Renault Celtis

Coolant capacity & service interval

Renault Celtis coolant capacity ranges from 15 to 18,5 liters. Service intervals include checking every 10 hours and changing every 2000 hours. The data covers 4 configurations.

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

TypeSpecifications
Celtis 426 (M3612DB/3612DA/3611DB) (2003-2008)
  • Use: Normal
  • Capacity 15 liter
  • Check 10 hours
  • Change 2000 hours
Celtis 436 (M3622DB/3622DA/3621DB) (2003-2008)
  • Use: Normal
  • Capacity 15 liter
  • Check 10 hours
  • Change 2000 hours
Celtis 446 (M3632DB/3632DA/3631DB) (2003-2008)
  • Use: Normal
  • Capacity 15 liter
  • Check 10 hours
  • Change 2000 hours
Celtis 456 (M3642DB/3642DA) (2003-2008)
  • Use: Normal
  • Capacity 18,5 liter
  • Check 10 hours
  • Change 2000 hours

Additional Notes

  • The Renault Celtis 426, 436, and 446 variants all share a cooling system capacity of 15 liters, while the Celtis 456 carries a notably larger 18.5-liter capacity, reflecting the greater coolant volume demanded by a higher-displacement engine configuration.
  • A 15-liter cooling system capacity, as seen across the 426, 436, and 446 models, is a figure consistent with a service fill rather than a dry overhaul fill, meaning the system is assumed to retain residual fluid during a standard coolant change.
  • The 18.5-liter capacity on the Celtis 456 represents the largest cooling system volume across the 2003-2008 lineup, a difference of 3.5 liters compared to the three lower-numbered variants.
  • All four Celtis variants share an identical coolant check interval of every 10 operating hours, a relatively short inspection cycle that reflects the demanding thermal environment typical of agricultural tractor engines.
  • The coolant change interval is set at 2000 operating hours across all Celtis configurations from 2003-2008, a figure that applies under normal use conditions as specified in the row data.
  • In tractor service contexts, 2000 operating hours is a substantial interval, and the normal use condition tied to the 2000-hour change interval on all four Celtis models indicates the specification assumes standard field operation rather than elevated-stress or high-contamination environments.
  • The gap between the 10-hour check interval and the 2000-hour change interval across all Celtis variants means coolant level is inspected roughly 200 times before a full system change is due, underscoring the importance of monitoring over replacement frequency in the maintenance schedule.

Other Systems