The John Deere 4000 coolant capacity is 3.5 gal (13.2 L). Use this as the cooling-system refill amount and recheck the level after the engine cools.
John Deere 4000 Coolant Capacity Specs
| Coolant capacity | 3.5 gal (13.2 L) |
|---|---|
| Engine horsepower | 91 hp |
| Engine displacement | 404 cu in (6.62 L) |
John Deere 4000 Coolant Capacity Guide
Coolant capacity guide
Compared with a broad compact tractor guide, not the full tractor dataset.
John Deere 4000 Coolant Service Notes
| Coolant capacity note | The John Deere 4000 cooling system is listed at 3.5 gal (13.2 L). Final level can settle after the first heat cycle, so recheck the level after service |
|---|---|
| Coolant service note | The John Deere 4000 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 4000, the cooling system can burp air. Recheck the level after the first warm-up and cool-down cycle |
| Engine context | The John Deere 4000 engine specs listed with this page are engine horsepower 91 hp and engine displacement 404 cu in (6.62 L). They help identify the machine, but they are not a substitute for the coolant capacity |
John Deere 4000 Coolant Capacity FAQ
How much coolant does the John Deere 4000 take?
Plan around 3.5 gal (13.2 L) when servicing coolant on the John Deere 4000. Recheck the system when cool because air pockets can lower the level
Do I need to recheck coolant level after servicing the John Deere 4000?
Yes. Use the 3.5 gal (13.2 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 4000?
If the John Deere 4000 coolant is only slightly low and otherwise clean, topping up with compatible coolant can be enough. If condition is poor, drain and refill instead
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.







