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BIZBITE

Mobile Diesel Truck Repair

Roadside uptime for fleets that lose money by the hour

Bottom line

Worth studying, but do not buy without strong local proof.

Mobile diesel truck repair companies send equipped technicians to yards, loading docks, construction sites, and roadside breakdowns to diagnose and fix heavy-duty trucks without dragging them into a shop. The surprising angle is that downtime is so expensive for fleets that buyers are often paying for speed, response time, and technician availability more than the cheapest hourly rate.

60
Acquisition score
Strong

Avg Revenue

$900K

Profit Margin

24%

Acquisition Multiple

2.2x - 3.5x

Startup Cost

$75K - $300K

How It Works

A dispatcher books fleet maintenance, DOT fixes, diagnostics, brakes, electrical issues, aftertreatment work, and emergency calls. Revenue comes from labor hours, call-out fees, parts markup, preventive maintenance contracts, and priority fleet accounts. Route density around warehouses, ports, intermodal yards, and construction corridors is the margin lever.

Revenue Range

Low End
$300K
Typical
$900K
High End
$2.5M

BizBite underwriting snapshot

Pass for now

Mobile Diesel Truck Repair has enough high-level data for a first look, but BizBite has not assigned a category-specific operating model yet. Treat the score as preliminary.

27
Avoid / 100
Data confidence
low
40/100
Financing fit
medium

Category-level fit before lender-specific diligence.

Confidence cap
58

Weak source data caps the final score.

Why it may work

  • No strong positives yet. More verified data needed.

Be careful

  • !Source link status has not been verified yet
  • !No last-checked date yet
  • !No SBA category enrichment yet
  • !No category operating model yet
  • !Low data confidence

Pros

  • +Fleets pay premium rates when a truck is stuck and revenue is leaking
  • +Lower fixed overhead than a multi-bay diesel repair facility
  • +Preventive maintenance contracts can smooth emergency-call volatility
  • +Parts markup and shop-supply fees add meaningful gross profit

Cons

  • -Finding and retaining skilled diesel technicians is the whole business
  • -Emergency calls create nights, weekends, and weather exposure
  • -Service trucks, diagnostics, insurance, and parts inventory are capital intensive

Best For

Mechanic-led operators or fleet-service buyers who can recruit technicians and sell recurring uptime programs to local fleets

Operating Costs

Major costs are technician wages, service trucks, diagnostic software, insurance, fuel, parts inventory, and dispatch. 2026 heavy-duty repair sources point to 20-30% gross-to-net profit ranges for well-run truck repair operations, with valuation examples around 2.3x-3.2x SDE depending on scale, systems, and owner dependency.

SBA Financing Estimator

Adjust the deal — see if it cash flows after debt service

$-7988/mo
after debt service
Deal price — $2.5M
Range: $1.5M (2.2×) to $4.0M (3.5×+)
Down payment — 15% ($378K)
SBA minimum equity injection is 10% for change-of-ownership
Interest rate — 8.00%
Current prime-based SBA rates: 7.5–10.5%
Loan term — 10 years (120 mo)
Standard SBA 7(a): 10 years for business acquisition
Down payment
$378K
15% equity injection
Loan amount
$2.1M
85% SBA-financed
Monthly payment
$26K/mo
$977K total interest
Monthly profit
$18K/mo
at 24% margin
Monthly cash flow after debt service
$-7988/mo
Margin does not cover debt service at these terms. Lower the deal price, increase the down payment, or extend the loan term.

Estimates only. Excludes owner compensation, capex, working capital draws, and taxes. Margin assumes average occupancy and volume. Actual SBA terms vary by lender and borrower profile.

Where to Buy

Heavy Duty Journal - Mobile Diesel Repair Roadmap

2026 roadmap covering utilization targets, startup path, and margin drivers for mobile diesel repair

NTTR Directory - Truck Repair Overhead

Truck repair overhead and profitability benchmark noting 20-30% gross profit margin ranges

Heavy Duty Journal - Truck Repair Valuation

Valuation examples for truck repair shops using SDE multiples from roughly 2.3x to 3.2x

60/100Strong

Acquisition Score

Profit margin
16/30
Entry multiple
23/25
Market depth
8/20
Risk (charge-off)
8/15
Deal momentum
5/10

Scores margin (30), entry multiple (25), SBA market depth (20), category risk (15), and deal momentum (10). Higher = better acquisition candidate.

Quick Facts

Category
service
Difficulty
4/5
Buy price
$2.0M$3.1M

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via Heavy Duty Journal - Mobile Diesel Repair Roadmap
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