Land Rover Series III, 88/109 (EU)

Additional Notes

• Across the Land Rover Series III 88/109 (EU) lineup, the manual transmission fluid capacity is 1.5 liters for the four-cylinder petrol and diesel variants, covering both the 88-inch and 109-inch wheelbases. A 1.5-liter service fill is typical of compact, light-duty manual gearboxes of the era.
• The Series III-V8, 109 (1979-1983) carries a notably higher manual transmission fluid capacity of 2.7 liters under normal road conditions, compared to the 1.5-liter figure shared by all other configurations. The larger capacity reflects the physically bigger gearbox paired with the V8 engine to handle its greater torque output.
• All configurations share a fluid level check interval of every 10,000 km or 6 months, whichever comes first, under normal road conditions. Periodic level checks at this frequency serve to catch gradual fluid loss or contamination before a full drain-and-fill interval is due.
• The fluid change interval across all listed configurations is 40,000 km or 24 months under normal road conditions. A two-year or 40,000 km drain cycle was a common standard for manual gearboxes of this period, balancing fluid degradation from heat and mechanical shear against the relatively low operating temperatures of non-synchromesh or early synchromesh designs.
• The Series III-6, 109 covers the years 1971-1979, while the Series III-V8, 109 spans 1979-1983. Both share the 109-inch wheelbase but differ in engine configuration, and the V8 variant's wider gearbox accounts for the 1.2-liter increase in fluid capacity.
• The four-cylinder petrol Series III in both 88 and 109 body lengths (1971-1985) carries the same 1.5-liter capacity and identical service intervals as the diesel variants of the same years, indicating the same gearbox unit was used across those engine types.