Deutz-Fahr Series 4 W

Coolant capacity & service interval

Deutz-Fahr Series 4 W uses coolant with a capacity range of 6,5 to 9 liters. Service intervals include checking every 10 hours and changing every 1200 hours or 24 months. The data covers 8 configurations.

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

TypeSpecifications
4040 W (2019- )
  • Use: Normal
  • Capacity 6,5 liter
  • Check 10 hours
  • Change 1200 hours/ 24 months
4045 W (2019- )
  • Use: Normal
  • Capacity 6,5 liter
  • Check 10 hours
  • Change 1200 hours/ 24 months
4050 W (2019- )
  • Use: Normal
  • Capacity 6,5 liter
  • Check 10 hours
  • Change 1200 hours/ 24 months
4055 W (2019- )
  • Use: Normal
  • Capacity 6,5 liter
  • Check 10 hours
  • Change 1200 hours/ 24 months
4060 W (2019- )
  • Use: Normal
  • Capacity 6,5 liter
  • Check 10 hours
  • Change 1200 hours/ 24 months
4080 W (2019- )
  • Use: Normal
  • Capacity 9 liter
  • Check 10 hours
  • Change 1200 hours/ 24 months
4090 W (2019- )
  • Use: Normal
  • Capacity 9 liter
  • Check 10 hours
  • Change 1200 hours/ 24 months
4100 W (2019- )
  • Use: Normal
  • Capacity 9 liter
  • Check 10 hours
  • Change 1200 hours/ 24 months

Additional Notes

  • The Deutz-Fahr Series 4 W coolant system splits into two distinct capacity groups across the lineup. The 4040 W, 4045 W, 4050 W, 4055 W, and 4060 W all share a 6.5-liter cooling system capacity, while the 4080 W, 4090 W, and 4100 W each require 9 liters. The larger capacity in the upper models reflects a greater engine displacement and the increased thermal load that comes with higher output ratings.
  • A 6.5-liter cooling system capacity is a relatively modest figure for agricultural machinery, consistent with smaller four-cylinder engine configurations where the coolant circuit covers the engine block, cylinder head, and associated passages without an extended circuit for additional heat exchangers.
  • The 9-liter capacity found in the 4080 W, 4090 W, and 4100 W represents a 38 percent increase over the lower-tier models. In practical terms, a larger coolant volume helps stabilize operating temperatures under sustained heavy loads, which is a common demand in higher-horsepower tractor applications.
  • All eight variants share an identical coolant check interval of 10 operating hours. A 10-hour check interval is among the shortest in routine service schedules and is typically applied to fluid systems where early detection of leaks or level drops is critical to preventing engine damage.
  • The coolant change interval across all Series 4 W models is set at 1,200 hours or 24 months, whichever comes first. The dual-trigger structure means that calendar time governs the change even when a machine accumulates hours slowly, since coolant additives degrade through chemical aging regardless of operational use.
  • All specifications across the Series 4 W coolant system are designated for normal use conditions. A normal use classification generally reflects standard operating environments without the accelerated degradation factors, such as extreme dust, sustained maximum loads, or temperature extremes, that would otherwise shorten service intervals.
  • The uniform 1,200-hour or 24-month change interval applies consistently across both the 6.5-liter and 9-liter capacity groups, meaning the larger cooling systems in the 4080 W through 4100 W do not carry a different service schedule despite holding more fluid.

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