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Kubota M135X Maintenance

The Kubota M135X row crop tractor was manufactured between 2009 and 2014. This model was designed in two versions: M135XDTC (Standard front axle) and M135XDTSC (Front axle suspension). The Kubota M135X tractor is powered by Kubota V6108-TI-CRS 4-cycle 4-cylinder direct injection turbocharged diesel engine. A 373.7 cubic inches (6.1L) engine has a cylinder bore of 4.65" (118 mm), piston stroke of 5.51" (140 mm), and rated power of 135 hp (100.7 kW).

The Kubota M135X is fitted with two transmission options: Intelli-Shift partial powershift transmission with 16 forward and 16 reverse gears, and Intell-Shift Creeper transmission with 24 forward and 24 reverse gears. Max travel speed - 22.5 mph (36.3 km/h), max creeper speed - 0.7 mph (1.1 km/h). The open center hydraulic system used a gear pump with fluid flow rate of 20.4 gal/min (77.7 l/min). The hydraulic pressure is 196 bar (2845 psi).

The Kubota M135X was equipped with a hydrostatic power steering, hydraulic wet disc brakes, 14.9R24 or 420/70R24 front tires, and 18.4R38 or 520/80R38 rear tires. The wheelbase is 105.9" (2680 mm). The tractor is compatible with a Kubota LA1601S loader with lift capacity to max height of 4877 lbs (2212 kg) and breakout force of 6398 lbs (2902 kg).

Refill Capacities
Engine oil capacity, gal (L) 3.8 (14.5)
Engine coolant capacity, gal (L) 4.0 (15.0)
Hydraulic/transmission fluid capacity, gal (L) 15.8 (60.0)
Front axle oil capacity, gal (L) 3.45 (13.0)

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

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 400 hours
Replace engine oil filter Every 400 hours
Clean water separator Every 400 hours
Change hydraulic/transmission fluid Every 600 hours
Change front axle oil Every 600 hours
Replace engine fuel filter Every 800 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 HH1G0-32430
Engine fuel filter part number HH166-43560, 1J520-43060 (Element), 1G410-43560, 1G311-43380
Primary engine air filter part number 3P300-11220
Secondary engine air filter part number 3P300-11230 (Element)
Cab air filter part number 6A671-75090, T1855-71600
Hydraulic/transmission oil filter part number HH330-82630, HH520-15320
Drive belt part number 3P903-15780



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