Home / Farm Tractors / Kubota Tractors / Kubota B2420

Kubota B2420 Maintenance

The Kubota B2420 is a 2WD or 4WD compact tractor. This model was manufactured from 2009 to 2017.

The Kubota B2420 driveline includes a Kubota D1105 E-TVCS 4 cycle vertical 3-cilinder water-cooled diesel engine and gear shift transmission with 9 forward and 3 reverse gears. A 68.6 cubic inches engine has a cylinder bore of 3.07" (78 mm), piston stroke of 3.09" (78.4 mm), and rated power of 21.3 hp (15.8 kW) at 2600 rpm. Max. forward speed - 12.1 mph (19.4 km/h), maximum reverse speed - 8.4 mph (13.5 km/h).

The open center hydraulic system includes a gear pump with a flow rate of 6.9 gpm (26.4 lpm). The hydraulic pressure is 132 bar (1920 psi). The Kubota B2420 is equipped with an integrated power steering system, wet multi disc brakes, 7.00x12 front tires, and 9.50x18 rear tires. The wheelbase is 61.8 inches (1563 mm).

Refill Capacities
Engine oil capacity, gal (L) 0.8 (3.1)
Engine coolant capacity, gal (L) 1.05 (3.9)
Hydraulic/transmission fluid capacity, gal (L) 3.7 (14.0)
Front axle oil capacity, gal (L) 0.85 (3.2)

Recommended Oil and Fluid
Engine oil type SAE 20, SAE 30, SAE 10W-30, 15W-40. API Service category CF, CG, CH
Engine coolant type Kubota Antifreeze/Coolant
Hydraulic/transmission fluid type Kubota UDT-2 or Kubota Super UDT-2 Fluid
Front axle oil type Kubota UDT-2, SAE 80, SAE 80W-90 Gear Oil

Service Intervals
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 elements Every 100 hours
Clean engine fuel filter Every 100 hours
Inspect and adjust fan belt Every 100 hours
Check battery and clean terminals Every 100 hours
Adjust parking and service brakes Every 100 hours
Adjust clutch Every 100 hours
Check engine start system Every 100 hours
Change engine oil Every 200 hours
Replace engine oil filter Every 200 hours
Check and adjust engine idling Every 200 hours
Replace hydraulic oil filter Every 200 hours
Change hydraulic/transmission fluid Every 400 hours
Change front axle oil Every 400 hours
Replace engine fuel filter Every 400 hours
Clean radiator fins Every 400 hours
Check and adjust valve clearance Every 800 hours
Replace primary engine air filter Every 1000 hours
Replace secondary engine air filter Every 1000 hours
Check fuel injection nozzle Every 1500 hours
Flush cooling system and add new coolant Every 2000 hours

Replacement Parts
Engine oil filter part number HH150-32094
Engine fuel filter part number 6A320-59930 (Element)
Primary engine air filter part number 6C060-99414 (Element)
Secondary engine air filter part number 32721-58242 (Element)
Hydraulic oil filter part number HH670-37712
Drive belt part number 1G879-97012



Farm Tractors Technical Specifications
JD 1026R JD 3650 JD 6400 JD 7810
FORD 1320 FORD 2810 FORD 3930 FORD 5600
MF 250 MF 690 MF 3060 MF 6180
NH TC48DA NH M100 NH T7550 NH 8560
CASE IH 495 CASE IH 1255XL CASE IH 2140 CASE IH 2294