Komatsu WA450-3 Wheel Loader Parts Catalog PDF – Serial 53001 and Up – Malaysia Edition

Description

Komatsu WA450-3 Wheel Loader Parts Catalog – Serial 53001 and Up – Malaysia Market

This is the complete illustrated parts catalog for the Komatsu WA450-3 wheel loader, covering machines with serial number 53001 and up built for the Malaysia market and powered by the S6D125-1AM-FW engine (serial 10001 and up). Every major assembly on the machine is documented with exploded-view illustrations and matching part number tables, so you can identify and order the correct component by system, assembly, and serial number range.

File Details

• Manual Type: Parts Catalog
• Brand: Komatsu
• Model: WA450-3 Wheel Loader
• Serial Number: 53001 and Up
• Market: Malaysia
• Engine: S6D125-1AM-FW, S/N 10001-Up
• Language: English
• File Format: PDF
• Page Count: 459 pages

Chapters Covered

• Engine Related Parts – cylinder head, head cover, air intake, air cleaner assemblies, exhaust manifold, turbocharger and oil piping, mufflers, water manifold, thermostat housing, water temperature sensor, cylinder block, front cover, idler gear, cam follower cover, oil pan and suction tube, oil level gauge, flywheel housing, flywheel, engine mounting, crankshaft, damper, piston, crank pulley, rocker arm, camshaft, oil pump, oil filter, oil cooler, water drain valve, block heater, fuel injection pump (pump, governor, coupling, feed pump), fuel injection pump piping, fuel injection pump drive, fuel filter, water separator, injection nozzle, nozzle holder, fuel return, stop motor, water pump, cooling fan, fan pulley, fan drive, corrosion resistor, alternator, starting motor, injection pump drive safety guard, air compressor mounting, gasket kits, name plates and caution plates, exhaust pipe
• Cooling System – radiator and radiator parts, radiator mounting, radiator piping, brake oil cooler line, steering oil cooler line, transmission oil cooler line, cooling line (steering and radiator hose piping), cooling line (transmission piping mounting), radiator fan guard seal
• Fuel Tank and Related Parts – fuel tank (fuel piping), fuel tank (cover and breather hose piping), fuel tank (water separator piping)
• Electrical System – battery, battery box, battery box (electrical battery line), battery box (rear combination lamp), wiring harness (front frame line), wiring harness (rear frame line), wiring harness (slow blow fuse and battery line), wiring harness (brake oil temperature sensor harness), electrical instrument (starter switch), light and mounting, horn
• Power Train – drive shaft (center, front, rear), torque converter and transmission (mounting bracket, wiring harness, mounting parts, parking brake piping, oil cooler hose piping, oil filler tube cap), transmission (transmission case, forward and 1st clutch, reverse and 2nd clutch, 3rd and 4th clutch, input/4th and output shaft, parking brake, P.T.O., control valve mounting), transmission flow control valve, transmission accumulator valve, transmission control valve (upper and lower valve, pilot filter), transmission modulation valve, transmission piping, transmission oil filter, transmission accessory, torque converter, transmission attachment bracket, front axle (front wheel brake, front final drive, front differential, front axle housing, axle mounting parts, wheel mounting parts), rear axle (rear wheel brake, rear final drive, rear differential, rear axle housing, wheel mounting parts), torque converter and transmission mounting
• Hydraulic System – hydraulic tank (with vandalism protection), hydraulic tank (steering and suction and drain line), hydraulic tank (P.P.C valve and brake valve drain line), loader control valve, steering valve (steering demand valve mounting, piping, steering valve piping, inner parts), hydraulic pump (mounting, suction line piping, pump line mounting, steering pump and switch pump line, brake oil line and delivery line, brake cooling oil line), hydraulic piping (steering pump line hose, steering oil cooler line, drain line hose, switch pump to cut-off valve line, delivery line hose, control and cut-off valve drain line, P.P.C. valve line and drain line mounting, P.P.C. valve line and drain line piping, P.P.C. valve line and pilot line mounting, dump cylinder line, lift cylinder line, P.P.C. valve line for front attachment, front attachment line, E.C.S.S. less), steering hydraulic line (steering cylinder line mounting, steering valve line mounting, switch pump to cut-off valve line, stop valve piping, piping mounting parts, stop valve inner parts)
• Main/Revolving Frame and Related Parts – front frame, rear frame, rear frame (shaft guard and transmission mounting), hinge pin, steering cylinder (hydraulic steering cylinder line, mounting pin), lock and cover (lock bar and front frame cover, rear frame side cover), lock and cover (rear frame under guard), rear axle support, remote grease (rear axle support, steering cylinder, work equipment, fitting and plug)
• Operator’s Compartment and Control System – operator’s seat, head guard, air conditioner-less or heater-less, L.H. console and rear console (rear console box, L.H. console box), floor support, floor (floor frame, R.H. console box, P.P.C. valve line, air conditioner-less kit), floor harness (sub monitor and mounting parts, relay and fuse, sub monitor harness), maintenance monitor (inner parts), marks and plates (cab inside), gauge and sensor (main monitor), main monitor (inner parts), accelerator pedal and linkage, accelerator pedal, steering wheel and column (wheel and column, support and mounting parts, cover and bracket), transmission control switch, brake control (accumulator to brake valve piping, single brake valve, tandem brake valve, brake valve to hydraulic tank piping, brake valve to slack adjuster, brake cooling oil line, brake cooling oil filter), brake piping (front brake line, rear brake line, front axle brake line, rear axle brake line, slack adjuster), loader control (work equipment control lever, front attachment control lever, work equipment lock lever, work equipment control linkage, front attachment control linkage), bucket positioner, compartment (with ROPS canopy)
• Guard – hood (engine hood), hood (upper and side cover seal), hood (door), hood (mounting parts), hood (rear guard harness), hood (back-up buzzer), hood (pre-cleaner, inner parts), bulkhead (bulkhead harness, P.P.C. pump to accumulator charge valve piping, accumulator charge valve to accumulator piping, accumulator charge valve, accumulator charge valve to P.P.C. valve piping, accumulator charge valve drain line, accumulator to single brake valve, emergency parking brake release line, radiator reserve tank, brake cooling oil tank and piping, parking brake release valve inner parts), radiator guard (rear work lamp and harness), cover (for floor frame), rear fender and ladder, ladder rail, rear view mirror, counter weight (additional counter weight for log grapple)
• Suspension and Wheel Related Parts – rim (26.5-25 tubeless tire), tire (26.5-25-24PR-L3 tubeless tire)
• Work Equipment – lift arm and bellcrank (mounting parts, boom kick out, front attachment line), lift cylinder (hydraulic piping, mounting parts), dump cylinder (piping and mounting), log grapple (arm and cylinder, piping)
• Marks and Plates – marks and plates, transfer parts
• Accessory and Tool – spare parts, tool
• Service Kit and Component Parts – kit (transmission), hydraulic pump (transmission, steering and switch, work equipment/P.P.C. and brake cooling oil), lift cylinder, dump cylinder, log grapple cylinder, steering cylinder, brake control (accumulator inner parts), 3-spool control valve, PPC valve, cut-off valve

