Home / Farm Tractors / Kubota Tractors / Kubota M105S

Kubota M105S Maintenance

The Kubota M105S farm tractor was manufactured from 2005 to 2007. The tractor was designed in 2 versions: M105H (2WD, ROPS) and M105HD (4WD, ROPS). The Kubota M105S is powered by Kubota V3800-DI-TI 4-cylinder direct injection turbocharged diesel engine.

A 230 cubic inches (3.8 L) engine has a cylinder bore of 3.94" (100 mm), piston stroke of 4.72" (120 mm), and rated power of 105 hp (78.3 kW). The Kubota M105S tractor is fitted with 3 types of transmission. Type 1: 16x16 Swing Shift partially synchronized transmission. Type 2: 32x32 Swing Shift Plus Dual Speed partial powershift transmission. Type 3: 24x24 Swing Shift transmission with creeper. Max. forward speed - 21.4 mph (34.5 km/h), max. reverse speed - 21.4 mph (34.5 km/h).

The open center hydraulic system includes a gear pump with a flow rate of 17.2 gpm (65.1 lpm). The hydraulic pressure is 196 bar (2845 psi). The Kubota M105S was equipped with a hydrostatic power steering, hydraulic wet disc brakes, 10.00x16 (2WD) or 13.6x24 (4WD) front tires, and 18.4-34 rear tires. The wheelbase is 95.9 in (2430 mm).

Refill Capacities
Engine oil capacity, gal (L) 2.8 (10.7)
Engine coolant capacity, gal (L) 2.65 (10.0)
Hydraulic/transmission fluid capacity, gal (L) 15.8 (60.0)
Front axle oil capacity, gal (L) 2.75 (10.5)

Recommended Oil and Fluid
Engine oil type SAE 20, SAE 30, 10W-30, 10W-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 200 hours
Change engine oil Every 300 hours
Replace engine fuel filter Every 400 hours
Clean water separator Every 400 hours
Replace engine oil filter Every 600 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 HH1C0-32430
Engine fuel filter part number HH166-43560
Primary engine air filter part number 59700-26112
Secondary engine air filter part number 55231-26150 (Element)
Cab air filter part number T0270-72070, TA043-71600, T0270-72100
Hydraulic/transmission oil filter part number HH330-82630, 33960-38380
Drive belt part number 1C010-97010



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