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Kubota U50-5 Excavator Mini Excavator Parts Manual

Format: PDF (Printable Document)

File Language: English

File Pages: 280

File Size: 11.59 MB (Speed Download Link)

Brand: Kubota

Model: U50-5 Excavator

Equipment Type: Mini Excavator

Series: Mini Excavators (U Series)

Type of Document: Parts Manual

Category:

$ 45

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Kubota U50-5 Excavator Mini Excavator Parts Manual

The Kubota U50-5 Excavator is a rubber-track mini excavator that farmers, small contractors, and independent shops use for trenching, footings, and general farm work. The Kubota U50-5 Excavator parts manual is what I’d grab when I’m trying to see how something is built or I need the right Kubota number before I call the dealer. Folks usually use this kind of book to price out a repair, line up seals and pins before teardown, or double-check they’re ordering the exact part that fits their machine.

What this manual helps you do

  • Identify the correct OEM Kubota part numbers for things like boom, arm, and bucket pins, bushings, and cylinder seal kits on the U50-5.
  • Locate every component in the hydraulic system, swing motor, travel motors, and undercarriage using exploded diagrams so you know what’s actually inside the assembly.
  • Look up small but critical items—O-rings, shims, seals, bolts, clips—so you’re not stuck waiting on a forgotten two-dollar part.
  • Cross-reference older Kubota numbers to the newer superseded part numbers shown in the parts manual before you order.
  • Verify that a used or aftermarket component will match what originally came on your Kubota U50-5 Excavator by comparing the illustrated breakdown and part descriptions.

Who this is for

This parts manual is aimed at an independent ag mechanic, farm owner-operator, small excavation or landscape contractor, or anyone who orders their own parts and wants to avoid dealer guesswork. If you need torque specs, hydraulic pressures, or step-by-step repair procedures, you want the Kubota Workshop/Service Manual instead, not this parts catalog.

FAQ

Q: Does this cover the engine, hydraulics, and electrical system, or just the boom and undercarriage?

A: It covers all major assembly groups on the U50-5—engine, hydraulics, swing and travel, undercarriage, work equipment, cab, and electrical—through exploded views and parts lists.

Q: Are the part numbers in this manual up to date?

A: The manual shows the Kubota OEM numbers used at publication and usually notes superseded numbers, but your dealer’s system is the final word on the latest replacements.

Bottom line: If you’re trying to identify and order the right Kubota parts for a U50-5 Excavator, this is the right manual; if you’re looking for how to actually perform the repairs, keep looking for the service manual instead.

📘 Show Index

Table of Contents:

