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Engine and Transmission Cooling
Towing a loaded tow dolly can be quite demanding on engine and transmission cooling
systems of tow vehicle, especially if towing Iong distance or in hilly terrain. Be sure your
cooling system is in top shape, and adequate for towing anticipated load. Engine oil should be
fresh and of maximum viscosity recommended for your particular engine. Engine cooling may
be enhanced by flushing system and installing fresh coolant. Automatic transmissions may
need an external oil cooler installed for unusually difficult or extended towing.
Engine and transmission heat increase as vehicle speed increases. To maintain proper
cooling, do not exceed 55 m.p.h. regardless of engine size or load.
Hitch
Be certain that hitch and hitch ball are securely attached and that hitch ball is 2" in diameter. A
minimum rating of class II (3500 lbs) is required for both hitch and hitch ball.
Some sports utility vehicles are equipped with a bumper type hitch from the factory. DO NOT
USE THESE HITCHES, since bumper may not have sufficient structural capacity to handle the
load. Equip your vehicle with a hitch attached to the undercarriage of your vehicle.
Lights
Lights are required on tow dollies in every state. If your vehicle is not already equipped for tow dolly
light hook-up, it will be necessary to install connections now. Your dealer will let you know exactly
what is needed for your particular vehicle.
Tow Vehicle Loading
A loaded tow dolly tongue weight (approximately 200 lbs.) contributes to total cargo weight of tow
vehicle. Tow vehicle manufacturer’s recommended maximum passenger/cargo load must not be
exceeded.
VEHICLE-IN-TOW
Limitations/Cautions
1. Vehicle-in-tow must Not be wider than 76 inches at front doors to prevent damage to doors from
contact with tow dolly fenders on turns.
2. Vehicle-in-tow must Weigh no more than 4,400 lbs.
Exceeding these limits may cause damage to tow dolly or vehicles.
Vehicle-in-tow tire tread must fit on ramps without overhanging sides. Track width (distance from
left front tire center to right front tire center) must be between 49 and 59 inches.
Low hanging spoilers and air dams may be damaged by contact with tow dolly ramps when loading
and unloading. Be sure there is adequate clearance for these. If not, they must be removed before
loading.