Sunpower Bus Inc is an active interstate carrier based in Wrentham, MA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Buses (16+) | 17 | 0 | 0 |
| Total Power Units | 17 | ||
Distinct vehicles · 24 mo
vs 17 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 85% | 90% | Worse than most peers |
| HOS Compliance | 87% | 96% | Worse than most peers |
| Driver Fitness | 65% | 88% | Around peer average |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 59% | 86% | Around peer average |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 1 | — | 6.67% |
| Vehicle | 0 | 3 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 8 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 16, 2026 | MA | MOTOR COACH | 0 | 0 |
| Mar 10, 2026 | NJ | MOTOR COACH | 0 | 0 |
| Feb 17, 2026 | MA | MOTOR COACH | 0 | 0 |
| Jan 5, 2026 | MA | MOTOR COACH | 0 | 0 |
| Dec 4, 2025 | MA | MOTOR COACH |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 2.00 | — |
| HOS Compliance | 1 | 0.01 | — |
| Vehicle Maintenance | 7 | 0.95 | — |
| Driver Fitness | 1 | 0.13 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 4 states. Top state MA accounts for 56% of activity. Activity outside home state (MA): 44%.
| 4 |
| 3 |
| Driver Fitness | 1 | 0 | 1 |
| Hours-of-Service Compliance | 1 | 0 | 0 |
| Unsafe Driving | 1 | 1 | 0 |
| 0 |
| 0 |
| Nov 17, 2025 | MA | MOTOR COACH | 0 | 0 |
| Nov 15, 2025 | CT | MOTOR COACH | 1 | 0 |
| Oct 21, 2025 | MA | MOTOR COACH | 0 | 0 |
| Sep 16, 2025 | MA | MOTOR COACH | 0 | 0 |
| Sep 9, 2025 | MA | MOTOR COACH | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Nov 15, 2025 | 3922SLLS4 | State/Local Laws - Speeding 15 or more miles per hour over the speed limit | Unsafe Driving | — |
| Sep 9, 2025 | 3939ALSML | Lighting - Side marker lamp(s) inoperative | Vehicle Maintenance | — |
| Aug 29, 2025 | 39362BENM | Buses - Required emergency exit not properly marked. (does not convey message) | Vehicle Maintenance | — |
| Aug 25, 2025 | 3939ALTSI | Lighting - Turn signal - Any inoperative on the rearmost vehicle. | Vehicle Maintenance | Yes |
| Aug 8, 2025 | 39111B2Q | Driver cannot satisfy the English language proficiency requirements of 391.11(b)(2) as per FMCSA Enforcement Guidance Memo MC-SEE-2025-0001. Driver failed the I | Driver Fitness | Yes |
| Aug 5, 2025 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| May 2, 2025 | 393209DSTBSP | Steering - Ball and socket joint has movement greater than 1/8 inch measured with hand pressure | Vehicle Maintenance | Yes |
| May 2, 2025 | 393209ESTPSD | Steering - Power steering components loose/broken | Vehicle Maintenance | — |
| Oct 17, 2024 | 39530B1ELDDFR | HOS (ELD) - Driver failing to review records and certify the accuracy of the information. | Hours-of-Service Compliance | — |
| Oct 8, 2024 | 3965BHWSL | Hubs - Wheel seal leaking | Vehicle Maintenance | Yes |