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When the '''Terex 33-19 "Titan"''' prototype was built in 1973, ithahahaha the largest, highest capacity haul truck in the world, a distinction it would hold for the next 25 years. The 33-19 "Titan" was an off-[[highway]], [[Haul truck#Ultra Class|ultra class]], rigid frame, three-[[axle]], diesel/[[Alternating current|AC]] electric [[powertrain]] [[haul truck]] designed by the [[Terex]] Division of [[General Motors]] and assembled at [[General Motors Diesel Division]]'s [[London, Ontario]], [[Canada]] assembly plant. Only one 33-19 "Titan" was ever produced. After 13 years in service, the 33-19 "Titan" was restored and is now preserved on static display as a tourist attraction in [[Sparwood, British Columbia|Sparwood, BC]], Canada.
When the '''Terex 33-19 "Titan"''' prototype was built in 1973, it became the largest, highest capacity haul truck in the world, a distinction it would hold for the next 25 years. The 33-19 "Titan" was an off-[[highway]], [[Haul truck#Ultra Class|ultra class]], rigid frame, three-[[axle]], diesel/[[Alternating current|AC]] electric [[powertrain]] [[haul truck]] designed by the [[Terex]] Division of [[General Motors]] and assembled at [[General Motors Diesel Division]]'s [[London, Ontario]], [[Canada]] assembly plant. Only one 33-19 "Titan" was ever produced. After 13 years in service, the 33-19 "Titan" was restored and is now preserved on static display as a tourist attraction in [[Sparwood, British Columbia|Sparwood, BC]], Canada.


==Development==
==Development==

Revision as of 09:56, 2 December 2012

Terex 33-19 "Titan"
Overview
ManufacturerTerex Division of the General Motors Corporation
ProductionPrototype, 1973
AssemblyLondon, Ontario, Canada
Body and chassis
ClassUltra class
Body styleDump truck
LayoutFront engine, rear wheel drive
Powertrain
EngineEMD 16-645E4
Arrangement: V-16
Power: 3,300 horsepower (2,500 kW)
Capacity: 10,343 cubic inches (169.49 L)
TransmissionAC Electric
Dimensions
Wheelbase29 ft 11 in (9.12 m)
Length66 ft 9 in (20.35 m)
Width25 ft 7 in (7.80 m)
Height22 ft 7 in (6.88 m)
Curb weightGVWR 1,209,500 pounds (548.6 t)

When the Terex 33-19 "Titan" prototype was built in 1973, it became the largest, highest capacity haul truck in the world, a distinction it would hold for the next 25 years. The 33-19 "Titan" was an off-highway, ultra class, rigid frame, three-axle, diesel/AC electric powertrain haul truck designed by the Terex Division of General Motors and assembled at General Motors Diesel Division's London, Ontario, Canada assembly plant. Only one 33-19 "Titan" was ever produced. After 13 years in service, the 33-19 "Titan" was restored and is now preserved on static display as a tourist attraction in Sparwood, BC, Canada.

Development

General Motors developed the 33-19 "Titan" in response to the need for more efficient haul trucks by open pit mine operators. GM believed that a general decrease in mineral ore quality combined with a projected need to mine oil shale and tar sands would increase the quantity of ore hauled by surface mine operators' trucks, worldwide.[1] The 33-19 "Titan" was the largest in the Terex 33 series of off-road haul trucks, which also included the 33-03, 33-05, 33-07, 33-09, 33-11 and the 33-15. The 33-19 "Titan" and the 33-15 both used diesel/AC electric powertrains, while the other, smaller members of the 33 series of haul trucks used mechanical powertrains.

