International Loadstar

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International Loadstar
International Loadstar (7884398178) (cropped).jpg
Overview
Manufacturer International Harvester (1962-1978)
Production1962-1978
Body and chassis
Class Class 6-7
Body style Truck (bonneted cab)
Layout 4x2, 4x4, 6X4, 6X6
Powertrain
Engine Gasoline
*154–210 hp (115–157 kW)
Diesel
*113–200 hp (84–149 kW)
Transmission 4, 5, 7, 8, and 10-speed manual
4 and 6-speed automatic
Chronology
Predecessor International Harvester R-Series
Successor International Harvester S-Series

The International Loadstar is a series of trucks that were produced by International Harvester from 1962 to 1978. [1] The first product line of the company developed specifically as a medium-duty truck, the Loadstar was slotted between C-Line pickup trucks and the heavy-duty R-series. Following the discontinuation of the R-series, the Loadstar was slotted below the Fleetstar and Transtar conventionals.

Contents

Produced primarily as a straight truck, the Loadstar was developed primarily for applications such as local delivery, construction, and agriculture. Along with fire truck applications, the Loadstar was offered as a "Schoolmaster" cowled school bus chassis.

In 1978, International introduced the medium-duty S-Series, consolidating the Loadstar and Fleetstar into a single model family. [2]

Production and models

1972-1978 Loadstar with tilting hood 1970s IHC Loadstar 1600 at Hershey 2019.jpg
1972-1978 Loadstar with tilting hood

International manufactured a complete line of trucks and used few light and medium-duty vendor parts. A conservative company, components had long production runs without model year changes. The Loadstar itself changed very little over its sixteen year production run. Early models were recognizable by their grey grill, curved fenders and "butterfly" hood, but a squared-off one-piece fiberglass tilting hood was added to the line-up from model year 1972 onwards. [3]

Loadstar

Most Loadstars had a medium-duty 4x2 chassis, but 4x4, 6x4, and 6x6 models were also built. A four-door crew cab was also available. The cab, also used on the Fleetstar (during its first few years of production), had been introduced on the A-series in 1957.

Models included: Binder, 1600, 1700, 1750, 1800, F1800, 1850, and F1850, with the numbers indicating the size and weight rating of the model. The 1750 and 1850 had mid-range diesels. The 1600 and 1700 were available with 4x4, the F1800 and F1850 had tandem rear axles.

Loadstar CO

1970 International Loadstar CO 1700 1970 International Loadstar CO 1700 Truck - 02.jpg
1970 International Loadstar CO 1700

The Loadstar CO 1600, 1700, and 1800 were forward control cab-over-engine versions of the Loadstar, built from 1963 until 1970. They were available with loaded weights from 19,500 to 27,500 pounds (8,800 to 12,500 kg). For 1971, the Loadstar CO became the Cargostar, with a wider cab and larger grille; the model line would be produced through 1986.

Schoolmaster

1970s International Loadstar 1603 "Schoolmaster" with school bus body Superior IHC Loadstar school bus.jpg
1970s International Loadstar 1603 "Schoolmaster" with school bus body

The Schoolmaster 1603, 1703, 1803, and 1853 were cowl-chassis models used for school-bus type bodies, the 1853 was also available as a forward control bare chassis for flat-nosed bodies. The Schoolmaster had longer wheelbases available than the Loadstar, otherwise they were mechanically the same.

Design overview

1962-1971 Loadstar hood badging 1969 International Loadstar 1800 prime mover (5987212572).jpg
1962-1971 Loadstar hood badging

Chassis

Models other than semi-tractors had vacuum assisted hydraulic drum brakes standard. Air over hydraulic and full air brakes were available. A driven front axle and tandem rear axles were available on some models (cab-over-engine models could have neither). Loaded weights were from 18,200 to 30,200 pounds (8,300 to 13,700 kg) and up to 50,000 pounds (23,000 kg) including trailers. [4]

Engines

Gasoline, CNG, and mid-range diesel engines were used. The short hood of the Loadstar meant that V-8 engines fit better than straight-six engines.

The V304/345/392 family was the primary engine of the Loadstar between 1962 and 1973. They are 304, 345, and 392 cubic inches (5.0, 5.7, and 6.4 L) overhead valve gasoline V8s. They developed 193, 197, and 236 horsepower (144, 147, and 176 kW) respectively. CNG V345s were also available. In 1962 the V304 was standard on the 1600 and 1700 while the V345 was standard on the 1800. On most models the next larger engine was optional. In 1974 the V345 became standard on the 1600.

