Current Industrial Reports U.S. Department of Commerce Economics and Statistics Administration Bureau of the Census Selected Construction Machinery - 1997 MA35D(97)-1 Issued June 22, 1998 Information about the scope of the survey, methodology, explanation of terms and historical facts for this survey may be found in the 1997 Manufacturing Profiles, issued June 1997. These data are also available through the U. S. Department of Commerce and STAT-USA Electronic Bulletin Board by subscription. To access, dial 202-482-3870 and follow the prompts to register. Also, you may call 202-482-1986, for further information. The Internet address is: stat-usa.gov/. For mail or fax copies of the publication, contact the Manufacturing and Construction Division Information Center, 301-457-4673. Address inquiries concerning these data to U.S. Department of Commerce, Bureau of the Census, Manufacturing and Construction Division, Washington, DC 20233, or call Richard Wiesler, 301-457-4746. Table 1. Value of Shipments of Selected Construction Machinery: 1988 to 1997 [Millions of dollars] Product description 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 Power cranes, draglines, and excavators, including surface mining equipment, and attachments . . . . . . 2,928.8 2,740.3 2,561.4 2,252.5 1,719.4 1,582.3 1,239.1 1,511.8 1,318.3 1,050.7 Mixers, pavers, and related equipment . . . . . 1,276.3 1,145.8 1,168.8 1,079.8 877.1 635.8 509.6 609.6 701.8 565.3 Off-highway trucks, truck-type trailer chassis, trailers, coal haulers, wagons. . . . 1,590.1 1,632.6 1,326.9 961.9 876.1 706.9 822.9 957.7 803.3 591.0 Tractor shovel loaders . . . 3,911.6 3,340.1 3,041.8 2,632.6 2,354.4 1,833.1 1,855.5 2,235.9 2,212.0 2,027.6 Crawler tractors, contractors' off- highway-type wheel tractors, dozers, and self-propelled wheeled log skidders . . . . . . . 1,720.3 1,697.2 1,597.4 (D) (D) 1,099.5 1,242.9 1,453.1 1,529.9 1,553.2 Motor graders and light maintainers. . . . . . (D) 588.4 479.9 445.2 (D) (D) 355.8 408.0 409.9 352.0 Rollers and compactors . . . 654.6 r/517.6 (S) 361.3 303.2 240.5 186.0 267.2 251.1 259.6 Rough-terrain forklifts . . 499.9 412.3 355.4 270.9 201.9 177.5 167.9 209.3 183.4 161.7 Scraper bowls. . . . . . . . 237.5 121.5 142.2 124.9 (D) (D) 99.1 181.6 233.6 159.8 Self-propelled ditchers and trenchers (integral units). . . . . . 238.7 209.1 193.5 174.0 143.6 124.1 112.2 129.7 153.6 141.2 Construction machinery for mounting on trucks, tractors, etc.. . . . . . . (X) (X) (X) 286.6 249.8 256.1 214.6 258.6 343.0 363.8 Construction machinery (except winches and other materials-handling equipment) for mounting on trucks, tractors, etc. . 254.7 r/214.5 (D) (X) (X) (X) (X) (X) (X) (X) Winches and other materials- handling equipment, for mounting on construction machinery . . . . . . . . . (D) (D) (D) (X) (X) (X) (X) (X) (X) (X) Aerial work platforms. . . . (D) (D) 1,131.1 844.9 637.4 590.3 568.9 814.9 799.8 591.6 D Withheld to avoid disclosing data for individual companies. r/Revised by 5 percent or more from previously reported data. S Does not meet publication standards. X Not applicable. Table 2. Quantity and Value of Shipments of Selected Construction Machinery: 1997 and 1996 [Quantity in number of units. Value in thousands of dollars] 1997 1996 No. Product of code Product description cos. Quantity Value Quantity Value 3531E -- Power cranes, draglines, and excavators, including surface mining equipment, and attach- ments . . . . . . . . . . . . . . . . (X) 91,429 2,927,780 r/ 80,611 2,740,306 Excavators, hydraulic-operated: Crawler mounted, rated size in metric tons: 3531E 05 Not more than 24 metric tons . . 