JCBagriculturalwheeled loaders

Jcb 446

Maintenance schedule, common problems & OEM parts breakdown

The JCB 446 is a wheeled loading shovel (wheel loader) manufactured from 2001 to 2005. It is powered by a 6-cylinder, turbocharged Cummins 6CT8.3C engine producing 185 hp (138.0 kW) net power. The machine weighs approximately 20,633.9 kg (45,490 lbs) and features a power shift transmission with 4 forward and 3 reverse gears. Configurations include the standard 446 and the high-lift 446ZX variant. The 446ZX offers a tipping capacity of 10,432.6 kg (23,000 lbs) and a heaped bucket capacity of 3.1 m³ (4.1 cu yds).

The 446 replaced earlier models in the JCB wheeled loader lineup and was succeeded by the 456 series. The machine is significant in the used market due to its robust Cummins engine and JCB’s extended 500-hour oil change interval, which reduces downtime compared to competitors. The 446ZX high-lift configuration remains popular for quarry and aggregate handling where dump clearance is critical. Parts availability is supported by the shared service manual (the OEM part reference-10) with the 456, facilitating easier maintenance for fleet operators.

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 446 specifications

Engine

Model6CT8.3C
Cylinders6
Displacement506.5 cu in. (8300.1 cc)
AspirationTurbocharged
Gross Power193 hp (143.9 kW)
Net Power185 hp (138.0 kW)
Rated Speed2200 RPM
Peak Torque665.3 lbs ft (902.0 N-m)
Torque Speed1400 RPM

Weights

Operating Weight45490 lbs (20633.9 kg)
Tipping Capacity23000 lbs (10432.6 kg)

Dimensions

Overall Length312 in (792.5 cm)
Width Over Tires108 in (274.3 cm)
Wheelbase132 in (335.3 cm)
Ground Clearance24 in (61.0 cm)
Turning Radius264 in (670.6 cm)
Bucket Hinge Pin Height156 in (396.2 cm)
Cab Height132 in (335.3 cm)
Bucket Width108 in (274.3 cm)

Performance

Max Speed (Forward)23.3 mph (37.5 km/h)
Max Speed (Reverse)15.2 mph (24.5 km/h)
Breakout Force38670 lbs (17540.4 kg)
Bucket Capacity (Heaped)4.1 cu yds (3.1 m³)
Bucket Capacity (Struck)3.7 cu yds (2.8 m³)
Raise Lift Arms Time5.8 sec
Lower Lift Time4.1 sec
Bucket Dump Time1.2 sec
Reach At Max Lift And Dump48 in (121.9 cm)
Dump Clearance At Max Raise108 in (274.3 cm)
Rear Axle Oscillation25°
Transmission TypePower shift
Forward Gears4
Reverse Gears3
Pump TypeTwin variable displacement piston pump
Pump Flow43.1 GPM (163.2 LPM)
Relief Pressure3625 psi (249.9 bar)

Service capacities (summary)

Fuel Tank Capacity84.6 gal (320.2 l)
Engine Oil Capacity5 gal (18.9 l)
Cooling System Capacity10.6 gal (40.1 l)
Hydraulic System Capacity56.8 gal (215.0 l)
Transmission Oil Capacity9 gal (34.1 l)
Differential Front Capacity18.3 gal (69.3 l)
Differential Rear Capacity13.5 gal (51.1 l)

Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.

446 fluids & capacities

SystemCapacityRecommended fluid
Engine crankcase (with filter)18.9 l (5 gal)JCB engine oil (non-DPF) or JCB Advanced engine oil (DPF); viscosity per ambient temperature
Cooling system40.1 l (10.6 gal)JCB engine coolant (silicate-based); change at recommended intervals to prevent silicate separation
Fuel tank320.2 l (84.6 gal)Standard diesel fuel
Transmission34.1 l (9 gal)JCB transmission oil (multipurpose for transmissions and wet brakes)
Hydraulic system and tank215.0 l (56.8 gal)JCB hydraulic oil (high anti-wear, thermal stability, demulsibility)
Front differential69.3 l (18.3 gal)JCB gear oil (for axles and oil-immersed brakes)
Rear differential51.1 l (13.5 gal)JCB gear oil (for axles and oil-immersed brakes)
GreaseN/AJCB grease (boom grease or blue grease; high load capacity, long-life protection)

Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.

Jcb 446 maintenance schedule

Service intervalTasks
Every 10 h
  • Check engine oil level via dipstick.
  • Check hydraulic tank sight gauge.
  • Check coolant expansion tank level.
  • Check fuel water separator drain.
  • Inspect hoses and cylinders for chafing or seepage.
  • Inspect GET teeth, pins, and cutting edge condition.
Every 500 h
  • Change engine oil and replace filter.
  • Replace primary and secondary fuel filters.
  • Replace hydraulic return filter and inspect magnet for debris.
  • Replace air filter primary element.
  • Grease all boom, arm, bucket, and kingpost pivot points.
  • Check alternator, A/C, and fan belt tension.
Every 1,000 h
  • Drain, flush, and refill cooling system with long-life coolant.
  • Change transmission oil and filter.
  • Change front and rear axle oil including hubs.
  • Run full ECM diagnostic scan via ServiceMaster tool.
  • Inspect turbocharger shaft play, boot condition, and wastegate function.
  • Load test alternator and starter.
Every 2,000 h
  • Drain hydraulic tank, clean tank interior, and refill with JCB-spec hydraulic oil.
  • Inspect chassis, side frames, and loader arm for structural cracks.
  • Inspect immersed brake disc wear and condition.
  • Check injector spray pattern via diagnostic tool.
  • Service cab HVAC system including cabin filter.
  • Inspect all electrical connections for corrosion or damage.

Servicing the 446 beyond the schedule

Predictive Maintenance & Fluid Analysis

At the 500-hour interval, collect oil samples from the engine, hydraulic system, front axle, and rear axle to establish a baseline. JCB engines do not use DEF or DPF, allowing for extended 500-hour oil changes using JCB Engine Oil Special or equivalent 15W-40 diesel oil meeting API specs. Monitor hydraulic return filter magnets for metallic debris during filter replacement. Use JCB-spec long-life coolant for the 1000-hour change to prevent corrosion in the 40.1 L (10.6 gal) cooling system. Regular fluid analysis prevents premature wear in the twin variable displacement piston pumps.

Corrective & Common Repairs

Common issues include turbocharger boot leaks and wastegate malfunction on the 6CT8.3C engine; inspect these at the 1000-hour service. Check alternator and starter load to prevent electrical failures. Inspect immersed brake discs on the 446ZX for wear. The power shift transmission requires specific oil changes every 1000 hours to maintain smooth gear engagement. Verify belt tension on the alternator, A/C, and fan drives to prevent overheating. Address hydraulic hose chafing at the kingpost and boom pivots during daily checks to avoid high-pressure leaks.

Overhaul & Rebuild Points

The 2000-hour deep service includes a full hydraulic oil change and tank cleaning to remove sediment. Inspect the chassis, side frames, and loader arm for structural cracks or unauthorized welding. Measure swing ring play if applicable to related models, though the 446 is wheeled. Check injector spray patterns via diagnostic tool to ensure efficient combustion. The 6CT8.3C engine requires precise torque settings for dry threads; reduce lubricated thread torque by one-third. Structural integrity checks are critical for the 446ZX high-lift configuration due to increased leverage on the frame.

Seasonal & Environment Servicing

In cold climates, ensure the 40.1 L (10.6 gal) cooling system is protected against freezing. Check battery electrolyte levels in non-sealed units and clean terminals. In dusty environments, monitor the air filter restriction indicator closely and replace the primary element at 500 hours. Inspect the fuel water separator daily to prevent water contamination in the common-rail injectors. Verify tire pressure and cut damage on the 23.5R25 HXA (L3) tires. Ensure the ROPS/FOPS dataplate is intact and all safety devices, including backup alarms and fire extinguishers, are functional.

446 common service parts

Part numberPart
32/914200Filter, Fuel SedimentorCheck fitment →
02/910150Element, Fuel Filter, Water SeperatorCheck fitment →
02/910155Element, Fuel Filter, CartridgeCheck fitment →
581/18071Filter, Assembly, HydraulicCheck fitment →
331/16893Plate, Recirculation FilterCheck fitment →

Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.

