Iseki SGR

Coolant capacity & service interval

Iseki SGR uses coolant with a capacity of 4,1 liters. Service intervals include a check every 10 hours and a change every 12 months. The data covers 4 configurations.

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

TypeSpecifications
SGR 17H (1998- )
  • Use: Normal
  • Capacity 4,1 liter
  • Check 10 hours
  • Change 12 months
SGR 17HU (1998- )
  • Use: Normal
  • Capacity 4,1 liter
  • Check 10 hours
  • Change 12 months
SGR 19HU (1998- )
  • Use: Normal
  • Capacity 4,1 liter
  • Check 10 hours
  • Change 12 months
SGR 22HU (1998- )
  • Use: Normal
  • Capacity 4,1 liter
  • Check 10 hours
  • Change 12 months

Additional Notes

  • Across all four Iseki SGR variants introduced in 1998 — the 17H, 17HU, 19HU, and 22HU — the cooling system capacity is uniformly rated at 4.1 liters, indicating a shared engine cooling architecture despite differences in model designation and horsepower rating.
  • A 4.1-liter coolant capacity is a moderately sized fill for compact utility tractors, consistent with liquid-cooled engines in the sub-25 horsepower class where thermal management demands are relatively contained.
  • The coolant check interval is set at every 10 operating hours under normal use conditions, which is a notably short inspection cycle and reflects the importance of catching early coolant loss or contamination before engine temperature issues develop.
  • The coolant change interval across all four SGR variants is 12 months under normal use conditions, meaning service is tied to calendar time rather than accumulated operating hours, which is common for coolant systems where chemical degradation occurs regardless of machine activity.
  • The SGR 17H and SGR 17HU share identical cooling system specifications at 4.1 liters with the same check and change intervals, suggesting the HU suffix denotes a configuration difference unrelated to the cooling system design.