Which Hammerhead Off-Road, Inc. models have a Chinese-built engine?

10 of the 12 US certificate filings on record for Hammerhead Off-Road, Inc. name an engine manufacturer in China, across 2007–2010: Chunfeng Holding Group Co Ltd, Shanghai Tong Jian Sports Equipment Co., Ltd., Zhejiang Jinlang. The rest of the range is built elsewhere and is not covered by this registry.

Will parts from another brand fit my Hammerhead Off-Road, Inc.?

A shared factory and engine size makes another brand a strong candidate, but it does not prove the part numbers match. These machines are assembled from multiple component suppliers, so measure the part you have before ordering a replacement.

US certificate holder — partial coverage

Which Hammerhead Off-Road models have a Chinese-built engine?

10 of the 12 certificate filings on record for Hammerhead Off-Road, Inc. name a China-built engine. This page covers only those, and says nothing about the rest of the range.

Model years: 2007–2010
Engine factories: 3
Engine families: 10
Coverage: 10 of 12 filings

The factory changed. Here is when.

Engine manufacturer by model year, from the certification record
Model year	Engine factory on the certificate
2010	Chunfeng Holding Group Co Ltd · Shanghai Tong Jian Sports Equipment Co., Ltd.
2009	Chunfeng Holding Group Co Ltd · Shanghai Tong Jian Sports Equipment Co., Ltd. · Zhejiang Jinlang
2008	Chunfeng Holding Group Co Ltd · Shanghai Tong Jian Sports Equipment Co., Ltd. · Zhejiang Jinlang
2007	Chunfeng Holding Group Co Ltd

Other American badges on the same engines

These machines came out of the same factory at the same engine size. If Hammerhead Off-Road, Inc. parts are hard to find, these are where to look next — after measuring.

Model names certified under Hammerhead Off-Road, Inc.

35 distinct model designations appear on this brand's China-engine certificates. Yours should be among them — importers sometimes market a machine under a different name than the one they certified.

4150 · AMS 6150L · AMS 7150L · ASW 6150 · ASW 7150 · ASW LGV 150 · Baja BR150 · Baja BR250 · Baja Dune 150 · Baja Dune 250 · Baja Reaction 150 · Baja Reaction 250 · CF250 · DUNE250 · GT 150 · GT 250 · HH 80 · Hammerhead 150 · Hammerhead 250 · Hammerhead 80 · Hammerhead250 · Hammerhead80 · Metal Motor 150KT · Metal Motor 250KT · STINGRAY250 · StingRay 80 · StingRay80 · Stingray 150 · TJ500 · Titan 500 · UM 250 · UM15011R · UM150IIR · UM250 · UM80

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 the 10 China-engine rows among 12 certificate rows filed by Hammerhead Off-Road, Inc.. Non-China filings are out of scope. Full provenance and method.