The John Deere STX46 coolant capacity is 9.51 gal (36 L). Use this as the cooling-system refill amount and recheck the level after the engine cools.
John Deere STX46 Coolant Capacity Specs
| Coolant capacity | 9.51 gal (36 L) |
|---|---|
| Engine model | Kohler eng |
| Engine horsepower | 15 hp |
| Engine displacement | 24.2 cu in (0.4 L) |
John Deere STX46 Coolant Capacity Guide
Coolant capacity guide
Compared with a broad older small tractor guide, not the full tractor dataset.
John Deere STX46 Coolant Service Notes
| Coolant capacity note | The John Deere STX46 cooling system is listed at 9.51 gal (36 L). Final level can settle after the first heat cycle, so recheck the level after service |
|---|---|
| Coolant service note | For a full coolant service on the John Deere STX46, plan around 9.51 gal (36 L), refill slowly, run the engine, let it cool and recheck the level |
| Refill check | When refilling the John Deere STX46, do not pour in 9.51 gal (36 L) and walk away. Fill slowly, run the engine, let it cool and recheck the level |
| Engine context | The John Deere STX46 engine specs listed with this page are engine model Kohler eng, engine horsepower 15 hp, and engine displacement 24.2 cu in (0.4 L). They help identify the machine, but they are not a substitute for the coolant capacity |
John Deere STX46 Coolant Capacity FAQ
What is the refill amount for the John Deere STX46 cooling system?
A full coolant refill on the John Deere STX46 is listed at 9.51 gal (36 L). Fill slowly and allow for a small top-up after the first heat cycle
Should I run the John Deere STX46 after adding coolant?
Check the John Deere STX46 coolant level cold after service. Hot coolant is pressurized and dangerous, so let the system cool before opening the cap
When is a full coolant flush better than a top-up on the John Deere STX46?
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 STX46
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.







