Komatsu PC400SE-8R & PC400LCSE-8R Hydraulic Excavator Parts Book – LEPBP40800

Description

Komatsu PC400SE-8R & PC400LCSE-8R Parts Book – LEPBP40800

This is the complete Komatsu parts catalog for the PC400SE-8R and PC400LCSE-8R hydraulic excavators, covering serial numbers J30001 and up. Every section is laid out with exploded component illustrations and indexed part numbers, making it the reference you need when identifying, ordering or cross-checking any replacement part on these machines.

Whether you are rebuilding an SAA6D125E-5 engine, replacing a hydraulic hose, ordering a track shoe, or tracking down a single bolt in the operator’s cab, the exploded diagrams and itemised lists in this Komatsu PC400SE-8R PC400LCSE-8R parts book let you pinpoint the exact part number without guesswork.

File Details

• Manual Type: Parts Book / Illustrated Parts Catalog
• Brand: Komatsu
• Models Covered: PC400SE-8R, PC400LCSE-8R
• Serial Number Range: J30001 and up
• Engine Reference: SAA6D125E-5
• Document Number: LEPBP40800
• Language: English
• File Format: PDF
• Approximate Pages: 549

Chapters Covered

The catalog is organised into the following major groups, each with exploded views and part listings:

• Engine Related Parts – damper and pump, engine mounting, air cleaner connection, corrosion resistor
• Cooling System – radiator and frame, oil cooler and shroud, after cooler and condenser, after cooler piping, covers, radiator piping and sub tank, fan guard
• Fuel Tank and Related Parts – fuel tank (for fuel refill pump), fuel lines (1/3, 2/3, 3/3)
• Electrical System – battery (wet, large capacity), battery standard, starting harness, main harness (1/3, 2/3, 3/3), working lamp, additional work lamp, horn, travel alarm, rear view monitoring system
• Engine Mechanical Components – cylinder block, cylinder block accessory (oil pressure switch and blind cover), front cover, rear cover, flywheel housing, crankshaft, damper, cam follower cover, oil pan and suction tube, oil pump, oil cooler, fuel supply pump and common rail, fuel supply pump drive, fuel filter and piping, fuel priming pump and piping, fuel controller, fan drive, fan pulley and drive belt
• Engine Electrical – alternator (50A and 60A variants), starting motor (7.5kW and 11kW), electrical wiring (engine harness, harness support)
• Hydraulic System – hydraulic tank, main valve (connection parts, valve bracket, service valve plug), main pump (connection parts), suction line, delivery line, oil cooler line, return line, drain line, boom line, arm and bucket line, drift preventive, attachment lines, LS line, solenoid valve, pressure switch, PPC main line
• Main / Revolving Frame and Related Parts – revolving frame, boom foot pin
• Operator’s Compartment and Control System – operator’s seat (suspension, rigid, PVC leather), seat belt, luggage box net, top guard, front guard, half guard, front full guard, floor mat, rain visor, sun visor, window washer, air conditioner (compressor, piping, unit), operator’s cab (cab and window, front window, front lower window, roof window, door, door lock, open lock and door catch, wiper and room lamp, speaker and window washer, roof cover and air intake, pressure valve and grip, plug bolt, KOMTRAX film antenna), cab in parts (monitor and cover, luggage plate, monitor duct, air duct, partition and filter, sub plate and relay, air conditioner controller, main harness clamp, rear cover, foot cover, floor frame, travel control, foot rests, floor base, floor harness, window washer hose, lever, valve, console, arm rest, air conditioner hose, heater hose, PPC piping for travel and pilot valves, P.T block and seal, rear camera cable), floor mounts, PPC work line clamp, switch (model selection connector)
• Guard – hood (1/4 through 4/4), frame (machine cab), left side door, right side door (1/3 through 3/3), partition (1/2, 2/2), cover (with precleaner), battery case, hand rail, rear view mirror (L.H single, R.H, and standard), counterweight (9220KG), counterweight mounting, under covers (revolving frame L.H, centre, R.H, heavy duty, for fuel refill pump)
• Swing Circle and Related Parts – swing circle, swing machinery (standard and optional), swing motor (connecting parts), swivel joint
• Travel and Lower Piping – travel piping (standard and for LC), final drive
• Under Carriage – front idler, idler cushion, carrier roller, track shoe (triple grouser with hole, 600mm and 800mm wide, various specs), track frame (frame, track roller, centre guard, full roller guard, grease bath and step), under cover (for track frame)
• Work Equipment – boom (7.0M boom, various greasing types, bucket cylinder line, arm cylinder line, blind parts, lubricating line, working lamp and spacer), boom cylinder (100 hours and 500 hours), boom cylinder top pin, arm cylinder (2.4M arm, 3.4M arm, with resistor, standard and heavy duty variants), arm (3.4M, 2.4M, various greasing types, bucket link, bucket cylinder hose and lubricating line, additional piping, valve and spacer), bucket (1.7M3 vertical pin type, 1.7M3 horizontal pin type, 1.9M3 heavy duty, 2.4M3 SE vertical pin, 2.8M3 SE horizontal pin, 3.0M3 heavy duty, 2.6M3 heavy duty), side cutter, side shroud, hook for bucket
• Marks and Plates – decal and plate (English, LC, KI spec), lubrication standard chart (500 hours and 100 hours greasing type), caution plates (cab windshield lock operation, arm, top guard, front guard), KOMATSU logo, service instruction (air cleaner), caution plate (accumulator), plate (swing or backing up warning)
• Accessory – spare parts, cap and overall kit, tool kit
• Miscellaneous – fuel self supply pump, blind parts (body, for burst valve), export tool, engine drain hose
• Service Kit and Component Parts – swing machinery assembly (supply parts), shoe bolt and nut service kit, track link (supply parts, 92 set), air cleaner (inner parts), precleaner (inner parts), fuel self charger pump (inner parts), rubber antenna, operator’s seat assembly, main pump (1/11 through 11/11), boom cylinder (100 hours and 500 hours lubricating), arm cylinder with resistor, bucket cylinder (500 hours and 100 hours), swivel joint, swing motor (1/3 through 3/3, standard and optional), travel motor (1/3 through 3/3), main valve (1/20 through 20/20, and 1/23 through 23/23 for 1 actuator), PPC valve (for travel, for work equipment, for attachment), accumulator (AL300-1 inner parts), filter (inner parts), breather (for hydraulic tank), valve (for accumulator), air conditioner unit

