US importer / certificate holder
Who actually makes Mars Carts Inc.?
Mars Carts Inc. did not use one factory. Across 2021–2026 the engines came from 2 different Chinese manufacturers — so the answer depends on your model year.
- Model years
- 2021–2026
- Engine factories
- 2
- Engine families
- 30
- Models certified
- 56
The factory changed. Here is when.
| Model year | Engine factory on the certificate |
|---|---|
| 2026 | Taizhou Handa Engine Science Co., Ltd. · Taizhou Nebula Power Co., Ltd |
| 2025 | Taizhou Nebula Power Co., Ltd |
| 2024 | Taizhou Nebula Power Co., Ltd |
| 2023 | Taizhou Nebula Power Co., Ltd |
| 2022 | Taizhou Nebula Power Co., Ltd |
| 2021 | Taizhou Nebula Power Co., Ltd |
Other American badges on the same engines
These machines came out of the same factory at the same engine size. If Mars Carts Inc. parts are hard to find, these are where to look next — after measuring.
Engine families certified to Mars Carts Inc.
The engine family number is printed on the emission label on your machine. Match yours here to pin down the exact record.
| Engine family | Years | Displacement | Models |
|---|---|---|---|
| MMCIX.391XY3 | 2021 | 372, 390.8cc | 15 |
| NMCIX.177XY2 | 2022 | 177cc | 15 |
| NMCIX.391XY3 | 2022 | 372, 390.8cc | 15 |
| PMCIX.177XY2 | 2023 | 177cc | 15 |
| PMCIX.391XY3 | 2023 | 372, 390.8cc | 17 |
| RMCIX.177XY2 | 2024 | 177cc | 15 |
| RMCIX.391ATA | 2024 | 372, 391cc | 17 |
| RMCIX.391XY3 | 2024 | 372, 390.8cc | 17 |
| SMCIX.177XY2 | 2025 | 177cc | 15 |
| SMCIX.391ATA | 2025 | 372, 391cc | 17 |
| SMCIX.391XY3 | 2025 | 372, 390.8cc | 18 |
| TMCIX.177XY2 | 2026 | 177cc | 16 |
| TMCIX.391XY3 | 2026 | 372, 390.8cc | 18 |
13 of this brand's 30 engine families have 15 or more certified models and carry their own page. The other 17 are covered by the model list below.
Model names certified under Mars Carts Inc.
56 distinct model designations appear on this brand's certificates. Yours should be among them — importers sometimes market a machine under a different name than the one they certified.
550 Crew · Bighorn 200 · Bighorn 200 EFI · Bighorn 200 EFI G · Bighorn 200 HL · Bighorn 200 HLG · Bighorn 380 · Bighorn 400 · Bighorn Explorer 550 · Bighorn Outrider HL · Bighorn Outrider HLG · Bison 200 · Bison 200P · Bison 200U · Bison 400 · Bison 400L · Bison 400U · Bison 500U · Eagle 200 · Eagle 400 · FALCON200 · FALCON200A · Goggo Cruise GT · Panther 550U · Patriot 200 · Raider 200 · SRU200 · SRU200U · SRU400U · SRU400U XL · Taurus 200 GV · Taurus 200 GX · Taurus 200 U · Taurus 200E GV · Taurus 200E GX · Taurus 200E U · Taurus 4 450 G · Taurus 4 450 U · Taurus 450 G · Taurus 450 U · Timberland 450 · XINGYUN200 · XINGYUN200A · XY200U · XY200U Bighorn 200 · XY200U-B · XY200U-BL · XY200U-BL(GVX) · XY200U-C · XY380U-A · XY380U-B · XY450U-A · XY450U-B · XY450U-C · XY500U · XY500U-B
Related in the registry
Source. US EPA annual certification data — EPA Certified Highway Motorcycle Test Results, MY2006-present; EPA Certified Off-Road Motorcycle / ATV / UTV / Rec Vehicle, MY2006-present. Retrieved 2026-09-07. Based on 31 China-engine certificate rows filed by MARS CARTS INC.. Full provenance and method.