Coolant capacity for the John Deere LA120 is 0.5 gal (1.9 L). This is the main refill figure for a drain, flush or coolant change.
Coolant capacity0.5 gal (1.9 L)Cooling system refill amount
John Deere LA120 Coolant Capacity Specs
Coolant capacity
0.5 gal (1.9 L)
Engine model
John Deere LA120 tractor features a Briggs
Engine horsepower
21 hp
Engine displacement
44.2 cu in (0.72 L)
John Deere LA120 Coolant Capacity Guide
Coolant capacity guide
This model
0.5 gal
Class low
0.5 gal
Class typical
2.5 gal
Class high
4.5 gal
Compared with a broad ztrak / mower guide, not the full tractor dataset.
John Deere LA120 Coolant Service Notes
Coolant capacity note
The John Deere LA120 coolant capacity is 0.5 gal (1.9 L). Treat it as a cooling-system amount, not a radiator-only top-up amount
Coolant service note
The John Deere LA120 should be filled by capacity first, then verified by the actual level marks after the engine cools
Refill check
After a drain and refill on the John Deere LA120, the cooling system can burp air. Recheck the level after the first warm-up and cool-down cycle
Engine context
For comparison, the John Deere LA120 engine details listed here are engine model John Deere LA120 tractor features a Briggs, engine horsepower 21 hp, and engine displacement 44.2 cu in (0.72 L). The coolant capacity remains the service number to use for refilling
John Deere LA120 Coolant Capacity FAQ
How much coolant is needed for a John Deere LA120 coolant change?
The cooling system capacity for the John Deere LA120 is 0.5 gal (1.9 L). This is the main refill figure for a drain, flush or coolant change
Should I bleed air after changing coolant in the John Deere LA120?
Fill the John Deere LA120 slowly, run it with the heater/thermostat cycle where applicable, let it cool and check the level again. That helps catch trapped air
When should I flush the John Deere LA120 cooling system?
Flush the John Deere LA120 cooling system if the coolant is dirty, contaminated, badly diluted or overdue for service. A simple top-up does not fix old coolant chemistry
Official information note
Mistakes do happen. Tractor coolant capacity and coolant type can change by year, market, engine, radiator setup and service procedure. Check the operator manual, service manual and official deere.com website before draining, flushing or refilling the cooling system.
