Insights · 6 Topics. Real Data.

What We Know.
What Works.

Field notes from our shop floor in Otay Mesa. Sourced data, real fault codes, and lessons from 25+ years on Cummins, Detroit, PACCAR, and Volvo. No keyboard-mechanic guessing.

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6

Specialized Tracks

25+

Years On The Floor

100%

Sourced. No B.S.

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Pick Your Lane.

Six tracks, one shop. Pick the topic that matches your operation and start reading.

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Fleet Maintenance

PM intervals, A/B/C service schedules, and what good fleet hygiene actually costs per mile.

PM A/B/C Service Cost/Mile Uptime
02 Diagnostics

Fault Codes & ECM

SPN/FMI breakdowns, regen lockouts, sensor failures — what the codes actually mean.

SPN/FMI Regen Sensors ECM
03 Compliance

DOT & CARB

California regs, CVSA inspections, out-of-service violations, aftertreatment law.

CARB DOT CVSA BIT
04 Owner-Op

Owner-Operator

Cost-per-mile, repair vs replace, vendor selection — running a one-truck operation right.

CPM Vendor Cash Flow
05 Shop Ops

Shop Playbook

Running a successful diesel shop — pricing, hiring, parts strategy, lessons from our floor.

Pricing Hiring Parts SOPs
06 Cost & Ops

Cost & Operations

Financing, AR, parts sourcing, shop economics — the business side of keeping trucks moving.

AR Financing Margin