Class 7 & 8 diesel knowledge, on demand.
Torque gives techs, fleet owners, and owner-operators the specs, torque sequences, and fault diagnostics for heavy-duty diesel engines — searchable in one place.
What every Torque member can count on
We're building this for the shop floor — here's our commitment to you from day one.
Verified specs, not guesses
Every torque value, clearance, and procedure is sourced from OEM service data and cross-checked.
No paywalled basics
Core engine references stay free. Membership unlocks depth — never the fundamentals you need on the job.
Updated as engines change
New model years, recalls, and field notes get added continuously — your reference never goes stale.
Engine data built for class 7 & 8
Detroit, Cummins, PACCAR, Volvo, Mack — pull up the right torque spec, injector setting, or fault code without digging through a binder. Built for the bays where uptime is money.
- Torque sequences and head-bolt procedures
- Fault code lookups with likely causes
- Fluid capacities, clearances & service intervals
How members use Torque
- 01
Search by engine or symptom
Type the engine family or a fault code and get straight to the answer.
- 02
Pull the exact procedure
Step-by-step specs and sequences sized for the truck in your bay.
- 03
Get the truck rolling
Verified data means fewer comebacks and less guesswork on the floor.
Stop digging through binders.
Join Torque and get class 7 & 8 diesel engine data the moment you need it.