446 fault codes & troubleshooting

CodeMeaningLikely causeWhat to do
P0087Fuel Rail/System Pressure Too LowClogged fuel filters, failing lift pump, or restricted fuel line.Check fuel filter condition and fuel supply pressure.
P0117Engine Coolant Temperature Sensor Circuit Low VoltageFaulty coolant temperature sensor, shorted wiring harness, or poor connector contact.Inspect sensor wiring for damage and check connector pins for corrosion.
P0521Engine Oil Pressure Sensor Range/Performance IssueFaulty oil pressure sensor or erratic signal from the sensor circuit.Verify oil pressure with a mechanical gauge and inspect sensor electrical connections.
P2047Reductant Injector Circuit Open (SCR System)Open circuit in the DEF/AdBlue injector wiring or faulty injector solenoid.Inspect the reductant injector harness and connector for damage or disconnection.
U0100Lost Communication with Engine Control Module (CAN Bus)Damaged CAN bus wiring, poor ground connection, or low battery voltage.Check battery voltage, inspect ground straps, and verify CAN bus connector integrity.
101Low Transmission Clutch PressureHydraulic system issue, low transmission fluid, or faulty pressure sensor.Check transmission fluid level and inspect hydraulic lines for leaks.
P0335Crankshaft Position Sensor 'A' Circuit (No Signal)Failed crank sensor, damaged wiring, or debris on the sensor pickup.Inspect the crank sensor and its wiring harness for physical damage.
P0112Intake Air Temperature Sensor Malfunction (Low Voltage)Short to ground in the IAT sensor circuit or faulty sensor.Check the intake air temperature sensor connector and wiring for shorts.

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

446 attachments & work tools

Standard Buckets

The JCB 446ZX is equipped with a standard heavy-duty bucket with a struck capacity of 2.8 m³ (3.7 cu yds) and a heaped capacity of 3.1 m³ (4.1 cu yds). The bucket width is 274.3 cm (108 in), designed for general material handling and loading applications.

High-Lift Buckets

A High-Lift configuration is available for the 446ZX, providing increased dump clearance of 274.3 cm (108 in) at maximum lift height. This configuration supports a tipping load of 10432.6 kg (23000 lbs) and is optimized for stacking or loading into high-sided trucks.

Specialty Buckets

Dealer offerings include Deep Profile, Ditch Maintenance, Grading, Heavy Duty, Jaw, Ribbed, Tapered Ditching, and Tilting Grading buckets. These tools are designed to improve productivity, material retention, and clean release depending on the specific job site conditions.

Quick Hitch Systems

JCB offers both manual and hydraulic quick hitch options to allow operators to switch between buckets, forks, and breakers within minutes. The system is designed to minimize downtime and is available based on the specific machine type and operator requirement.

Hydraulic Breakers

An OEM hydraulic breaker range is designed to work in harmony with JCB machines. These attachments are intended for demolition, trenching, and concrete breaking, requiring specific hydraulic flow and pressure connections compatible with the machine's twin variable displacement piston pump.

Safety Configurations

Machines built to the ROPS/FOPS standard feature a data plate inside the cab and comply with EN13510:2000 (ROPS) and EN13627:2000 Level 2 (FOPS). The cab part numbers for these safety configurations are the OEM part reference and the OEM part reference.

All 446 assemblies by section

Every catalogued assembly group for the Jcb 446. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

