Oil & Coolant Capacities Verified Factory Specs

Heavy Commercial Diesel Engine Oil & Coolant Capacity Master Directory

Verified OEM engine oil capacities, standard vs deep sump pan volumes, filter change quantities, drain plug torque specs, and coolant system capacities for Cummins, Detroit, Caterpillar, and PACCAR heavy diesel engines.

Select Commercial Diesel Engine

Include Filter Fill (+4 Qts)

Total Engine Oil Fill Volume Required

12Gallons/48Quarts

Metric Equivalent: 45.4 Liters

Recommended Viscosity:15W-40 (CK-4) / 10W-30 (FA-4 for GHG17+)

OEM Filter Part:Fleetguard LF14000NN

Drain Plug Torque:70 ft-lbs (95 N·m)

Coolant System Capacity:Engine Block Only: 5.5 Gal | Typical Chassis Complete Fill: 13.5 Gal (51.1 L)

Type: Heavy-Duty Extended Life OAT (Red/Nitrite-Free)

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 →

Related Heavy Diesel Engineering Tools

Cross-reference other factory specifications and diagnostic tools for commercial diesel engines:

Pillar 3 →

Valve Lash & Overhead

Intake, exhaust, & Jake brake clearances.

Pillar 1 →

Oil & Coolant Sump

Standard vs deep pan fill volumes.

Pillar 4 →

Head Bolt Torque

Torque-to-yield angle stages & sequences.

Pillar 2 →

SPN Fault Code Lookup

J1939 fault diagnostics & sensor pins.

Technical Reference Citation: Cummins, Detroit Diesel, Caterpillar, PACCAR OEM Workshop Specifications

View Engineering Methodology & Standards →