The Kubota L3400 takes 6.0 quarts / 5.7 litres of engine oil.
Kubota L3400 Oil Capacity and Type
Engine Oil Capacity
6.0 qt / 5.7 L
Recommended Oil Name
Kubota Genuine Engine Oil or equivalent
Recommended Oil Type
Diesel-rated SAE 10W-30, 10W-40, or 15W-40 engine oil
Early Engine
Kubota D1703 diesel engine
Later Engine
1.8 L Kubota XtraPower diesel engine
Engine Power
34.7 HP early models; 35.7 HP later models
PTO Power
About 27.5 to 29 HP depending on transmission and model year
Cylinders
3-cylinder diesel
Displacement
100.5 cu in / 1.6 L early; 111.4 cu in / 1.8 L later
Cooling System
Liquid-cooled
Oil Filter
Replaceable spin-on engine oil filter
Oil Change Interval
Initial 50-hour service, then every 200 hours
How Much Oil Does a Kubota L3400 Take?
The Kubota L3400 takes 6.0 quarts / 5.7 litres of engine oil.
Use a quality diesel-rated SAE 10W-30, 10W-40, or 15W-40 engine oil. Kubota Genuine Engine Oil is the safest choice, but any correct diesel-rated oil can work if it matches the temperature range and service rating required for the tractor.
Fill close to 5.7 litres, run the engine briefly, shut it off, wait a few minutes, then check the dipstick. Top up slowly if needed. Do not overfill it.
Quick Specs Overview
6.0 qtEngine Oil
10W-30 / 15W-40Oil Type
200 hrsOil Interval
34.7–35.7 HPEngine Power
Best Oil to Use
Kubota Genuine diesel engine oil
SAE 10W-30 diesel-rated engine oil
SAE 10W-40 diesel-rated engine oil
SAE 15W-40 diesel-rated engine oil
Oil suitable for naturally aspirated diesel tractor engines
Replace the oil filter at every engine oil change
Oil Capacity Comparison
Kubota L3400
6.0 qt
Kubota L2800
6.0 qt
Kubota L3200
5.7 qt
Kubota L3800
5.7 qt
Oil Change Intervals
First Engine Oil Service
Initial service at 50 hours
Engine Oil
Every 200 hours after initial service
Engine Oil Filter
Replace every engine oil change
Air Filter
Check regularly; replace as needed
Fuel Filter
Inspect and replace as part of regular diesel service
Transmission / Hydraulic Oil
Service according to operator manual schedule
Hydraulic Filter
Replace according to operator manual schedule
Front Axle Oil
Check regularly on 4WD models
Other Kubota L3400 Fluid Capacities
Engine Oil
6.0 qt / 5.7 L
Fuel Tank
9.0 gal / 34.1 L
Cooling System
6.3 qt / 6.0 L
Transmission / Hydraulic System
29.2 qt / 27.6 L
Front Axle Oil
4.8 qt / 4.5 L
Transmission Type
8-speed constant mesh gear or hydrostatic, depending on model
Recommended Hydraulic Oil
Kubota UDT or Super UDT fluid
Kubota L3400 Engine Specs
Early Engine
Kubota D1703 diesel, used on earlier L3400 models
Later Engine
1.8 L Kubota XtraPower diesel, introduced on later models
Displacement
100.5 cu in / 1.6 L early; 111.4 cu in / 1.8 L later
Cylinders
3-cylinder
Fuel Type
Diesel
Aspiration
Naturally aspirated
Cooling System
Liquid-cooled
Rated RPM
2700 rpm
Gross Engine Power
34.7 HP early models; 35.7 HP later models
Net Engine Power
34.2 HP on later XtraPower engine listing
PTO Power
About 27.5 to 29 HP depending on transmission and model year
Starter
Electric, 12 volt
Lubrication
Pressurized lubrication with replaceable oil filter
Common Mistakes
Confusing engine oil with Kubota UDT transmission/hydraulic fluid
Using gasoline-engine oil instead of diesel-rated engine oil
Overfilling past the 6.0 quart / 5.7 litre engine oil capacity
Assuming every L3400 has the exact same engine version
Skipping the oil filter during an oil change
Forgetting that later XtraPower models used a larger 1.8 L engine
Not checking the dipstick after running the engine
Summary
The Kubota L3400 takes 6.0 quarts / 5.7 litres of engine oil. Use a diesel-rated SAE 10W-30, 10W-40, or 15W-40 engine oil, such as Kubota Genuine Engine Oil or a quality equivalent. The L3400 is a 34.7 to 35.7 horsepower compact utility tractor with a 3-cylinder liquid-cooled Kubota diesel engine. Earlier models used the D1703 1.6L engine, while later models used a larger 1.8L XtraPower engine. Always confirm the final oil level with the dipstick after filling.