Assembly

The 33-19 "Titan" was assembled at the General Motors Diesel Division's London, Ontario, Canada assembly plant in 1973.[2][3]

Public Debut

The 33-19 "Titan" was first shown to the public in October, 1974 at the American Mining Congress in Las Vegas, NV.[4]

Production

GM predicted that when the 33-19 "Titan" entered regular production, it would cost approximately US$1.5 million in 1976 dollars (approximately US$5.8 million in inflation-adjusted 2011 dollars).[5][6] However, the 33-19 "Titan" never entered regular production. The worldwide coal market softened in the late 1970s, causing coal mines to decrease production and economize by rebuilding existing equipment or purchasing smaller haul trucks with proven operational records. The projected market for the 33-19 "Titan" never materialized and the prototype was the only unit ever assembled.[2]

Specifications

The 33-19 "Titan" has a payload capacity of 350 short tons (320 t), a net vehicle weight of 509,500 pounds (231,100 kg) and a gross vehicle weight of 1,209,500 pounds (548,600 kg). At the time of its construction in 1973, the 33-19 "Titan" was the largest, highest payload capacity truck ever built.[7] The 33-19 "Titan" remained the highest capacity haul truck in existence for 25 years until the debut of the 360-short-ton (330 t) payload capacity Caterpillar 797 in September, 1998.[8][9]

Fully loaded, the 33-19 "Titan" had a top speed of 29.8 mph (48.0 km/h)

The 33-19 "Titan" required ten 40.00x57 tires.[7]

Powertrain

The 33-19 "Titan" used a diesel/AC electric powertrain that consisted of an Electro-Motive Division model 16-645E4, 16-cylinder, gross 3,300 hp (2,461 kW), 10,320-cubic-inch (169.1 L), turbocharged, intercooled, unit injection, locomotive engine directly coupled to an Electro-Motive Division model AR10-D14, 10-pole, AC electric alternator sending DC power via a rectifier to General Motors model D79CF traction motors at each of the four rear wheels.[10][11]

Steering

The 33-19 "Titan" utilized a power, all-wheel steering system. The front wheels swept through a 71-degree arc. At a preset point as the front wheels moved off-center, the eight rear wheels would also begin to steer, moving up to a maximum of 10 degrees off center.[5]

Service history

Terex placed the 33-19 "Titan" into service with Kaiser Steel at the Eagle Mountain, CA Iron Mine in January, 1975.[12][13] The 33-19 "Titan" suffered frequent downtime problems but over the course of its four years of service at the Eagle Mountain mine, the 33-19 "Titan" hauled approximately 3.5 million tons of earth.

In late 1978, the 33-19 "Titan" was sent to Kaiser Steel's Sparwood, Canada mine. The mine was acquired from Kaiser Steel by B.C. Resources in 1980. When the mine was subsequently acquired by Westar Mining in 1983, the 33-19 "Titan" was repainted from its original Terex lime green livery to Westar Mining's blue and yellow livery. Shortly after, Westar Mining purchased the 33-19 "Titan" from General Motors for US$200,000 and $1 million of spare parts. During Westar Mining's ownership, the 33-19 "Titan" had an uptime rate of more than 70% and regularly hauled loads exceeding 350 short tons (320 t). Westar Mining retired the 33-19 "Titan" from service in 1991.

Public Display

Front view of the restored 33-19 "Titan" on static display in Sparwood, B.C., shown in "Terex green" livery.

After acquiring the Sparwood Mine in late 1992, Teck Corporation offered the 33-19 "Titan" for preservation as a public monument in 1993. The Sparwood, British Columbia Chamber of Commerce completed a fund raising effort, restored the 33-19 "Titan", and promotes it as a tourist attraction. The 33-19 "Titan" is on static display off Highway 3 in Titan Park, 141 Aspen Drive, Sparwood, British Columbia, Canada.[14] Although the 33-19 "Titan" was restored, the engine has been removed.

See also

Notes

  1. ^ The Age 1975, p. 19.
  2. ^ a b Haddock 1998, p. 121.
  3. ^ Mercer 1999.
  4. ^ Haddock 1998, p. 122.
  5. ^ a b Lamm 1976, p. 162.
  6. ^ U.S. Bureau of Labor Statistics 2011.
  7. ^ a b Terex Division 1974, p. 2.
  8. ^ Alves et al. 2003, p. 51.
  9. ^ Woof 2006, p. 26.
  10. ^ Lamm 1976, p. 158.
  11. ^ Terex Division 1974, p. 1.
  12. ^ Hoppe 1978, p. 217.
  13. ^ Lamm 1976, p. 89.
  14. ^ District of Sparwood 2010.

