Heavy Diesel Oil & Coolant Capacity Directory | Fleet Specs
Verified OEM engine oil capacities, sump volumes, filter specs, and drain plug torque for Cummins, Detroit, Cat, and PACCAR heavy commercial diesels.
Heavy Duty Oil Sump Capacities, Deep vs Shallow Pans & Viscosity Standards
Heavy duty diesel engines equipped with Selective Catalytic Reduction (SCR) and Diesel Particulate Filters (DPF) mandate API CK-4 or FA-4 low-SAPS engine oils. Pre-fill replacement oil filter canisters with clean engine oil before spinning on to prevent dry-start bearing cavitation.
Always verify oil dipstick levels after running the engine for 5 minutes at idle and allowing a 15-minute drain-back period on level ground. Extreme cold climate operations require SAE 5W-40 or 0W-40 synthetic formulations.
Master Heavy Diesel Sump & Coolant Fill Comparison Chart
| Engine | Standard Sump | Deep Sump | Filter Fill | Viscosity | Coolant Total | Details |
|---|---|---|---|---|---|---|
| Cummins ISX15 / X15 | 11 Gal (44 Qts) | 13 Gal (52 Qts) | +4 Qts | 15W-40 (CK-4) / 10W-30 (FA-4 for GHG17+) | 13.5 Gal | View Specs → |
| Detroit Diesel DD15 (GHG14 / GHG17 / Gen 5) | 11.25 Gal (45 Qts) | 11.75 Gal (47 Qts) | +3.5 Qts | 15W-40 (DFS 93K222) / 10W-30 (DFS 93K223 Fuel Economy) | 12 Gal | View Specs → |
| Caterpillar C15 & C15 ACERT (6NZ / BXS / MXS) | 10 Gal (40 Qts) | 11 Gal (44 Qts) | +4 Qts | 15W-40 (Cat DEO-ULS CK-4) | 14 Gal | View Specs → |
| PACCAR MX-13 (EPA10 / EPA13 / EPA17 / EPA21) | 10.5 Gal (42 Qts) | 11 Gal (44 Qts) | +3 Qts | 10W-30 (PACCAR Engine Oil Spec) / 15W-40 (CK-4) | 11.5 Gal | View Specs → |
| Detroit Diesel DD13 | 10 Gal (40 Qts) | 10.5 Gal (42 Qts) | +3 Qts | 15W-40 / 10W-30 (DFS 93K222 / 93K223) | 11 Gal | View Specs → |
| Caterpillar 3406E (5EK / 2WS / 1MM) | 10 Gal (40 Qts) | 11 Gal (44 Qts) | +4 Qts | 15W-40 (Cat DEO CK-4) | 13.5 Gal | View Specs → |
| Detroit Diesel DD16 (Heavy Haul 600 HP) | 11.5 Gal (46 Qts) | 12 Gal (48 Qts) | +4 Qts | 15W-40 (DFS 93K222) / 10W-30 (DFS 93K223) | 13 Gal | View Specs → |
| Detroit Diesel Series 60 (12.7L / 14.0L) | 8 Gal (32 Qts) | 9.5 Gal (38 Qts) | +4 Qts | 15W-40 CK-4 / 10W-30 | 12.5 Gal | In Master Tool |
| Volvo D13 / Mack MP8 (12.8L) | 9.5 Gal (38 Qts) | 11 Gal (44 Qts) | +4 Qts | 10W-30 (VDS-4.5) / 15W-40 CK-4 | 13 Gal | In Master Tool |
| Cummins B6.7 / ISB6.7 (Medium-Duty) | 3.75 Gal (15 Qts) | 4.5 Gal (18 Qts) | +1 Qts | 15W-40 CK-4 / 5W-40 Full Synthetic | 7.5 Gal | In Master Tool |
| Navistar International DT466 / DT466E (7.6L) | 7 Gal (28 Qts) | 7.5 Gal (30 Qts) | +2 Qts | 15W-40 CK-4 | 8.5 Gal | In Master Tool |
| Caterpillar C7 / C7 ACERT (7.2L) | 7 Gal (28 Qts) | 8 Gal (32 Qts) | +2 Qts | 15W-40 CK-4 / CAT DEO-ULS | 8 Gal | In Master Tool |