  • COVER 1
  • COVER 2
  • INSTRUCTIONS
    • ENGLISH
    • ENGLISH
    • FRENCH
    • FRENCH
    • GERMAN
    • GERMAN
  • SERIAL NUMBER
  • NUMERO DE SERIE
  • SERIENNUMMER
  • SECTION CONTENTS
  • CONTENUS DE LA SECTION
  • ABSCHNITTSINHALT
  • How to read contents with illustrations
  • Comment lire les contenus avec les illustrations
  • Lesens des Inhalts der Abbildungen
  • ENGINE
  • FUEL SYSTEM
  • ELECTRICAL SYSTEM
  • PUMP/MOTOR SYSTEM
  • CONTROL VALVE
  • CONTROL LEVER
  • OIL PIPING
  • CYLINDER
  • FRONT ATTACHMENTS
  • TRACK FRAME
  • SWIVEL FRAME
  • EXTERNAL/UPHOLSTERY
  • OPERATOR'S PLATFORM
  • LABELS
  • ACCESSORIES
  • 500000 CRANKCASE
  • 501000 OIL PAN
  • 501100 OIL FILTER
  • 501200 DIPSTICK AND GUIDE
  • 502000 CYLINDER HEAD
  • 503000 INLET VALVE AND EXHAUST VALVE
  • 504000 ROCKER ARM SHAFT
  • 505000 HEAD COVER
  • 508000 GEAR CASE
  • 511000 PISTON AND CRANKSHAFT
  • 511000 PISTON AND CRANKSHAFT
  • 511500 MAIN BEARING CASE
  • 512000 CAMSHAFT AND IDLE GEAR SHAFT
  • 515000 FLYWHEEL
  • 521000 INJECTION PUMP
  • 522000 FUEL CAMSHAFT
  • 526500 SUPPLY PUMP
  • 540000 INJECTOR AND GLOW PLUG
  • 545000 INJECTION PIPE
  • 548000 COMMON RAIL
  • 550000 ALTERNATOR
  • 551000 ALTERNATOR (COMPONENT PARTS)
  • 554000 STARTER
  • 555000 STARTER (COMPONENT PARTS)
  • 556000 OIL SWITCH/THERMOMETER
  • 560000 WATER FLANGE AND THERMOSTAT
  • 561000 WATER PUMP
  • 561200 WATER PIPE
  • 561500 WATER PIPE (BODY)
  • 565000 RADIATOR
  • 565500 RESERVE TANK
  • 567000 COOLER FAN
  • 571000 INLET MANIFOLD
  • 572000 EXHAUST MANIFOLD
  • 572300 EGR VALVE
  • 572400 EGR COOLER
  • 572600 TURBO CHARGER
  • 573000 AIR CLEANER
  • 574000 DIESEL PARTICULATE FILTER MUFFLER
  • 574200 DIESEL PARTICULATE FILTER MUFFLER BRACKET
  • 574500 DIESEL PARTICULATE FILTER MUFFLER SENSOR
  • 574600 DIESEL PARTICULATE FILTER DIFFERENTIAL PRESSURE PIPE
  • 574800 DIESEL PARTICULATE FILTER MUFFLER PIPE
  • 574900 DIESEL PARTICULATE FILTER MUFFLER COVER
  • 579000 OIL SEPARATOR
  • 579500 OIL SEPARATOR PIPE
  • 580000 OIL PIPE (TURBO CHARGER)
  • 582000 OIL COOLER
  • 585000 WIRE HARNESS BRACKET
  • 586000 ENGINE BRACKET
  • A30001 FUEL PUMP AND PIPING (1)
  • A30001 FUEL PUMP AND PIPING (1)
  • A30002 FUEL PUMP AND PIPING (2)
  • A30002 FUEL PUMP AND PIPING (2)
  • A30003 FUEL PUMP AND PIPING (3)
  • A30003 FUEL PUMP AND PIPING (3)
  • A30100 FUEL FILTER (COMPONENT PARTS)
  • A30200 SEPARATOR (COMPONENT PARTS)
  • A30300 FUEL TANK
  • A30300 FUEL TANK
  • B40000 BATTERY
  • B40200 HORN
  • B40400 SWITCH AND METER
  • B40600 LAMP
  • B40801 WIRE HARNESS
