Hidromek Wheeled excavators

Differential fluid capacity & service interval

Hidromek wheeled excavators require differential fluid with a capacity range of 9 to 16 liters. The service interval for fluid changes is 2000 hours. The data covers 6 configurations.

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

TypeSpecifications
  • HMK 140W (2011- )
  • Front
  • Use: Normal
  • Capacity 9 liter
  • Change 2000 hours
  • HMK 140W (2011- )
  • Rear
  • Use: Normal
  • Capacity 11,2 liter
  • Change 2000 hours
  • HMK 150W (2011- )
  • Front
  • Use: Normal
  • Capacity 9 liter
  • Change 2000 hours
  • HMK 150W (2011- )
  • Rear
  • Use: Normal
  • Capacity 11,2 liter
  • Change 2000 hours
  • HMK 200W (2011- )
  • Front
  • Use: Normal
  • Capacity 14 liter
  • Change 2000 hours
  • HMK 200W (2011- )
  • Rear
  • Use: Normal
  • Capacity 16 liter
  • Change 2000 hours

Additional Notes

  • Across all three Hidromek wheeled excavator models in the specifications, the rear differential holds more fluid than the front differential, with the gap ranging from 2.2 liters on the HMK 140W and HMK 150W to 2 liters on the HMK 200W.
  • The Hidromek HMK 140W carries 9 liters in the front differential and 11.2 liters in the rear differential, both figures representing service fill capacities under normal use conditions.
  • The HMK 150W shares identical front and rear differential capacities with the HMK 140W, at 9 liters and 11.2 liters respectively, despite being a distinct model designation.
  • The HMK 200W front differential capacity of 14 liters is notably higher than the 9-liter front differential capacity found on both the HMK 140W and HMK 150W, reflecting the larger scale of the 200W platform.
  • The HMK 200W rear differential holds 16 liters, which is the largest single differential fluid capacity across all six rows in the specifications.
  • All six differential positions across the HMK 140W, HMK 150W, and HMK 200W share a uniform change interval of 2000 hours under normal use conditions, indicating a consistent service schedule regardless of differential position or model size.
  • A 2000-hour change interval for differential fluid is a relatively extended service period, consistent with heavy equipment operating cycles where machine hours rather than calendar time govern maintenance scheduling.

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