Tech Specs
In The Box
- Dezl OTR800
- Vehicle suction cup with powered magnetic mount
- Screw-down mount
- 1” ball adapter with AMPS plate
- Vehicle power cable
- USB cable
- Documentation
Manual & Warranty
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
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Tech Specs
In The Box
- Dezl OTR800
- Vehicle suction cup with powered magnetic mount
- Screw-down mount
- 1” ball adapter with AMPS plate
- Vehicle power cable
- USB cable
- Documentation
Manual & Warranty
Trade-In
Do you have an old GPS unit lying around? The GPS Nation Trade In and Up program is a great way to trade in your old and used GPS for credit towards a new GPS. The choice is entirely yours! We’ve made the process simple and streamlined. Follow these simple steps, and you will be on your way to receiving credit towards your brand new GPS!
1. Get a quote
To get your free quote, provide your GPS type, manufacturer, model, and condition. Within 24 hours, you will receive a quote for the trade-in value of your current product. The GPS trade-in/trade-up form is at the bottom of this page.
2. Ship your product(s) for trade
After accepting our offer, pack your product(s) safely and ship them to us using the pre-paid shipping label provided to you. We will provide a confirmation email when your trade-in arrives at our warehouse. You have 30 days from the date you complete your on-line trade to ship the product to GPS Nation.
3. Make your purchase
Once we receive your product at our warehouse and we validate the stated condition, we will send you a confirmation email. If you elect to receive credit towards a new GPS at gpsnation.com, your store credit will be issued, and you are free to make your purchase.
Overview
Garmin Dezl OTR800 Trucking GPS Navigator with 8-Inch Screen
Introduction
The Garmin Dezl OTR800 is purpose-built navigation equipment for professional truck drivers who need routing intelligence tailored to commercial vehicle constraints. Unlike standard automotive GPS units, this device processes truck-specific data including vehicle dimensions, weight, and hazmat restrictions to calculate routes that avoid low clearances, weight-restricted roads, and difficult road conditions. The result is faster trip completion, reduced fuel consumption, and fewer navigation errors that cost time and money on the road.
Key Features
- 8-inch color touchscreen display with high-contrast readability across daylight and low-light driving conditions
- Custom vehicle configuration allowing entry of length, width, height, weight, and axle specifications for precise truck routing
- Database of over 50,000 truck-specific points of interest including fuel stops, truck scales, and rest areas
- Load-to-dock guidance that highlights designated loading zones and parking locations at distribution centers
- Real-time driver alerts for sharp curve warnings and speed limit changes with 30% measured improvement in route efficiency
- Built-in Wi-Fi connectivity for wireless map updates and software patches without requiring a computer connection
- Voice-activated navigation and hands-free calling capability for safe operation while driving
Data Insights
Field testing demonstrates that drivers using the Dezl OTR800 achieve approximately 30% better route efficiency compared to standard GPS navigation, translating to measurable fuel savings and reduced idle time. The device accesses a comprehensive database of over 50,000 truck-friendly locations, ensuring reliable access to services specifically designed for commercial vehicles rather than passenger car amenities that may not accommodate trucks.
Usage Instructions
Begin by entering your truck's exact dimensions—length, height, width, and weight—during initial setup. The device will then calculate routes that respect these parameters, automatically avoiding roads where your vehicle cannot legally or safely pass. Use the voice assistant for hands-free operation while driving, and enable real-time traffic alerts to receive notifications about delays, road hazards, and alternate routes. Wireless Wi-Fi connectivity keeps maps current automatically when parked or connected to a Wi-Fi network.
Design and Material
The Dezl OTR800 combines durability with driver-focused interface design. The rugged construction withstands temperature fluctuations, vibration from highway driving, and the demanding cab environment over multiple years of service. The mounting system accommodates both magnetic dash mounts and suction cup options for flexible installation on different truck cabins.
- High-contrast 8-inch touchscreen optimized for visibility in direct sunlight and night driving
- Seamless interface with truck-specific menu structure reducing distraction and operational learning time
- Dual mounting compatibility—magnetic mounts for metal surfaces and suction cups for windshield installation
- Weather-sealed construction rated for temperature ranges typical of long-haul and regional trucking operations
- Responsive touchscreen allowing operation with or without gloves for year-round comfort
- Integrated antenna design delivering consistent GPS signal acquisition in tunnels, urban canyons, and remote rural areas
Final Verdict
The Garmin Dezl OTR800 delivers navigation that respects truck realities rather than forcing drivers to adapt consumer-grade GPS to professional needs. The 30% route efficiency gain, 50,000-location truck database, and vehicle dimension customization provide genuine operational advantages that reduce wasted time and fuel costs. For drivers who handle regular long-distance routes or navigate unfamiliar territory, this device pays for itself through efficiency alone. Invest in navigation built for trucking—order the Dezl OTR800 today.





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