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Kubota GR2020 Maintenance
The
Kubota GR2020 is a 4WD (4x4) garden tractor from GR-series. This model was
manufactured between 2010 and 2019. The Kubota GR2020 powerline system
components: Kubota GH630 2-cylinder air-cooled gasoline engine and hydrostatic
transmission with foot travel speed control and cruise control.
A 38.1 cubic inches (624 cc) engine has a cylinder bore of 3.03" (77
mm), piston stroke of 2.64" (67 mm), and rated power of 20.5 hp (15.3
kW). Max. forward speed - 6.2 mph (10 km/h), maximum reverse speed - 3.1
mph (5 km/h). The tractor is fitted with 16x7.50-8 front tires and
23x10.50-12 rear tires.
The wheelbase is 50.4 in (1280 mm). Compatible attachments for the
Kubota GR2020 garden tractor: a 48" mid-mount 3-blade mower deck with
cutting height of 1.0-4.0 in (25-101) and hydraulic lift, 48"
front-mount Kubota GR2707 snowblower, and 46" front-mount Kubota GR2707
blade.
| Engine oil capacity, qts (L) |
2.0 (1.9) |
| Transmission fluid capacity, qts (L) |
3.5 (3.3) |
| Front axle oil capacity, qts (L) |
2.0 (1.9) |
| Mower gear box capacity, qts (L) |
0.16 (0.15) |
| Fuel tank capacity, gal (L) |
4.2 (16.0) |
| Recommended Oil and Fluid |
| Engine oil type |
SAE 10W-30, 5W-30. API Service category SG, SH, SJ |
| Transmission fluid type |
Kubota Super UDT-2 Fluid |
| Front axle oil type |
Kubota Super UDT-2 Fluid |
| Mower gear box oil type |
Kubota Super UDT-2 Fluid |
| Check fuel level |
Every 10 hours |
| Check engine oil level |
Every 10 hours |
| Check front axle oil level |
Every 10 hours |
| Check and tighten loose hardware |
Every 25 hours |
| Clean engine air filter element |
Every 25 hours |
| Clean air intake screen |
Every 50 hours |
| Check mower gear box oil level |
Every 50 hours |
| Check and adjust mower belt |
Every 50 hours |
| Check and clean battery terminals |
Every 50 hours |
| Check tire pressure and brakes |
Every 100 hours |
| Check engine fuel filter |
Every 100 hours |
| Lubricate front wheels |
Every 100 hours |
| Replace air filter element |
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 engine fuel filter |
Every 200 hours |
| Check and regap spark plug |
Every 200 hours |
| Charge battery |
Every 200 hours |
| Check engine idle speeds |
Every 200 hours |
| Change transmission fluid |
Every 400 hours |
| Replace HST transmission filter |
Every 400 hours |
| Clean transmission strainer |
Every 400 hours |
| Change front axle oil |
Every 400 hours |
| Check and adjust valve clearance |
Every 800 hours |
| Engine oil filter part number |
E7188-32110 |
| Engine fuel filter part number |
E7192-43120 |
| Engine air filter part number |
E7192-11220, E7192-11210 |
| Hydrostatic transmission filter part number |
HHK20-36990 |
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| Lawn and Garden Tractors Technical Specs |