7 9,859 570,341 r/ 8,611 r/ 577,893 More than 24 but not more 3531E 06 than 40 metric tons . . . . . . 6 4,437 712,945 r/ 3,396 r/ 533,896 3531E 07 More than 40 metric tons . . . . 5 886 287,129 945 359,705 3531E 19 Wheel (rubber) mounted, all sizes . . . . . . . . . . . . . . 2 (D) (D) (D) (D) Cranes, lattice boom: Crawler mounted, maximum working load: 3531E 22 Not more than 110 metric tons. . 3 5 1,965 17 8,313 3531E 24 More than 110 metric tons. . . . 3 (D) (D) (D) (D) 3531E 35 Wheel (rubber) mounted . . . . . . 5 43 38,167 39 29,701 Cranes, hydraulic-operated, telescopic boom: Wheel cranes (integral), multiple control stations (rubber mounted), maximum working load of: 3531E 42 Not more than 18 metric tons . . 4 (D) 60,698 r/ (S) r/ (S) 3531E 44 More than 18 but not more than 27 metric tons . . . . . . 4 (D) (D) r/ (D) r/ (D) 3531E 46 More than 27 but not more than 50 metric tons 1/. . . . . 4 153 42,443 (D) (D) 3531E 48 More than 50 metric tons 1/. . . 3 (D) (D) (D) (D) 3531E 57 Pinned on type, telescopic and articulated . . . . . . . . . 6 2,729 127,308 r/ 2,218 r/ 97,919 Wheel cranes, one control station (self-propelled, rubber mounted), maximum working load of: 3531E 61 Not more than 16 metric tons . . 7 1,133 69,888 1,090 69,240 3531E 64 More than 16 metric tons but not more than 22.7 metric tons . . . . . . . . . . . . . 5 285 49,222 125 19,583 3531E 67 More than 22.7 metric tons . . . 4 844 237,944 759 201,455 All-terrain cranes, maximum working loads of: 3531E 72 Not more than 20 metric tons . . 3 (D) (D) (D) (D) 3531E 74 More than 20 metric tons but not more than 35 metric tons. . (S) (S) (S) (S) (S) 3531E 76 More than 35 metric tons but not more than 110 metric tons . (S) (D) (D) (S) (S) 3531E 78 More than 110 metric tons. . . . (S) (S) (S) (S) (S) Other cranes and excavators: 3531E 84 Pedestal or shipmounted marine cranes. . . . . . . . . . . . . . 6 79 27,572 81 15,532 3531E 89 All other cranes, excavators, and draglines, not elsewhere classified . . . . . . . . . . . 8 (D) 177,549 791 168,868 3531E 00 Cranes, excavators, and draglines, not specified by kind 2/. . . . . . (X) (X) (X) 1,381 27,100 Attachments for power cranes, draglines, and excavators, sold separately: 3531E 94 Hoe. . . . . . . . . . . . . . . . 6 15,594 33,609 13,740 29,839 3531E 95 Dragline buckets, all sizes. . . . 5 104 9,145 94 8,028 3531E 97 Clamshell/grapple. . . . . . . . . 8 606 14,849 593 14,758 3531E 98 All other attachments, not elsewhere classified. . . . . . . 23 51,477 138,065 r/ 43,903 r/ 111,454 3531F -- Mixers, pavers, and related equipment . . . . . . . . . . . . . . (X) 103,959 1,276,285 125,268 1,145,834 For concrete, plaster, or mortar applications: 3531F 22 Concrete mixers (except plaster and mortar), portable, includ- ing truck or other mixer or agitator, all sizes . . . . . . . 19 8,750 338,592 r/ 8,910 330,986 3531F 31 Plaster and mortar mixers, all sizes . . . . . . . . . . . . . . 