This is the Kubota KX040-4 operator manual, the owner's reference for the KX040-4 compact excavator built around the Kubota D1803-CR-TE4 common-rail diesel with its DPF exhaust system. It covers Canopy and CAB machines and takes you from daily checks through operation, service, and fault finding.
Inside you get the technical data, the LCD display and warning screens, and the switches and controls, plus regular service intervals from 50 through 3000 hours for oil, filters, and hydraulic fluid. There are procedures for the pilot control lock, fuses, rubber and steel tracks, cold-weather operation, and the recommended oils and fuel.
A troubleshooting section covers hard starting, overheating, hydraulic problems, and drive deviation. It is a searchable PDF you can download now, print in full, or keep on a phone or tablet in the cab so the procedures are with you on site.
Complete the set for your KX040-4
- Repair Manual: Kubota KX040-4 Service Manual (incl. Wiring)
What's Inside This Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information and Safety | Abbreviations, General Symbols, Foreword, Safety First (Danger, Warning, Caution) | |
| Safe Operation | Before Operation, Operating the Excavator, Safe Loading and Transport, Maintenance Safety, Danger/Warning/Caution Labels | |
| Dealer Service and Technical Data | Kubota Dealer Support, Serial Numbers, Model Specifications, Operating Weight, Engine Power, Fuel Tank Capacity | |
| Machine Components and Controls | Depicted Machine Parts, Instrument Panel, LCD Display, Control Pedals and Levers, Switches | |
| Pre-Operation Checks | Daily Checks, Starter Switch, LCD Display for Normal Operation, Warning Lamp, User Settings, Clock Setting, Aux Port Flow Rate Limit Switch, Air Conditioner Operation | |
| Engine Operation | Starting Engine, Cold Conditions, Auxiliary Battery, Check Points After Start, Stopping Engine, Overheat Precautions | |
| Excavator Operational Procedures | Running-In of the New Excavator, Do Not Work with Full Engine Rpm's or Full Loads During the First 50 Working Hours, Oil Change in the Run-In Stage, Operator's Seat, Seat Belt | |
| Transport and Lifting | Transporting on a Truck, Towing the Machine, Lifting Procedures, Attaching Cables, Lifting Capacity | |
| Covers and Daily Maintenance | Opening/Closing Engine Hood, Side Cover, Tool Storage, Fuel Level, Engine Oil Level, Hydraulic Oil Level, Greasing Front Attachments | |
| Regular Service Intervals | Every 50/200/500/1000/1500/2000/3000 Service Hours, Draining Fuel Tank, Air Filter Maintenance, Engine Oil Change, Hydraulic Oil Change, Biennial Servicing | |
| Other Adjustments and Replacements | Purging of the Fuel System, Tracks, Special Information When Using Rubber Tracks, Changing the Bucket, Fuses, Replacing Fuses, Fuse Capacities and Circuits, Auxiliary Electric | |
| Troubleshooting | Engine Starting Difficulties, Overheating, Hydraulic System Issues, Drive System Deviation, Ai System Error | |
| Cold Weather Operation and Storage | Preparation for Cold Weather, Anti-Freeze Mixing Ratio, Procedure After Work, Long Storage Procedures, Periodic Component Replacement | |
| Recommended Oils | Hydraulic Oil, Engine Oil, Fuel Specifications, Viscosity, Api Classification, DPF Longevity | |
| Appendices and Screens List | Main Dimensions, Lifting Capacity Tables, List of Normal Screens, Navigation List of Screens, Error Messages |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Periodic Check reset procedure | turn the key switch ON and OFF 10 times or more | p. 15 |
| Air-conditioner V-belt tension force | approx. 6 to 7 kgf (13.2 to 15.4 lbs) | p. 97 |
| Air-conditioner V-belt deflection | 12 to 15 mm (0.47 to 0.59 in.) | p. 97 |
| Hydraulic hoses replacement interval | Every 2 years or 4000 hours | p. 120 |
| ECU (+B) fuse capacity (Canopy) | 15A | p. 114 |
| ECU (+B) fuse capacity (CAB) | 10A | p. 114 |
| Operating Weight (Canopy) | 4170 kg (9193 lbs) | p. 26 |
| Engine Power (SAE J1955 gross) | 30.1 kW (40.4 Hp) | p. 26 |
| Rated Engine Speed | 2200 rpm | p. 26 |
| Fuel Tank Capacity | 64 L (17 US gal) | p. 26 |
| Max. Drawbar Pull at Coupling Hook | 70450 N (15840 lbs, 7183 kgf) | p. 15 |
| Allowable Climbing Angle | 36 % (20 deg.) | p. 13 |
