For the John Deere X940, coolant capacity is 2.77 gal (10.5 L). Fill slowly and recheck the radiator or overflow level after the first heat cycle.
John Deere X940 Coolant Capacity Specs
| Coolant capacity | 2.77 gal (10.5 L) |
|---|---|
| Engine model | Yanmar 3TNM72 |
| Engine horsepower | 24.5 hp |
| Engine displacement | 55.2 cu in (0.9 L) |
John Deere X940 Coolant Capacity Guide
Coolant capacity guide
Compared with a broad ztrak / mower guide, not the full tractor dataset.
John Deere X940 Coolant Service Notes
| Coolant capacity note | For the John Deere X940, the coolant capacity is 2.77 gal (10.5 L). That is the buying and refill guide for a full cooling-system service |
|---|---|
| Coolant service note | For a full coolant service on the John Deere X940, plan around 2.77 gal (10.5 L), refill slowly, run the engine, let it cool and recheck the level |
| Refill check | When refilling the John Deere X940, do not pour in 2.77 gal (10.5 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 X940 is engine model Yanmar 3TNM72, engine horsepower 24.5 hp, and engine displacement 55.2 cu in (0.9 L). Use this for comparison only; the refill amount is the coolant capacity above |
John Deere X940 Coolant Capacity FAQ
What is the John Deere X940 coolant capacity?
The John Deere X940 coolant capacity is 2.77 gal (10.5 L). Use this as the cooling-system refill amount and recheck the level after warm-up and cool-down
What should I check after refilling coolant in the John Deere X940?
The John Deere X940 may need a small top-up after the first heat cycle. Fill slowly, watch for leaks and recheck the level when cool
Is a coolant top-up enough before using the John Deere X940?
Use a full coolant service on the John Deere X940 when the system needs fresh coolant, not just more coolant. Plan the refill around the 2.77 gal (10.5 L) capacity
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.