A Attachments
A1-12-1 Shovel, 3.1 Cu.M., Ht
26***66Shovel, 3.1cu.M., Direct Mount1
51***07Toeplate, With Teeth Holes1
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A1-16-1 Shovel, 3.1 Cu.M., Ht, Z Bar Quickhitch Mount
26***73Shovel, 3.1cu.M, Q/Hitch Moun1
51***07Toeplate, With Teeth Holes1
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A1-15-1 Shovel, 2.8 Cu.M., Ht, Z Bar Quickhitch Mount
26***69Shovel, 2.8cu.M, Q/Hitch Mount1
51***07Toeplate, With Teeth Holes1
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A1-6-1 Tooth Options, Esco V29 Series
13***8DBolt, M20 X 80mm16
13***1DNut16
14***2ZWasher16
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A1-7-1 Tooth Guard
13***5ZScrew, M10 X 20mm Long; Use With Single Piece Casing. To Gearbox Number 445/143/831 Or 445/144/455, Screw, M10 X 20mm Long4
13***8ZBolt, M10 X 304
13***6ZBolt, M16 X 70mm2
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A1-17-1 Shovel, 3.3 Cu.M., Ht, Z Bar Quickhitch Mount
26***74Shovel, 3.3cu.M., Q/Hitch Mount1
51***07Toeplate, With Teeth Holes1
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A1-5-1 Bolt On Cutting Edge, 7 Piece
13***1ZNut14
51***00G.A.1
51***01Toeplate, Filler7
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A1-11-1 Shovel, 2.8 Cu.M., Ht
26***65Shovel, 2.8cu.M., Direct Mount1
51***07Toeplate, With Teeth Holes1
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A1-3-1 Shovel, 3.1 Cu.M., Z Bar
51***07Toeplate, With Teeth Holes1
51***00Shovel, 3.1 Cu. Metre1
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A1-2-1 Shovel 3.1 Cu.M, Penetration, Z Bar
51***03Toeplate, Plain1
51***00Shovel, Peneteration, 3.1 Cu. Metre1
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A1-1-1 Shovel, 2.8 Cu M.
51***07Toeplate, With Teeth Holes1
51***00Shovel, 2.8 Cu. Metre1
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A1-4-1 Toeplate, Bolt-On, 2788 Mm Wide
13***1ZNut22
51***00G.A.1
51***01Toeplate, Outer2
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A1-14-1 Shovel, 3.3 Cu.M., Ht
26***67Shovel, 3.3cu.M, Direct Mount1
51***07Toeplate, With Teeth Holes1
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A3-1-1 Quickhitch, Z Bar, With Ball Valve
13***8ZBolt, M10 X 302
14***11Seal, Bonded2
14***8ZWasher, Plain M10; San 23620 Ref Dave Bickerton Confirms Identic, Al To 33***8z Rationalise Parts2
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A3-1-2 Quickhitch, Z Bar, Without Ball Valve
13***8DSetscrew, M10 X 302
14***8DWasher, M102
14***01Nipple, Grease, Straight, 1/8 Bsp2
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B Bodywork, Cab, Loader End
B1-6-1 Engine Cover
12***43Buffer2
13***7DSetscrew, M10 X 25mm Long2
13***8DSetscrew, M10 X 306
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B1-5-1 Centre Pivot
13***3ZBolt6
14***1ZWasher, M16 Plain6
14***2ZWasher, M202
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B1-21-1 Soundproofing, Rear Axle
13***7DSetscrew, M10 X 25mm Long6
14***4DWasher, 7/16" Large5
14***8DWasher, M101
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B1-17-1 Counterweight
13***5DBolt, M24 X 300 Lg.2
13***1DNut6
14***4DWasher4
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B1-1-1 Chassis Front
13***0DSetscrew4
13***7DSetscrew, M10 X 25mm Long2
13***0DSetscrew, M10 X 40mm4
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B1-15-1 Mountings, Rear Lights
13***1DBolt, M8 X 110mm2
14***3DWasher, Large2
33***98Bracket, Rear Light Mount2
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B1-7-2 Cover, Cooling Bay
13***0DSetscrew, M10 X 40mm10
13***6DBolt, M10 X 70mm Long3
13***1DNut, Plain42
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B1-26-1 Covers, Anti Recirculation, Near Hyd/Transmission Coolers
33***56Plate, Anti-Recirculation, Bottom1
33***95Plate, Anti-Recirculation, Left Side1
33***96Plate, Anti-Recirculation, Right Side1
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B1-19-1 Soundproofing, Cooling Bay
33***03Panel, Soundproofing, Left Side; Drg States Right Side But This Is Incorrect W, Hen Compared With Machine Build1
33***05Panel, Soundproofing, Right Side; Drg States Left Side But This Is Incorrect Wh, En Compared With Machine Build1
82***08Retainer, Insulation12
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B1-18-1 Soundproofing, Engine Cover
33***26Panel, Soundproofing, Upper, Left Side1
33***28Panel, Soundproofing, Upper, Right Side1
33***29Panel, Soundproofing, Left Side1
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B1-30-1 Guards, Front Light, Optional
B1-8-1 Fenders, Rear
13***9DSetscrew, M10 X 35mm Long6
13***0DSetscrew, M16 X 40mm8
13***3DNut, Self Lock M106
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B1-16-1 Guard, Belly, Optional
13***8ZBolt, M12 X 3017
14***5ZWasher, Plain, 1/2" X 41mm Od17
14***9ZWasher, Spring M12; Replaces 60***09, San 13190, If Fitted. Item 12 Reduced In Length. Spring Washer Not Required With Shorter Capscrew, Washer, Spring M12; Replaces 60***09, San 1319017
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B1-14-1 Step/Toolbox
13***5ZScrew, M10 X 20mm Long; Use With Single Piece Casing. To Gearbox Number 445/143/831 Or 445/144/455, Screw, M10 X 20mm Long4
13***2ZBolt, M6 X 502
13***2DBolt, M10 X 5012
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B1-7-1 Cover, Cooling Bay
13***7DSetscrew, M8x2511
13***0DSetscrew, M10 X 40mm6
13***1DNut, Plain42
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B1-25-1 Air Conditioing, Condensor
13***3DSetscrew2
13***9DSetscrew4
13***5DSetscrew, M10 X 202
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B1-20-1 Soundproofing, Belly Guard
33***01Panel, Soundproofing, Belly Guard1
33***02Panel, Soundproofing, Belly Guard1
82***08Retainer, Insulation9
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B1-10-1 Fenders, Front
13***5DSetscrew, M6 X 20mm Long4
13***7DSetscrew, M8x258
13***0DSetscrew, M16 X 40mm14
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B1-4-1 Tank, Hydraulic
02***82Plug, Oil Drain1
02***98O Ring1
12***91Washer, Nylon4
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B1-2-1 Chassis Rear
12***92Cap, Filler, Lockable, Supplied Without Key1
12***43Seal1
13***7ZScrew, Hexagon M8 X 251
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B1-3-1 Bodywork, Steps,Light Brackets
13***3DSetscrew, M10 X16mm4
13***7DSetscrew, M10 X 25mm Long6
13***0DSetscrew, M12 X 402
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B2-24-2 Cover, Heater
13***5DSetscrew, M6 X 20mm Long2
13***3DSetscrew, M8 X 16mm2
13***3ZNut2
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B2-21-1 Armrest
12***53Spacer, Steel2
13***5DSetscrew, M8x202
14***7DWasher, M8 Plain2
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B2-1-1 Cab
12***47Handle, C/W Barrel Lock Only1
13***7ZScrew, Hexagon M8 X 252
13***1ZCapscrew, M6 X 10mm X 12.92
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B2-29-1 Soundproofing, Cab
13***5ZScrew, Hexagon M8 X 20mm Long6
14***7ZWasher, Plain, M8; Replaces Khn1550, San 126206
26***17Panel, Soundproofing, "C" Pillar; Superseded To 33***93 On San100944 D.Jackson 05/08/09, Pi R06267aa ( Supplier Change )2
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B2-30-1 Cab Mountings
13***3DBolt4
13***3DNut4
14***8ZWasher, External Teeth Lock4
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B2-31-1 Mirror, Interior
12***71Mirror, Interior Assembly2
82***72Screw, M5 X 252
82***77Spacer4
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B2-26-1 Fire Extinguisher
13***3ZScrew, M6x162
13***3ZNut, Self Lock, M62
14***6ZWasher, M62
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B2-27-1 Vandal Guards And, Shrouds, Canopy
13***5ZBolt1
13***3ZNut18
13***3ZNut, Self Lock, M62
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B2-3-1 Canopy
14***2ZWasher, Lock6
26***25G.A.1
26***57Canopy1
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B2-13-1 Roof And Skirts, Cab
13***5ZBolt1
13***0ZBolt, M10 X 404
13***3ZNut, Self Lock, M613
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B2-2-1 Door Restraints
13***2ZNut, Lock2
14***7ZWasher, Plain, M8; Replaces Khn1550, San 126202
21***08Pin, Clevis1
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B2-23-1 Drinks Holder
12***02Plate, Compression1
13***8ZBolt, M10 X 301
13***3ZNut, Lock, M101
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B2-10-1 Suspension Seat, Components, Kab/Bostrom
40***11Kit-Latch, Height Riser1
40***21Pad, Switch1
40***03Kit, Backrest Foam1
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B2-4-1 Interior Mouldings
12***31Vent, Air Register2
12***51Strip, Kick1
13***7DScrew, M6 X 25mm3
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B2-14-1 Suspension Seat, Heated, 24 Volt - Optional
26***92G.A., Seat, 24v Heated1
40***00Seat, Heated, 24 Volt1
40***00Belt, Safety, Inertia 42" Long; Superseded By 40/90***00, San22076 07/02/06, S.Littlewood.1
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B2-7-1 Visor, Sun
13***0DBolt, M6x402
14***6DWasher, M6 Plain2
26***68G.A.1
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B2-18-1 Air Suspension Seat, Components
40***21Pad, Switch1
40***03Kit, Backrest Foam1
40***05Kit, Seat Squab Foam1
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B2-9-1 Seat, Suspension, Kab/Bostrom
12***52Spacer2
13***0ZBolt, 7/16"Unfx1.1/2"Long2
13***3ZNut, Lock2
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B2-15-1 Suspension Seat, Components, 24 Volt Heated
40***11Kit-Latch, Height Riser1
40***21Pad, Switch1
40***03Kit, Backrest Foam1
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B2-6-1 Direct Glazing, Replacement Material
41***33Sealant, Dp2205 Clear, Silicone0
41***09Sealant, Black Acrylic 221, 310ml Cartridge0
41***09Adhesive, Jcb Ultrafast, 310ml Cartridge0
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B2-16-1 Seat, Suspension, Kab/Bostrom
12***52Spacer2
13***3ZNut, Lock2
13***08Bolt4
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B2-1-2 Cab
13***3DSetscrew2
13***7ZScrew, Hexagon M8 X 252
13***1DNut, M82
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B2-8-1 Visor, Sun
26***02G.A.1
33***72Visor, Sun1