7 11,673 22,585 r/ 11,766 r/ 22,581 3531F 33 Slipform concrete paving machines, including multi- purpose, automated curb and gutter and concrete slipform pavers up to and including 34 feet wide). . . . . . . . . . . . 11 481 61,137 470 52,415 3531F 39 Concrete trowels . . . . . . . . . 7 14,401 26,472 12,991 24,799 3531F 40 Concrete vibrators (electric motor, gasoline engine, structural high-cycle, pneumatic, etc.). . . . . . . . . 10 57,128 54,649 80,409 40,200 3531F 42 Concrete screeds (hand-propelled or winch type). . . . . . . . . . 6 2,814 4,830 2,374 5,441 3531F 43 Concrete batching plants, bin and batch, for concrete aggregate only and bulk cement. . . . . . . . . . . . . . 16 740 82,175 r/ 651 r/ 72,521 3531F 50 Concrete pumps, mobile . . . . . . 3 (D) (D) (D) (D) 3531F 56 Other concrete, plaster, and mortar mixing and paving machinery . . . . . . . . . . . . 4 880 11,143 (D) (D) For asphalt or bituminous applications: 3531F 66 Bituminous distributors. . . . . . 7 576 20,563 612 21,475 Bituminous pavers, self- propelled: 3531F 71 21,999 lbs. gross weight and under (basic unit). . . . . . . 8 974 59,163 1,053 48,195 3531F 75 22,000 lbs. gross weight and over (basic unit). . . . . . . 5 626 113,785 767 123,647 Asphalt plants, including cold mix central plants: 3531F 82 Less than 7500 pounds (239 tons per hour). . . . . . . . . 4 47 28,299 30 18,914 3531F 84 7500 pounds and over (240 tph and over) . . . . . . . . . 4 96 148,566 104 135,377 3531F 85 Bituminous stabilization mixing equipment, including central mixing plants and mix-in-place . . 5 190 52,737 181 45,602 3531F 89 Bituminous cold planers/milling machines (self-propelled) . . . . 4 (D) (D) 75 24,399 3531F 91 Other asphalt and bituminous mixing and paving machinery. . . . 9 889 14,724 907 15,725 3531F 95 Other products, for use in either concrete or bituminous applications . . . . . . . . . . . . 6 (D) 28,795 (D) (D) 3531G pt Off-highway trucks, truck-type tractor chassis, trailers, coal haulers, or wagons. . . . . . . . (X) 5,718 1,590,127 4,801 1,632,585 3531G 71 Off-highway rear dump haulers . . . . 8 (D) 1,457,286 r/ (D) 1,518,782 3531G 76 Other . . . . . . . . . . . . . . . . 9 (D) 132,841 r/ (D) r/ 113,803 3531C -- Tractor shovel loaders . . . . . . . . (X) 102,159 3,911,610 86,629 3,340,124 3531C 60 Skid steer loaders, 4-wheel drive skid steer, all sizes. . . . . 7 61,588 957,591 53,952 840,304 Wheel loaders, rear engine mount, integral design, 4-wheel drive, non-skid steer: 3531C 71 Under 79 net engine horsepower (NEHP) . . . . . . . . . . . . . . 3 (D) (D) (D) (D) 3531C 72 80-149 NEHP . . . . . . . . . . . . 7 6,448 529,000 5,017 376,701 3531C 73 150-249 NEHP. . . . . . . . . . . . 8 3,701 513,265 3,550 513,497 3531C 74 250 NEHP and over . . . . . . . . . 6 2,490 860,069 1,862 782,589 3531C 82 Crawler loaders . . . . . . . . . . . 2 (D) (D) (D) (D) 3531C 95 Integral design tractor shovel loader/backhoes (wheel tractor chassis shipped as part of front engine mount contractor tractor) . . 5 26,878 974,567 21,502 797,644 35315 -- Crawler tractors, contractors' off-highway-type wheel tractors, dozers, and self-propelled wheeled log skidders . . . . . . . . . . . . . (X) 11,630 1,720,279 11,961 1,697,202 35315 37 Wheeled log skidders, self- propelled. . . . . . . . . . . . . . 8 2,140 240,774 3,086 326,764 35315 99 Crawler tractors (except crawler loaders) and tracklaying and other contractors' off-highway- type wheel tractors and dozers . . . 