  • B40802 WIRE HARNESS
  • B40802 WIRE HARNESS
  • B41000 ANTI-THEFT ALARM SYSTEM
  • C00000 HOUSING PUMP
  • C20000 PISTON PUMP
  • C20100 PISTON PUMP (COMPONENT PARTS)
  • C20100 PISTON PUMP (COMPONENT PARTS)
  • C30000 DRIVE MOTER
  • C30101 DRIVE MOTOR (COMPONENT PARTS)
  • C30101 DRIVE MOTOR (COMPONENT PARTS)
  • C30102 DRIVE MOTOR (COMPONENT PARTS)
  • C30102 DRIVE MOTOR (COMPONENT PARTS)
  • C40000 SWIVEL MOTOR
  • C40101 SWIVEL MOTOR (COMPONENT PARTS)
  • C40101 SWIVEL MOTOR (COMPONENT PARTS)
  • C40102 SWIVEL MOTOR (COMPONENT PARTS)
  • C40102 SWIVEL MOTOR (COMPONENT PARTS)
  • C50000 ROTARY JOINT
  • C50000 ROTARY JOINT
  • C50100 ROTARY JOINT (COMPONENT PARTS)
  • C50200 OIL TANK (1)
  • C50200 OIL TANK (1)
  • C50300 OIL TANK (2)
  • C50400 OIL FILTER
  • C60001 CONTROL VALVE (1)
  • C60001 CONTROL VALVE (1)
  • C60002 CONTROL VALVE (2)
  • C60002 CONTROL VALVE (2)
  • C60003 CONTROL VALVE (3)
  • C60003 CONTROL VALVE (3)
  • C60100 CONTROL VALVE (COMPONENT PARTS)
  • C60100 CONTROL VALVE (COMPONENT PARTS)
  • C60201 SECTION (OUTLET)
  • C60202 SECTION (AX1)
  • C60203 SECTION (SWIVEL)
  • C60204 SECTION (BUCKET)
  • C60205 SECTION (ARM)
  • C60206 SECTION (BOOM)
  • C60207 SECTION (TRAVEL RH)
  • C60208 SECTION (TRAVEL LH)
  • C60209 SECTION (SWING)
  • C60210 SECTION (BLADE)
  • C60211 SECTION (AX2)
  • C70600 UNLOAD VALVE
  • C70700 UNLOAD VALVE (COMPONENT PARTS)
  • C81001 S/P SOLENOID VALVE
  • C81002 S/P SOLENOID VALVE
  • D10000 CONTROL LEVER (LEVER LH)
  • D10101 PILOT VALVE (LH) (COMPONENT PARTS)
  • D10102 PILOT VALVE (LH) (COMPONENT PARTS)
  • D20000 CONTROL LEVER (LEVER RH)
  • D20100 PILOT VALVE (RH) (COMPONENT PARTS)
  • D30000 CONTROL LEVER (TRAVEL)
  • D31000 PILOT VALVE (TRAVEL)
  • D31100 PILOT VALVE (TRAVEL) (COMPONENT PARTS)
  • D51000 SWING PEDAL
  • D52000 PILOT VALVE (SWING)
  • D52100 PILOT VALVE (SWING) (COMPONENT PARTS)
  • D60000 CONTROL LEVER (SAFETY LOCK LEVER)
  • D80000 CONTROL LEVER (BLADE)
  • D81000 PILOT VALVE (BLADE)
  • D81100 PILOT VALVE (BLADE) (COMPONENT PARTS)
  • E00000 OIL PIPING (SUCTION)
  • E00200 OIL PIPING (DELIVERY)
  • E00400 OIL PIPING (RETURN)
  • E00600 OIL PIPING (OIL COOLER)
  • E10000 OIL PIPING (CONTROL LH)
  • E10200 OIL PIPING (CONTROL RH)
  • E10600 OIL PIPING (PILOT P)
  • E10800 OIL PIPING (PILOT T)
  • E20000 OIL PIPING (TRAVEL LH)
  • E20200 OIL PIPING (TRAVEL RH)
  • E20400 OIL PIPING (SWIVEL)
  • E30000 OIL PIPING (SWING)
  • E30400 OIL PIPING (BOOM)
  • E30400 OIL PIPING (BOOM)
  • E30500 HOLDING VALVE (BOOM) (COMPONENT PARTS)
  • E40000 OIL PIPING (ARM)
  • E40000 OIL PIPING (ARM)
