For the John Deere 312, coolant capacity is 5 gal (18.9 L). Fill slowly and recheck the radiator or overflow level after the first heat cycle.
Coolant capacity5 gal (18.9 L)Cooling system refill amount
John Deere 312 Coolant Capacity Specs
Coolant capacity
5 gal (18.9 L)
Engine horsepower
12 hp
Engine displacement
29 cu in (0.48 L)
John Deere 312 Coolant Capacity Guide
Coolant capacity guide
This model
5 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 312 Coolant Service Notes
Coolant capacity note
For the John Deere 312, the coolant capacity is 5 gal (18.9 L). That is the buying and refill guide for a full cooling-system service
Coolant service note
Use 5 gal (18.9 L) as the refill guide for the John Deere 312. The final level should still be confirmed at the radiator or overflow bottle
Refill check
Use the 5 gal (18.9 L) capacity to buy enough coolant for the John Deere 312, but finish the job by checking the actual level marks
Engine context
For comparison, the John Deere 312 engine details listed here are engine horsepower 12 hp and engine displacement 29 cu in (0.48 L). The coolant capacity remains the service number to use for refilling
John Deere 312 Coolant Capacity FAQ
How many litres of coolant does the John Deere 312 take?
The John Deere 312 takes 5 gal (18.9 L) of coolant. Final level can settle after trapped air leaves the cooling system
How do I avoid air pockets when refilling the John Deere 312 coolant?
After a coolant change on the John Deere 312, check for leaks, watch temperature and recheck the level once the engine cools down
Should old coolant be drained from the John Deere 312?
Low level, bad smell, rust, sludge, oil film or overheating are signs to inspect the John Deere 312 cooling system rather than only topping it up
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.
