Wikipedia

Jeep DJ

TheJeep DJ(also known as theDispatcher) is atwo-wheel drivevariant of thefour-wheel driveCJseries. Production started in 1955 byWillys,which was renamedKaiser Jeepin 1963. In 1970,American Motors Corporation(AMC) purchased Kaiser's money-losing Jeep operations and establishedAM General,awholly owned subsidiarythat built the DJ through 1984.

Jeep DJ
A 1975 Jeep DJ-5D inUnited States Postal Servicelivery, pictured in 2007.
Overview
ManufacturerWillys Motors(1955–1962)
Kaiser Jeep(1963–1970)
American Motors Corporation(1970)
AM General(1971–1984)
Also calledMail Jeep
Production1955–1984
Body and chassis
ClassTruck
Body styleThree-door commercial vehicle
LayoutFR layout
PlatformJeep CJ
RelatedJeep CJ
Powertrain
EngineVarious
TransmissionVarious manual and automatic
Dimensions
Wheelbase80 in (2,032 mm) (Most)
Curb weight3,400 lb (1,542 kg)
Chronology
SuccessorGrumman LLV,Wrangler Unlimited,KurbWatt

DJ-3A

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The DJ-3A was introduced in 1955 for the 1956 model year. It was inexpensive because it used Jeep's existing tooling and technology.[1]At the time, it was the lowest-priced production car offered in the United States, with a 1956 base price ofUS$1,284(equivalent to $14,400 in 2023).[2]It used the body style of the olderCJ-3A,along with theL-134engine. Unlike the CJ-3A, it came with either asteering columnor a floor-mounted shifter for the three-speed Borg-Warner T-96 manual transmission.

The vehicle was offered with many different body options, including a soft top, metal top, or a full van body withsliding doors.[3]The marketing focused on it being "perfect for economical deliveries" and "for carefree business and pleasure transportation."[4]One model was a postal delivery vehicle with the driver's position on the right side for mailbox delivery.[5]

In early 1959, Willys introduced theJeep Galato the export markets and users desiring the nimble size and open bodywork, but did not need a four-wheel drive system.[6]This model gained popularity as a "fun car" atresortsinHawaii,Mexico,and islands in theCaribbean.It was available in pink, green, or blue paint and trimmed with a striped fabric top in white and colors that matched the body, as well as a decorative whitefringe.[6]

In fall 1959, a similar model called theJeep Surreywas introduced in the US market.[7]The primary target markets were resort hotels and vacation centers.[8]It also served as a low-cost rental vehicle for their guests. The Surrey came with a standard striped fabric top, as well as a matching fabric cover for what was advertised as a "Continental tiremount. "[9]

  • 1964 DJ-3A Surrey
  • 1964 DJ-3A Surrey
  • 1964 DJ-3A Surrey
  • 1964 DJ-3A Surrey

DJ-5 and DJ-6

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The DJ-3A was replaced by theright hand driveDJ-5Dispatcher 100in 1965. It was based on theCJ-5and used theHurricaneandDauntlessengines. A 20-inch (508 mm) longerwheelbaseDJ-6model was built from 1965 through 1973 alongside theCJ-6.

DJ-5A through DJ-5M

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Jeep DJ-5 in the red, white, and blue livery used from 1954 until 1979[10]
DJ-5 in the white color scheme used by USPS after 1979[10]

TheUnited States Postal Serviceused 1953 Willis Jeeps, Cushman Mailmasters, and sit-stand trucks to motorize more than half of the suburban residential routes by 1969.[10]The Postal Service held a competition in 1968 to select a light delivery vehicle, evaluating theFord Bronco,International Scout,and the Jeep Dispatcher 100 (DJ-5).[11]The USPS selected the Jeep Dispatcher. The first units were delivered in the northern U.S., replacing the three-wheeled Mailsters that were too small and weak to maneuver through winter's snow and ice.[12]The Jeeps became widely used by the USPS during the 1970s and 1980s.[10]

The DJ-5 models built for the United States Post Office were rudimentary vehicles for mail carrier needs with an automatic transmission, an enclosed metal cabin with sliding doors, a sorting table that carriers used to help process mail along the route, and a right-hand drive for quickly reaching mailboxes without leaving the vehicle's seat.[13]

The right-hand drive Postal Service DJs came without power steering and were built with a lighter, less durable design than the standard Jeep. These changes included the use of C-channel frame rails (as opposed to the box rails of the CJ-5), and while the hood was the exact dimensions as (and interchangeable with) the CJ, it did not have the reinforced design of the original. The standard configuration had only a driver's seat and a letter tray installed. This decreased curb weight, combined with different leaf springs than other models, allowed carrying more cargo weight behind the driver.