References

  • "350-tonne haulers startle industry". The Age. Melbourne, Victoria, Australia: Fairfax media. 1975-05-19. Earth Moving Feature. Retrieved 2010-03-15. ...the Titan had been engineered and built to meet the present and future demands of the open pit mining industry for more efficient high-production capacity haulers...
  • Alves, Michael; Haddock, Keith; Halberstadt, Hans; Sargent, Sam (2003-12-27). "Chapter 5: Off Highway Trucks". Heavy Equipment (Crestline ed.). St. Paul, Minnesota, United States: MBI Publishing Company. ISBN 978-0-7603-1775-4. Retrieved 2011-04-08. At 350-tons capacity, it was the world's largest truck, a title it held for some 25 years.{{cite book}}: CS1 maint: ref duplicates default (link)
  • "CPI Inflation Calculator". bls.gov. U.S. Bureau of Labor Statistics. 2011. Retrieved 2011-04-08. $1,500,000 in 1976 has the same buying power as $5,834,156.41 in 2011
  • "District of Sparwood - Titan Terex". sparwood.bc.ca. District of Sparwood. Archived from the original on 2010-03-01. Retrieved 2010-03-01. Visit the Terex Titan, located in Sparwood...
  • Haddock, Keith (1998-08-16). "Chapter Six Off-Highway Trucks". Giant Earthmovers An Illustrated History. Crestline. United States of America: MBI Publishing Company. ISBN 978-0-7603-0369-6. Retrieved 2010-03-01. The Titan...(was) built by the GM Diesel Division in London, Ontario. {{cite book}}: External link in |chapterurl= (help); Unknown parameter |chapterurl= ignored (|chapter-url= suggested) (help)CS1 maint: ref duplicates default (link)
  • Hoppe, Richard, ed. (1978-07-01). E/MJ Operating Handbook of Mineral Surface Mining and Exploration. E/MJ Library of Operating Handbook. Vol. Vol. 2 (Hardcover ed.). New York, New York, United States: McGraw-Hill Higher Education. ISBN 978-0-07-019518-9. Retrieved 2011-04-08. A prototype of the 33-19 has been operating at Kaiser Steel's Eagle Mountain iron mine in California since January 1975. {{cite book}}: |volume= has extra text (help)CS1 maint: ref duplicates default (link)
  • Lamm, Mike (1976). "Highballing the World's Largest Truck". Popular Mechanics. Hearst Corporation. Retrieved 2011-04-08. GM has been running the Titan dump truck at the Kaiser iron mine in Eagle Mountain, Calif. {{cite web}}: Unknown parameter |month= ignored (help)CS1 maint: ref duplicates default (link)
  • Mercer, Mike (1999-03-01). "New era of mine haul truck giants". Diesel Progress North American Edition. Diesel Progress. Archived from the original on 2010-03-01. Retrieved 2010-03-01. As early as 1973 Terex developed a three-axle, 350-ton hauler...{{cite web}}: CS1 maint: ref duplicates default (link)
  • "Terex 33-19 Hauler Form No. GMD 1946" (PDF). Canada: Terex Division of General Motors Corporation. 1974. Retrieved 2010-08-30. {{cite web}}: Unknown parameter |month= ignored (help)
  • Woof, Mike (2006-03-24). Hitch, Lindsay; Gansen, Steve (eds.). Ultra Haulers: Global Giants of the Mining Industry. United States of America: MBI. ISBN 978-0-7603-2381-6. Retrieved 2010-03-01. ...the 33-19, which offered a 350-U.S.-ton/316-tonne capacity that would not be surpassed for over 20 years.{{cite book}}: CS1 maint: ref duplicates default (link)

Further reading

External links

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