Mack · Class 8 on-highway tractor

Mack Anthem 64TMack MP8, 12.8 L / 13.0 L

Built 2018-2026 Engine Mack MP8, 12.8 L / 13.0 L Sources checked 113 of 131 (86%)

What it is

Mack's highway tractor, built around the MP8 engine and the mDRIVE automated transmission. Mack publishes a fairly short 25,000-mile highway oil interval.

Pick a folder

Fluids & Fill Amounts7 entries Bolt Tightness50 entries When to Service11 entries Warning Lights & Codes30 entries How to Fix It79 entries

The truck itself

Configuration

Inline 6, 12.8 L (13.0 L in some markets)

Horsepower

435-535 hp

Peak torque

1,655-1,920 lb-ft

Engine brake

Mack PowerLeash, up to 495 hp retarding

Emissions

eSCR with DPF and SCR

Transmission

Mack mDRIVE 12-speed automated (mDRIVE HD 13-speed optional)

Front axle

Mack FXL 14.6 (14,600 lb)

Rear axle

Meritor RT46-160GP 46k or MT40-14XGP 40k

Weight class

Class 8 - 40,000-46,000 lb tandem rear

Before you order anything

Options change the numbers

Engine oil capacity is published as 44 qt (42 L) for the MP8 in Mack's body builder instructions. Some third-party charts list 40 qt, so check the engine label.

Printables for this truck

Shop floor

Remove & Replace Packet

79 procedures with their own torque, one per page.

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Electrical

Wiring Diagrams

33 circuits with fuse positions, pins and schematics.

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