This is the Kubota workshop (service) manual for the L3010, L3410, L3710, L4310, and L4610 tractors, a 284-page PDF for mechanics doing component-level diagnosis and repair. The tractors use the V1903-AN, V2203-AN, and V2203-EHA diesel engines and were produced from 1988 to 2005.
Coverage is organized by system: steering, the hydraulic system, and the electrical system, followed by the cab with its air conditioner, the mid-mount mower, and a dedicated L4610DT four-wheel-drive supplement. Each section includes structure and operation, servicing specifications, troubleshooting, and disassembly and assembly steps.
With it you can test hydraulic pump delivery, check the charging and starting circuits, service the cab air conditioner, set front axle toe-in on the L4610DT, and torque fasteners to the listed values. Written for owners and independent shops servicing these L-series tractors.
Complete the set for your L3010–L4610 Series
- Operator Manual: Kubota L3710, L4310, L4610 Operator Manual
Other edition of this manual
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Steering | 2-4 | Commutator Ring Inspection, Port Cover Servicing, Drive Link Spacer Replacement, Rotor Set Measurement, Steering Cylinder Checking |
| Hydraulic System | 5-20 | Hydraulic Pump Structure, Position Control Valve Operation, Relief Valve Pressure Settings, Hydraulic Cylinder Components, Linkage Mechanism Adjustment |
| Electrical System | 21-35 | Wiring Diagram, Starting System Components, Charging System Operation, Lighting System Circuitry, Easy Checker Indicators |
| Cabin (Safety, Specs, General) | 36-54 | Safety Decals, Tractor Specifications, Cooling Water Capacity, Maintenance Check List, Special Tools for AC |
| Cabin (Mechanism) | 55-60 | Air Conditioner System Principles, Refrigerant Cycle, Compressor Operation, Windshield Wiper Mechanism, Electrical Circuit for AC |
| Cabin (Servicing) | 61-69 | AC Troubleshooting, Servicing Specifications, Refrigerant Charging, Disassembling AC Components, Lighting System Checking |
| M Mower (Specifications & Mechanism) | 70-74 | Mower Specifications, Exterior View and Application, Power Transmission, Lifting Mechanism |
| M Mower (Servicing) | 75-80 | General Precautions, Lubricants, Troubleshooting, Tightening Torques, Blade Disassembly |
| A L4610DT(Supplement) General | 81-89 | L4610DT Specifications, Dimensions, Lubricants, Maintenance Check Points, Tire Adjustment |
| A L4610DT(Supplement) Front Axle | 90-97 | 4WD Drive Type Structure, Front Axle Troubleshooting, Servicing Specifications, Toe-In Adjustment, Disassembling Front Axle |
| A L4610DT(Supplement) Steering | 98-102 | Steering Cylinder Structure, Servicing Specifications, Tightening Torques, Relief Valve Checking, Steering Cylinder Disassembly |
| A L4610DT(Supplement) Hydraulic System | 103-105 | Power Steering Hydraulic Pump Specs, Hydraulic Pump Flow Test, Relief Valve Checking, Steering Cylinder Disassembly |
| A L4610DT(Supplement) Electrical System | 106-107 | Starting System Circuit, HST Pedal Switch Checking, Clutch Pedal Switch Checking |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| L3010 | ||
| General use screws and nuts (M6, No-grade or 4T) | 7.85 to 9.32 N-m (5.79 to 6.87 ft-lbs) | p. 53 |
| L3410 | ||
| General use screws and nuts (M6, No-grade or 4T) | 7.85 to 9.32 N-m (5.79 to 6.87 ft-lbs) | p. 53 |
| L3710 | ||
| General use screws and nuts (M6, No-grade or 4T) | 7.85 to 9.32 N-m (5.79 to 6.87 ft-lbs) | p. 53 |
| L4310 | ||
| General use screws and nuts (M6, No-grade or 4T) | 7.85 to 9.32 N-m (5.79 to 6.87 ft-lbs) | p. 53 |
| L4610 | ||
| General use screws and nuts (M6, No-grade or 4T) | 7.85 to 9.32 N-m (5.79 to 6.87 ft-lbs) | p. 117 |
| All Models | ||
| Hydraulic Oil Filter Cartridge Filtration degree | β60 or BETA60 = 2.5 (MIN) | p. 11 |
| Air Conditioner Drive Belt Tension (deflection) | 10 to 12 mm (0.39 to 0.47 in.) at 98 N (10 kgf, 22 lbs) of force | p. 70 |
| A/C Thermostat setting temperature | ON Approx. 1 °C (34 °F), OFF Approx. 4.5 °C (40.1 °F) | p. 100 |
| Hydraulic Cylinder I.D. | 90.000 to 90.050 mm | p. 20 |
| Starter Motor Commutator O.D. | 30.0 mm | p. 34 |
| Alternator Brush Length | 10.5 mm | p. 34 |
| L3010, L3410 | ||
| Hydraulic Pump Delivery at No Pressure | 26.4 L/min | p. 19 |
