Compact excavator down for a dealer-only diagnosis? This operator manual hands you the factory procedures instead. Safety coverage runs 12 pages, followed by the full Two Pattern Selection System (TPSS) walkthrough for both joystick patterns and complete instrument panel and LCD warning indicator guidance. The maintenance interval table tracks service from every-50-hour greasing through the 1,000-hour and annual milestones, and lifting capacity charts cover blade up and blade down, over-front and over-side. A Kubota I.C.S. troubleshooting message list lets you decode dash warnings without a service appointment. Clean the air filter element at 30 psi (205 kPa); plan hydraulic and fuel hose replacement at the 2-year or 4,000-hour mark. Every section is bookmarked, so the answer you need opens on any device in a tap or two. Stop guessing at warning lamps and turn the right wrench the first time.
What's Inside This Kubota U17-3 Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Safe Operation | 9-20 | Before Operation, Starting of the Excavator, After Operation, Safe Loading and Transport of the Excavator, Maintenance, Danger, Warning and Caution Labels |
| Dealer Service | 21 | Serial Number of the Excavator, Engine, Spare Parts |
| Technical Data | 22 | Model name, Operating weight, Engine, Performance, Dozer, Fuel tank capacity |
| Description of Machine Parts | 23 | Arm, Bucket, Swing bracket, Dozer, Boom, Drive sprocket |
| Instrument Panel and Control Elements | 24-25 | Horn switch, Starter switch, Warning lamp, LCD display, Drive lever, Control lever for front attachments |
| Before Start | 26-29 | Daily Checks, Tilting the Seat, Opening and Closing of Parts, Handling the Safety Devices |
| Operation of the Engine | 30-36 | Horn Switch, Starting the Engine, Starting the Engine Under Cold Conditions, Stopping the Engine, Starting with an Auxiliary Battery |
| Excavator Operation | 37-50 | Control Observations During Operation, Running-In of the New Excavator, Starting, Two Pattern Selection System, Operation of the Boom, Operation of the Arm, Operation of Bucket |
| Transporting the Excavator on a Truck | 51-52 | Transporting on a Truck |
| Lifting of the Excavator | 53-54 | Basics when Lifting with Cables or Straps, Safety Aspects when Lifting with Cables or Straps, Lifting Procedure for the Excavator |
| Maintenance | 55-61 | Maintenance Intervals, Daily Checks |
| Regular Checks and Maintenance Work | 62-73 | Every 50 Service Hours, Every 200 Service Hours, Every 250 Service Hours, Every 500 Service Hours, Every 1000 Service Hours, Every 1000 Service Hours or Once a Year |
| Other Adjustments and Replacements | 74-78 | Purging of the Fuel System, Tracks, Exchange of Bucket Teeth and Side Cutters, Fuses |
| Troubleshooting | 79-82 | Kubota I.C.S Navigation List of Messages |
| Operation Under Cold Weather Conditions | 83 | Preparation for Operation in Cold Weather, Procedure After Done Work |
| Long Storage | 84-85 | Should the Excavator be Stored for a Longer Period of Time, Observe Following Procedures, Observe Following Procedures when the Machine is to be Operated After Long Storage |
| Recommended Oils | 86 | Engine oil, Gear oil, Hydraulic oil, Grease, Fuel |
| Main Dimensions | 87 | - |
| Lifting Capacity | 88-89 | Lifting Capacity Over-Front Blade Down, Lifting Capacity Over-Front Blade Up, Lifting Capacity Over-Side Track Width 1240Mm |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Air filter element cleaning compressed air pressure | 30 psi (205 kPa, 2.1 kgf/cm²) | p. 55 |
| Air filter element replacement interval | every 1000 hrs | p. 47 |
| Hydraulic hose replacement interval | Every 2 years or 4000 hours | p. 77 |
| Fuel hose replacement interval | Every 2 years or 4000 hours | p. 77 |
| Coolant change interval | every 2 years | p. 47 |
| Coolant volume (Radiator system) | 0.71 US gal (2.7 L) | p. 65 |
| Engine oil change interval | every 250 hrs | p. 47 |
| Engine oil volume (with replacing engine oil filter) | approx. 3.6 L | p. 57 |
| Cause: Swing lock pin is in lock position | Remove swing lock pin in unlock position | p. 80 |
| Cause: Hydraulic oil level too low | Add oil | p. 80 |
| Operating Weight (including operator's) | 1680 kg | p. 22 |
| Engine Power (SAE gross) | 12.7 kW | p. 22 |
Kubota U17-3 Common Problems This Manual Covers
Kubota U17-3 won't start, appears completely dead even with key turned p. 30
Verify the left armrest is fully lowered before turning the key. This interlock must be satisfied or the starter circuit stays open. Check the startup sequence on page 30: key to ON, confirm no warning lamps indicate a lockout, then crank. If the LCD shows a lock lever message, raise and re-lower the armrest to reset the interlock.
