John Deere CWS

Coolant capacity & service interval

John Deere CWS coolant capacity ranges from 30 to 38 liters. Service intervals include checks every 10 hours and changes every 24 months. The data covers 4 configurations.

The configuration chart below lists fill volumes and service intervals for each engine and trim variant.

TypeSpecifications
1450 (2001-2009)
  • Use: Normal
  • Capacity 30 liter
  • Check 10 hours
  • Change 24 months
1450 CWS (2001-2009)
  • Use: Normal
  • Capacity 30 liter
  • Check 10 hours
  • Change 24 months
1550 (2001-2009)
  • Use: Normal
  • Capacity 38 liter
  • Check 10 hours
  • Change 24 months
1550 CWS (2001-2009)
  • Use: Normal
  • Capacity 30 liter
  • Check 10 hours
  • Change 24 months

Additional Notes

  • The John Deere CWS cooling system capacities across the 2001-2009 model range span two distinct values: 30 liters and 38 liters, depending on the specific model configuration.
  • The 1450 and 1450 CWS share an identical 30-liter cooling system capacity, indicating no difference in coolant volume between the standard and CWS variants of that model.
  • The 1550 carries a 38-liter cooling system capacity, which is 8 liters greater than the 1550 CWS at 30 liters, meaning the two variants of the same model year range require meaningfully different service fill volumes.
  • A 30-liter cooling system capacity is a substantial fill volume, consistent with large-displacement agricultural machinery where extended thermal management demands a high coolant reserve.
  • The 38-liter capacity on the 1550 represents the largest cooling system volume across all four configurations listed, suggesting a greater engine heat load relative to the CWS variant.
  • All four configurations share a 10-hour check interval under normal use conditions, meaning coolant level inspection is tied to operational hours rather than calendar time.
  • The change interval across all four configurations is set at 24 months under normal use conditions, making coolant replacement a time-based service event rather than an hours-based one.
  • The combination of a 10-hour check interval alongside a 24-month change interval reflects a maintenance structure where frequent monitoring precedes infrequent full replacement, a common approach in heavy equipment coolant servicing.

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