Front and Rear Dash Cam for Semi Truck
A semi has no clear back window, so the rear camera goes outside. Exterior rear cameras, cab-facing lenses and power for a tractor-trailer.
A front and rear dash cam for semi truck duty has to solve a problem car guides skip: behind the driver there is a sleeper wall or a trailer, not a clear back window. A useful rear view means a waterproof camera mounted outside, plus a cab-facing lens for claims about what the driver was doing.
Where the rear camera goes on a tractor-trailer
A camera on the back glass of a day cab sees the trailer’s nose once you hook up, and a sleeper has no back glass at all. The rear camera has to mount on the back of the cab or on the trailer, with a cable long enough to reach the recorder.
That favors systems with separate camera heads and an exterior-rated rear camera.
Power and hardwiring in a semi
Hardwire the camera with a low-voltage cutoff so parking mode cannot drain the batteries during a long reset. None of the listings we track for these kits state a 24V rating in the title, so confirm the hardwire kit’s input range with the seller before you connect it to a 24V system.
A cab-facing camera for false claims
A cabin lens records what the driver was doing when something happened, which answers phone-use and fatigue claims. It also records anyone who enters the cab while you are parked.
Front and rear dash cam for semi truck prices today
In our catalog
3-channel · BlackVueBlackVue DR770X Box Truck Pro$550-600See price comparison →
Three Full HD cameras (front, interior and a waterproof infrared rear camera) wired to a recording box hidden in the cab, with driver monitoring, GPS, Wi-Fi and cloud features.
In our catalog
3-channel · VueroidVueroid S1 4K Infinite$350-550See price comparison →
A three-channel 4K system with parking mode and cloud support, aimed at fleet use. Plan the rear camera mount before you buy.
In our catalog
3-channel · VantrueVantrue N4 Pro S$240-280See price comparison →
Three channels: 4K front, 2.5K rear and a 1080p infrared cabin camera, with buffered parking mode and GPS. The cabin camera is the strong part here; the rear camera needs a clear view to earn its place.
In our catalog
2-channel · GarminGarmin Dash Cam Tandem$242-280See price comparison →
Sold as a front and rear camera, but the second lens faces the cabin, not the road behind: 1440p road and 720p infrared cabin. A clean answer if cab-facing video is what you need.
Owner-operator vs company truck
An owner-operator can wire whatever the truck needs. A company driver should check the carrier’s policy first, since fleets may already run their own cameras or restrict personal ones.
For the full trucking picture, see the truckers guide, and for how a rear channel works on a smaller vehicle, front and rear dash cams. Cab audio falls under state consent law: are dash cams legal.
Skip this if you drive a light-duty pickup; a standard front and rear kit is simpler.
A front and rear dash cam for semi truck work is only as good as its rear camera: mount it outside, where it can see, and the rest of the setup follows.
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