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Kubota G23 Maintenance
The
Kubota G23 is a 4-wheel drive diesel lawn tractor. This model was manufactured
between 2009 and 2015. The components of Kubota G23 driveline system: Kubota
D902 4-cycle vertical 3-cylinder naturally aspirated water-cooled diesel engine
and hydrostatic transmission with infinite forward and reverse gears.
A 54.8 cubic inches (0.9L) engine has a cylinder bore of 2.83" (72 mm),
piston stroke of 2.90" (73.6 mm), and rated power of 23.5 hp (17.5 kW).
Max forward speed - 9.7 mph (15.5 km/h), max reverse speed - 5 mph (8
km/h).
The Kubota G23 is equipped with a hydrostatic power steering, wet disc
brakes, 16x7.50-8 front tires, and 24x12.00-12 rear tires. The wheel
base is 54.9" (1390 mm). The tractor is compatible with a 48" mid-mount
2-blade rear discharge Kubota RCK48 mower deck with cutting height of
1.0-4.0" (25-102 mm), dial cutting height adjustment, and hydraulic lift
system.
Engine oil capacity, qts (L) |
3.3 (3.1) |
Engine coolant capacity, qts (L) |
3.4 (3.2) |
Transmission fluid capacity, qts (L) |
11.7 (11.0) |
Mower gear box capacity, qts (L) |
2.0 (1.9) |
Fuel tank capacity, gal (L) |
5.3 (20.0) |
Recommended Oil and Fluid |
Engine oil type |
SAE 30, SAE 10W, 10W-30, 15W-40. API Service category CF or higher |
Engine coolant type |
Kubota Antifreeze/Coolant |
Transmission fluid type |
Kubota UDT or Kubota Super UDT Fluid |
Mower gear box oil type |
Kubota UDT or Kubota Super UDT Fluid |
Check transmission fluid level |
Every 50 hours |
Check mower gear box oil level |
Every 50 hours |
Lubricate axle hub bearings |
Every 50 hours |
Clean engine air filter element |
Every 50 hours |
Check battery and clean terminals |
Every 50 hours |
Adjust front PTO belt tension |
Every 50 hours |
Check engine fuel filter element |
Every 100 hours |
Inspect and adjust fan belt |
Every 100 hours |
Check and adjust brakes |
Every 100 hours |
Change mower gear box oil |
Every 150 hours |
Change engine oil |
Every 200 hours |
Replace engine oil filter |
Every 200 hours |
Replace transmission oil filter |
Every 200 hours |
Check and adjust toe-in |
Every 200 hours |
Check and adjust engine idling |
Every 300 hours |
Clean radiator fins |
Every 300 hours |
Clean transmission strainer |
Every 400 hours |
Replace engine fuel filter |
Every 400 hours |
Change transmission fluid |
Every 400 hours |
Replace engine air filter element |
Every 600 hours |
Check and adjust valve clearance |
Every 800 hours |
Flush cooling system and add new coolant |
Every 1000 hours |
Engine oil filter part number |
HH150-32430 |
Engine fuel filter part number |
12581-43012 (Element) |
Engine air filter part number |
K1211-82320 (Element) |
Hydraulic suction filter part number |
K2063-36520 |
Hydrostatic transmission filter part number |
HHK70-14070 |
Front PTO belt part number |
K2053-15643 |
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Lawn and Garden Tractors Technical Specs |