The John Deere 8335RT takes 10.42 gal (39.5 L) of coolant. After refilling, run the engine, let it cool and confirm the final level.
John Deere 8335RT Coolant Capacity Specs
| Coolant capacity | 10.42 gal (39.5 L) |
|---|---|
| Engine horsepower | 335 hp |
| Engine displacement | 548 cu in (9 L) |
John Deere 8335RT Coolant Capacity Guide
Coolant capacity guide
Compared with a broad 8 series guide, not the full tractor dataset.
John Deere 8335RT Coolant Service Notes
| Coolant capacity note | The useful service number here is 10.42 gal (39.5 L). Keep some extra coolant available because trapped air can lower the level after the first warm-up |
|---|---|
| Coolant service note | For a full coolant service on the John Deere 8335RT, plan around 10.42 gal (39.5 L), refill slowly, run the engine, let it cool and recheck the level |
| Refill check | When refilling the John Deere 8335RT, do not pour in 10.42 gal (39.5 L) and walk away. Fill slowly, run the engine, let it cool and recheck the level |
| Engine context | The engine context for the John Deere 8335RT is engine horsepower 335 hp and engine displacement 548 cu in (9 L). Use this for comparison only; the refill amount is the coolant capacity above |
John Deere 8335RT Coolant Capacity FAQ
What is the John Deere 8335RT cooling system capacity?
A full coolant refill on the John Deere 8335RT is listed at 10.42 gal (39.5 L). Fill slowly and allow for a small top-up after the first heat cycle
Can the John Deere 8335RT coolant level drop after refilling?
Check the John Deere 8335RT coolant level cold after service. Hot coolant is pressurized and dangerous, so let the system cool before opening the cap
Should I flush the John Deere 8335RT cooling system or just top it up?
If coolant condition is good, topping up may be enough. If it is old or contaminated, a full drain and refill is safer for the John Deere 8335RT
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.
