Class 8 Engine Oil Guides

Know Your Engine.
Know Your Oil.

Oil specs aren't one-size-fits-all. Every Class 8 platform has its own viscosity requirements, drain intervals, and OEM approval list. Select your engine below for capacity tables, API/OEM spec breakdowns, and the right AMSOIL product for the job.

Detroit Diesel

DD13 / DD15 / DD16

GHG17 · EPA10 · DFS 93K222 · FA-4 & CK-4

Live DD13 Guide Oil Capacity Drain Intervals

Cummins

X15 / X12

CES 20086 · Efficiency Series & Performance Series

FA-4 & CK-4 Up to 75k mi Oil Analysis

PACCAR

MX-13 / MX-11

Kenworth & Peterbilt · CK-4 / FA-4 · Up to 75,000 mi

Extended Drain FA-4 Approved

Volvo

D13 / D11

VDS-4.5 · I-Shift · Up to 60,000 mi drain intervals

VDS-4.5 Extended Drain

Mack

MP8 / MP7

EOS-4.5 · mDRIVE · Ultra Low Sulfur Diesel

EOS-4.5 CK-4

International

A26 / N13

Navistar · Up to 70,000 mi · Low NOx Calibration

CK-4 Extended Drain

✓

OEM-Approved Specs

⚙

Engine-Specific Data

⛽

Extended Drain Guidance

🛡

AMSOIL Authorized Dealer

Know Your Engine.Know Your Oil.