Contact Technical Support

Jacobs Vehicle System is proud to partner with diesel engine manufacturers globally to provide integrated and aftermarket solutions for the commercial vehicle industry.  Please contact your engine manufacturer’s parts and service network for product-related and technical inquiries related to the engine brake.  You can also visit our parts, service, and support page to find a part number cross-reference tools, parts and service literature, and more.

CAT
CAT Technical Support
+1 (888) 614-4328

Cummins
+1 (800) 286-6467
 
DAF
+31 (0)40 214 9111
 
Daimler Trucks North America
+1 (503) 745-8000
 
Detroit Diesel
 
Deutz
+49 (0) 221 822 0
 
Freightliner
 
HINO
+1 (248) 442-9077
 
Hyundai
 
International Trucks
+1 (877) 854-8154
 
+1 (425) 828-5000
 
MACK
+1 (800) 866-1177 
 
Mitsubishi Fuso
 
MTU
 
Navistar
Navistar Technical Support 
+1 (331) 332-5000
 
PACCAR
 
Peterbilt
+1 (800) 473-8372
+1 (940) 591-4000
 
Renault Trucks
 
Volvo Trucks
+46 31 66 60 00