11 9,490 1,479,505 8,875 1,370,438 3531G pt Motor graders and light maintainers . . (X) (D) (D) 3,762 588,373 3531G 11 Under 144 net engine horsepower (NEHP) . . . . . . . . . . . . . . . 6 (D) (D) (D) (D) 3531G 17 145 NEHP and over . . . . . . . . . . 3 (D) (D) (D) (D) 3531G pt Rollers and compactors. . . . . . . . . (X) (D) 654,605 r/ (D) r/ 517,602 Static smooth steel wheel rollers, tandem: 3531G 21 Under 3 metric tons. . . . . . . . 5 1,297 13,569 1,152 11,866 3531G 23 At least 3 but less than 5.5 metric tons. . . . . . . . . . . . 2 (D) (D) (D) (D) 3531G 26 5.5 metric tons and over. . . . . . 5 (D) (D) r/ (D) r/ (D) 3531G 32 Pneumatic tire rollers. . . . . . . . 7 537 22,947 406 16,261 Vibratory single drum with 1 or 2 drive wheels: 3531G 37 Under 5 metric tons . . . . . . . . 7 1,197 30,487 r/ 1,094 29,736 3531G 39 At least 5 but less than 8 metric tons. . . . . . . . . . . . 3 970 56,809 961 57,083 3531G 42 8 metric tons and over. . . . . . . 4 2,201 153,868 r/ 2,047 r/ 141,292 Vibratory double drum, two drums vibrating: 3531G 46 Under 5 metric tons . . . . . . . . 5 (D) (D) (D) (D) 3531G 49 At least 5 but less than 8 metric tons. . . . . . . . . . . . 2 (D) (D) (D) (D) 3531G 52 8 metric tons and over. . . . . . . 3 736 57,414 r/ 734 r/ 58,193 3531G 56 All other compaction equipment (except hand-held) including embankment and landfill com- pactors, towed roller and double drum compactors with one drum vibrating. . . . . . . . . . . . . . 4 (D) (D) (D) (D) 3531G pt Rough-terrain forklifts (integral units only). . . . . . . . . . . . . . (X) 8,100 499,872 6,803 412,330 3531G 81 Vertical mast, 2-wheel drive. . . . . 10 2,826 173,606 2,604 152,943 3531G 83 Vertical mast, 4-wheel drive. . . . . 7 577 19,765 294 8,911 3531G 85 Telescopic handlers, 2- and 4-wheel drive . . . . . . . . . . . 5 4,697 306,501 3,905 250,476 3531G 02 Scraper bowls . . . . . . . . . . . . . 4 2,427 237,532 2,013 121,467 3531J -- Ditchers and trenchers, self- propelled (integral units only). . . . (X) 10,543 238,663 10,098 209,120 Ladder-type digging element: 3531J 14 Under 2,000 lbs. gross weight . . . 4 (D) (D) (D) (D) 3531J 15 2,000 to 4,999 lbs. gross weight. . 4 (D) 55,799 (D) 50,607 3531J 16 5,000 lbs. gross weight and over. . 4 3,935 149,090 3,728 127,901 3531J 18 Wheel-type digging element. . . . . . 3 (D) (D) (D) (D) 3531Q -- Construction machinery for mounting on trucks, tractors, and other prime movers (except winches, hoists, and other materials-handl- ing equipment) . . . . . . . . . . . . (X) 60,030 254,715 r/ 50,248 r/ 214,466 3531Q 12 Backhoes, either shipped for mounting separately or already mounted on anintegral unit . . . . . 9 20,148 120,638 13,448 87,448 3531Q 99 All other, including sidebooms, pipehandlers, dozers, front-end loaders, shovel loaders, logging arches, rippers, rooters, contin- uous ditching and trenching attachments, fork lift attach- ments, cranes, cable power control units, hydraulic power control units, etc. . . . . . . . . 28 39,882 134,077 r/ 36,800 r/ 127,018 3531W pt Winches and materials-handling equipment for mounting . . . . . . . . (X) (D) (D) (D) (D) 3531W 90 Winches (towing, logging, and oil field types) . . . . . . . . . . . . 7 (D) 103,691 (D) 91,069 3531W 99 Other equipment . . . . . . . . . . . 