Mack Trucks MS Midliner
Mack TrucksClass 6–7

Mack Trucks MS Midliner

Mack's Renault-built medium-duty class entry.

Co-developed with Renault from 1979 and built by RVI in France, the Mid-Liner MS series was Mack's medium-duty Class 6/7 truck (e.g. MS200/MS300), produced into the early 2000s before Mack exited the segment.

Maker
Volvo Group
Years
1979–2001
Body
Medium-Duty
Rating
Up to 33,000 lb GVWR
Power
175–250 hp
Applications
Local delivery, Municipal, Beverage
Engines
Renault/Mack 6-cylinder diesel

Trouble with your MS Midliner?

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Common replacement parts

Real products from the PartsNow catalog. Confirm fitment with Mike before ordering.

3030HNTRX - 3030 SPEC LONG SHAFT HNTRX BRAKE CHAMBER

3030HNTRX

3030HNTRX - 3030 SPEC LONG SHAFT HNTRX BRAKE CHAMBER

OTR10143 - AUTO SLACK ADJUSTER, 11/2-10DRIVE 5.5,6.5

OTR10143

OTR10143 - AUTO SLACK ADJUSTER, 11/2-10DRIVE 5.5,6.5

5-808330 - BRAKE KIT FOR 4709DEN SHOES

5-808330

5-808330 - BRAKE KIT FOR 4709DEN SHOES

370036A - OIL BATH SEAL

370036A

370036A - OIL BATH SEAL

348-4195 - HUB CAP (SENTINAL LARGE DIAM)

348-4195

348-4195 - HUB CAP (SENTINAL LARGE DIAM)

5008414PGBXW - AIR DRYER CARTRIDGE, PURAGUARD

5008414PGBXW

5008414PGBXW - AIR DRYER CARTRIDGE, PURAGUARD

11444 - GLADHAND BRACKET MOUNT

11444

11444 - GLADHAND BRACKET MOUNT

15W40 OIL - 15W40 OIL (ROTELLA) GAL JUG

15W40 OIL

15W40 OIL - 15W40 OIL (ROTELLA) GAL JUG

Brakes & Wheel EndAir SystemFiltrationElectrical & LightingSuspension & SteeringCooling SystemDrivetrainBody & CabExhaust
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Fifth wheel not locking or slipping under load? Step-by-step diagnosis, lube checks, jaw inspection, and rebuild-vs-replace guidance.

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