82***23Screw, Spire1
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B2-22-1 Canopy Trim Kit
12***96Hook, Coat1
12***79Strap, Coat Tidy1
12***51Strip, Kick2
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B2-25-1 Skirts, Canopy
13***5ZBolt14
13***3ZNut, Self Lock, M614
13***2ZNut, Thin M202
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B2-5-1 Cab Glazing, Tinted, Sliding Window
26***78Hammer, Emergency, Glass Breaker; Supercedes 69***88, San 124991
26***79Holder, Hammer1
26***17Window, Drop Sliding & Frame, Tinted Green2
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B2-24-1 Cover, Heater
12***86Catch, Vandal Cover1
13***1ZBolt, M10 X 104
14***09Seal; Supplied With Item 1. Remove To Fit Item 18, Seal4
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B2-28-1 Guard Windscreen
13***7ZScrew, Hexagon M8 X 256
13***8ZScrew, M8x302
13***1ZBolt, M10 X 45mm4
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B3-1-1 Arms, Loader, & Linkage
13***0DSetscrew13
14***01Nipple, Grease, Straight, 1/8 Bsp12
26***79Spacer2
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B3-5-1 Remote Greasing, Z Bar
14***08Seal, Washer1
20***04Adaptor, Grease1
26***78Bracket, Remote Greasing1
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B3-4-1 Safety Strut
12***00Strap1
13***7ZBolt1
13***3ZNut1
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B5-2-1 Labels, Identity
81***16Label, Height, 12 Ft.1
81***16Label, Tyre Pressure1
81***22Decal, Engine Cover, 446zx2
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B5-1-1 Labels
81***73Label, Caution1
81***52Label, Battery, Isolator1
81***39Label, Warning English, Read Operating Book1
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B5-4-1 Labels, Cab
81***77Label, Read Handbook1
81***05Decal, Loader Control, 3 Spool1
81***06Label, Lever Lock1
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B6-4-1 Homologation, Rear Number Plate, German
13***7DScrew, M6 X 25mm2
14***6DWasher, M6 Plain2
26***74Mounting, No.Plate Light1
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B6-3-1 Homologation Parts, German
13***7DSetscrew, M8x258
13***3ZNut8
13***3DNut, Self Lock M88
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B6-2-1 Hazard Warning Kit, Toothguard, German
12***99Plate, Hazard Warning1
13***8ZBolt, M10 X 302
13***3ZNut, Lock, M102
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B6-1-1 Homologation Parts, Italian
12***00Strap3
12***81Bracket, Number Plate1
26***65Plate, Tilt Ram Stay1
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C Electrics-Machine, Cab & Engine
C1-14-1 Work Lights, Front, 24 Volt
26***38G.A.1
70***00Light, Front Working,24v, Twin Power(2 Bulbs)2
72***32Bulb, H3 24v 70w2
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C1-26-1 Electrics, Auxilliary Solenoids, Proportional Control
70***13Cover, Auxiliary, Decal1
70***31Switch, 24v1
70***37Gasket, Panel Switch1
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C1-2-1 Harness, Canopy Electrics
13***5ZScrew, Hexagon M8 X 20mm Long1
14***7ZWasher, Plain, M8; Replaces Khn1550, San 126201
24***09Grommet2
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C1-4-1 Electrics Trailer, 24 Volt
13***5ZScrew, Hexagon M8 X 20mm Long2
13***3ZNut3
13***9ZCapscrew3
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C1-12-1 Work Light, Rear
12***05Bracket1
13***3ZScrew, M8 X 161
13***3ZNut, Self Lock, M81
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C1-23-1 Harness Brackets
26***08Bracket, Mounting P Clip0
26***09Bracket, Mounting1
26***10Bracket, Mounting, Alternator Wiring0
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C1-22-1 Pressure Switches, Brake And Dump
13***0DSetscrew, M8 X 40mm Long2
13***3ZNut, Back 3/8" Bsp1
13***3DNut, Self Lock M82
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C1-24-1 Heated Mirror
13***9DBolt, M10 X 35mm Long2
13***3DNut, Self Lock M102
33***71Bracket, Mirror1
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C1-10-1 Cctv Installation, 'Mitsubishi' Cv40, Optional
13***7ZScrew, M6 X 25mm Long2
13***3ZNut, Self Lock, M62
14***6ZWasher, M64
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C1-9-1 Harness Connectors, Sumitomo
72***01Plug, Dummy, Brown0
72***02Seal, Wire, 1.4-2.2mm Od Blue0
72***03Seal, Wire, 2.2-2.9mm Od Brown0
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C1-5-1 Electrics Trailer, 12 Volt
13***5ZBolt, M5 X 20mm Long6
13***5ZScrew, Hexagon M8 X 20mm Long2
13***3ZNut9
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C1-19-1 Light, Head, Right Hand Dip
70***01Lens, Indicator1
70***01Lens, Assembly, Headlight1
70***09Light, & Side Repeater, Rh Dip, Lh Side1
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C1-15-1 Light, Beacon, Hazard Warning, Optional
13***1ZSetscrew, M6 X 12mm Long2
14***6ZWasher, M62
26***42Beacon, Assembly, 24 Volt, Inc. Bracket1
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C1-25-1 Electrics, Auxilliary Solenoids, Bang-Bang
26***32Resistor, Assembly; Earthmovers Supplier: Parkinson Harness Tech, Ltd1
33***24Bracket, Relay Mounting1
70***13Cover, Auxiliary, Decal1
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C1-3-1 Battery & Fittings
13***8ZBolt3
13***5DSetscrew, M8x202
13***3ZNut3
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C1-16-1 Alarm, Reverse
13***7ZScrew, M6 X 25mm Long4
13***5ZScrew, Hexagon M8 X 20mm Long2
13***3ZNut, Self Lock, M64
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C1-10-2 Cctv Installation, 'Mitsubishi' Vt-70
13***3ZNut2
14***5ZWasher, M5; Replaces 69***592
26***22G.A.1
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C1-18-1 Light, Head, Left Hand Dip
70***01Lens, Indicator1
70***01Lens, Assembly, Headlight1
70***07Light, & Side Repeater, Lh Dip, Lh Side1
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C1-11-1 Light, Number Plate
13***3DSetscrew2
14***6DWasher, M6 Plain2
26***74Mounting, No.Plate Light1
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C1-20-1 Horn, Single Tone
13***7ZBolt, M10x251
13***3ZNut, Lock, M101
14***8ZWasher, Plain M10; San 23620 Ref Dave Bickerton Confirms Identic, Al To 33***8z Rationalise Parts1
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C1-7-1 Fuel Sender
13***3DScrew, M5x164
14***5DWasher4
70***86Sender, Fuel1
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C1-8-1 "P" Clips
13***3ZScrew, M6x161
13***5ZBolt1
13***3ZNut, Self Lock, M61
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C1-6-1 Fuses And Relays, Battery Mounted
13***5ZScrew, Hexagon M8 X 20mm Long1
14***7ZWasher, Spring1
26***49G.A., Ga Primary Fuse Box1
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C1-1-1 Harnesses
72***18Harness, Side Console1
72***20Harness, Rear Cab1
72***24Harness, Transmission1
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C1-17-1 Light Combination, Rear 24v
70***68Rear Cluster, With Reverse Light1
70***69Rear Cluster, With Fog Light1
70***72Lens, Red, Rear Position/Stop2
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C1-27-1 Electrics, Emergency Steer
13***7DScrew, M6 X 25mm1
13***3DNut, M6 Lock5
14***6DWasher, M6 Plain10
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C1-16-2 Alarm, Reverse, Bbs
13***7DSetscrew, M8x252
13***0DBolt2
13***3DNut, Self Lock M82
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C2-3-1 Alternator
71***04Stator, Assembly1
71***07Rectifier, Bridge Assembly1
71***08Diode, Trio1
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C2-6-1 Solenoid, Engine Stop
02***46Nut, Lock1
02***47Washer1
02***02Screw, M8 X 20mm1
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C2-4-3 Alternator Mountings, Sealed, Optional
02***97Belt, Fan Drive1
13***7DScrew, M6 X 25mm6
13***8DSetscrew, M12 X 304
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C2-3-2 Alternator, Sealed, 24volt-50amp, Optional
71***02Unit, Rectifier/Regulator1
71***03Regulator, Voltage1
71***04Circuit Board, Pc1
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C2-1-1 Electrical Equipment
70***21Switch, Vacuum Pressure1
70***65Switch, Engine Oil Pressure1
71***19Alternator, 24v-70a1
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C2-4-2 Alternator Guard
13***7DSetscrew, M10 X 25mm Long3
13***8DSetscrew, M10 X 302
13***3DNut, Self Lock M105
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C2-4-1 Alternator Mountings
02***19Screw1
02***20Screw3
02***22Screw, Flange Head, M10 X 251
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C2-5-1 Engine Heater, Circuit
13***8DScrew, M5x303
13***5DSetscrew, M6 X 20mm Long2
13***3DNut, Lock M53
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C2-2-1 Motor, Starter, 24.Volt
71***57Motor, Starter1
71***41Kit-Brush, Negative2
71***42Kit-Brush, Positive2
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C3-7-1 Motor,Wiper,Washer, Front And Rear
13***5DSetscrew, M6 X 20mm Long2
13***6ZBolt, M8 X 702
13***3DNut, M6 Lock2
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C3-24-1 Heater Door, Heavy Duty Filter
13***3DSetscrew, M8 X 16mm2
13***7DSetscrew, M8x252
13***3DNut, Self Lock M82
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C3-23-1 Heater Hoses
11***03Tap1
22***05Clip, Jubilee6
33***80Pipe, Hose Connector1
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C3-16-1 In Cab Convertor, 24/12 Volt
13***1ZScrew, M5 X 12mm; Replaces 69***944
13***3ZNut4
13***3ZCapscrew2
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C3-2-1 Fuse Box Cover
13***2ZScrew2
13***3ZScrew, M6x164
13***1ZNut, M5-86
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C3-12-1 Ashtray & Lighter
14***02Screw4
26***90Ashtray1
26***88Bracket1
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C3-6-1 Instrument Panel, Canopy, 24 Volt
26***51Bracket, Buzzer1
26***12G.A.1
70***02Indicator, Stalk1
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C3-1-1 Instrument Panel, 24 Volt
24***14Grommet1
26***38G.A.1
70***00Light, Master, Warning 24v1
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C3-8-1 Switch, Column
04***01Switch, Column1
13***3ZCapscrew2
26***01G.A.1
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C3-21-1 Air Conditioning, Common Parts
12***03Tie, Cable, L=300mm X W=7.6mm3