2 (D) (D) (D) (D) 3531W pt Aerial work platforms . . . . . . . . . (X) (D) (D) (D) (D) 3531W 81 Boom type, self-propelled . . . . . . 9 17,429 852,548 13,763 714,362 3531W 83 Scissors type, self-propelled . . . . 11 27,289 406,819 24,927 365,192 3531W 85 Not self-propelled, boom and scissors type. . . . . . . . . . . . 6 (D) (D) (D) (D) 3531W 87 Truck mounted . . . . . . . . . . . . 13 12,257 392,240 10,602 330,976 D Withheld to avoid disclosing data for individual companies. r/Revised by 5 percent or more from previously reported data. S Does meet publication standards. X Not applicable. 1/For 1996, products 3531E 46 and 3531E 48 sum to: quantity, 323; value, 121,618. 2/For 1996, several new categories were created from one former category of "all other" products in product class 3531E. Estimates for three companies did not meet the publication standards for any of the resulting categories and are placed in product 3531E 00. Table 3. Shipments, Exports, and Imports of Selected Construction Machinery: 1997 and 1996 [Quantity in number of units. Value in thousands of dollars] Manufacturers' Export Import shipments 1/ shipments 3/ shipments 4/ Product description Quantity Value 2/ Quantity Value Quantity Value 5/ 1997 Wheel tractors, contractors' off-highway type, 2- and 4-wheel for use on natural terrain. . . . . . . . . . . . . . . . . . (D) (D) 3,568 114,369 4,315 29,053 Rubber-tired dozers . . . . . . . . . . . . (D) (D) 455 23,625 145 4,107 Wheeled log skidders, self-propelled . . . 2,140 240,774 1,458 65,798 1,007 87,025 Crawler tractors (except crawler loaders) . (D) (D) 1,735 325,441 5,753 393,178 Wheel loaders, rear engine mount, integral design 4-wheel drive, non-skid steer . . . (D) (D) 17,918 639,114 5,152 357,481 Skid steer loaders. . . . . . . . . . . . . 61,588 957,591 1,836 86,648 1,090 52,077 Crawler loaders . . . . . . . . . . . . . . (D) (D) 202 8,746 1,556 167,062 Excavators, hydraulic operated, crawler mounted . . . . . . . . . . . . . 15,182 1,570,415 2,495 302,035 9,422 733,016 Excavators, hydraulic operated, wheel (rubber) mounted . . . . . . . . . . . . . (D) (D) 65 7,550 1,327 106,788 Cranes, lattice boom, wheel (rubber) mounted. . . . . . . . . . . . . . . . . . 43 38,167 192 29,293 216 41,843 Cranes, wheel (integral), hydraulic operated, telescopic boom, multiple control stations (rubber mounted), including pinned on type, telescopic and articulated . . . . . . . . . . . . . (D) (D) 523 72,780 185 52,656 Cranes, wheel, hydraulic operated, telescopic boom, one control station (self-propelled, rubber mounted) . . . . . 2,262 357,054 911 99,271 160 19,302 Cranes, pedestal or shipmounted . . . . . . 79 27,572 790 13,266 188 56,284 Cranes, other . . . . . . . . . . . . . . . (D) (D) 636 120,621 327 54,498 Clamshell/grapple attachments . . . . . . . 606 14,849 3,997 6,875 3,210 5,623 Dragline buckets (attachments). . . . . . . 104 9,145 - - 1,187 2,235 Concrete mixers . . . . . . . . . . . . . . 21,163 443,352 1,800 14,566 39,748 28,461 Concrete pavers, finishers, and spreaders . . . . . . . . . . . . . . . . 74,824 147,088 1,412 35,239 2,249 3,813 Concrete pumps. . . . . . . . . . . . . . . (D) (D) 1,865 20,381 16,731 19,529 Bituminous pavers, finishers, and spreaders . . . . . . . . . . . . . . . . (D) (D) 614 39,328 2,798 3,212 Asphalt plants and bituminous stabilization mixing equipment . . . . . . 