The MV404 was introduced in 1974. It was a 404 cubic inches (6.6 L) overhead valve gasoline V8 with a 4-barrel carburetor. It developed 210 horsepower (160 kW) and 366 pound force-feet (496 N⋅m) of torque. It became standard on the 1700 and 1800.

The BD264/282/308 family were the only inline-six cylinder gasoline engines offered. They were 264, 282, and 308 cubic inches (4.3, 4.6, and 5.0 L) and developed 154, 136, and 202 horsepower (115, 101, and 151 kW) respectively.

Mid-range diesels were International V8s up to 200 horsepower (150 kW), the Detroit Diesel 6V53 with 195 horsepower (145 kW), and Perkins inline-sixes up to 130 horsepower (97 kW).

Model [5] Max. front GAWR [lower-alpha 1] Max. rear GAWRMax. GVWR [lower-alpha 2] Engine [lower-alpha 3] Trans
Binder5,000 LB (2,270 kg)14,200 lb (6,440 kg)19,200 lb (8,711 kg)V-3454 spd.
16007,500 lb (3,400 kg)17,000 lb (7,700 kg)24,500 lb (11,100 kg)V-3455 spd. [lower-alpha 4]
1600 4x46,000 lb (2,700 kg)14,200 lb (6,400 kg)35,000 lb (16,000 kg)V-3455 spd.
17009,000 lb (4,100 kg)18,500 lb (8,400 kg)27,500 lb (12,500 kg)MV-4044 spd.
1700 4x49,000 lb (4,100 kg)17,000 lb (7,700 kg)26,000 lb (12,000 kg)V-3455 spd.
18009,000 lb (4,100 kg)21,200 lb (9,600 kg)30,200 lb (13,700 kg)MV-44610 spd.
18509,000 lb (4,100 kg)21,200 lb (9,600 kg)30,200 lb (13,700 kg)D-1705 spd.
F1800 6x410,860 lb (4,930 kg)34,000 lb (15,000 kg)44,600 lb (20,200 kg)MV-4045 spd.
F1850 6x412,000 lb (5,400 kg)34,000 lb (15,000 kg)46,000 lb (21,000 kg)D-1705 spd.
  1. Gross Axle Weight Rating is the loaded weight of the axle.
  2. Gross Vehicle Weight Rating is the loaded weight of the truck.
  3. Highest rated engine for model.
  4. A 4 spd. automatic was available.

Driveline

Four and 5-speed manual transmissions were used. All gasoline single axle models could have a 2-speed rear axle. Diesel models were available with 8- and 10-speed Roadranger manual transmissions. Four and 6-speed automatic transmissions were available on some models.

The Loadstar name was revived in 2012 for a series of heavy duty low-slung cabover trucks, particularly suitable for waste hauling. [6] The Loadstar offered a stainless steel cab, an industry first, making it resistant to the corrosion associated with waste disposal, airplane refueling, and other such fields for which the truck was intended. [7]

Production was scheduled to begin in 2013 but never did.

Related Research Articles

<span class="mw-page-title-main">International Harvester</span> American manufacturing company

The International Harvester Company was an American manufacturer of agricultural and construction equipment, automobiles, commercial trucks, lawn and garden products, household equipment, and more. It was formed from the 1902 merger of McCormick Harvesting Machine Company and Deering Harvester Company and three smaller manufacturers: Milwaukee; Plano; and Warder, Bushnell, and Glessner. Its brands included McCormick, Deering, and later McCormick-Deering, as well as International. Along with the Farmall and Cub Cadet tractors, International was also known for the Scout and Travelall vehicle nameplates. In the 1980s all divisions were sold off except for International Trucks, which changed its parent company name to Navistar International.

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<span class="mw-page-title-main">Chevrolet/GMC B series</span> Motor vehicle

The Chevrolet and GMC B series was a series of cowled chassis that were produced by General Motors. Produced across three generations from 1966 to 2003, the model line was a variant of medium-duty trucks marketed under the Chevrolet and GMC nameplates. Initially derived from the medium-duty C/K series, later examples were derived from the GMT530 architecture.

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<span class="mw-page-title-main">International L series</span> Type of truck

The International L series was introduced by International Harvester in fall 1949 as the replacement for the KB series and were available as everything from light pickup trucks and delivery vehicles to full-size tractor-trailers. Electric wipers, a radio, and a clock were optional. International would continue to produce the line until 1952 when it was replaced by the R series.