Manual Section: Operation of the EngineEngine starts normally but boom, arm, and bucket controls are completely unresponsive p. 80
Lower the left armrest fully after the engine reaches idle. Hydraulics are disabled by design until the armrest is in the operating position. Confirm the swing lock pin is in the unlocked position (page 80 describes this lockout condition). If controls remain dead, check hydraulic oil level in the sight glass; the tank holds 13 L total and low level will kill function across all circuits.
Manual Section: TroubleshootingEngine loses power under load, bogs down during digging or travel p. 79
Check the air filter first. A clogged element is the fastest way to kill power on this machine; replacement interval is every 1000 hours (page 47), but inspect earlier in dusty conditions. Confirm fuel level in the 19 L tank and look for air in the fuel system. If the issue persists, inspect the fan belt deflection at page 57: correct deflection at 98 N force is 8 mm. Overheating from a low coolant level (radiator system holds 2.7 L) will also cause power loss.
Manual Section: TroubleshootingWarning lamp or LCD message illuminated on instrument panel after startup p. 81
Read the exact message on the LCD display before doing anything else. Page 81 maps each message to its cause: fuel system warnings point to the tank level, engine oil messages indicate a circuit error or shortage (check against the 3.6 L capacity with filter), and charging system messages point to the alternator or charge line. Do not keep operating until the root cause is identified. Page 24 shows the full instrument panel layout if you need to identify which lamp is active.
Manual Section: TroubleshootingMachine pulls to one side during travel, tracks deviating from straight line p. 75
Inspect both tracks for mud, rock, or debris packed against the rollers or drive sprocket; a blocked track causes direction deviation. Then check track tension on page 75: correct clearance between the track roller and inside track surface is 10 to 15 mm. Adjust tension using the grease nipple on the track adjuster, tightening to 98 to 108 N·m. If one side sits looser than the other, that side drags and pulls the machine off course.
Manual Section: Other Adjustments and ReplacementsHard to start or sluggish cranking in cold morning conditions p. 83
Follow the cold-weather startup procedure on page 83. Use the correct engine oil viscosity for the ambient temperature (recommended grades are on page 86) and check that the fuel tank has no water contamination, which separates out overnight in cold weather. If the battery cranks slowly, verify the charging system is not showing a fault on the LCD. A fully charged battery is critical when cold thickens the engine oil beyond its 3.6 L fill volume spec.
Manual Section: Operation Under Cold Weather ConditionsFrequently Asked Questions
What do the Kubota U17-3 error codes mean?
The Kubota U17-3 displays a set of LCD messages for different faults. A yellow lamp with "Fuel", for instance, means fuel is running out, while a red lamp with "Engine oil" flags an oil circuit error (clogged) or an oil shortage. Page 81 lists every message alongside its lamp color, the underlying problem, the machine's provisional behavior, and the corrective action.
How do I perform a service reset on a Kubota U17-3?
The service-hour maintenance message clears on its own after roughly 10 seconds. Should it return, cycle the key from OFF to RUN ten times and it goes away. A replaced service hour meter resets to "0"; contact your Kubota dealer for the specifics.
What is the track adjuster pressure or torque spec for a Kubota U17-3?
After adjusting the tracks on the U17-3, torque the track-adjuster grease nipple to 72 to 80 ft-lbs (98 to 108 N·m, 10 to 11 kgf·m). Tension is correct when the gap between the track roller and the inside surface of the track measures 0.4 to 0.6in. (10 to 15mm).
How to clear Kubota U17-3 service light
The maintenance message on the U17-3 vanishes by itself after about 10 seconds of display. If it pops back up, switch the key OFF to RUN ten times in a row to dismiss it. Note that a newly fitted service hour meter starts at "0", so reach out to your Kubota dealer if you need the reset details.
How to reset Kubota U17-3 after overheating
After the Kubota U17-3 overheats, stop operation in a safe condition and disconnect the engine's load. Allow the engine to idle under no load for about 5 minutes before turning it off, then wait another 10 minutes or while steam is given off. Pinpoint and remove the cause of overheat before restarting the engine.
How will I receive this Kubota U17-3 Operator Manual?
A 89-page Operator Manual in searchable PDF format, available the moment you complete checkout. View on computer, tablet, or phone — no shipping wait.
Document Quality
This document is a scanned PDF with an added OCR text layer, allowing you to search and copy all text content. The text is consistently crisp and easy to read throughout the manual. Diagrams and illustrations are raster images, which appear clear with readable labels, though some show minor pixelation at high zoom levels. All pages are clean, free from scan artifacts, stains, or skewing, with one blank page noted on page 8.
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