333 229,602 940 28,180 39 116 Scraper bowls . . . . . . . . . . . . . . . 2,427 237,532 3,762 6,217 1,027 11,104 Motor graders and light maintainers . . . . (D) (D) 1,783 178,525 720 73,320 Self-propelled vibratory compaction equipment . . . . . . . . . . . . . . . . (D) (D) 2,262 79,622 3,940 110,436 Self-propelled static compaction equipment. . . . . . . . . . . . . . . . . (D) (D) 924 46,650 605 15,254 Off-highway rear dump haulers, trucks and truck trailers, including ridged and articulated . . . . . (D) 1,457,286 3,126 412,977 294 51,557 Off-highway trucks, truck-type tractor chassis, trailers, and wagons . . . . . . . . . . . . . . . . . . (D) 132,841 1,950 253,701 1,753 276,124 Winches for mounting (towing, logging, and oil-field types). . . . . . . (D) 103,691 440,623 76,430 2,504,578 76,776 Backhoes for mounting . . . . . . . . . . . 20,148 120,638 2,699 9,032 4,322 2,984 Other construction machinery for mounting . . . . . . . . . . . . . . . 39,882 134,077 21,143 52,362 57,026 81,801 Self-propelled continuous ditchers and trenchers (integral units), ladder-type digging element. . . . . . . . (D) (D) 1,639 22,490 - - Self-propelled continuous ditchers and trenchers (integral units), wheel-type digging element . . . . . . . . (D) (D) 374 14,194 43 3,067 1996 Wheel tractors, contractors' off-highway type, 2- and 4-wheel for use on natural terrain. . . . . . . . . . . . . . . . . . (D) (D) 2,822 47,231 5,375 31,848 Rubber-tired dozers . . . . . . . . . . . . (D) (D) 303 12,090 32 3,561 Wheeled log skidders, self-propelled. . . . 3,086 326,764 1,019 61,339 588 59,359 Crawler tractors (except crawler loaders) . (D) (D) 1,873 337,147 4,541 296,965 Wheel loaders, rear engine mount, integral design 4-wheel drive, non-skid steer . . . (D) (D) 15,355 584,447 4,592 304,415 Skid steer loaders. . . . . . . . . . . . . 53,952 840,304 1,074 79,176 1,633 64,039 Crawler loaders . . . . . . . . . . . . . . (D) (D) 72 4,899 1,156 131,261 Excavators, hydraulic operated, crawler mounted . . . . . . . . . . . . . 12,952 1,471,494 2,016 246,279 7,025 586,480 Excavators, hydraulic operated, wheel (rubber) mounted . . . . . . . . . . . . . (D) (D) 48 8,181 1,253 110,723 Cranes, lattice boom, wheel (rubber) mounted . . . . . . . . . . . . . . . . . 39 29,701 165 24,427 31 25,875 Cranes, wheel (integral), hydraulic operated, telescopic boom, multiple control stations (rubber mounted), including pinned on type, telescopic and articulated . . . . . . . . . . . . . (D) (D) 513 68,082 157 83,349 Cranes, wheel, hydraulic operated, telescopic boom, one control station (self-propelled, rubber mounted) . . . . . 1,974 290,278 991 102,200 153 20,544 Cranes, pedestal or shipmounted . . . . . . 81 15,532 306 7,010 132 25,856 Cranes, other . . . . . . . . . . . . . . . (D) (D) 691 93,009 378 46,124 Clamshell/grapple attachments . . . . . . . 593 14,758 3,142 6,102 1,971 5,879 Dragline buckets (attachments). . . . . . . 94 8,028 - - 2,966 784 Concrete mixers . . . . . . . . . . . . . . r/ 21,327 426,088 1,426 15,992 32,371 17,961 Concrete pavers, finishers, and spreaders . . . . . . . . . . . . . . . . 96,244 122,855 841 20,647 628 3,151 Concrete pumps. . . . . . . . . . . . . . . (D) (D) 1,617 16,879 7,073 15,572 Bituminous pavers, finishers, and spreaders . . . . . . . . . . . . . . . . 