<span class="mw-page-title-main">International Transtar</span> Truck range

The International TranStar, is a range of Class 8 trucks produced by Navistar International for North America. Produced nearly exclusively as a semitractor, the product range is focused towards local delivery and regional shipping.

<span class="mw-page-title-main">Ford L series</span> Motor vehicle

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<span class="mw-page-title-main">International S series</span> Motor vehicle

The International S series is a range of trucks that was manufactured by International Harvester from 1977 to 2001. Introduced to consolidate the medium-duty IHC Loadstar and heavy-duty IHC Fleetstar into a single product range, the S series was slotted below the Transtar and Paystar Class 8 conventionals.

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The International Paystar is a series of trucks that was manufactured by International Harvester and its successor, Navistar International. Produced from 1973 to 2017 across three generations, the Paystar replaced the long-running 210/230 and M-series. Developed for both on and off-road use, the Paystar was the largest commercially-marketed product range sold by International, intended for vocational applications. For 2017, the Paystar underwent a substantial redesign, becoming the International HX series.

The bus chassis variant of the International S series is a cowled bus chassis that was produced by International Harvester from 1979 to 2001. Produced primarily for school bus applications, the chassis was also produced for other applications, including commercial-use buses and cutaway-cab buses. In addition, the cowled chassis formed the basis for front-engine and rear-engine stripped chassis produced for bus applications.

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The International R series is a model range of trucks that was manufactured by International Harvester. Introduced in 1953 as the replacement for the International L series, the model line marked the introduction of the IH "tractor" grille emblem on International road vehicles. Sharing a cab with its predecessor, the R-series marked the introduction of four-wheel drive vehicles and the wider use of diesel engines.

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The International Metro Van, made by International Harvester, is a step van, also known as walk-in or multi-stop delivery truck. This vehicle type was one of the earlier, mass-produced forward control vehicles, once commonly used for milk or bakery delivery, as well as ambulance services, mobile offices, and radio transmitter vans. Typically, they were 1/2-, 3/4-, or 1-ton panel trucks that allowed the driver to stand or sit while driving the vehicle.

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The International WorkStar is a line of severe duty trucks produced by Navistar, Inc. The WorkStar is the successor to the 7400 and 7600 series trucks produced by International. Starting in 2008 the "thousand series" name was dropped in favor of the WorkStar. This change was reflected in the physical construction of the truck in the form of a new hood and grill along with increased MaxxForce Engine options.

<span class="mw-page-title-main">International Fleetstar</span> Motor vehicle

The International Fleetstar is a series of heavy-duty trucks that was produced between 1962 and 1977 by International Harvester. Slotted above the Loadstar and below the Paystar and Transtar conventionals introduced after it, the Fleetstar was the first truck line that International designed specifically for vocational use.

<span class="mw-page-title-main">Ford F-Series (ninth generation)</span> Motor vehicle

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<span class="mw-page-title-main">International Light Line pickup</span> Motor vehicle

The International Light Line pickups replaced the C-Series as International's Light Line range of pickup trucks in early 1969, for a shortened model year. The name started out as a simple continuation of the previous A-, B-, and C-series trucks. It was largely a rebodied version of its predecessors, with a square-rigged look very similar to the period Scout utility vehicle. The Travelall underwent parallel changes to the Light Line trucks. The light line of trucks was marked by a larger range of transmission and wheelbase options than any of its competitors, and in general the lineup aimed to maximize adaptability. The Light Line was also available as a bare chassis, for special purpose applications. Production ended in late April 1975, as a hard-pressed International chose to focus on the Scout and on heavier machinery.

References

  1. Wren, James A.; Wren, Genevieve (1979). Motor Trucks of America . Ann Arbor MI: The University of Michigan Press. pp. 247, 320. ISBN   0-472-06313-8.
  2. Crismon, p. 492
  3. Take another look- it's also a Loadstar (Brochure). International Harvester. 1972. New optional tilt hood and a new grille combine to make the Loadstar look wider, more powerful, and way ahead in styling [...].
  4. Motor's Truck and Diesel Repair Manual (26 ed.). Motor. 1973. pp. 946–948. ISBN   0-910992-16-9.
  5. "International Truck Specifications - Loadstar Line". Wisconsin Historical Society. 2013. Retrieved 2014-10-28.
  6. "Introducing the New International Loadstar". Navistar, Inc. 2012. Archived from the original on 2012-10-11.
  7. Navistar International Corporation (2012-03-21). "Navistar Introduces International Loadstar Work-Truck" (Press Release). PR Newswire. Archived from the original on 2016-03-04.