13***0ZBolt, M6 X 40mm Long2
13***4ZBolt1
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C3-22-1 Air-Con, Installation
13***9DBolt1
13***2DBolt1
13***4DBolt2
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C3-2-2 Fuses And Relays
13***1ZScrew, M5 X 12mm; Replaces 69***945
13***3ZNut13
13***07Screw, Cap8
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C3-4-1 Fuse Box Lid, Canopy
13***5ZBolt3
13***0ZBolt1
13***3ZNut4
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C3-11-1 Instrument Panel, Roof Mounted
26***92G.A.1
33***23Panel, Switch, Roof Mounted; Superseded To 33***90 On San100543, D.Jackson 11/03/091
70***00Light, Interior1
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C3-3-1 Fuses And Relays
13***1ZScrew, M5 X 12mm; Replaces 69***942
13***3ZNut9
13***07Screw, Cap8
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C3-15-1 Radio Installation
26***84Plate, Clamping2
26***63G.A., Ga Speaker & Arial I1
71***00Aerial1
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C3-10-1 Canopy Electrics, 24 Volt
13***3ZNut3
26***34G.A.1
70***03Cover, Roadlamps, Switch Decal1
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C3-14-1 Control Unit, Transmission
04***38Unit, Transmission Control1
04***55Unit, Control, No 3rd/4th Gears1
26***23G.A.1
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C3-20-1 Air Con. Unit, Components
25***02Valve, Expansion1
25***03Valve, Water1
26***17Unit, Air Conditioning1
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C3-5-1 Fuses And Relays, Canopy Build, 24 Volt
14***07Screw4
14***09Screw, Self Tapper, M8 X 2" Long2
26***13G.A.1
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D Controls-Machine, Engine & Steering
D1-4-1 Valve Servo, Joystick Control, Solenoid Operated Auxiliaries
13***5ZBolt5
14***11Seal, Bonded8
14***6ZWasher, M65
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D1-20-1 Control, Tilt Reset, Z Bar
13***8ZBolt, M10 X 302
13***8ZScrew1
13***8ZBolt, M8x80mm Long2
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D1-2-1 Handle, Servo Controller
25***68Spring2
25***69Pin2
25***21Switch, Sliding1
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D1-3-2 Servo Valve, Components,928/60033
25***54Kit-Plunger4
25***42Regulator1
25***43Regulator3
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D1-21-1 Control, Reset, Lift Arm
13***6ZBolt, Hex. Head, M10 X 702
13***3ZNut, Lock, M102
14***8ZWasher, Plain M10; San 23620 Ref Dave Bickerton Confirms Identic, Al To 33***8z Rationalise Parts4
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D1-1-1 Valve Servo, Joystick Control
13***5DSetscrew, M6 X 20mm Long5
14***11Seal, Bonded8
14***6DWasher, M6 Plain5
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D1-10-1 Brake, Parking, Control
13***5DSetscrew, M8x203
13***2ZBolt2
13***2ZNut2
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D1-3-1 Servo Valve, Components, 3 Spool Page Superseded See Index
25***04Coil, Assembly, 12 Volt3
25***01Coil, Assembly, 24 Volt; Superseded By 25/94***05 D.Jackson 06/08/08 On San26373 ( Request From Andrew Wier )3
25***01Kit, Electric Detent, 24 Volt1
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D2-1-1 Control, Throttle
02***87Lever, Throttle Extension1
13***3ZScrew, M6x162
13***5ZBolt2
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D2-3-1 Control, Hand Throttle, Optional
12***30Knob1
13***0ZBolt4
13***7DScrew, M6 X 25mm2
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D3-2-1 Flexible Joint, Steering Column
12***61Plate, Retainer1
13***9ZSetscrew, M8x351
13***7ZBolt, M10x254
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D3-1-1 Steering Column
12***42Knob, Assembly, Steering Wheel1
12***00Wheel, Steering1
13***9ZBolt, M8 X 35mm4
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E Hydraulics & Air Including, Steering
E1-19-1 Cooler, Oil, Hydraulic
13***8DCapscrew, M10x308
14***8ZWasher, Spring M10; Replaces 60***8r & 60***08, Replaces Luu0105-San 12222, Washer, Spring M10; Replaces 60***8r & 60***08, Replaces Luu0105-San 12222, Used On Outlet Adapter, Item 5. Also N524275 & 52***55, Washer, Spring M10; Replaces 60***8r & 60***08, Replaces Luu0105-San 12222, Used On Outlet Adapter, Item 5. Also M524275 & 52***558
26***01Clamp4
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E1-17-2 Hose And Pipework, Load Suspension
13***8DSetscrew, M10 X 302
13***3DNut, Self Lock M108
14***11Seal, Bonded2
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E1-7-2 Hose And Pipework, Charge Pump
16***12Adapter1
16***04Adapter, 3/4"Unf Sae "O" Ring, 3/8"Bsp Male, Adapter, 3/4"Unf Sae "O" Ring, 3/8"Bsp Male; Early M/C'S Will Have Bonded Seals,Not'O'Ring. See Note 12
16***06Adapter, 39.5mm Lg. M/M1
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E1-10-1 Hose And Pipework, Servo Controller, Loader, Under Cab
13***5ZScrew, Hexagon M8 X 20mm Long2
14***7ZWasher, Plain, M8; Replaces Khn1550, San 126202
17***01Plug, 7/16"Unf, O Ring Boss1
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E1-20-1 Hose And Pipework, Hydraulic Tank
61***00Hose1
63***52Hose1
64***95Hose, Suction1
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E1-5-1 Hose And Pipework, Steer Valve
16***01Adapter; Early M/C'S Will Have Bonded Seals,Not'O'Ring. For Adapters On Early M/C'S See Steer Valve Page, E3., Adapter, Adapter; Early M/Cs Will Have Bonded Seals,Not'O'Rings. For Adapters On Earlier M/Cs See Steer Valve Page, E3.1
16***05Adapter, 3/4"Unf O-Ring Boss, 1/2"Bsp Male4
24***03O Ring1
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E1-1-1 Circuit, Loader End, Z Bar
13***7ZScrew, Hexagon M8 X 258
13***5ZScrew, M10 X 20mm Long; Use With Single Piece Casing. To Gearbox Number 445/143/831 Or 445/144/455, Screw, M10 X 20mm Long2
13***0ZBolt, M10 X 1002
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E1-6-1 Hose And Pipework, Main Pump
13***8ZBolt, M12 X 304
13***13Capscrew4
14***8ZWasher, Spring M10; Replaces 60***8r & 60***08, Replaces Luu0105-San 12222, Washer, Spring M10; Replaces 60***8r & 60***08, Replaces Luu0105-San 12222, Used On Outlet Adapter, Item 5. Also N524275 & 52***55, Washer, Spring M10; Replaces 60***8r & 60***08, Replaces Luu0105-San 12222, Used On Outlet Adapter, Item 5. Also M524275 & 52***558
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E1-10-5 Hose And Pipework, Servo Controller, Loader, Under Cab, Solenoid Auxilliaries
13***5ZScrew, Hexagon M8 X 20mm Long2
14***7ZWasher, Plain, M8; Replaces Khn1550, San 126202
17***01Plug, 7/16"Unf, O Ring Boss1
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E1-16-1 Hose And Pipework, Ground Pump
61***00Hose1
63***00Hose1
81***74Adapter1
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E1-24-1 Hose & Pipework, Auxillary Solenoid, Accumulator
13***0DSetscrew, M10 X 40mm2
13***3DNut, Self Lock M102
14***08Seal, Washer1
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E1-4-1 Hose And Pipework, Loader Valve
13***9DCapscrew, M12 X 35lg8
14***18Seal, Bonded, 1/2" Bsp2
14***9ZWasher, Spring M12; Replaces 60***09, San 13190, If Fitted. Item 12 Reduced In Length. Spring Washer Not Required With Shorter Capscrew, Washer, Spring M12; Replaces 60***09, San 131901
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E1-9-1 Hose And Pipework, Servo Controller, Loader
14***11Seal, Bonded10
16***02Adapter, 1/4" Bsp M/M10
25***00Valve, Ball1
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E1-7-1 Hose And Pipework, Charge Pump
14***11Seal, Bonded1
14***15Washer, Seal; Replaces Khj08912
14***18Seal, Bonded, 1/2" Bsp1
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E1-14-2 Hose And Pipework, Fan Motor, Cooling Bay
13***8DCapscrew, M10x3016
14***11Seal, Bonded1
14***21Seal, Bonded 3/4" Bsp2
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E1-17-1 Hose And Pipework, Load Suspension
13***9ZScrew, M12 X 35mm, Screw, M12 X 35mm; M12 X 35. Items 21 & 22 Are Used On 23***00 And 23***00 Throttle Brackets4
13***2ZBolt, M14 X 50 Lg8
13***0DCapscrew8
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E1-11-1 Hose And Pipework, Test Points
14***08Seal, Washer3
14***11Seal, Bonded2
16***01Adapter3
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E1-13-1 Hose And Pipework, Reverse Fan
13***5DSetscrew, M10 X 204
14***8DWasher, M104
14***8ZWasher, Spring M10; Replaces 60***8r & 60***08, Replaces Luu0105-San 12222, Washer, Spring M10; Replaces 60***8r & 60***08, Replaces Luu0105-San 12222, Used On Outlet Adapter, Item 5. Also N524275 & 52***55, Washer, Spring M10; Replaces 60***8r & 60***08, Replaces Luu0105-San 12222, Used On Outlet Adapter, Item 5. Also M524275 & 52***554
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E1-28-1 Hose And Pipework, Quickhitch Locking
13***5DSetscrew, M6 X 20mm Long3
13***2ZScrew, M6 X 502
13***1DSetscrew, M8 X 12mm1
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E1-18-1 Hose And Pipework, Accumulators, Load Suspension
14***26Washer, Seal2
16***12Adapter2
32***36Accumulator2
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E1-9-5 Hose And Pipework, Servo Controller, Loader, Solenoid Aux. On Valve Block
14***11Seal, Bonded8
16***02Adapter, 1/4" Bsp M/M8
25***00Valve, Servo, Loader Control1
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E1-8-1 Hose And Pipework, Emergency Steer
13***8ZBolt, M12 X 302
13***1ZBolt, M8 X 452
14***7ZWasher, Plain, M8; Replaces Khn1550, San 126202
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E1-15-1 Hose And Pipework, Hyd/Transmission, Engine Bay
16***06Adapter1
61***65Hose1
63***28Hose1
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E1-14-1 Hose And Pipework, Fan Motor, Cooling Bay
13***8DCapscrew, M10x3016
14***11Seal, Bonded1
14***21Seal, Bonded 3/4" Bsp2
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E1-12-1 Hose And Pipwork, Steer Rams
13***0DBolt, M8x1002
13***3DNut, Self Lock M82
14***7DWasher, M8 Plain4
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E1-8-2 Hose And Pipework, Emergency Steer
13***5DSetscrew, M8x205
13***7DSetscrew, M10 X 25mm Long1
13***7DSetscrew, M12 X 252
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E2-5-1 Motor, Fan
20***61Motor, Hydraulic1
