Part of the Kubota Operator Manuals.
Covering all three cab-equipped Kubota compact tractors, this 24-page guide details safety label identification, full cab operation, and service intervals. The specifications table breaks down engine displacement (like the 1.857 L in the L3710HST), fluid capacities, tread dimensions, and PTO data for each model. The cab operation section walks through every climate control mode, from heating to dehumidifying, along with work light switches and wiper controls. Before heading into the field, use the maintenance charts to verify your battery hits 12V at 582 CCA and set the AC drive belt to 10-12mm deflection under a 10 kgf (22 lb.) load. The PDF is fully bookmarked, letting you search any system by keyword directly from your phone.
What's Inside This Kubota L3710, L4310, L4610 Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Abbreviation List | 3-4 | Abbreviations and Definitions, California Proposition 65, Warning |
| Safe Operation | 7-8 | Danger, Warning and Caution Labels (Caution Label Part No 35260-3491-3, Warning Label Part No TA040-4902-1), Care of Danger |
| Specifications | 9 | Model, Engine, Capacities, Dimensions, Tread, Traveling System, Hydraulic Unit, PTO |
| Cab Operation | 10-15 | Door and Window (Locking and Unlocking the Door, Opening the Door, Rear Window, Side Window), Dome Light, Work Light (Front Work Light, Rear Work Light) |
| Maintenance | 16-20 | Service Intervals (Clogging of the Insect Control Mesh for Condenser, Tension of Air Conditioner Drive Belt, Clogging of Inner Air Filter, Clogging of Fresh Air Filter, Clogging of Air Conditioner Condenser, Air Conditioner Pipes and Hoses, Cab Isolation Cushion, Washer Liquid, Amount of Refrigerant) |
| About Kubota Corporation | 21-23 | Company History and Diversification, Products and Central Commitment, Global Impact and Customer Service |
| Kubota Contact Information | 24 | Corporate Office, Divisional Offices, Publication Details |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Battery capacity | 12V, RC:133 min, CCA:582A | p. 9 |
| Air-conditioner drive belt tension | A deflection of 10 to 12mm (0.4 to 0.48in.) under a 10 kgf (22 lbs.) load | p. 16 |
| Number of cylinders | 4 | p. 9 |
| Fuel tank capacity | 35.0 L | p. 9 |
| Engine crankcase capacity (with filter) | 7.6 L | p. 9 |
| Engine coolant capacity | 7.5 L | p. 9 |
| Transmission case capacity | 39.0 L | p. 9 |
| L3710HST | ||
| Total displacement | 1.857 L | p. 9 |
| Net power | 27.3 kW | p. 9 |
| Maximum torque | 120.3 N-m | p. 9 |
| Minimum ground clearance | 350 mm | p. 9 |
| L4310HST, L4610HST | ||
| Total displacement | 2.197 L | p. 9 |
Kubota L3710, L4310, L4610 Common Problems This Manual Covers
Overheating and AC blowing warm air during heavy field operation
Start by inspecting the insect control mesh for the condenser on page 16. Clean debris from the fins to restore airflow. Next, verify the engine coolant is filled to the 7.5 L capacity and check that the AC drive belt deflection measures 10 to 12mm under a 10 kgf load.
Manual Section: Maintenance p. 16Weak implement response or very slow forward travel while reverse remains fast
Review the transmission case fluid level on page 9. Fill the reservoir to the full 39.0 L capacity if low, then inspect hoses and fittings for leaks. Confirm the hydraulic system is operating correctly per the Hydraulic Unit specifications on page 9.
Manual Section: Specifications p. 9Dashboard lights work but the engine does not crank from the key
Test the battery output to confirm it meets the 12V, 582 CCA rating detailed on page 9. Inspect the starter motor contacts and wiring harness for corrosion, clean the terminals, and verify all safety-interlock switches are fully engaged.
Manual Section: Specifications p. 9Poor cabin airflow and dusty interior environment in dry conditions
Pull the inner and fresh air filters using the steps on page 17. Clean both components thoroughly with compressed air, and inspect the cab isolation cushions for wear.
Manual Section: Maintenance p. 17Frequently Asked Questions
What are the replacement specifications for battery?
Replacement specs require a 12V battery with a Reserve Capacity (RC) of 133 minutes and 582 Cold Cranking Amps (CCA). These details are located in the Specifications section. p. 9
Is this Kubota L3710, L4310, L4610 Operator Manual a digital download?
Yes. The 24-page searchable file downloads immediately. Access it on any device, whether you are using a laptop at the shop or a phone in the field.
Am I able to print pages from this manual?
Yes. The file contains no DRM or copy protection. Print the entire document or just specific pages using any standard home or office printer.
What is the correct AC drive belt tension for the L3710, L4310, and L4610?
Tension the AC drive belt to a deflection of 10 to 12mm (0.4 to 0.48 in.) under a 10 kgf (22 lbs.) load. The adjustment procedure is in the Maintenance section on page 16. p. 16
What are the fluid capacities for the Kubota L3710, L4310, and L4610?
All three models share a 35.0 L fuel tank, 7.6 L engine crankcase capacity (with filter), 7.5 L engine coolant capacity, and 39.0 L transmission case. Verify all values in the Specifications section on page 9. p. 9
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