The John Deere 940 takes 2.77 gal (10.5 L) of coolant. After refilling, run the engine, let it cool and confirm the final level.
John Deere 940 Coolant Capacity Specs
| Coolant capacity | 2.77 gal (10.5 L) |
|---|---|
| Engine horsepower | 42.9 hp |
| Engine displacement | 179 cu in (2.93 L) |
John Deere 940 Coolant Capacity Guide
Coolant capacity guide
Compared with a broad older small tractor guide, not the full tractor dataset.
John Deere 940 Coolant Service Notes
| Coolant capacity note | The useful service number here is 2.77 gal (10.5 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 940, 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 940, 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 John Deere 940 engine specs listed with this page are engine horsepower 42.9 hp and engine displacement 179 cu in (2.93 L). They help identify the machine, but they are not a substitute for the coolant capacity |
John Deere 940 Coolant Capacity FAQ
What is the John Deere 940 cooling system capacity?
The John Deere 940 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
Can the John Deere 940 coolant level drop after refilling?
The John Deere 940 may need a small top-up after the first heat cycle. Fill slowly, watch for leaks and recheck the level when cool
Should I flush the John Deere 940 cooling system or just top it up?
Use a full coolant service on the John Deere 940 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.
