The John Deere 345 coolant capacity is 0.82 gal (3.1 L). Use this as the cooling-system refill amount and recheck the level after the engine cools.
Coolant capacity0.82 gal (3.1 L)Cooling system refill amount
John Deere 345 Coolant Capacity Specs
Coolant capacity
0.82 gal (3.1 L)
Engine horsepower
20 hp
Engine displacement
35.7 cu in (0.59 L)
John Deere 345 Coolant Capacity Guide
Coolant capacity guide
This model
0.82 gal
Class low
0.8 gal
Class typical
2.5 gal
Class high
5 gal
Compared with a broad older small tractor guide, not the full tractor dataset.
John Deere 345 Coolant Service Notes
Coolant capacity note
The John Deere 345 cooling system is listed at 0.82 gal (3.1 L). Final level can settle after the first heat cycle, so recheck the level after service
Coolant service note
The John Deere 345 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 345, 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 345 engine details listed here are engine horsepower 20 hp and engine displacement 35.7 cu in (0.59 L). The coolant capacity remains the service number to use for refilling
John Deere 345 Coolant Capacity FAQ
How much coolant does the John Deere 345 take?
Plan around 0.82 gal (3.1 L) when servicing coolant on the John Deere 345. Recheck the system when cool because air pockets can lower the level
Do I need to recheck coolant level after servicing the John Deere 345?
Yes. Use the 0.82 gal (3.1 L) figure as the refill guide, but always recheck level after warm-up and cool-down because trapped air can move through the system
When should contaminated coolant be replaced in the John Deere 345?
If the John Deere 345 coolant is only slightly low and otherwise clean, topping up with compatible coolant can be enough. If condition is poor, drain and refill instead
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.
