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Kubota M120 Maintenance

The Kubota M120 utility tractor was manufactured between 1998 and 2004. This model was designed in 2 versions: M120 (2WD) and M120DT (4WD). The Kubota M120 tractor is powered by Kubota F5802 4-cycle 5-cylinder direct injection turbocharged diesel engine. A 356 cubic inches (5.8L) engine has a cylinder bore of 4.29" (109 mm), piston stroke of 4.92" (125 mm), and rated power of 120 hp (89.5 kW).

The Kubota M120 is fitted with two transmission options: Powershift transmission with 16 forward and 16 reverse gears, and Powershift Creeper transmission with 24 forward and 24 reverse gears. Max forward/reverse speed (travel and creeper) - 20.3 mph (32.7 km/h) and 0.7 mph (1.2 km/h). The open center hydraulic system used a gear pump with a rated fluid flow of 20.6 gallons per minute (78 liters per minute). The rear lift capacity is 5200 lbs (2360 kg) at lift pin.

The 2WD models are equipped with 11.00-16 front tyres and 18.4-38 rear tyres. The 14.9-24 front tyres and 18.4-38 rear tyres fit 4WD tractors. The wheelbase is 103.7" (2630 mm) for models with 2-wheel drive and 105.9" (2680 mm) for models with 4-wheel drive. The tractor is compatible with a Kubota LA1301 loader with lift capacity to max height of 2865 lbs (1300 kg), or Kubota LA1601 loader with lift capacity to max height of 3527 lbs (1600 kg).

Refill Capacities
Engine oil capacity, gal (L) 5.5 (20.8)
Engine coolant capacity, gal (L) 3.8 (14.5)
Hydraulic/transmission fluid capacity, gal (L) 15.3 (58.0)
Front axle oil capacity, gal (L) 4.35 (16.5)

Recommended Oil and Fluid
Engine oil type SAE 20, SAE 30, 10W-30, 15W-40. API Service category CD, CE, CF
Engine coolant type Kubota Antifreeze/Coolant
Hydraulic/transmission fluid type Kubota Super UDT Fluid
Front axle oil type Kubota Super UDT, 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
Check battery and clean terminals Every 100 hours
Inspect and adjust fan belt Every 100 hours
Adjust parking and service brakes Every 100 hours
Clean cab air filters Every 200 hours
Adjust toe-in Every 200 hours
Check and adjust engine idling Every 200 hours
Check power steering oil line Every 200 hours
Replace hydraulic/transmission oil filter Every 300 hours
Change engine oil Every 300 hours
Replace engine oil filter Every 300 hours
Replace engine fuel filter Every 400 hours
Change hydraulic/transmission fluid Every 600 hours
Change front axle oil Every 600 hours
Check and adjust valve clearance Every 800 hours
Replace primary engine air filter element Every 1000 hours
Replace secondary engine air filter element Every 1000 hours
Clean fuel injection nozzles Every 1500 hours
Flush cooling system and add new coolant Every 2000 hours

Replacement Parts
Engine oil filter part number HH160-32430
Engine fuel filter part number HH166-43560
Primary engine air filter part number 3F240-11220
Secondary engine air filter part number 3F240-11230 (Element)
Cab air filter part number 33760-50320, 52241-21650
Hydraulic/transmission oil filter part number HH330-82630, HH520-15320
Drive belt part number 3M760-15780, 15451-97010



Farm Tractors Technical Specifications
JD 1026R JD 3650 JD 6400 JD 7810
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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