This parts catalog is arranged to mirror the machine itself. Each major system has its own section, and within each section the parts are grouped by assembly. Exploded-view illustrations accompany the parts lists, with each component called out by a reference number that ties directly to the part number table. Where a part changed during the production run, the catalog shows the serial number break, so you order the version that matches your machine.

What makes this catalog genuinely useful is the level of detail in the serial number filtering. Komatsu built the WA450-3 across a range of serial numbers with running changes to components. The catalog captures those breaks for every affected part. You will see entries like “WATER SEPARATOR MOUNTING (2 FILTER TYPE)(#54547-)” alongside alternate versions, each keyed to the machine serial number where the change took effect. That means the part number you pull from this catalog will be the one that actually fits your machine, not a generic listing that might be wrong depending on when your loader was built.

Why This Parts Catalog Matters for WA450-3 Owners and Technicians

Ordering the wrong part is expensive in both money and downtime. A wheel loader sitting idle because a seal or gasket does not match costs far more than the part itself. This catalog removes that risk by giving you the exact part number, the quantity required, and the serial number range the part applies to. It covers the complete machine, from the engine and transmission through the axles, hydraulics, electrical system, operator’s compartment, and work equipment.

For anyone maintaining or repairing a WA450-3, this catalog is the reference that ties everything together. You can look up a part by system, find it in the exploded view, confirm the part number, and order with confidence. The catalog covers the S6D125-1AM-FW engine in full detail, including the fuel injection pump inner parts, governor components, and the injection nozzle holder assembly. It also documents the transmission’s clutch packs, control valves, and torque converter components down to individual springs, shims, and O-rings.

The hydraulic system section is similarly thorough, covering the hydraulic tank, loader control valve, steering demand valve, and all the piping, hoses, and fittings that connect them. The power train section breaks down the drive shafts, front and rear axles, differentials, final drives, and wheel brakes. The electrical system covers the battery, wiring harnesses, lamps, horn, and starter switch. Every system on the machine is represented.

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Instant PDF Delivery

This Komatsu WA450-3 parts catalog is delivered as a PDF file that you can download immediately after payment. There is no shipping, no waiting for a physical book to arrive, and no restriction on how many times you access it. Open it on a workshop computer, a laptop, a tablet, or a phone. Print the pages you need for the job at hand, or keep the entire catalog on a device in the service truck. The PDF format means you can zoom into the exploded views, search for part numbers, and navigate the sections without flipping through hundreds of paper pages.

Whether you are a Komatsu dealer, an independent heavy equipment mechanic, a fleet maintenance manager, or an owner-operator who does their own repairs, this parts catalog gives you the information needed to identify and order the correct components for the WA450-3 wheel loader, serial number 53001 and up, Malaysia market, with the S6D125-1AM-FW engine.