20***18Motor, Hydaulic1
20***34Kit, Seal1
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E2-2-1 Main Hydraulic Pump, Components
20***18O Ring6
20***25Pump, Twin, 60cc1
20***08Valve, Pilot, Dfr 12
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E2-3-1 Pump, Emergency Steer
20***09Pump, Emergency Steer; Superseded By 33***92 D.Jackson 22/05/08, San26158 (Pi R00719 Ac) No Thermal Cut-Out1
25***63Kit, Motor1
25***64Kit, Brush1
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E2-4-1 Pump, With Charge Valve
20***69Pump, Charge1
20***52Kit-Seal1
20***95Valve, Assembly1
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E3-23-1 Valve Components, 25/220963, 3 Spool
25***01Kit, Section, Sealing3
25***01Body, Assembly, Inlet1
25***94Valve, Section, Priority Steer1
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E3-22-1 Valve Components, 928/60072
25***01Kit, Section, Sealing3
25***01Body, Assembly, Inlet1
25***93Cover, End C/W Pressure, Reducing Valve1
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E3-10-1 Valve, Load Suspension
25***80Kit-Seal, Suspension Valve1
25***96Valve, Pressure Relief1
25***97Block, Control2
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E3-1-1 Valve Assembly, 3 Spool & Adapters
13***9ZScrew, M10x35mm2
13***2ZBolt, Bolt; Qty Was 1 Off Before New Plate. Old Fasteners Were 13***8z X 2 & 13***2z X 12
13***3ZNut, Lock, M104
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E3-21-1 Lubricants & Filters
26***97G.A.1
40***1AOil, Ls Gear, 5 Litres1
40***02Oil, Ls Gear, 25 Litres1
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E3-19-1 Valve, Section, Priority Steer
25***94Valve, Section, Priority Steer1
25***78Spring, Compensator1
25***79Spring, Compensator, Inner1
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E3-3-1 Valve Assembly, 25/220963
25***01Kit, Section, Sealing1
25***01Body, Assembly, Inlet1
25***94Valve, Section, Priority Steer1
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E3-2-1 Valve Assemebly, 928/60072
25***01Kit, Section, Sealing1
25***01Body, Assembly, Inlet1
25***93Cover, End C/W Pressure, Reducing Valve1
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E3-10-2 Valve, Load Suspension
25***27Valve, Ride Control; V191
25***69Housing1
25***70Socket1
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E3-11-1 Valve Assembly, 25/221741 Rev.Fan
13***11Screw, Cap4
25***41Valve, Reversing Fan1
25***28Kit-Seal1
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E3-20-1 Filter, Hydraulic
13***7ZBolt, M10x254
14***8ZWasher, Plain M10; San 23620 Ref Dave Bickerton Confirms Identic, Al To 33***8z Rationalise Parts4
32***03Bridge1
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E4-4-1 Ram, Quickhitch
23***00O Ring1
24***01Seal, Gland1
24***27Seal1
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E4-5-1 Ram, Shovel, Sales Special
13***15Screw, Cap8
69***47Screw, Set; Part Made N.L.A By Supplier, Ref San107551
69***48Ball, Steel; Part Made N.L.A By Supplier, Ref San107551
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E4-3-1 Ram, Lift
69***06Ring, Snap1
69***70Shim1
69***76Kit, Repair, Nut; Replaces 69***711
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E4-2-1 Ram, Shovel
13***15Screw, Cap8
33***63Bracket, Shovel Reset1
69***47Screw, Set; Part Made N.L.A By Supplier, Ref San107551
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E4-1-1 Ram, Steering
14***01Nipple, Grease, Straight, 1/8 Bsp2
14***01Nipple, Grease, 90deg. Angle1
23***08O Ring1
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F Axles, Wheels & Transmission
F1-2-1 Differential, Components
10***49Kit, Crownwheel & Pinion1
10***51Trunnion, Pinion1
10***72Washer, Thrust2
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F1-11-1 Axle Assembly, Front Pr15, Lsd, 10/300216, Data Plate Ref. 3286123
10***16Axle, Front Pr15 Lsd, Smoothshift1
10***01Plug, Drain1
10***02Plug, Oil Level1
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F1-1-1 Axle Assembly, Front Pr15, Std., 10/300214, Data Plate Ref. 3286103
10***14Axle, Front Pr15, Smoothshift1
10***01Plug, Drain1
10***02Plug, Oil Level1
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F1-3-1 Hub & Components, Front, 10/300214, 10/300216
10***00Disc, Brake8
10***76Cover, End, Jcb2
10***78Plate, Pressure2
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F1-12-1 Differential, Components, Limited Slip
10***27Casing, Assembly1
10***49Kit, Crownwheel & Pinion1
10***51Trunnion, Pinion1
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F2-1-1 Axle Assembly, Rear, 10/300215, Data Plate Ref. 3286113
10***15Axle, Rear Pr15, Smoothshift1
10***01Plug, Drain1
10***02Plug, Oil Level1
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F2-2-1 Differential, Components
10***82Kit, Crownwheel & Pinion1
10***83Differential, Assembly1
10***84Drivehead, Assembly, Complete1
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F2-10-1 Axle Pivot, Rear
13***6DBolt8
13***1DBolt6
13***7DCapscrew4
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F2-3-1 Hub & Components, Rear, 10/300215, 10/300217
10***00Disc, Brake8
10***76Cover, End, Jcb2
10***79Plug, C/W O Ring2
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F2-12-1 Differential, Components, Limited Slip
10***82Kit, Crownwheel & Pinion1
10***86Pinion, Spider1
10***88Drivehead, Assembly, Complete1
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F2-11-1 Axle Assembly, Rear Pr15, Lsd, 10/300217, Data Plate Ref. 3286133
10***17Axle, Rear Pr15 Lsd, Smoothshift1
10***01Plug, Drain1
10***02Plug, Oil Level1
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F3-2-1 Wheels & Tyres, Michelin, 5 Piece Rim
25***01Valve1
25***03Adapter, Valve1
26***36Wheel, And Tyre Assembly, Mich.Xld65-1superl3t1
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F3-4-1 Wheels & Tyres, Bridgestone, 5 Piece Rim
25***01Valve1
25***03Adapter, Valve1
26***34Wheel, And Tyre Assembly, Bridgestone Vl24
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F3-1-1 Wheels & Tyres, Michelin, 3 Piece Rim
25***01Valve1
25***03Adapter, Valve1
33***24Wheel, And Tyre, Michelin, 20.5x25 Xtla4
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F3-3-1 Wheels & Tyres, Bridgestone, 3 Piece Rim
25***01Valve1
33***67Wheel, And Tyre, Brdstone, 20.5r25 Vut L24
33***68Wheel, And Tyre, Brdstone, 20.5r25 Vmt4
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F3-6-1 Wheels & Tyres, Goodyear, 5 Piece Rim
25***01Valve1
25***03Adapter, Valve1
26***14Wheel, And Tyre Assembly, Goodyear Gp-2b1
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F3-5-1 Wheels & Tyres, Goodyear, 3 Piece Rim
25***01Valve1
33***23Wheel, Assembly, 20.5-25, Goodyear, 12 Ply4
33***31Wheel, And Tyre, Goodyear, 20.5r25 Gp-2b4
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F4-1-1 Propshafts, Transmission
11***25Strap8
13***9DBolt, Grade 12.92
13***3DNut10
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F5-4-1 Oil Pump
04***16Screw, M1010
20***83Pump, Gear; Was 0501-214-216 D.Jackson 23/04/071
20***32Pump, Oil Pressure1
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F5-10-1 Coupling Group, Fourth
04***69O Ring1
04***71Spring, Cup7
04***72Ring, Retaining1
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F5-11-1 Coupling Group, Forward
04***69O Ring1
04***72Ring, Retaining1
04***73Ring, Snap1
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F5-6-1 Pipework, Gearbox Housing
33***28Pipe, Assembly1
33***29Pipe, Assembly2
33***30Pipe, Assembly1
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F5-8-1 Coupling Group, Second
04***69O Ring1
04***71Spring, Cup7
04***72Ring, Retaining1
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F5-5-1 Gearbox Housing
04***07Capscrew51
04***23Screw2
04***28Nut12
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F5-22-1 Dipstick, Transmission
04***94Dipstick1
04***26Screw, M8x182
04***60Bolt2
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F5-23-1 Blanking Plugs
04***53O Ring2
04***82Plug1
04***83O Ring1
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F5-12-1 Coupling Group, Reverse
04***69O Ring1
04***72Ring, Retaining1
04***73Ring, Snap1
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F5-18-1 Pressure Regulator
04***86Valve1
04***87Piston1
04***88Plate, Pressure1
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F5-6-2 Pipework, Gearbox Housing
04***92Pipe, Oil1
04***93Capscrew, M82
04***94Pipe, Oil1
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F5-7-1 Coupling Group, First
04***68Piston1
04***69O Ring1
04***70O Ring1
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F5-17-1 Gearshift System
04***77Gasket1
04***78Screen6
04***79Plate, Intermediate1
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F5-2-1 Torque Converter
04***47Torque Converter1
04***05Bolt18
04***67Washer8
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F5-24-1 Transmission, Mounting
12***02Plate, Compression4
13***8ZBolt, M10 X 308
13***10Bolt, M20 X 40 Lg4
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F5-19-1 Filter, Transmission Oil
04***46O Ring; Superseded To 33***31 On San100877, D.Jackson 07/07/09 ( Instruction From Zf )2
32***97Element, Filter; Superseded By 32/92***05 D.Jackson 12/10/06, San229411
32***38Cover, Filter Head1
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F5-15-1 Gearshift System
04***48Gasket1
04***49Gasket1
04***50Plate, Intermediate1
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F5-13-1 Output Group
04***84Bearing, Roller2
04***41Shaft, Output; Was Zf Part Number 4657-303-0031
04***42Yoke, End1
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F5-1-1 Transmission, & Converter Housing, Group
04***54Transmission, Smoothshift1
04***94Transmission, Complete1
71***65Sensor, Speed3
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F5-20-2 Blanking Plate, Emergency Steer
04***26Screw, M8x1823
04***57Gasket1
33***05Cover1
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F5-21-1 Sender, Transmission
04***93Cap, Sealing1
04***17O Ring1
04***19Plug, M141
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F5-9-1 Coupling Group, Third
04***69O Ring1
04***71Spring, Cup1
04***72Ring, Retaining1
