 heavy duty TRUCK business DIVISION
This business division designs, develops, tests, markets, and manufactures products for the Class 5-8 vehicle groups, tractor trailers, United States Department of Defense, and associated aftermarket channels. 
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transit business DIVISION
This business unit designs, develops, tests, markets, and manufactures products for the OE Transit & Shuttle Bus, RV, Motor Coach, and specialty vehicle markets along with aftermarket distribution.
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 HADLEY
Headquarters / Truck
2851 Prairie St
Grandville, MI 49418
Ph: 616-530-1717
Fax: 616-530-3283
HADLEY Transit
2503 Marina Dr
Elkhart, IN 46514
Ph: 574-266-3700 Fax: 574-266-3747 |
Brand PromiseWe deliver to the worldwide commercial and recreational vehicle markets innovative systems and services leading to differentiation and highest value solutions. We invest in enduring global partnerships. "We commit to work with spirit, speed, and integrity." | |
| | | | | | Listen to the Difference between your Hadley Air Horn and the Leading Competitive Brand! | | | | | | Hadley Air Horn: | | The Competition: | | |
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| OEM Valve replacements:
| Hadley Height Control Valves are now your Best Choice! Service Centers now have a choice when replacing OEM valves, including Mack and Volvo trucks. Hadley's direct replacement valves offer reliability and improved performance at a lower cost! |
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