Caterpillar 3406 — Dipstick Calibration
Adjustments · Lube System
For the Caterpillar 3406, from the Caterpillar owner's manual.
Applies to: Caterpillar 3406
Procedure
- Drain crankcase and install new filters after normal operating temperature reached
- Tighten crankcase drain plug to 70+/-14 N-m (50+/-10 lb ft)
- Add oil per Refill Capacities chart and allow 5 minutes to drain into sump
- Crank engine with filters installed before starting to avoid bearing damage
- Start and run engine to circulate oil and fill filters
- Stop engine, wait 5 minutes, mark ADD level on dipstick if different from actual
- Add specified additional oil quantity (shallow: 3.8 L / deep: 8 L) and mark FULL level
- Restart, run to operating temperature at LOW IDLE, mark opposite side FULL for warm/idle reading
Full service-parts list: Caterpillar 3406 →
Source: Caterpillar owner's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.