2,507 217,716 573 27,094 94 537 Asphalt plants and bituminous stabilization mixing equipment . . . . . . 315 199,893 368 13,973 37 1,108 Scraper bowls . . . . . . . . . . . . . . . 2,013 121,467 140 141 1,058 12,618 Motor graders and light maintainers . . . . 3,762 588,373 2,114 195,435 474 39,175 Self-propelled vibratory compaction equipment . . . . . . . . . . . . . . . . (D) (D) 1,707 65,832 4,358 93,058 Self-propelled static compaction equipment. . . . . . . . . . . . . . . . . (D) (D) 489 34,914 424 16,176 Off-highway rear dump haulers, trucks and truck trailers, including ridged and articulated . . . . . r/ 2,636 1,518,782 3,133 495,297 191 46,806 Off-highway trucks, truck-type tractor chassis, trailers, and wagons . . . . . . . . . . . . . . . . . . r/ 2,165 r/ 113,803 1,469 251,441 1,345 208,353 Winches for mounting (towing, logging, and oil-field types) . . . . . . (D) 91,069 282,728 70,005 2,106,101 56,776 Backhoes for mounting . . . . . . . . . . . 13,448 87,448 1,688 5,701 2,008 2,069 Other construction machinery for mounting . . . . . . . . . . . . . . . r/ 36,800 r/ 127,018 29,095 50,774 41,597 60,756 Self-propelled continuous ditchers and trenchers (integral units), ladder-type digging element. . . . . . . . (D) (D) 978 13,501 - - Self-propelled continuous ditchers and trenchers (integral units), wheel-type digging element . . . . . . . . (D) (D) 321 10,220 58 1,731 - Represents zero. D Withheld to avoid disclosing data for individual companies. r/Revised by 5 percent or more from previously published data. 1/See table 4 for comparability. 2/Value f.o.b. plant. 3/Source: Bureau of Census report EM 545, U.S. Exports. 4/Sources: Bureau of Census report IM 145, General Imports, and IM 146, U.S. Imports for Consumption. 5/Represents the c.i.f. (cost, insurance, and freight) value at the first port of entry in the United States plus import duties. Table 4. Comparability of Product Descriptions for Manufacturers', Export, and Import Shipments, 1997 and 1996 SIC-based Schedule B HTSUSA product export import Product description 1/ code 2/ number 3/ number 4/ Wheel tractors, contractors' off- 35315 99 8701.90.5015 8701.90.5015 highway type, 2- and 4-wheel for (in part) 8701.90.5020 8701.90.5020 for use on natural terrain 8701.90.5025 8701.90.5025 terrain Rubber-tired dozers 35315 99 8429.19.0010 8429.19.0010 (in part) Wheeled log skidders, self-propelled 35315 37 8701.90.1001 8701.90.1001 Crawler tractors (except crawler 35315 99 8701.30.0015 8701.30.1015 loaders) (in part) 8701.30.0030 8701.30.1030 8701.30.0045 8701.30.1045 8701.30.0060 8701.30.1060 8701.30.0075 8701.30.1075 8701.30.5015 8701.30.5030 8701.30.5045 8701.30.5060 8701.30.5075 Wheel loaders, rear engine mount, 3531C 71 8429.51.1015 8429.51.1015 integral design 4-wheel drive, 3531C 72 8429.51.1025 8429.51.1025 non-skid steer 3531C 73 8429.51.1030 8429.51.1030 3531C 74 8429.51.1035 8429.51.1035 8429.51.1040 8429.51.1040 8429.51.1045 8429.51.1045 8429.51.1050 8429.51.1050 8429.51.1055 8429.51.1055 Skid steer loaders 3531C 60 8429.51.1060 8429.51.1060 Crawler loaders 3531C 82 8429.51.5010 8429.51.5010 8429.51.5020 8429.51.5020 8429.51.5030 8429.51.5030 8429.51.5040 8429.51.5040 8429.51.5050 8429.51.5050 Excavators, hydraulic operated, 3531E 05 8429.52.1010 