What This Parts Book Gives You

This Komatsu PC400SE-8R and PC400LCSE-8R parts catalog is built for one job: telling you exactly which component belongs on the machine in front of you. Every assembly is drawn as an exploded view with each item numbered, and the facing page lists the corresponding part number, description and quantity. That structure removes the two biggest headaches in parts ordering – guessing at the wrong number and waiting on a return.

The document also separates optional and attachment configurations from standard equipment, so you can see at a glance whether a part applies to your specific build, whether it is a supply part, a service kit item or an assembly-only component. Symbols and codes used throughout the part number and description columns are explained up front, including interchangeability, discontinued parts, kits and part groups.

Who This Manual Is For

Owners, fleet mechanics, independent workshops and parts counter staff working on PC400SE-8R or PC400LCSE-8R excavators will get the most from this catalog. It is equally useful when you are planning a rebuild, chasing a leak in the hydraulic plumbing, restoring a machine, or simply trying to confirm that the part on the shelf matches the part the factory fitted.

Why the Right Part Number Matters

Komatsu applies engineering changes across production runs, and the -8R series carries a wide range of configurations depending on territory, attachment setup and greasing specification. Ordering from a generic list or an aftermarket cross-reference can easily land you with a bushing that does not seat, a hose that routes the wrong way, or a seal that fails early. This parts book keeps you inside the correct serial range and the correct option group, which is the only reliable way to get the right part first time.

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Instant PDF Delivery

Purchase today and the complete Komatsu PC400SE-8R PC400LCSE-8R Hydraulic Excavator Parts Book LEPBP40800 is delivered instantly as a downloadable PDF. No shipping, no waiting on a disc, no warehouse stock. Open it on a workshop laptop, a tablet on the machine, or print the sections you need for the job at hand – the file is yours to keep and reference as often as you like.