Tow Bar for Semi Truck: 5 Top Picks Compared

When you’re hauling a trailer or towing a vehicle behind your semi truck, a reliable tow bar is essential for safety and control. Whether you need a light bar for visibility or a physical tow bar for dinghy towing, choosing the right equipment can make all the difference.

This guide compares five top picks for tow bars and lighting solutions, helping you find the best fit for your semi truck setup. From wireless convenience to heavy-duty construction, we cover key features to consider.

TowMate 22-inch Wireless Tow Light Bar – Compact Convenience

The TowMate 22-inch Wireless Tow Light Bar offers a convenient solution for adding stop, turn, and tail signals to your semi truck towing setup without messy cables. This kit includes a 4-pin round transmitter with green wire, a charging cable, and magnetic mounts with 90 lbs of pull strength, ensuring secure attachment. Powered by a rechargeable 12V 1.3Ah battery, it provides up to 10 hours of runtime per charge, making it reliable for long hauls.

Charging is easy with the included wireless charger, eliminating cable clutter. The wireless range is sufficient for most towing scenarios, and the magnetic mount allows quick installation on any metal surface. While the 22-inch length is compact, it still delivers clear signals. This TowMate light bar is ideal if you prioritize portability and ease of use over a larger light surface.

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• Includes a 22 inch Wireless Tow Light Bar with Stop, Turn, Tail Signals. This kit includes a 4 pin round transmitter with green wire, charging cable, and magnetic mounts with 90 lb pull.
• Easy and Convenient Charging: The TowMate wireless light bar comes with a convenient wireless charger that allows you to easily charge the light bar without any messy cables or complicated wiring, ensuring you are always ready for your next towing task.
• Powered by a rechargeable 12V 1.3Ah battery, the TM22G provides up to 10 hours of runtime per charge and includes a charge plug for convenient 12V charging. With a wireless range of up to approximately 1000 feet, the TM22G is built to perform in demanding towing environments.
• Versatile Compatibility: Compatible with a variety of vehicles and trailers, this towmate wireless light bar is a versatile and convenient choice.
• Complete Towing Solution: The TowMate wireless light bar is a complete towing solution that includes all the essential features you need for safe and efficient towing. With its reliable wireless connectivity, convenient charging, versatile mounting, and durable construction, it is the perfect accessory for any professional or amateur tow operator.
• Reliable wireless operation up to approximately 1000 ft
• Weather resistant, made for the toughest towing conditions
• Made in the USA

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Naspios Semi Tire Spoons 39-inch – Tire Change Essential

The Naspios Semi Tire Spoons are a heavy-duty tire bar set designed for semi trucks, tractors, and buses. Forged from bearing-quality 40Cr steel as a single piece and heat-treated for 24 hours, these bars resist bending under pressure. The exclusive rubber grip ensures your hands stay secure even with oily or muddy gloves, stopping slip and shock during tire changes.

This set includes two 39-inch bars with angled ends that deliver crushing leverage, allowing you to change a tire solo in about 10 minutes. While not a tow bar for towing, these tire spoons are essential tools for any semi truck driver who needs to handle tire repairs on the road. They fit your rig and your toolbox, making them a practical addition to your towing kit for maintenance.

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• 【Stops Slip & Shock – Exclusive Rubber Grip for Oily, Muddy Hands】Tired of other tire bars that slip and shock your hands? Our Our heavy duty tire iron set rubber grip is built for pros. It locks into oily or muddy hands, absorbs vibration, and won't fatigue you during long jobs. Others risk your safety— It’s the control upgrade drivers need for safe semi truck tire changing.
• 【Semi Truck-Tough Forged Steel – Bearing-Grade 40Cr, Won't Bend】These tire bars for semi tires forged from bearing-quality 40Cr steel as a single piece and heat-treated for 24 hours. Don't compare it to soft iron rods—this bar handles extreme pressure without bending. The powder coat fights rust through Texas sun and rain. Built to outlast your rig—the last semi truck tire bars you’ll buy.
• 【Get It Done in 10 Minutes Solo – Two 39" Bars for Maximum Leverage】Our complete semi tire changing tools kit includes two 39” tire bars. The angled ends deliver crushing leverage, letting you tackle tractor tire changing or stubborn semi tires alone in under 10 minutes. This tire mounting and dismount bars tools set pays for itself on the first roadside emergency. No waiting for help, no paying outrageous tow bills in the middle of nowhere. Time is money—this kit pays for itself fast.
• 【Fits Your Rig & Your Box – Built for Semis, Tractors, and Buses】Designed specifically as tire tools for semi truck and tractor use. Not for compact cars, atvs, motorcycles, light-truck. The forged knobs grab thick rims; the curved ends slide between bead and wheel without damage. Works on semis, tractors, school buses, and trailers—all standard tubeless tires. The perfect length for your toolbox, these tire tools for changing tires are always ready when you are.
• 【No-BS Value: Best Replacement Mt and Demount Iron】Why over pay for one bare tire iron? Get our complete 2-bar tire tools for semi truck system with exclusive rubber grips for less pay. More effective heavy duty tire iron set, get a better grip, and never work with a single bar again. Stop overpaying. Grab your set now—your next tire won't wait.
• 【Proven on the Road, Backed by Our Word】This isn’t a garage hobbyist toy. It’s field-tested by drivers and mechanics. Backed by a no-hassle 24-month warranty and US-based support that speaks your language. Try it. Feel the difference the Naspios Tire Bars makes. If it doesn’t outperform the single bar you’re used to, we’ll make it right. Upgrade your toolkit today.

