexagon M6x203
20***20Screw, Hexagon M8x203
20***25Screw, Hexagon M8x255
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M50-1-1 Fuel Pipes, Fuel Tank To Filter
20***26Screw4
20***70Screw, Hexagon M8x702
20***90Screw1
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VMT270 serial number reference

Check the machine identification plate for the serial number. For older JCB Vibromax rollers, the serial may also be stamped in a red box on the curb side of the frame under the engine compartment opening. Confirm applicability with a JCB dealer.

PrefixIdentifies
1700020Applicability: JCB Vibromax Roller VMT270. Service manual model 9803-9704. Start of documented serial range.
1701499Applicability: JCB Vibromax Roller VMT270. Service manual model 9803-9704. End of documented serial range.

Frequently asked questions

What engine does the VMT270 use?

The VMT270 is powered by a JCB Dieselmax engine.

What is the operating weight?

Operating weight varies by configuration and series; consult the specific serial range documentation for exact values.

What model replaced the VMT270?

Newer generation road rollers in the JCB Vibromax lineup succeeded the VMT270; specific successor model numbers vary by market and production year.

What VMT270 owners discuss

What engine generation is prone to big end bearing failures on the crankshaft?
Early Dieselmax engines, specifically Tier 2 and early Tier 3 generations, are prone to big end bearing failures on the crankshaft. This failure mode is associated with stretched oil change intervals or poor oil quality. Fuel injection pump faults are also common on these earlier mechanical and early electronic engines.
What are the common causes of low power output in JCB engines?
Low power output is commonly caused by blockages or leaks in fuel lines, injectors, or the pump. It can also result from damage or obstructions in the catalytic converter, exhaust manifold, or muffler. Control module malfunctions that monitor engine functions may also cause power loss.
What is the typical undercarriage or wear pattern for JCB skid steer loaders?
Drive motors face-mounted to side plates with the nose sticking through the hole into the box section of the frame are susceptible to fracturing the side plate due to a thin design. Loose drive chains can hammer the motors and other drive components, causing the motor to squirm in the mounting holes.
What electrical issues are commonly reported by JCB skid steer owners?
Owners report mostly electrical problems, including difficulty starting the engine due to battery issues or complex fuel system faults. The forward/reverse lever operates microswitches that activate hydraulic solenoids on the transmission body; intermittent operation often stems from electrical faults in these switches or solenoids.
How does the AC system behave on the JCB 270T under load?
AC cooling performance degrades when running high flow or mulching, and during dirt work or driveway tasks. When hydraulics get hot, the AC may blow air at 28-29°C (82-84°F) at the vents, resulting in a cab temperature of 40-41°C (104-106°F) in high humidity conditions.
What should be checked if a JCB TM270 loses forward gears when warm?
Check the transmission’s hydraulic system first. Inspect the hydraulic fluid level and condition, as low or degraded fluid can cause pressure loss affecting gear engagement. Examine the forward/reverse shuttle valve and related solenoids for wear or sticking.
What serial range does the service manual for the JCB Vibromax Roller VMT270 cover?
The service manual for the JCB Vibromax Roller VMT270 (Model 9803-9704) covers serial numbers from OEM part reference to OEM part reference. The document was modified in December 2000.

Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.

Need a specific VMT270 part?

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