Caterpillar 3406 — Engine Oil and Filter Change
Maintenance · Lube System
For the Caterpillar 3406, from the Caterpillar owner's manual.
Applies to: Caterpillar 3406
Before you start
- Drain oil warm with engine stopped to remove suspended debris
Parts for this job
- 1R1808 Oil filter Amazon eBay $141.00 eBay $59.99 NAPA $45.70 NAPA $45.70 KuduParts $80.00 FridayParts $81.99
Part numbers from the service-parts list for Caterpillar 3406. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Operate engine to normal temperature, then stop and drain crankcase oil
- Remove old oil filter(s); install new filter(s) with oil coated gasket
- Tighten filter until gasket contacts base, then 3/4 turn more by hand
- Tighten crankcase drain plug to 70+/-14 N-m (50+/-10 lb ft)
- Remove oil filler cap and fill crankcase per Refill Capacities chart
- Crank engine to fill filters before starting
- Start engine, circulate oil, then stop and recheck level after 5 minutes
- Add oil to correct level between ADD and FULL marks
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Standard sump 30.5 L (32 qt); deep sump 60 L (63.5 qt)
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.