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TowMate 36-inch Wireless Tow Light Bar – High Visibility

The TowMate 36-inch Wireless Tow Light Bar is a heavy-duty LED solution for semi truck towing, featuring stop, turn, and tail signals with side marker lights and three DOT center lights for maximum road visibility. It includes a 7-pin round transmitter with red wire and a charging cable, ensuring compatibility with standard towing setups. The reliable wireless range operates up to approximately 1,000 feet, providing consistent signal transmission even in long towing configurations.

Powered by a rechargeable battery system, this light bar offers up to 10 hours of runtime and recharges easily from a 12V vehicle power source. The 36-inch length provides a larger light surface for better visibility, making it ideal for semi trucks towing trailers or other vehicles. While it requires charging, the wireless convenience and robust build make it a top choice for professional drivers who need reliable lighting without cable tangles.

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• 36" High-Visibility LED Light Bar: Features stop, turn, and tail signals with side marker lights and three DOT center lights for maximum road visibility
• 7-Pin Round Transmitter with Red Wire Included
• Reliable Wireless Range: Operates up to approximately a 1,000 foot wireless range for consistent signal transmission in towing setups
• Rechargeable Battery System: Provides up to 10 hours of runtime and recharges easily from a 12V vehicle power source
• Heavy-Duty Construction: Durable poly-plastic housing built for towing, transport, and roadside environments
• Made in the USA
• Lifetime warranty on LEDs and Electroncis
• Includes Dual 6V 7Ah batteries with 12 volt charging cable
• Features improved harnessing and upgraded connectors

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Curt Manufacturing 19745 Adjustable Tow Bar – Versatile Towing

The Curt Manufacturing 19745 Adjustable Tow Bar is designed for dinghy towing a small vehicle behind an RV, making it a great option for semi truck drivers who tow a car or SUV. It is rated for 5,000 lbs gross towed vehicle weight, suitable for most compact to midsize vehicles. The tow bar adjusts in width from 26 to 41 inches, allowing you to fit different vehicle frames without needing multiple bars.

It features a 2-inch heavy-duty coupler that connects securely to your semi truck’s hitch receiver. The adjustable design simplifies setup, and the robust construction ensures durability during long trips. While it is not intended for heavy trailers, this Curt tow bar excels for flat towing a vehicle behind your semi truck. It is a practical choice if you need a reliable, adjustable solution for recreational or utility towing.

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• Ideal for dinghy towing a small vehicle behind an RV
• Rated for 5,000 lbs. gross towed vehicle weight
• Adjusts in width from 26" to 41"
• Features a 2" heavy-duty coupler
• Brackets mount to the frame of the vehicle (trimming may be required)

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Bad Ass Tow Products 60-inch Wired Light Bar – Heavy-Duty Lighting

The Bad Ass Tow Products 60-inch Wired LED Light Bar provides a powerful lighting solution for semi trucks, featuring red, blue, and amber LEDs with clear lenses for stop, tail, and turn signals. At 60 inches long, 10.5 inches wide, and 1.5 inches tall, this light bar offers extensive coverage for maximum visibility. It is wired directly to your vehicle’s electrical system, ensuring constant power without battery concerns.

With a 160-watt output, this light bar delivers bright warning lights suitable for towing in low-visibility conditions or emergencies. The wired connection means you don’t need to worry about wireless range or battery life, making it reliable for professional use. While installation requires wiring, the robust build and large size make it ideal for semi trucks that need heavy-duty lighting for towing trailers or providing warning signals on the road.

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• Red, Blue, Clear LED Light Bar
• 60” long 10.5” wide and 1.5” tall
• Stop, Tail, Turn
• Wired
• 160 Watt

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Buyer’s Guide: What to Consider

Choosing the right tow bar for your semi truck depends on your specific towing needs, from lighting to physical connection. This guide covers key factors to consider.

• Weight Rating: Ensure the tow bar's weight capacity exceeds your towed vehicle's gross weight. The CURT 19745 is rated for 5,000 lbs, ideal for small vehicles.
• Wireless vs. Wired: Wireless light bars offer convenience without cable tangles. TowMate models provide up to 1,000 feet range, while wired options like the BATP 60” bar ensure constant power.
• Lighting Visibility: LED light bars with stop, turn, and tail signals are essential for road safety. Look for high-visibility features like the TowMate 36” with DOT center lights.
• Adjustability: Adjustable width tow bars, like the CURT 19745 (26” to 41”), fit different vehicle frames. Fixed bars may suit specific setups but limit versatility.
• Build Quality: Durable materials like forged steel in tire bars or heavy-duty couplers in tow bars ensure longevity. TowMate products are made in the USA for quality assurance.

Conclusion

Selecting the best tow bar for your semi truck involves balancing lighting needs, weight capacity, and adjustability. For wireless convenience, the TowMate 36-inch offers excellent range and visibility, while the CURT 19745 is perfect for dinghy towing with its adjustable width.

For heavy-duty lighting, the BATP 60-inch wired bar provides robust warning signals. Pair your setup with the Naspios tire spoons for tire changes. Ultimately, match your choice to your specific towing tasks for safety and efficiency.