Analysis of the Vehicle Inventory and Use Survey for Trucks ... - About

Regional Comparison of Mean Tare (Empty) Weights
by Vehicle Class/Body Type Combinations
North Central North East South Atlantic South Gulf
Config. Body Type 1987 1992 1997 1987 1992 1997 1987 1992 1997 1987 1992 1997 1987 1992 1997
3+2 Low Boy 18,738 31,023 34,013 17,544 25,377 27,021 19,278 28,952 27,703 21,866 28,790 27,753 18,598 32,534 32,775
3+2 Basic Platform 21,126 26,588 31,114 12,412 39,552 28,904 23,764 27,521 26,546 20,629 29,429 31,492 20,705 28,033 28,184
3+2 Basic Enclosed 21,398 31,789 33,772 18,000 27,783 30,000 20,849 29,718 25,000 23,231 32,229 27,239 15,835 26,374 32,435
3+2 Pole Logging 29,516 33,913 26,202 4,000 40,677 24,047 27,466 28,618 23,732 26,601 27,982 24,027 26,637 27,021
3+2 Grain Bodies 16,912 25,385 27,502 . 30,400 28,822 . 28,000 33,000 27,618 26,220 28,888 26,648 28,355 30,223
3+2 Dump Truck 25,023 28,690 31,890 22,501 26,463 18,363 23,025 26,063 24,793 27,608 29,321 26,373 29,120 29,157
3+2 Tank-Liquid 25,424 30,697 31,316 22,056 33,432 32,827 . 27,794 27,000 27,901 26,750 40,444 24,868 27,694 28,603
3-S2 Low Boy 24,378 29,802 30,335 24,218 31,316 30,192 24,559 30,779 30,188 23,417 30,438 30,640 26,647 31,104 31,802
3-S2 Basic Platform 25,942 29,832 30,289 26,656 30,457 37,252 24,079 29,940 30,172 26,378 30,557 30,759 25,182 29,077 29,628
3-S2 Livestock 27,441 29,933 32,041 29,149 30,876 32,274 28,246 33,474 32,663 26,985 30,261 30,550 26,612 30,817 30,283
3-S2 Ins. Non-ref 26,744 32,081 33,586 24,853 30,815 32,791 20,933 32,143 30,727 26,638 31,967 31,466 29,121 29,933 30,925
3-S2 Ins. Ref 28,834 33,336 36,241 29,274 33,284 36,547 28,389 33,336 33,181 30,147 33,452 33,700 27,729 32,903 33,421
3-S2 Drop Frame 26,243 35,243 31,484 27,772 33,279 30,433 23,280 33,334 33,374 27,482 35,264 35,637 31,360 33,967 32,474
3-S2 Basic Enclosed 24,013 30,804 31,360 24,068 30,110 32,557 24,223 30,084 30,153 26,023 30,517 31,193 24,057 30,068 29,466
3-S2 Pole Logging 27,527 29,804 36,914 26,837 30,158 36,550 26,918 27,816 28,987 26,404 27,329 28,698 25,180 26,693 27,474
3-S2 Auto Transport 19,770 42,763 27,222 26,259 36,389 32,153 25,592 33,825 35,194 29,645 38,644 42,225 24,003 35,616 39,001
3-S2 Grain Bodies 25,025 27,114 30,381 27,335 29,598 32,333 24,018 28,779 29,492 25,889 27,922 28,146 25,709 27,897 28,847
3-S2 Dump Truck 27,266 29,636 29,670 28,045 31,096 30,008 27,003 29,616 30,321 27,512 30,058 30,066 27,647 31,313 31,673
3-S2 Tank-Liquid 25,501 29,853 28,545 24,940 30,025 28,399 25,484 29,356 28,895 26,599 30,765 30,780 26,015 30,619 29,625
3-S2 Tank-Dry 27,105 27,985 32,851 25,233 28,816 38,576 25,756 29,299 28,049 27,060 28,646 28,999 26,554 28,639 29,264
3-S3 Low Boy 26,273 34,559 33,965 20,016 38,663 35,832 23,307 38,451 35,924 17,422 36,575 37,868 27,804 36,440 35,999
3-S3 Basic Platform 24,863 36,212 40,239 25,259 33,813 31,025 14,664 29,893 29,908 20,874 29,211 29,689 26,271 32,772 31,700
3-S3 Ins. Ref 23,807 34,775 33,712 31,444 34,875 32,268 29,057 31,354 34,088 32,686 31,402 32,647 26,222 34,464 29,597
3-S3 Basic Enclosed 18,934 32,881 38,247 26,677 32,727 37,506 26,098 30,637 29,491 25,030 30,791 33,613 23,249 29,124 28,196
3-S3 Pole Logging 15,750 33,499 30,022 34,835 38,006 33,000 . 29,689 29,328 27,329 28,146 32,109 23,390 27,981 29,216
3-S3 Grain Bodies 26,220 31,338 32,787 33,000 . 33,903 19,500 24,000 . 26,000 27,364 29,600 13,944 30,197 29,569
3-S3 Dump Truck 24,902 32,316 35,800 24,925 33,726 32,237 28,068 32,870 31,616 27,157 32,598 34,973 31,831 31,773 31,671
3-S3 Tank-Liquid 23,459 35,587 22,865 13,116 32,457 23,996 29,844 28,518 3,894 30,162 32,342 25,846 33,102 30,207
2-S1-2 Basic Platform 26,106 20,600 32,967 . 32,150 . . . . 25,500 . . 25,936 27,500 26,324
2-S1-2 Drop Frame 32,219 31,652 32,969 . 32,829 38,000 13,379 35,964 . 4,300 35,357 24,935 32,444 39,022 35,620
2-S1-2 Basic Enclosed 26,506 27,995 24,000 27,848 27,780 . 27,299 30,287 30,222 22,473 31,282 31,271 21,072 30,324 31,870
2-S1-2 Grain Bodies 24,200 25,194 . . . . . . . . . . 22,114 23,606 24,819
Note: Some cells are based on a very small sample of data. Accompanying table gives cell sample sizes.
West