Komatsu PC800-8 Excavator Spare Parts Catalog – S/N 50001-Up PDF
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Complete Komatsu PC800-8 spare parts catalogue covering S/N 50001-UP with exploded diagrams, part numbers, and full component listings for engine, hydraulics, cooling, electrical, undercarriage, and work equipment systems.
Description
Komatsu PC800-8 Spare Parts Catalog – S/N 50001-UP
This is the complete Komatsu PC800-8 spare parts catalogue for machines from serial number 50001-UP, covering the ecot3 generation. Whether you are ordering replacement components, verifying part numbers before a rebuild, or identifying a bracket or clip that has been discontinued elsewhere, this catalogue provides the exploded-view diagrams and itemised tables you need to keep the machine running. It spans the full assembly—from the engine and power take-off through to the track frame, work equipment, and operator’s cab.
File Details
- Manual type: Spare Parts Catalogue
- Brand: Komatsu
- Model: PC800-8 (also covers PC800LC-8 variants)
- Serial number range: 50001-UP
- Language: English (diagram labels include Japanese annotations)
- File format: PDF
- Page count: Approximately 1,100 pages
Chapters Covered
The catalogue is organised into the following major assemblies and systems:
- Power Take Off — Lubrication piping, oil check gauge, coupling assembly, PTO case
- Engine Mounting — Air cleaner sensor, oil filter piping, oil filter head, bracket
- Exhaust Pipe
- Cooling — Aftercooler hose, fan mounting, fan motor piping, oil cooler for fuel, oil cooler piping, radiator and oil cooler mounting, shroud, sub-tank, condenser for air conditioner, sensor and cover, piping
- Fuel Piping — Bracket and clip, filter and hose
- Fuel Tank — Standard, quick charge, sandy and dusty terrain specifications
- Electrical — Travel alarm, step lamp and flash lamp, beacon, wiring harness (pressure sensor, horn, circuit breaker, working lamp, battery case, main harness, starting harness), battery (C200, NS200)
- Boom Foot Bracket
- Delivery Piping — Hose, main valve, PPC delivery piping
- Drain Piping
- Fan Motor Piping
- Hydraulic Tank — Line, partition, return filter, drain port, sandy and dusty terrain specification
- Main Pump — Joint parts, pump assemblies and inner components
- Main Valve — 4-spool valve, 5-spool valve, lift check valve and inline filter, heavy lift and pressure support, valve stand, return piping
- Oil Cooler Piping
- Pilot Piping — With drift prevention, revolving frame side, bracket, stand
- PPC Piping — Arm piping, boom and bucket piping, heavy lift piping, loading shovel piping, piping joints, pump piping, straight travel piping, swing piping
- Quick Return Piping — Bracket, hose
- Service Valve — Also service port plug
- Shuttle Valve Piping
- Solenoid Valve — Swing priority valve and hose, valve, piping
- Suction Piping — Hydraulic tank
- Valve Delivery Piping — Arm, boom, bucket, straight travel, swing, travel
- Swing Circle
- Swing Machinery — 1st carrier, 2nd carrier and pinion, gauge support
- Swing Motor — Front, rear
- Swivel Joint — Connecting parts
- Operator’s Cab — Floor frame, floor mounting, console, lever and valve, harness, electrical, wiper, door, roof window, front window, cab accessories, seat, seat belt, seat rear cover
- Air Conditioner — Receiver tank, clamp, heater hose, compressor, unit assembly
- Guards and Covers — Top guard, front guard, rain visor, sun visor, floor mat, luggage box net
- Travel Piping — Center frame side, motor side
- Center Frame — Standard and under cover versions
- Track Frame — Carrier roller, final drive (1st/2nd/3rd carrier, shaft and hub, sprocket), front idler, full roller guard, idler cushion, track roller, travel piping, under cover, roller guard
- Track Shoe — Double grouser with hole, various widths, grease sealed type
- Travel Motor Cover and Guard
- Engine — SAA6D140E-5F-03 — Cylinder head, cylinder block, piston and connecting rod, crankshaft, camshaft, rocker arm, fuel injector, fuel supply pump, common rail, fuel filter, water pump, thermostat, oil cooler, oil filter, lubricating oil pump, turbocharger, alternator, starting motor, EGR valve and piping, exhaust manifold, air intake manifold, air cleaner, wiring harness
- Work Equipment — Boom (8.2M), arm (3.6M, 4.6M, 5.6M), bucket cylinder, arm cylinder, boom cylinder, bucket link, bucket (multiple capacities), side cutter, side shroud, hook, working lamp
- Attachments — Bottom dump bucket, bottom dump cylinder piping, PPC loading shovel piping, quick return piping
This spare parts catalogue is the definitive reference for anyone maintaining or rebuilding a PC800-8. Each section pairs an exploded illustration with a detailed table listing every item number, Komatsu part number, description, and quantity. The serial number ranges printed against individual part numbers tell you exactly which variant applies to your machine, which matters when Komatsu introduced running changes across the 50001-UP range. The engine section alone covers the SAA6D140E-5F-03 in enough detail to identify internal components such as pistons, bearings, cylinder heads, and fuel system parts. Whether you are chasing a hydraulic hose, a wiring harness clip, a final drive gear, or a bucket tooth, the catalogue is structured to get you to the correct part number quickly.
Why This Catalogue Matters
Ordering the wrong part for a 80-tonne excavator is expensive and disruptive. This catalogue eliminates guesswork by showing every component in its assembled context, so you can see how parts relate to one another before placing an order. The exploded diagrams also make it easier to plan a repair sequence—knowing which brackets, clips, O-rings, and seals sit behind a pump or valve can save hours of reassembly time. For workshops supporting a mixed fleet, having the PC800-8 parts breakdown on hand means fewer calls to the dealer and faster turnaround on customer machines.
The coverage extends beyond the machine itself into the engine, hydraulic, electrical, and undercarriage systems, making it a single reference for the entire machine. Sections for drift prevention valves, service valves, quick return piping, and attachment piping mean you can also support machines configured with optional equipment. The inclusion of both PC800-8 and PC800LC-8 variants in the floor frame and cab sections helps identify differences between the standard and long undercarriage versions.
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Instant PDF Delivery
This Komatsu PC800-8 spare parts catalogue is delivered as an instant PDF download—no shipping, no waiting for a disc, no customs delays. Once payment is confirmed, you can open the file on any device: laptop, tablet, or smartphone. The pages are printable, so you can keep a paper copy in the workshop and a digital copy on the bench. Whether you are a dealer, an independent repair shop, or an owner-operator, having the complete parts breakdown at your fingertips makes every order and every repair more accurate. Add it to your library today and stop guessing which part number fits your serial number.
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