Kubota L3800 Operator's Manual

Kubota L3800 Tractor manual cover
Pages 79
Year 2012
Language(s)
English en

Kubota L3800 Tractor Specification

The Kubota L3800 Tractor is a versatile and robust machine designed for a variety of agricultural and landscaping tasks. It features a 37.4 horsepower, 4-cylinder, liquid-cooled diesel engine, which ensures reliable performance and fuel efficiency. The tractor's transmission offers two options: an 8 forward and 4 reverse gear manual transmission or a 3-range HST (Hydrostatic Transmission) for smooth and effortless operation. The L3800 also comes with a live continuous-running PTO (Power Take-Off) with an independent clutch, delivering a PTO horsepower of 30.3 HP, making it suitable for a range of implements and attachments.

The tractor's hydraulic system is designed to handle demanding tasks, boasting a hydraulic pump capacity of 6.3 gallons per minute, which ensures efficient operation of the 3-point hitch with a maximum lifting capacity of 1,998 lbs. The Category I 3-point hitch is compatible with a wide range of implements, providing versatility for various farming and landscaping needs.

Operator comfort and safety are prioritized with the L3800's ergonomic design, featuring a spacious operator platform, adjustable suspension seat, and clear visibility from the driver's seat. The tractor also includes a foldable ROPS (Rollover Protective Structure) for enhanced safety. Its overall dimensions and maneuverability make it suitable for both large fields and smaller plots, with a wheelbase of 63.3 inches and a turning radius of 8.2 feet with brakes applied.

Additionally, the L3800 is equipped with a durable front axle and a sturdy frame, ensuring stability and longevity even under heavy loads. The tractor's overall build and features make it an excellent choice for farmers, landscapers, and property owners seeking a reliable, powerful, and user-friendly machine for various tasks.

Kubota L3800 Tractor F.A.Q.

How do I perform a basic oil change on my Kubota L3800 Tractor?

To perform an oil change on your Kubota L3800, first, warm up the engine to allow the oil to drain smoothly. Turn off the engine and place an oil pan under the oil drain plug. Remove the plug and allow the oil to drain completely. Replace the drain plug and remove the oil filter with an oil filter wrench. Install a new oil filter and refill the engine with the recommended oil type and quantity. Check for leaks and proper oil level.

What should I do if my Kubota L3800 won't start?

If your Kubota L3800 won't start, check the battery connections for corrosion and ensure they are tight. Verify that there is enough fuel and the fuel valve is open. Inspect the fuses and replace any that are blown. Check the safety switches, such as the seat and PTO switch, which should be engaged or in the correct position. If the problem persists, consult the user manual or a professional technician.

How do I maintain the hydraulic system on my Kubota L3800 Tractor?

Regularly check the hydraulic fluid level and top it off with the recommended fluid if necessary. Inspect hoses and connections for leaks or wear and replace them as needed. Clean the hydraulic oil cooler to prevent overheating. Change the hydraulic filter according to the maintenance schedule outlined in the owner's manual.

What type of fuel is recommended for the Kubota L3800?

The Kubota L3800 Tractor is designed to run on diesel fuel. Use clean, fresh diesel that meets the ASTM D975 standard for optimal performance. Always ensure that the fuel is free from contaminants and water.

How can I troubleshoot the PTO (Power Take-Off) on my Kubota L3800 if it does not engage?

First, ensure that the PTO lever is fully engaged. Check if the PTO safety switch is functioning correctly. Inspect the PTO clutch and linkage for wear or damage. Verify that the hydraulic fluid level is adequate as low fluid can affect PTO operation. If the issue persists, consult the service manual or a professional technician for further diagnosis.

How often should I replace the air filter in my Kubota L3800 Tractor?

The air filter should be inspected and cleaned regularly and replaced every 200 hours of operation or more frequently if operating in dusty conditions. Refer to the owner's manual for specific maintenance intervals and procedures.

What are the recommended tire pressures for the Kubota L3800?

The recommended tire pressure for the Kubota L3800 varies depending on the type of tires and the load. Generally, front tires should be inflated to 25-30 psi and rear tires to 15-20 psi. Always refer to the tire manufacturer's specifications or the owner's manual for precise details.

How do I adjust the 3-point hitch on my Kubota L3800?

To adjust the 3-point hitch, first, ensure that the tractor is on a level surface. Adjust the lift rod length to level the implement side-to-side. Use the turnbuckles on the lift arms to set the desired height and lateral sway. Check that the hitch is stable and secure before operation.

What should I do if my Kubota L3800 overheats?

If your Kubota L3800 overheats, immediately turn off the engine to prevent damage. Check the coolant level and add if necessary. Inspect the radiator for blockages and clean as needed. Verify that the fan belt is in good condition and properly tensioned. If the problem persists, seek assistance from a qualified technician.

How can I improve fuel efficiency for my Kubota L3800 Tractor?

To improve fuel efficiency, ensure regular maintenance such as timely oil changes, air filter replacements, and proper tire inflation. Avoid excessive idling and operate at optimal engine RPMs. Use the appropriate gear for the task and minimize unnecessary weight on the tractor.