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CMVs are restricted by gross weight (total weight of vehicle and cargo), and by axle weight (i.e., the weight carried by each tire). The federal weight limits for CMVs are 80,000 pounds (36,000 kg) for gross weight (unless the bridge formula dictates a lower limit), 34,000 pounds (15,000 kg) for a tandem axle, and 20,000 pounds (9,100 kg) for a ...
The ground pressure of motorized vehicles is often compared with the ground pressure of a human foot, which can be 60 – 80 kPa while walking or as much as 13 MPa for a person in spike heels. [ 3 ] Increasing the size of the contact area on the ground (the footprint ) in relation to the weight decreases the unit ground pressure.
EU passenger car tyre label fuel efficiency class A (upper limit) 0.0062 to 0.0150 [31] Car tire measurements 0.0100 to 0.0150 [32] Ordinary car tires on concrete 0.0385 to 0.0730 [33] Stage coach (19th century) on dirt road. Soft snow on road for worst case. 0.3000 [32] Ordinary car tires on sand
= 1 000 kilograms-force (kgf) = 9.806 65 kilonewtons ... The long ton-force is equal to the weight of one long ton. one long ton-force = 2 240 lbf = 1 016.046 9088 kgf
85 – the load index, a maximum of 515 kg (1,135 lb) per tire in this case; H – the speed index, this means the maximum permitted speed, here 210 km/h (130 mph) The tires on a Hummer H1 might be labeled: 37X12.5R17LT. 37 – the tire is 37 in (940 mm) in diameter; 12.5 – the tire has a cross section of 12.5 in (320 mm)
A size 55/80R63 radial tire was developed by Michelin in conjunction with Caterpillar specifically for the first generation 797. [16] The Caterpillar 797B and 797F run 4.028 m (13.22 ft) tall, 5,300 kg (11,680 lb) Michelin 59/80R63 XDR. Most first generation 797s have been retrofitted to use the 59/80R63 tires as well. [17]
Dry weight is the weight of a vehicle without any consumables, passengers, or cargo. It is significantly less than the weight of a vehicle in a drivable condition and therefore rarely used. Quoting a dry weight can make a car's weight and power-to-weight figures appear far more favorable than those of rival cars using curb weight. [4] [5]
It has a turning radius of about 31 m (102 ft). [2] The 75710 is claimed to carry a 450-tonne (440-long-ton; 500-short-ton) load. [3] With an empty weight of 360 tonnes (350 long tons; 400 short tons), it is much heavier than BelAZ's previous largest model, the 7560, which weighed 240 tonnes (240 long tons; 260 short tons) when empty.