Ponsse Harvesters

Differential fluid capacity & service interval

Ponsse Harvesters use differential fluid with a capacity range of 12 to 15,5 liters. The service interval for fluid changes is 1200 hours. The data covers 10 configurations.

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

TypeSpecifications
  • Beaver (2001- )
  • Front
  • Use: Normal
  • Capacity 13 liter
  • Change 1200 hours
  • Beaver (2001- )
  • Bogie, rear
  • Use: Normal
  • Capacity 12 liter
  • Change 1200 hours
  • Buffalo Dual (2001- )
  • Bogie, rear
  • Use: Normal
  • Capacity 12 liter
  • Change 1200 hours
  • Ergo (2001- )
  • Front
  • Use: Normal
  • Capacity 15,5 liter
  • Change 1200 hours
  • Ergo (2001- )
  • Bogie, rear
  • Use: Normal
  • Capacity 12 liter
  • Change 1200 hours
  • Beaver ( -2001)
  • Front
  • Use: Normal
  • Capacity 13 liter
  • Change 1200 hours
  • Beaver ( -2001)
  • Bogie, rear
  • Use: Normal
  • Capacity 12 liter
  • Change 1200 hours
  • Buffalo Dual ( -2001)
  • Bogie, rear
  • Use: Normal
  • Capacity 12 liter
  • Change 1200 hours
  • Ergo ( -2001)
  • Front
  • Use: Normal
  • Capacity 15,5 liter
  • Change 1200 hours
  • Ergo ( -2001)
  • Bogie, rear
  • Use: Normal
  • Capacity 12 liter
  • Change 1200 hours

Additional Notes

  • Across all listed Ponsse Harvester configurations, differential fluid changes are specified at 1200-hour intervals under normal use conditions, reflecting the heavy-duty operational cycles typical of forestry machinery.
  • The Ponsse Ergo front differential carries a 15.5-liter capacity, the largest front differential capacity among the listed models, compared to the 13-liter front differential capacity specified for the Beaver.
  • The 13-liter front differential capacity on the Beaver remains consistent across both the pre-2001 and 2001-onward configurations, indicating no change in front differential design between those two production periods.
  • Rear bogie differentials on the Beaver, Buffalo Dual, and Ergo all share a 12-liter capacity, a figure that also remains unchanged across pre-2001 and 2001-onward variants for each model.
  • The Buffalo Dual specifications cover only the rear bogie differentials, with no front differential entry listed, distinguishing its service profile from the Beaver and Ergo which include both front and rear differential capacities.
  • Bogie differentials are a feature of multi-axle forestry machines where paired axles share load across uneven terrain; the 12-liter per-unit capacity listed here applies to the rear bogie assembly on each model.
  • The Ergo front differential capacity of 15.5 liters, combined with the same 1200-hour change interval as smaller-capacity units, means a notably larger volume of fluid is cycled per service event compared to the Beaver front differential.

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