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F5-3-1 Input Group
04***25Shaft, Input1
04***18Ring, Snap1
04***49Ring, Piston2
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F5-14-1 Power Take-Off
04***44Shaft, Pump1
04***45Ring, Retaining1
04***46Plate, Cover1
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F5-16-1 Control Valve, Gearshift System
04***60Orifice6
04***61Piston6
04***62Plug8
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F5-20-1 Pump, Emergency Steer
04***44Cover1
04***45Gasket, Cover1
04***12Pump, Emergency Steer1
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F5-15-2 Gearshift System
04***52Plug1
04***53O Ring2
04***55Spring1
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F6-2-1 Hose And Pipework, Transmission Casing
16***12Adapter, 1" Bsp, M/M2
24***10O Ring1
63***50Hose1
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F6-1-1 Cooler, Oil, Transmission
13***8DCapscrew, M10x308
14***8ZWasher, Spring M10; Replaces 60***8r & 60***08, Replaces Luu0105-San 12222, Washer, Spring M10; Replaces 60***8r & 60***08, Replaces Luu0105-San 12222, Used On Outlet Adapter, Item 5. Also N524275 & 52***55, Washer, Spring M10; Replaces 60***8r & 60***08, Replaces Luu0105-San 12222, Used On Outlet Adapter, Item 5. Also M524275 & 52***558
26***01Clamp4
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G Brakes
G1-9-1 Brake Switch, Installation
13***0DSetscrew, M8 X 40mm Long2
13***3ZNut, Back 3/8" Bsp1
13***3DNut, Self Lock M82
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G1-2-1 Brake Caliper, Parking
13***3ZBolt, M14 X 554
13***8ZBolt, M16 X 802
13***3ZNut, Self Lock, M61
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G1-5-2 Hose And Pipework, Charge Pump
16***12Adapter1
16***04Adapter, 3/4"Unf Sae "O" Ring, 3/8"Bsp Male, Adapter, 3/4"Unf Sae "O" Ring, 3/8"Bsp Male; Early M/C'S Will Have Bonded Seals,Not'O'Ring. See Note 12
16***06Adapter, 39.5mm Lg. M/M1
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G1-3-1 Hose And Pipework, Park Brake Valve, Accumulators
16***03Adapter2
16***04Adapter, 3/4"Unf Sae "O" Ring, 3/8"Bsp Male, Adapter, 3/4"Unf Sae "O" Ring, 3/8"Bsp Male; Early M/C'S Will Have Bonded Seals,Not'O'Ring. See Note 12
24***05O Ring1
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G1-7-1 Brake Pipes
13***3ZBolt, M10 X 162
13***1DBolt, M10 X 45mm Long2
13***3ZNut, Lock, M102
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G1-5-1 Hose And Pipework, Charge Pump
14***11Seal, Bonded1
14***15Washer, Seal; Replaces Khj08912
14***18Seal, Bonded, 1/2" Bsp1
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G1-6-1 Brake Pedal
13***4ZBolt1
13***0ZBolt, M10 X 1001
13***2ZScrew, 2 B.A. X 1/2"; To Secure The Horizontal And Vertical Edges. Used To M602765 (926) And M608319 (930), Screw, 2 B.A. X 1/2"4
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G1-1-1 Valve, Brake
13***2DNut, Thin1
13***16Capscrew, M8 X 70mm3
14***15Washer, Seal; Replaces Khj08915
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U Engine C Series 8.3 Litre
U1-5-2 Pulley Guards
13***7DSetscrew, M8x258
13***3DNut, Self Lock M83
14***7DWasher, M8 Plain12
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U1-7-1 Flywheel & Housing
02***67O Ring1
02***68Plug1
02***69Plate, Cover1
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U1-6-1 Timing Case, Camshaft & Gears
02***43Seal1
02***55Ring, Retaining1
02***56Pin, Timing1
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U1-4-1 Crankshaft, Bearings, Pistons & Con-Rods
02***39Dowel, Pin1
02***20Crankshaft, Assembly1
02***21Gear, Crankshaft1
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U1-1-1 Engine, Complete
01***96Engine, Complete, Turbocharged, 185bhp1
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U1-6-2 Timing Case, Auxiliary Drive
02***87Gasket1
02***61Plate, Cover1
02***33Spacer1
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U1-8-1 Engine Mountings
02***89Screw, M12 X 904
02***63Bracket, Engine Support, Front1
12***02Plate, Compression2
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U1-5-1 Fans, Pulleys, & Fan Belt
02***32Bearing1
02***33Circlip2
02***35Hub, Fan1
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U1-3-1 Block Assembly
02***14Dowel, Pin2
02***15Plug, Pipe, 1/2"Npt7
02***28Seal, Rectangular Ring1
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U2-2-1 Rocker Assembly, Push Rods & Tappets
02***24Manifold, Rocker Oil Feed1
02***25Washer, Plain12
02***26Washer, Spring12
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U2-1-1 Cylinder Head
02***06Plug, Expansion, D=58mm2
02***07Plug, Expansion, D=26mm5
02***15Plug, Pipe, 1/2"Npt1
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U2-3-1 Rocker Cover
02***69Clamp, Hose2
02***77Gasket, Rocker Cover1
02***78O Ring6
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U2-4-1 Lifting Plates, Engine
02***07Bracket, Lifting1
02***08Bracket, Lifting1
02***87Screw2
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U3-5-1 Heater, Air Intake
02***01Lead, Earth1
02***01Gasket, Inlet Manifold1
02***45Heater, Engine1
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U3-4-1 Exhaust System
13***7DSetscrew, M8x252
13***7DSetscrew, M10 X 25mm Long8
13***9DSetscrew, M10 X 35mm Long4
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U3-1-1 Manifold, Induction
02***15Plug, Pipe, 1/2"Npt1
02***01Gasket, Inlet Manifold1
02***09Cover, Air Induction1
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U3-3-2 Filter, Pre-Cleaner
13***5ZBolt4
13***3ZNut, Self Lock, M64
14***6ZWasher, M68
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U3-3-1 Filter, Air
13***7ZBolt, M10x254
13***6ZBolt, Hex. Head, M10 X 704
13***3ZNut, Lock, M106
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U3-2-1 Manifold, Exhaust
02***04Plate, Lock12
02***44Gasket, Turbo To Manifold1
02***36Nut4
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U3-4-2 Exhaust System
02***47Clamp, D=104.41
13***8DSetscrew, M10 X 308
13***9DSetscrew, M10 X 35mm Long4
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U4-4-1 Radiator, Fittings & Mountings
12***02Plate, Compression2
13***7DSetscrew, M8x2520
13***7DSetscrew, M10 X 25mm Long8
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U4-5-4 Cooler Assembly, Wide Core, Epoxy Coated
30***24Cooler, Combination, Wide Core,Epoxy Coat1
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U4-5-2 Cooler Assembly, Epoxy Coated
13***7ZBolt, M10x2516
13***0ZBolt, M12x404
13***3ZNut, M124
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U4-7-1 Cooler, Air Charge, Hose & Pipework
02***13Plug1
02***04Nut, Lock1
02***05Pipe, Elbow, Air Transfer1
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U4-5-1 Cooler Assembly
13***7ZBolt, M10x2516
13***0ZBolt, M12x404
13***3ZNut, M124
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U4-3-1 Corrosion Resistor, Installation
02***66Plug, Pipe, 3/4"Npt2
02***85Element, Anti-Corrosion1
02***82Head, Corrosion Filter1
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U4-1-1 Pump, Water
02***14Seal, O Ring1
02***15Pump, Water1
82***53Screw3
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U4-5-3 Cooler Assembly, Wide Core
U4-2-1 Connectors, Water Inlet/Outlet, And Thermostat
02***02Screw, M8 X 20mm2
02***07Bolt, M8x1.25x252
02***68Connector, Water Inlet1
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U4-6-1 Radiator, Hoses & Fittings
02***21Valve, Check1
02***22Coupling, Straight1
02***05Connector, Water2
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U5-5-1 Pipes, Oil Feed
02***37Washer, Seal2
02***34Bolt Banjo, M10 X 1.00 X 191
02***39Adapter, Elbow1
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U5-1-1 Sump, Oil, & Fittings
02***22Washer, Seal1
02***26Plug, Oil Drain1
02***27Washer, Seal1
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U5-2-1 Pump, Oil
U5-4-1 Filter, Oil & Cooler
02***16Plug, Pipe2
02***66Plug, Pipe, 3/4"Npt1
02***56Cover, Oil Cooler1
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U6-4-1 Fuel Pipes, Fuel Tank To Filter
02***96Bolt, Banjo1
02***44Washer, Seal2
02***45Valve, Non-Return1
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U6-3-1 Fuel Pipes, Injection Pump
02***27Washer, Seal1
02***61Bolt, Banjo1
02***63Adapter1
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U6-8-1 Pump, Fuel Lift
02***10Gasket1
02***18Screw2
17***00Pump, Fuel Lift1
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U6-7-1 Filter, Fuel
02***50Element, Fuel Filter, Water Seperator1
02***54Adapter, Filter Connector1
02***55Element, Fuel Filter, Cartridge1
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U6-5-1 Injectors, Fuel
U6-1-1 Pump, Fuel Injection
02***43Bolt1
02***63Seal, O Ring1
02***33O Ring1
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U6-6-1 Filter, Fuel Sediment
32***02Nut, Cap1
32***03Washer, Nylon Seal, M61
32***07Washer, Locking1
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U6-2-1 Injectors, Fuel, & Injection Pipes
02***91Seal7
02***44Washer, Seal2
02***45Valve, Non-Return1
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U7-5-2 Compressor 24volt, Air Conditioning, Sd7h15#8163 Green Label
12***99Compressor, 24v1
14***67Cover, Bearing Dust1
26***84Coil, Field1
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U7-2-1 Turbo, Pipework
02***47Adapter2
02***68Hose1
02***59Gasket1
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U7-1-1 Turbocharger
02***44Gasket, Turbo To Manifold1
02***99Gasket1
02***36Nut4
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U7-4-1 Compressor, & Installation, Air Conditioning
02***93Bracket, Compressor Mounting1
02***46Lever, Compressor Adjusting2
02***20Nut5
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U7-5-1 Compressor 24.Volt, Air Conditioning, Sd7h15#4652 White Label
12***99Compressor, 24v1
14***24Kit-Sundry Parts1
14***67Cover, Bearing Dust1
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U7-6-1 Heater, Engine Block
13***0DSetscrew2
13***3DNut, M6 Lock2
14***6DWasher, M6 Plain2
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U8-1-1 Gasket Set, Top Overhaul
U8-2-1 Gasket Sets, Bottom Overhaul

