Class Single Axle Tandem Axle Three or More Axle Groupings Gross Vehicle Weight

Restricted by Legal Weights 20,000 lb 34,000 lb 17,000 lb per axle, not to exceed 48,000 lb gross weight on divisible loads $105,500 lb$

8-TON 16,000 lb 32,000 lb 14,000 lb per axle, not to exceed 42,000 lb gross weight on divisible loads $105,500 lb$

7-TON 14,000 lb 28,000 lb 12,000 lb per axle, not to exceed 36,000 lb gross weight on divisible loads $105,500 lb$

6-TON 12,000 lb $24,000 lb$ 10,000 lb per axle, not to exceed 30,000 lb gross weight on divisible loads 80,000 lb

5-TON 10,000 lb 20,000 lb 10,000 lb per axle, not to exceed 30,000 lb gross weight on divisible loads 80,000 lb

How much greater is the maximum axle weight for a tandem axle than for a single axle?

A10,000 lb
B12,000 lb
C$14,000 lb$
D16,000 lb

Question

02-11-2026
Mathematics

Answered

Class Single Axle Tandem Axle Three or More Axle Groupings Gross Vehicle Weight

Restricted by Legal Weights 20,000 lb 34,000 lb 17,000 lb per axle, not to exceed 48,000 lb gross weight on divisible loads $105,500 lb$

8-TON 16,000 lb 32,000 lb 14,000 lb per axle, not to exceed 42,000 lb gross weight on divisible loads $105,500 lb$

7-TON 14,000 lb 28,000 lb 12,000 lb per axle, not to exceed 36,000 lb gross weight on divisible loads $105,500 lb$

6-TON 12,000 lb $24,000 lb$ 10,000 lb per axle, not to exceed 30,000 lb gross weight on divisible loads 80,000 lb

5-TON 10,000 lb 20,000 lb 10,000 lb per axle, not to exceed 30,000 lb gross weight on divisible loads 80,000 lb

How much greater is the maximum axle weight for a tandem axle than for a single axle?

A10,000 lb
B12,000 lb
C$14,000 lb$
D16,000 lb

Verified Answer :

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GinnyAnswer GinnyAnswer · Answer 1 · 2026-11-02T12:03:08-05:00

The weight limits for tandem and single axles vary across different vehicle classes listed in the table.
Calculating the difference for the standard 'Restricted by Legal Weights' category yields $34,000 - 20,000 = 14,000$ lb.
This difference of $14,000$ lb aligns with the provided options.
The tandem axle limit is $\boxed{14,000 \text{ lb}}$ greater than the single axle limit under legal regulations.

Explanation

Analyzing the weight limit table

To find the difference between the maximum axle weight for a tandem axle and a single axle, we examine the provided table of weight restrictions. The table lists different classes of weight limits, where each row specifies the limits for a 'Single Axle' and a 'Tandem Axle'.

Let's calculate the difference in pounds (lb) for each class:

Restricted by Legal Weights: $34,000 - 20,000 = 14,000$ lb
8-TON: $32,000 - 16,000 = 16,000$ lb
7-TON: $28,000 - 14,000 = 14,000$ lb
6-TON: $24,000 - 12,000 = 12,000$ lb
5-TON: $20,000 - 10,000 = 10,000$ lb

The question asks for the difference between the tandem axle weight limit and the single axle weight limit. While the values vary by class, typically, road weight restriction tables refer to the most standard or legal weight limits as the primary reference. In this case, for the 'Restricted by Legal Weights' category, the tandem axle limit is $34,000$ lb and the single axle limit is $20,000$ lb. Calculating the difference gives $34,000 - 20,000 = 14,000$ lb.

Concluding the comparison

Comparing the calculated difference from the 'Restricted by Legal Weights' row to the given multiple-choice options, we find that $14,000$ lb is one of the options. This value represents the standard difference between these two types of axle configurations in the primary regulatory context. Thus, the tandem axle weight limit is $14,000$ lb greater than the single axle weight limit under standard legal restrictions. Therefore, the correct option is $14,000$ lb.

Examples

Understanding axle weight limits is crucial for road safety and infrastructure maintenance. Trucks have different axle configurations, such as single and tandem axles, to distribute the weight of the cargo evenly across the road surface. By knowing the difference in allowed weight between these configurations, logistics companies and drivers can ensure they remain compliant with legal weight regulations, thereby avoiding heavy fines and reducing wear and tear on bridge and road surfaces. This knowledge helps in planning efficient cargo distribution and maintaining the integrity of transportation infrastructure.

Class	Single Axle	Tandem Axle	Three or More Axle Groupings	Gross Vehicle Weight
Restricted by Legal Weights	20,000 lb	34,000 lb	17,000 lb per axle, not to exceed 48,000 lb gross weight on divisible loads	$105,500 lb$
8-TON	16,000 lb	32,000 lb	14,000 lb per axle, not to exceed 42,000 lb gross weight on divisible loads	$105,500 lb$
7-TON	14,000 lb	28,000 lb	12,000 lb per axle, not to exceed 36,000 lb gross weight on divisible loads	$105,500 lb$
6-TON	12,000 lb	$24,000 lb$	10,000 lb per axle, not to exceed 30,000 lb gross weight on divisible loads	80,000 lb
5-TON	10,000 lb	20,000 lb	10,000 lb per axle, not to exceed 30,000 lb gross weight on divisible loads	80,000 lb