S and K Stack Testing INC Safety Record

DOT# 2266519 · Watford City, ND 58854 · 7017706920

B

Good safety record — scored 30/100. Below-average out-of-service rates and few crashes.

Last inspected 09/20/2025

Grade based on FMCSA inspection, crash, and violation data. See methodology →

Vehicle OOS Rate 10/30 pts
Driver OOS Rate 20/20 pts
Crash Rate 0/30 pts
Fatal Crash Penalty 0/20 pts

Lower scores are better. How is this calculated?

According to FMCSA records, S and K Stack Testing INC (DOT# 2266519) in Watford City, North Dakota has 10 inspections on record with 13 violations and a 20.0% vehicle out-of-service rate. Safety grade: B.

10 Inspections
20.0% Vehicle OOS Rate
0 Crashes
16 Power Units

An out-of-service (OOS) violation means a vehicle or driver was found unsafe to operate during a roadside inspection and was prohibited from continuing until the issue was corrected.

Vehicle OOS Rate 20.0%
Carrier: 20.0% (2 of 10) National: 23.2%
Driver OOS Rate 20.0%
Carrier: 20.0% (2 of 10) National: 6.4%
47% OOS rate better than 47% of carriers in North Dakota
27% crash rate better than 27% of carriers in North Dakota

FMCSA groups violations into Behavioral Analysis and Safety Improvement Categories (BASICs). Each violation found during a roadside inspection is classified into a category that reflects the type of safety risk.

13 total violations across 10 inspections
4 violations resulted in out-of-service orders (31%)
Vehicle Maintenance
9
Unsafe Driving
2
Driver Fitness
2

FMCSA inspections range from Level 1 (full vehicle and driver examination) to Level 6 (enhanced motorcoach inspection). Level 1 is the most thorough; Levels 2 and 3 are walk-around and driver-only checks.

Inspected across 2 states: CO, ND
Level 1: 3 (30%) Level 2: 3 (30%) Level 3: 4 (40%)
1 of 5 recent inspections had vehicle out-of-service violations
Date State Level Veh OOS Drv OOS
09/20/2025 ND 1 2 0
08/27/2025 ND 2 0 0
06/17/2025 ND 2 0 0
10/21/2024 ND 3 0 0
09/13/2024 ND 3 0 0
09/04/2024 ND 1 0 1
03/05/2024 ND 3 0 0
08/22/2023 CO 3 0 1
07/27/2023 ND 1 0 0
04/25/2023 ND 2 0 0

Power units include trucks, tractors, and other commercial motor vehicles registered to the carrier. Driver count reflects the total number of drivers reported on the carrier's MCS-150 filing.

Power Units 16
Drivers 13
Fleet Size Small Fleet
Operation Type Interstate
Hazmat No
Operating Since 01/25/2012
MCS-150 Filed 20260127 0
Annual Mileage (MCS-150) 243,776
Address 2653 128th Ave Nw, Watford City, ND 58854