  • E40200 HOLDING VALVE (ARM) (COMPONENT PARTS)
  • E50000 OIL PIPING (BUCKET)
  • E60000 OIL PIPING (BLADE)
  • E70000 OIL PIPING (CLAMP)
  • E80001 OIL PIPING (S/P 1)
  • E80002 OIL PIPING (S/P 1)
  • E80200 OIL PIPING (S/P 2)
  • E80200 OIL PIPING (S/P 2)
  • E82000 OIL PIPING (THIRD LINE HYDRAULIC RETURN)
  • F00000 BOOM CYLINDER
  • F10000 ARM CYLINDER
  • F10000 ARM CYLINDER
  • F20000 BUCKET CYLINDER
  • F30000 BLADE CYLINDER
  • F30000 BLADE CYLINDER
  • F40000 SWING CYLINDER
  • G00000 SWING BRACKET
  • G10000 BOOM
  • G10000 BOOM
  • G10400 CYLINDER COVER (BOOM)
  • G20000 ARM
  • G30000 BUCKET LINK
  • G50000 BLADE
  • H00000 TRACK FRAME
  • H10000 IDLER
  • H10000 IDLER
  • H20000 TRACK ROLLER
  • H30000 CRAWLER
  • J00001 SWIVEL FRAME
  • J00001 SWIVEL FRAME
  • J00002 SWIVEL FRAME
  • J00002 SWIVEL FRAME
  • J00101 ARCH FRAME (1)
  • J00102 ARCH FRAME (1)
  • J00102 ARCH FRAME (1)
  • J00200 ARCH FRAME (2)
  • J10000 SWIVEL BEARING
  • J20000 SEAT SUPPORT
  • J30000 STEP
  • K00000 COVER (LH)
  • K00100 COVER (RH)
  • K10201 BONNET (RH 1)
  • K10201 BONNET (RH 1)
  • K10202 BONNET (RH 2)
  • K10202 BONNET (RH 2)
  • K10301 BONNET (REAR 1)
  • K10302 BONNET (REAR 2)
  • K10302 BONNET (REAR 2)
  • K10400 BONNET (CENTER)
  • K20000 SPONGE 1
  • K20100 SPONGE 2
  • K20200 SPONGE 3
  • K30000 WEIGHT
  • K40000 SEAT
  • L10000 CABIN (BODY)
  • L20000 CABIN (DOOR)
  • L30000 CABIN (WINDOW 1)
  • L30000 CABIN (WINDOW 1)
  • L30100 CABIN (WINDOW 2)
  • L30100 CABIN (WINDOW 2)
  • L40000 CABIN (COVER AND TRIM)
  • L40100 CABIN (LINING)
  • L40200 CABIN (SEAL RUBBER)
  • L42000 CABIN (REARVIEW MIRROR)
  • L50000 CABIN (WIPER MOTOR)
  • L50201 CABIN (WIRE HARNESS 1)
  • L50202 CABIN (WIRE HARNESS 2)
  • L60001 CABIN (HEATER)
  • L60002 CABIN (HEATER) (COMPONENT PARTS)
  • L60003 CABIN (HEATER) (COMPONENT PARTS)
  • L60201 CABIN (AIR CONDITIONER 1)
  • L60201 CABIN (AIR CONDITIONER 1)
  • L60202 CABIN (AIR CONDITIONER 1)
  • L60202 CABIN (AIR CONDITIONER 1)
  • L60300 CABIN (AIR CONDITIONER 2)
  • L60400 CABIN (AIR CONDITIONER 3)
  • L60400 CABIN (AIR CONDITIONER 3)
  • M00000 LABEL
  • M00000 LABEL
  • M00000 LABEL
  • N00000 ACCESSORIES
  • NUMERICAL INDEX
  • NUMERICAL INDEX
  • NUMERICAL INDEX
  • NUMERICAL INDEX
  • NUMERICAL INDEX
  • NUMERICAL INDEX
  • NUMERICAL INDEX
  • NUMERICAL INDEX
  • NUMERICAL INDEX
  • NUMERICAL INDEX
  • NUMERICAL INDEX
  • NUMERICAL INDEX
  • NUMERICAL INDEX
  • NUMERICAL INDEX
  • NUMERICAL INDEX
  • NUMERICAL INDEX
  • NUMERICAL INDEX
  • COVER 3
  • COVER 4

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