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John Deere LA145 Maintenance
The
John Deere LA145 is a LA105 series lawn tractor. This model was manufactured
from 2008 to 2010. The John Deere LA145 powerline system components: Briggs and
Stratton 407777 4-cycle V-twin OHV vertical-shaft air-cooled gasoline engine and
Tuff Torq T40 belt-driven hydrostatic transmission with infinite forward and
reverse gears.
A 40 cubic inches (656 cc) engine has a cylinder bore of 2.97" (75 mm),
piston stroke of 2.89" (73 mm), and rated power of 22 hp (16.4 kW). The
maximum forward speed - 5.5 mph (8.8 kph), max. reverse speed - 3.2 mph
(5.1 kph). The John Deere LA145 was equipped with a manual steering
system, wet disc brakes, 15x6.00-6 front tires, and 20x10.00-8 rear
tires. The wheelbase is 49" (1240 mm).
Compatible attachments for the tractor: a 48" mid-mount 3-blade mower
deck with cutting height of 1.0-4.0 in (25-102 mm) and manual lift
system, 44" front-mount 2-stage snowblower, and 46" front-mount blade
with lift height of 6" (150 mm).
| Engine oil capacity, qts (L) |
2.0 (1.9) |
| Transmission fluid capacity, qts (L) |
2.45 (2.3) |
| Fuel tank capacity, gal (L) |
2.3 (8.5) |
| Recommended Oil and Fluid |
| Engine oil type |
Turf-Gard, Plus-4, SAE 10W-30, 10W-40, 5W-30. API Service category CH or higher |
| Transmission fluid type |
SAE 10W-30, 5W-50 Synthetic Oil |
| Check fuel level |
Every 10 hours |
| Check engine oil level |
Every 10 hours |
| Clean air intake screen |
Every 10 hours |
| Check tire pressure and brakes |
Every 10 hours |
| Check and tighten loose hardware |
Every 10 hours |
| Lubricate front axle pivot |
Every 25 hours |
| Lubricate front wheel spindles and wheel bushings |
Every 25 hours |
| Check transmission fluid |
Every 25 hours |
| Change engine oil |
Every 50 hours |
| Replace engine oil filter |
Every 50 hours |
| Clean air filter precleaner (if equipped) |
Every 50 hours |
| Check air filter element |
Every 50 hours |
| Clean engine cooling fins |
Every 50 hours |
| Replace fuel filter |
Every 50 hours |
| Clean spark plug |
Every 50 hours |
| Check and clean battery terminals |
Every 50 hours |
| Sharpen or replace mower blades |
Every 50 hours |
| Check and adjust mower drive belt |
Every 50 hours |
| Clean mower deck |
Every 50 hours |
| Check and level mower deck |
Every 50 hours |
| Lubricate mower pivot points |
Every 50 hours |
| Replace spark plug |
Every 100 hours |
| Charge battery |
Every 100 hours |
| Check engine idle speeds |
Every 100 hours |
| Check carburetor adjustment |
Every 100 hours |
| Replace air filter precleaner (if equipped) |
Every 200 hours |
| Replace air filter element |
Every 200 hours |
| Change transmission fluid |
Every 200 hours |
| Check and adjust valve clearance |
Every 200 hours |
| Engine oil filter part number |
AM125424 |
| Engine fuel filter part number |
AM116304 |
| Engine air filter part number |
MIU11286/GY21056, LG273638S (Pre-Cleaner) |
| Spark plug part number |
M78543 |
| Mower blade part number |
GX21784, GY20852 |
| Traction drive belt part number |
GX20006 |
| Mower drive belt part number |
GX21833 |
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| Lawn and Garden Tractors Technical Specs |