8429.52.1010 crawler mounted 3531E 06 3531E 07 Excavators, hydraulic operated, 3531E 19 8429.52.1030 8429.52.1030 wheel (rubber) mounted Cranes, lattice boom, wheel 3531E 35 8426.41.0010 8426.41.0010 (rubber) mounted 8705.10.0010 8705.10.0010 Cranes, wheel (integral), hydraulic 3531E 42 8705.10.0050 8705.10.0050 operated, telescopic boom, multiple 3531E 44 control stations (rubber-mounted) 3531E 46 including pinned-on type, telescopic 3531E 48 and articulated 3531E 57 Cranes, wheel, hydraulic operated, 3531E 61 8426.41.0090 8426.41.0090 telescopic boom, one control station 3531E 64 (self-propelled, rubber-mounted) 3531E 67 Cranes, pedestal or shipmounted 3531E 84 8426.30.0000 8426.30.0000 Cranes, other 3531E 22 8426.49.0010 8426.49.0010 3531E 24 8426.49.0090 8426.49.0090 3531E 72 8429.52.1020 8429.52.1020 3531E 74 3531E 76 3531E 78 3531E 89 Clamshell/grapple attachments for 3531E 97 8431.41.0040 8431.41.0040 power cranes, draglines, and excavators (sold separately) Dragline bucket attachments for 3531E 95 8431.41.0060 8431.41.0060 power cranes, draglines, and excavators (sold separately) Concrete mixers 3531F 22 8474.31.0000 8474.31.0000 3531F 31 3531F 43 Concrete pavers, finishers, and 3531F 33 8479.10.0040 8479.10.0040 spreaders 3531F 39 3531F 40 3531F 42 Concrete pumps 3531F 50 8413.40.0000 8413.40.0000 Bituminous pavers, finishers, and 3531F 66 8479.10.0060 8479.10.0060 spreaders 3531F 71 3531F 75 3531F 89 Asphalt plants and bituminous 3531F 82 8474.32.0000 8474.32.0000 stabilization mixing equipment 3531F 84 3531F 85 Scraper bowls 3531G 02 8431.49.9045 8431.49.9045 Motor graders and light maintainers 3531G 11 8429.20.0000 8429.20.0000 3531G 17 Self-propelled vibratory compaction 3531G 37 8429.40.0020 8429.40.0020 equipment 3531G 39 3531G 42 3531G 46 3531G 49 3531G 52 3531G 56 Self-propelled static compaction 3531G 21 8429.40.0040 8429.40.0040 equipment 3531G 23 3531G 26 3531G 32 Off-highway rear dump haulers, trucks 3531G 71 8704.10.5020 8704.10.5020 and truck trailers, including 8704.10.5030 8704.10.5030 ridged and articulated 8704.10.5040 8704.10.5040 8704.10.5050 8704.10.5050 Off-highway trucks, truck-type 3531G 76 8704.10.5060 8704.10.5060 tractor chassis, trailers, and wagons 8704.10.1000 8704.10.1000 Winches for mounting (towing, logging, 3531W 90 8425.31.0000 8425.31.0000 and oil-field types 8425.39.0000 8425.39.0000 Backhoes for mounting (whether 3531Q 12 8431.49.9005 8431.49.9005 or not mounted on an integral unit) Other construction machinery for 3531Q 99 8428.90.0030 8428.90.0030 mounting, including sidebooms, pipe- 3531W 99 8428.90.8030 8428.90.8030 handlers, dozers, front-end loaders, 8431.42.0000 8431.42.0000 rippers, and rooters 8431.49.9010 8431.49.9010 8431.49.9015 8431.49.9015 Self-propelled continuous ditchers and 3531J 14 8429.59.5020 8429.59.5020 trenchers (integral units), ladder-type 3531J 15 digging element 3531J 16 Self-propelled continuous ditchers 3531J 18 8429.59.5040 8429.59.5040 and trenchers (integral units), wheet-type digging element 1/Used in table 3. 2/Standard Industrial Classification code; see table 2. 3/Source: 1996 edition, Harmonized System-Based Schedule B, Statistical Classification of Domestic and Foreign Commodities Exported from the United States. 4/Source: Harmonized Tariff Schedule of the United States, Annotated (1997).