446 serial number reference

Locate the machine identification plate mounted on the frame or chassis as shown in the service manual illustrations. The PIN indicates the machine model and build specification. The serial number of the machine and major units is stamped on this plate. If a major unit is replaced, the serial number on the identification plate may be incorrect; stamp the new number on the plate to prevent quoting the wrong unit number when ordering replacement parts. Confirm applicability with a JCB dealer if the plate is unreadable or missing.

PrefixIdentifies
540000 to 540011JCB 446 Wheeled Loading Shovel applicability per manual the OEM part reference-17
540013 onwardsJCB 446 Wheeled Loading Shovel applicability per manual the OEM part reference-08

Frequently asked questions

What engine does the JCB 446 use?

The JCB 446 uses a Cummins 6CT8.3C engine, which is a 6-cylinder, turbocharged diesel with 8300.1 cc (506.5 cu in) displacement.

What is the operating weight of the JCB 446?

The operating weight is 20,633.9 kg (45,490 lbs), varying by configuration and attachment package.

What model replaced the JCB 446?

The JCB 456 Wheeled Loading Shovel succeeded the 446, with service manuals covering both models from specific serial number ranges.

What 446 owners discuss

What are the typical powertrain and hydraulic behaviors for the JCB 446ZX wheel loader?
The JCB 446ZX utilizes a smooth shift powershift transmission paired with a twin variable displacement piston pump hydraulic system. Operators report that hydraulic performance can degrade significantly when the rear of the machine is lower than the front (e.g., rear in a hole), as the suction strainer may draw air or lose prime. Steering responsiveness may also lag if hydraulic oil levels are low or if the orbital steering valve leaks, a known fault on older JCB models.
What undercarriage or wear patterns are typical for this machine type?
As a wheel loader, the JCB 446ZX relies on tire wear and axle hub integrity rather than track undercarriage. However, similar JCB articulated machines (such as skid steers and backhoes) exhibit high wear on hydraulic hoses due to crimping failures or pressure spikes. For wheel loaders, axle housing seals and hub bearings are critical wear points requiring regular inspection to prevent fluid loss and component failure.
What are the engine quirks per series for the JCB 446ZX?
The JCB 446ZX (manufactured 2001–2005) typically uses a JCB Dieselmax engine. Early Dieselmax engines (Tier 2/early Tier 3) are prone to big end bearing failures on the crankshaft if oil change intervals are stretched. Later iterations (Tier 4i/T4 Final) use common rail systems sensitive to fuel quality, with injector faults causing rough running or white smoke. Power loss is often linked to restricted air filters or turbocharger boost leaks.
What are common electrical or sensor issues?
Electrical issues often manifest as starting difficulties due to weak batteries (below 12.4V for 12V systems) or corroded earth straps. On older models, forward/reverse movement problems can stem from faulty microswitches on the shuttle lever that fail to activate hydraulic solenoids. Sensor faults in common rail engines may prevent the ECU from allowing the engine to run, requiring diagnostic code reading.
What should be checked when buying a used JCB 446ZX?
Verify the hydraulic oil level and suction strainer condition, as low levels cause steering and hydraulic lag. Check for internal collapse of the hydraulic suction hose, which can restrict oil flow without external signs. Inspect the engine for big end bearing knock (early Dieselmax) or injector leaks (common rail). Confirm the condition of the orbital steering valve for leaks. Ensure the battery and starter motor provide adequate cranking speed.
What safety-critical fix involves the hydraulic system?
If hydraulic performance is sluggish or steering fails when the machine is tilted, check the hydraulic oil level and suction strainer immediately. Running the hydraulic pump with a collapsed suction hose or low oil can cause catastrophic pump failure. Have your dealer verify the integrity of the suction hose and the condition of the hydraulic pump before further operation.
What fluid specifications are recommended for the JCB 446ZX?
Use JCB-branded service fluids verified for the specific machine. JCB recommends genuine hydraulic oil for the hydraulic system, engine oil for the Dieselmax engine, and specific transmission fluid for the powershift gearbox. Coolant must be changed at recommended intervals to prevent silicate separation, which causes brown sludge in the expansion bottle. Equivalent fluids meeting JCB verification standards are acceptable.

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 446. Related factory variants of the same model family:

446

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