Part of the Kubota Operator Manuals.
This is the Kubota operator manual for the D1703-M-DI-E4 diesel engine, a 37 page PDF you download and keep. It is the direct injection Tier 4 Kubota three cylinder diesel used in generators, compressors, and compact industrial equipment, and this book is the factory reference for running and servicing it.
The manual covers safe operation, the daily pre operation check, starting in normal and cold weather, stopping the engine, and the emission control system, along with the checks to watch while running. Maintenance and periodic service sections detail the scheduled work on fuel, engine oil, the radiator, air cleaner, and electric wiring, with intervals and capacities.
A troubleshooting section helps with difficult starting, sudden stops, insufficient output, overheating, and abnormal exhaust, and the specifications and wiring diagram pages give the numbers and electrical layout. Owners and independent mechanics can service the engine correctly without hunting for figures.
What's Inside This Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Safe Operation | Safety Instructions, Personal Protective Equipment, Fuel and Lubricants, Exhaust Gases, Battery Explosion, Warning and Caution Labels | |
| Servicing of the Engine | Dealer Consultation, Parts Ordering, Engine Serial Number | |
| Names of Parts | Intake Manifold, Injection Pump, Cooling Fan, Oil Filter Cartridge, Alternator, Flywheel | |
| Pre-Operation Check | Break-In, Daily Check | |
| Operating the Engine | Starting the Engine, Cold Weather Starting, Stopping the Engine, Checks During Operation, Reversed Engine Revolution and Remedies, Emission Control System | |
| Maintenance | Service Intervals | |
| Periodic Service | Fuel, Engine Oil, Radiator, Air Cleaner, Electric Wiring | |
| Carriage and Storage | Carriage, Storage | |
| Troubleshooting | Difficult Starting, Engine Stops, Exhaust Color, Immediate Stop, Insufficient Output, Engine Overheats | |
| Specifications | Number of Cylinders, Bore and Stroke, Total Displacement, Injection Pressure, Compression Ratio, Fuel Type | |
| Wiring Diagrams | Alternator, Starter, Battery, Glow Plugs, Fuse Box, Key Switch |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Recommended battery capacity | 12 V, 60 AH | p. 36 |
| Fuel filter cartridge replacement interval | 400 operating hours | p. 15 |
| Fuel filter cleaning interval | 100 hours of operation | p. 14 |
| Injection pressure (1st Stage) | 18.6 Mpa (190 kgf/cm², 2702 psi) | p. 36 |
| Injection pressure (2nd Stage) | 22.6 Mpa (230 kgf/cm², 3271 psi) | p. 36 |
| Compressed air pressure for cleaning air cleaner element | under 205 kPa (2.1 kgf/cm², 30 psi) | p. 31 |
| Air cleaner element cleaning interval | Every 100 hours | p. 19 |
| Initial Engine Oil and Oil Filter Change Interval | 50 hours | p. 13 |
| Regular Engine Oil Change Interval | 400 hours | p. 20 |
| Engine Oil Capacity (D1703-M-DI-E4) | 7.0 L | p. 26 |
| Coolant Volume (D1703-M-DI-E4) | 5.5 L | p. 29 |
| Coolant Change Interval (L.L.C.) | Every 2 years | p. 30 |
