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Kubota L3901 Maintenance
The
Kubota L3901 is a compact utility tractor from Standard L series. This model was
manufactured between 2014 and 2021. The tractor was designed in 2 versions:
L3901F (2-wheel drive) or L3901DT (4-wheel drive).
The Kubota L3901 powerline system components: a 111.4 cu.in (1.8L)
Kubota D1803-CR-E4 3-cylinder direct injection liquid-cooled diesel
engine with a rated power of 37.5 hp (28.1 kW), and synchronized shuttle
transmission with 8 forward and 8 reverse gears. The maximum travel
speed (forward/reverse): 13.2 mph (21.2 km/h) and 13.1 mph (21.1 km/h).
The open center hydraulic system includes a gear pump with a flow rate
of 6.3 gal/min (23.9 l/min). The hydraulic pressure is 162 bar (2350
psi). The 2WD models are equipped with 5.00x15 front tires and 11.2x24
rear tires. The 7.2x16 or 27x8.50-15 front tires and 11.2x24 or 15x19.5
rear tires are used for 4WD tractors. The wheelbase is 63.3 inches (1610
mm). Compatible attachments for the tractor: a
Kubota LA525 front-end
loader with lift capacity to full height of 1131 lbs (513 kg), and
Kubota BH77 backhoe with 2-ft flat digging depth of 89.8 inches (2280
mm).
| Engine oil capacity, gal (L) |
1.75 (6.7) |
| Engine coolant capacity, gal (L) |
1.6 (6.0) |
| Hydraulic/transmission fluid capacity (2WD), gal (L) |
7.4 (28.0) |
| Hydraulic/transmission fluid capacity (4WD), gal (L) |
7.5 (28.5) |
| Front axle oil capacity, gal (L) |
1.2 (4.5) |
| Recommended Oil and Fluid |
| Engine oil type |
SAE 20, SAE 30, 10W-30, 15W-40. API Service category CI-4, CJ-4 |
| Engine coolant type |
Kubota Antifreeze/Coolant |
| Hydraulic/transmission fluid type |
Kubota Super UDT-2 Fluid |
| Front axle oil type |
Kubota Super UDT-2, SAE 80, SAE 80W-90 Gear Oil |
| Check hydraulic/transmission fluid level |
Every 50 hours |
| Check front axle oil level |
Every 50 hours |
| Lubricate axle hub bearings |
Every 50 hours |
| Clean engine air filter element |
Every 100 hours |
| Check battery and clean terminals |
Every 100 hours |
| Inspect and adjust fan belt |
Every 100 hours |
| Adjust parking and service brakes |
Every 100 hours |
| Check and adjust engine idling |
Every 200 hours |
| Change engine oil |
Every 400 hours |
| Replace engine oil filter |
Every 400 hours |
| Replace hydraulic oil filter |
Every 400 hours |
| Replace engine fuel filter |
Every 400 hours |
| Clean water separator |
Every 400 hours |
| Change hydraulic/transmission fluid |
Every 400 hours |
| Change front axle oil |
Every 400 hours |
| Check power steering oil line |
Every 800 hours |
| Check and adjust valve clearance |
Every 800 hours |
| Replace engine air filter element |
Every 1000 hours |
| Clean fuel injection nozzles |
Every 1500 hours |
| Clean EGR cooler |
Every 1500 hours |
| Flush cooling system and add new coolant |
Every 2000 hours |
| Engine oil filter part number |
HH164-32430 |
| Engine fuel filter part number |
1J800-43172 (Spin On), 1G311-43380 (Element) |
| Engine air filter part number |
TA040-93230 or TC620-93230 |
| Hydraulic oil filter part number |
HH3A0-82623 or TC422-82620 |
| Drive belt part number |
15469-97010 |
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| Farm Tractors Technical Specifications |
