Our Services

BigDuty, LLC is an industry leading heavy duty truck, tanker, trailer and equipment repair, maintenance and custom fabrication facility serving the commercial transportation industry of California and beyond.


We're your fleet's go-to shop.

We're the "go-to" shop for custom tanker and trailer fabrication
and repair and heavy duty diesel repair and maintenance. 

Your fleet is in good hands with BigDuty.

Industry Services

•  Engine Diagnostics:  Cummins, Cat, Mercedes, Detroit, Pacar, Mack



•  Full PM Service and Repair of Truck and Tank trailers



•  90-Day Inspections, Annual FHWA Inspections, Annual and Five-Year Tank Testing



•  Tank Chassis Change Overs, Steel, Aluminum and Stainless Welding, Fabrication and Repair



•  Non-R Stamp Repairs on Bolsters, Pads, and Frames of Tanks and Trailers



•  Parts and Repair of Suspensions, Drawbars, Upper Couplers, Overfill Systems, Brake Interlock Systems



•  Parts and Repair of Pumping Metering Equipment for Refined Fuel Trucks, Oil Delivery Trucks, and DEF Systems



BigDuty, Proudly Sells, Services and Installs:


• Pumps : Banjo, Blackmer, Roper and Wright Flow Technologies


•  Valves: Betts, Clearflow, Dixon, Sure Seal, SPS,


•  Overfill System:  Civacon, Flotech, Scully


•  Plumbing : Allegheny, Betts, Dixon, SPS Zero Retain System


•  PTO: Chelsea , Muncie


•  Hydraulics: Muncie, Parker,  Thermaflow Coolers by Stac  and Ryco Fittings and Hose Assemblies Made to



•  Meters:  Liquid Controls,  Total Control Systems, Veeder Root Products


•  Reels :  Hannay Reels,  Fuel Delivery, Aviation and Static Ground


•  Manway and vents : Betts, Civacon and Dixon


•  Fenders and Toolboxes: Merritt Aluminum Products


•  Liftgates: Eagle, Maxon, Palfinger, Tommy gate


•  Brakes, ABS, Valves: Bendix, Haldex, Meritor and Sealco


•  Suspension: Hendrickson, Hutch and Reyco


•  Engine Diagnostics, Service and Repair: Cat, Cummins, Detroit, Mack, Mercedes, Paccar and Volvo


•  Service and Repair: Freightliner, International, Kenworth, Mack, Peterbilt and Volvo


We would like to be your go-to build, repair and maintenance specialists.  If you have any questions or would like an estimate, please call our service department at (916) 905-5018 or email us. 

Specialized project? We can do that! Get a custom quote.

©2019 BigDuty LLC. All Rights Reserved.