Toyota Land Cruiser 60, J6 (EU)

Additional Notes

• Across all three engine variants of the Toyota Land Cruiser 60, J6 (EU) covered here — the 3.4 D (BJ6), 4.0 D (HJ6), and 4.2 (FJ6) — the front differential fluid capacity is uniformly specified at 3 liters, while the rear differential holds 2.5 liters.
• The 0.5-liter difference between the front and rear differentials is consistent across all three variants for 1985-1990, indicating a structural distinction between the two axle assemblies rather than an engine-dependent variable.
• Under normal use conditions, the front differential interval for all three variants is listed as a check at 24,000 km or 18 months, whichever comes first. A check interval means the fluid level and condition are inspected but not necessarily replaced.
• Under severe use conditions, the same 24,000 km / 18-month interval applies to the front differential, but the service action changes from a check to a full fluid change. The interval distance and time remain identical; only the required action differs.
• The rear differential follows the same pattern: a check at 24,000 km / 18 months under normal use, and a full fluid change at the same interval under severe use, across all three engine variants.
• The dual-unit interval structure — combining a kilometer threshold with a calendar limit of 18 months — means whichever threshold is reached first triggers the service, which is relevant for vehicles used infrequently where time may accumulate faster than mileage.
• The front differential capacity of 3 liters applies equally to the petrol-powered 4.2 FJ6 and both diesel variants, confirming the front axle assembly specification is shared regardless of engine type within the 1985-1990 J6 range.