Equipment unit · VIN-decoded · NHTSA vPIC

2013 Mack CHU (Pinnacle)

1M1AN07Y1DM013677 · Truck-Tractor · TRUCK
Carriers run under2
32 mo
Inspections28
all-time
OOS inspections8
of 28
First seenSep 29, 2023
TX
Last seenMay 25, 2026
TX
Inspected under 2 different carriers in 32 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1M1AN07Y1DM013677
Make
Mack
Model
CHU (Pinnacle)
Model year
2013
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 14, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1M1

Deterministic · VIN positions 1–3.

Vehicle descriptor section
AN07Y

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1983 or 2013

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
013677

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
MACK

Prefix basis · 1,371 decoded VINs at 100.0% prefix purity.

Model
CHU (Pinnacle)

Prefix basis · 1,371 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2013

Observed directly for this VIN via NHTSA vPIC.

Observed make
MACK

Observed directly for this VIN via NHTSA vPIC.

Observed model
CHU (Pinnacle)

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

Observed directly for this VIN via NHTSA vPIC.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Sep 29, 2023 – May 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 25, 2026TXI · Full1TARIN TRANSPORTE S A DE C V 333726733ET6L/MX
May 22, 2026TXI · Full4TARIN TRANSPORTE S A DE C V 333726733ET6L/MX
May 14, 2026TXII · Walk-around1TARIN TRANSPORTE S A DE C V 333726733ET6L/MX
May 12, 2026TXII · Walk-around1TARIN TRANSPORTE S A DE C V 333726733ET6L/MX
May 5, 2026TXII · Walk-around1TARIN TRANSPORTE S A DE C V 333726733ET6L/MX
Apr 28, 2026TXII · Walk-around10OOSTARIN TRANSPORTE S A DE C V 333726733ET6L/MX
Apr 24, 2026TXII · Walk-around0TARIN TRANSPORTE S A DE C V 333726733ET6L/MX
Mar 10, 2026TXII · Walk-around1TARIN TRANSPORTE S A DE C V 333726733ET6L/MX
Mar 6, 2026TXI · Full5TARIN TRANSPORTE S A DE C V 333726733ET6L/MX
Feb 14, 2026USII · Walk-around2TARIN TRANSPORTE S A DE C V 333726733ET6L/MX
Feb 11, 2026TXII · Walk-around1TARIN TRANSPORTE S A DE C V 333726733ET6L/MX
Feb 4, 2026TXI · Full4OOSTARIN TRANSPORTE S A DE C V 333726733ET6L/MX
Jan 30, 2026TXII · Walk-around2OOSTARIN TRANSPORTE S A DE C V 333726733ET6L/MX
Jan 15, 2026TXII · Walk-around5TARIN TRANSPORTE S A DE C V 333726733ET6L/MX
Nov 4, 2025TXII · Walk-around3TARIN TRANSPORTE S A DE C V 3337267179SS7/MX
Oct 30, 2025TXII · Walk-around4TARIN TRANSPORTE S A DE C V 3337267179SS7/MX
Oct 3, 2025TXII · Walk-around6TARIN TRANSPORTE S A DE C V 3337267179SS7/MX
Aug 28, 2025USII · Walk-around5OOSTARIN TRANSPORTE S A DE C V 3337267179SS7/MX
Jul 30, 2025TXII · Walk-around7OOSTARIN TRANSPORTE S A DE C V 3337267179SS7/MX
Jul 11, 2025TXII · Walk-around2TARIN TRANSPORTE S A DE C V 3337267179SS7/MX
Jul 11, 2025USI · Full8TARIN TRANSPORTE S A DE C V 3337267179SS7/MX
Apr 3, 2024TXII · Walk-around2TAVAR LLC 2266810179SS7/MX
Dec 29, 2023TXII · Walk-around2OOSTAVAR LLC 226681041Y273V/TX
Nov 15, 2023TXII · Walk-around2TAVAR LLC 22668101M83428/MX
Nov 10, 2023TXII · Walk-around2OOSTAVAR LLC 2266810179SS7/MX
Oct 16, 2023TXII · Walk-around4TAVAR LLC 226681095T314M/TX
Oct 4, 2023TXII · Walk-around1TAVAR LLC 22668101M83428/TX
Sep 29, 2023TXII · Walk-around1OOSTAVAR LLC 2266810179SS7/MX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TARIN TRANSPORTE S A DE C V3337267Jul 11, 2025May 25, 202621CH
TAVAR LLC2266810Sep 29, 2023Apr 3, 20247TX
Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.
04

Plate & unit-number history

The same truck under different plate registrations across carriers

PlateState / prov.Unit no.CarrierDate rangeInsp.
33ET6LMXTARIN TRANSPORTE S A DE C VJan 15, 2026May 25, 202614
179SS7MXTARIN TRANSPORTE S A DE C VJul 11, 2025Nov 4, 20257
179SS7MXTAVAR LLCSep 29, 2023Apr 3, 20243
41Y273VTXTAVAR LLCDec 29, 2023Dec 29, 20231
1M83428MXTAVAR LLCNov 15, 2023Nov 15, 20231
95T314MTXTAVAR LLCOct 16, 2023Oct 16, 20231
1M83428TXTAVAR LLCOct 4, 2023Oct 4, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026