| Cummins N14 / N14 Celect Plus (14.0L) | 9 Gal (36 Qts) | 11 Gal (44 Qts) | +4 Qts | 15W-40 CK-4 | 13 Gal | In Master Tool |
| Caterpillar C12 (12.0L) | 9 Gal (36 Qts) | 10 Gal (40 Qts) | +4 Qts | 15W-40 CK-4 / 10W-30 | 12 Gal | In Master Tool |
| Caterpillar C13 / C13 ACERT (12.5L) | 9 Gal (36 Qts) | 10.5 Gal (42 Qts) | +4 Qts | 15W-40 CK-4 / CAT DEO-ULS | 12.5 Gal | In Master Tool |
| Cummins L9 / ISL9 (8.9L Vocational) | 6 Gal (24 Qts) | 7 Gal (28 Qts) | +2 Qts | 15W-40 CK-4 / 10W-30 | 9 Gal | In Master Tool |
| PACCAR MX-11 (10.8L) | 9 Gal (36 Qts) | 10 Gal (40 Qts) | +4 Qts | 10W-30 CK-4 / 15W-40 | 12 Gal | In Master Tool |
| Cummins 5.9L 24-Valve / CR (ISB5.9) | 2.75 Gal (11 Qts) | 3 Gal (12 Qts) | +1 Qts | 15W-40 CK-4 / 5W-40 Synthetic | 6.5 Gal | In Master Tool |
| Caterpillar 3406B / 3406C Mechanical (14.6L) | 9 Gal (36 Qts) | 10 Gal (40 Qts) | +4 Qts | 15W-40 CK-4 / CAT DEO | 13.5 Gal | In Master Tool |
| Mercedes-Benz MBE 4000 / Detroit MBE4000 (12.8L) | 9.5 Gal (38 Qts) | 10.75 Gal (43 Qts) | +4 Qts | 15W-40 CK-4 / MB 228.31 / MB 228.51 | 12.5 Gal | In Master Tool |
Commercial Fleet Pre-Fill Filter Protocols & Dry-Start Protection
Modern heavy-duty diesel engines equipped with Exhaust Gas Recirculation (EGR), Diesel Particulate Filters (DPF), and Selective Catalytic Reduction (SCR) require API CK-4 or FA-4 low-ash engine oils to prevent premature emissions system fouling and maintain high thermal shear stability under extreme torque loads.
Always pre-fill new replacement oil filter canisters with clean, filtered engine oil prior to spin-on installation to eliminate dry-start cavitation and prevent momentary crankshaft bearing starvation. After completing the oil fill, idle the engine for 5 minutes to circulate lubricant through the oil cooler and turbocharger feed lines. Shut down the engine and allow a 15-minute drain-back interval on level ground before taking the final dipstick reading.
Frequently Asked Questions & OEM Service Guidelines
Verified answers according to official factory service literature and heavy-duty maintenance procedures:
Q: How do I calculate Diesel Exhaust Fluid (DEF) consumption?
Modern EPA10-EPA24 heavy diesel Selective Catalytic Reduction (SCR) systems consume DEF at a rate of 2.0% to 3.0% of total diesel fuel burned (approximately 2 to 3 gallons of DEF per 100 gallons of fuel).
Q: How do I test a J1939 CAN bus datalink circuit with a multimeter?
With vehicle batteries disconnected, measure resistance across diagnostic port pins C (CAN-Hi) and D (CAN-Low). A healthy circuit with both 120-ohm terminating resistors intact will read exactly 60 ohms (+/- 3 ohms).
Related Heavy Diesel Engineering Tools
Cross-reference other factory specifications and diagnostic tools for commercial diesel engines: