Part of the Kubota Repair Manuals.
This Kubota Service Manual covers the R310(B) and R410(B) wheel loaders, powered by the V1305-RP and V1902-BDW-3 diesel engines. Running 448 pages, it is the factory service documentation, organised into eleven sections that move from safety precautions and general specifications through the power train, brake system, steering, front shovel loader, backhoe, structure, engine, and electrical system.The manual carries Kubota's own testing, adjustment, and servicing procedures for each system: reduction gear case and differential work in the power train, relief pressures and pump flow in the steering, negative brake and parking brake checks, engine performance curves and tightening torques, and full electrical circuit diagrams. Owners and independent mechanics can use it to diagnose faults, set pressures, overhaul components, and return the loader to specification rather than guessing.It is delivered as a searchable, printable PDF download.
What's Inside This Kubota R310(B), R410(B) Manual
| System | Pages | Key Topics |
|---|---|---|
| Precautions | - | Safety Precautions for Servicing, Disassembling and Reassembling, Checks and Maintenance, Safety Levers and Appliances |
| Section I: General | - | Body, Engine and Backhoe Serial Numbers, Machine Specifications (Dimensional, Operational, Systematical), Routine Check Chart, Periodical Check and Maintenance Chart |
| Section Ii: A-Lst System | - | Service Information (Traction Procedure), Specifications |
| Section Iii: Power Train | - | Specification, Servicing (Reduction Gear Case, Differential Axle, Propeller Shaft) |
| Section Iv: Brake System | - | Specification, Testing & Adjustment (Pedal Stroke, Negative Brake Function, Braking Distance, Parking Brake Capacity) |
| Section V: Steering System | - | Specification, Testing & Adjustment (Main Relief Pressure, Overload Relief Pressure, Main Pump Flow Rate, Steering Wheel, Hoses and Fitting Installation) |
| Section Vi: Front Shovel Loader | - | Specifications |
| Section Vii: Backhoe | - | Mechanism (Oil Flow Chart, Hydraulic Circuit Diagram), Routine Maintenance |
| Section Viii: Structure | - | Specification (Center Pin & Bushing), Testing & Adjustment (Center Pin & Bushing Play), Servicing (Center Pin & Shaft, Hood, Rops/Fops Cab) |
| Section Ix: Engine | - | Engine Performance Curve, Maintenance Standard, Tightening Torque, Service Information, Specification, Testing & Adjustment |
| Section X: Electrical | - | Data of Electrical Units, Location of Electrical Units, Electrical Circuit Diagram, Comparison of Electrical Wiring, Wire Harness Clamp Location |
| Section Xi: Optional Units & Attachments | - | List of Optional Unit & Attachment, Limited Slip Differential (Lsd) |
Every system also includes troubleshooting.
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Piping screw torque (1/8") | 7.8 – 11.8 N.m (5.8 – 8.7 ft.lbf, 0.8 – 1.2 kgf.m) | p. 29 |
| Piping screw torque (1/4") | 24.5 – 29.4 N.m (18.1 – 21.7 ft.lbf, 2.5 – 3.0 kgf.m) | p. 29 |
Kubota R310(B), R410(B) Common Problems This Manual Covers
Loader boom slow or drifting
A shovel loader that lifts slowly or settles under load points to pump wear or relief pressure faults. The Front Shovel Loader section carries its specifications and service data.
Manual Section: Section VI: Front Shovel LoaderHeavy or unresponsive steering
Hard or wandering steering traces to relief pressure, pump flow, or the steering wheel unit. The Steering System section covers main and overload relief pressure and main pump flow testing and adjustment.
Manual Section: Section V: Steering SystemSoft or weak brakes
A long pedal or poor stopping points to pedal stroke, the negative brake, or the parking brake. The Brake System section gives the testing and adjustment procedures for each.
Manual Section: Section IV: Brake SystemDrive train noise or lost traction
Whine, clunk, or loss of drive traces to the reduction gear case, differential, or propeller shaft. The Power Train section covers the specifications and servicing of these components.
Manual Section: Section III: Power TrainEngine hard start or low power
Slow starting or lost power on the V1305-RP or V1902-BDW-3 points to compression, fuel, or timing faults. The Engine section provides the maintenance standard, torque, and testing and adjustment data.
Manual Section: Section IX: EngineCharging or electrical faults
A dead battery, dim lights, or dead starter trace to the charging and electrical circuit. The Electrical section gives the circuit diagram, unit data, and locations of the electrical components.
Manual Section: Section X: ElectricalBackhoe hydraulics weak
Slow or weak backhoe function points to the hydraulic circuit or pump. The Backhoe section documents the oil flow chart, hydraulic circuit diagram, and routine maintenance.
Manual Section: Section VII: BackhoeFrequently Asked Questions
Which machines does this manual cover?
It covers the Kubota R310(B) and R410(B) wheel loaders, including the loader, backhoe, power train, and their supporting hydraulic and electrical systems.
Which engines are documented?
The loaders use the Kubota V1305-RP and V1902-BDW-3 diesel engines. The Engine section covers performance curves, maintenance standards, tightening torque, and testing and adjustment procedures.
Does it include wiring diagrams?
Yes. The Electrical section provides the electrical circuit diagram, data and locations of the electrical units, a wiring comparison, and wire harness clamp locations.
Does it cover the backhoe and loader?
Yes. Dedicated sections cover the Front Shovel Loader and the Backhoe, including the backhoe oil flow chart, hydraulic circuit diagram, and routine maintenance.
What do I get after purchasing this Kubota R310(B) manual?
Immediate download of the full 448-page searchable Service Manual. Open it on any device, whether that's a laptop at your desk or a phone out in the field.
Are there any print restrictions on this Kubota R310(B) manual?
Yes. The PDF carries no DRM restrictions, so print any page or section you need for the shop. It works with any standard printer.
Can I trace circuits with this Kubota R310(B) manual?
Yes. You'll find full electrical schematics with wire routing diagrams, connector identification, and circuit descriptions.
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