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Read articles โAn L3901 owner walks through his own oil change step by step, covering the two-drain-bolt setup (one per side), where the hidden dipstick lives, why a long funnel saves you from removing the side grill, how to handle the drain bolt washers, and filter installation torque. He references the spec book for capacity (7.1 quarts) and shows the full run-and-recheck routine. Most useful for first-timers on this specific model.
Posted by the Phillip Bridges channel, apparently an L3901 owner sharing his own maintenance experience rather than a dealership or professional technician.
It is hidden on the left side of the tractor. A little dipstick sticks out that you can pull to check the oil level.
There are two drainage bolts, one on each side of the tractor, both loosened with a 19 millimeter socket.
The spec book lists 7.1 quarts or 6.7 liters of oil capacity. The owner added about six and a half quarts, then checked the dipstick.
Hand tighten it on, avoiding cross threading, then once snug tighten a quarter to half turn more so it is not too tight.
