Single cab wrecker
| ½ Tow truck front axle weight | × | Tow truck wheelbase | ÷ | Overhang with lift out (extended) | = | Safe tow capacity |
| ½ Tow truck front axle weight | × | Tow truck wheelbase | ÷ | Overhang with lift in (retracted) | = | Safe tow capacity |
Extended cab wrecker
½ Tow truck front axle weight | × | Tow truck wheelbase | ÷ | Overhang with lift out (extended) | = | Safe tow capacity |
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½ Tow truck front axle weight | × | Tow truck wheelbase | ÷ | Overhang with lift in (retracted) | = | Safe tow capacity |
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Flatbed using wheel lift
½ flatbed front axle weight | × | Flatbed wheelbase) | ÷ | Overhang with lift out (extended) | = | Safe tow capacity |
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½ flatbed front axle weight | × | Flatbed wheelbase) | ÷ | Overhang with lift in (retracted) | = | Safe tow capacity |
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Flatbed carrier deck calculation
Rear Axle Rating | – | Weight on the rear axle unloaded | = | Safe carrying capacity |
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