Komatsu Forklift trucks, diesel - Tusk DX20 series

Coolant capacity & service interval

Komatsu Forklift trucks, diesel - Tusk DX20 series require coolant with a capacity range of 9,5 to 17 liters. Service intervals include checking every 8 hours and changing every 6 months or 1200 hours. The data covers 5 configurations.

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

TypeSpecifications
1320PD-10, Komatsu SAA4D95LE-5-A (55001 ->)
  • Use: Normal
  • Capacity 9,5 liter
  • Check 8 hours
  • Change 6 months/ 1200 hours
1540PD-10, Komatsu SAA4D95LE-5-A (55001 ->)
  • Use: Normal
  • Capacity 9,5 liter
  • Check 8 hours
  • Change 6 months/ 1200 hours
1540PD-8, Komatsu S6D102E (46001 ->)
  • Use: Normal
  • Capacity 17 liter
  • Check 8 hours
  • Change 6 months/ 1200 hours
1800PD-10, Komatsu SAA4D95LE-5-A (55001 ->)
  • Use: Normal
  • Capacity 9,5 liter
  • Check 8 hours
  • Change 6 months/ 1200 hours
1800PD-8, Komatsu SA6D102E (46001 ->)
  • Use: Normal
  • Capacity 17 liter
  • Check 8 hours
  • Change 6 months/ 1200 hours

Additional Notes

  • The Komatsu Tusk DX20 series cooling system capacities fall into two distinct groups across the listed configurations: 9.5 liters for units fitted with the SAA4D95LE-5-A four-cylinder engine, and 17 liters for units fitted with the S6D102E and SA6D102E six-cylinder engines. The larger capacity of the six-cylinder configurations reflects the greater total coolant volume required by a longer engine block with more cylinders.
  • The 1320PD-10, 1540PD-10, and 1800PD-10 models all share the Komatsu SAA4D95LE-5-A engine and the corresponding 9.5-liter cooling system capacity, indicating a common engine platform across those three load-class variants within the series.
  • The 1540PD-8 and 1800PD-8 configurations carry a 17-liter cooling system capacity, nearly 79% more coolant volume than the SAA4D95LE-5-A-equipped models. A larger coolant volume generally supports greater heat dissipation capacity, consistent with the demands of a six-cylinder diesel engine in heavy-duty lift applications.
  • All five configurations share an identical check interval of every 8 hours of operation under normal use conditions. An 8-hour interval corresponds to a single standard work shift, meaning coolant level verification is scheduled at the start or end of each shift.
  • The coolant change interval across all listed configurations is 6 months or 1,200 hours under normal use conditions, whichever comes first. The dual-trigger format accounts for both calendar-based degradation of coolant additives and operating-hour-based thermal cycling wear.
  • The serial number threshold of 55001 applies to the SAA4D95LE-5-A-equipped models (1320PD-10, 1540PD-10, and 1800PD-10), while the S6D102E and SA6D102E models reference a starting serial number of 46001. These thresholds indicate the production points from which the listed specifications apply.
  • The distinction between the S6D102E in the 1540PD-8 and the SA6D102E in the 1800PD-8 reflects a variant difference within the same engine family. Both share the 17-liter cooling system capacity and identical service intervals, suggesting closely related thermal management requirements despite the variant designation difference.

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