The metal side doors were designed to slide open and closed. They could also be locked open while driving. They were supported by ball bearings, which ran in a channel just under the rain gutter, and a plastic retainer ran in a small channel along the body. A worn, damaged, or lost retainer would allow the door to swing outward, fail to engage the rubber stop on the rear bumper, and slide entirely off the channel (and the vehicle). A single, hinged rear door gave access to the cargo area from the floor to the bottom of the hard top, and the door was the width of the open area between the wheel wells.

AM General used a variety of engines during production. Production of the DJ ended in 1984 with the DJ-5M, which used the 150 cu in (2.5 L)AMC straight-4 engine.

With the DJ serving many decades, the Postal Service developed a list of the characteristics of an ideal postal delivery rather than selecting an existing vehicle.[13]Three finalists in 1985 were American Motors, a joint venture between Fruehauf and General Automotive Corporation, and a joint venture between General Motors and Grumman. The GM-Grumman LLVor Long Life Vehicle was selected. Nevertheless, after being retired by the Postal Service, a few DJs remain in daily use delivering mail through 2023, as privately owned vehicles of Postal Service employees.[14]

  • Dashboard and interior of 1976 DJ-5D
  • DJ-5 in post-USPS use with elongated grille
  • DJ-5 in post-USPS with large swinging rear door
DJ-5x model summary
Model Years Mfr. Qty[15] Engine Transmission
DJ-5A 1968–70 Kaiser Jeep 24,000 Chevrolet153,[16]153 cu in (2.5 L) Powerglide2-spAT
DJ-5B 1970–72 American Motors(1970)
&AM General(1971+) 		16,000 AMC I6,232 cu in (3.8 L) BorgWarner T-35,3-spAT
DJ-5C 1973–74 21,000 BorgWarner T-35or M-11, 3-spAT
DJ-5D 1975–76 13,000 TorqueFlite A727,3-spAT
DJ-5E 1976 350 Gould, Inc.DC traction motor and 18 kW-h lead-acid battery[17]
DJ-5F 1977–78 6,000 AMC I6,232 or 258 cu in (3.8 or 4.2 L) TorqueFlite A727,3-spAT
DJ-5G 1979 9,000 Audi/VW EA831,[18]121.1 cu in (2.0 L) TorqueFlite A904,3-spAT
DJ-5L 1982 18,000 GMIron Duke,150.8 cu in (2.5 L)
DJ-5M 1983–84 30,000 AMC I4,150 cu in (2.5 L)

DJ-5A

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The DJ-5A was introduced in 1967, beginning the lettering system, indicating changes within the series. As initially produced by Kaiser Co., the DJ-5A used a standard CJ front end. It was equipped with a four-cylinderChevrolet153engine, shared with the contemporaryNova,[16]and two-speedPowerglideautomatic transmission, with a T-handle shifter located on the floor next to the driver's seat. The main body was a single unit, resembling the earlier Jeep equipped with the metal Extreme Cold Weather Enclosure hard top.

There were no cutouts in the body for the rear wheels, which made tire changes more difficult, as even when the frame was jacked well off the ground, the axle did not fall enough for the tire to clear the body. The DJ-5A used standard 15-inch passenger car tires, with no provision for carrying a spare. While the front bumper was of the standard CJ design (though thinner and lighter than the original), the rear bumper was a unique design, a single stamped part that ran the full width of the vehicle. At each end was a rubber stopper for the sliding doors. The 10-gallon fuel tank was under the rear body, just ahead of the bumper.

DJ-5B

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Close up of DJ-5 grille, with unique 5 slot design

After American Motors purchased Kaiser-Jeep in 1970, theAMC Straight-6 enginereplaced theChevy 153.[16]In 1971, a unique five-slot grille without turn signals that were used only on postal Jeeps were introduced. The 1971 model has the grille extend past the front of the hood edge. This allowed more room for the larger engine and radiator. Like the DJ-5A, while resembling the CJ series, these were built as a completely enclosed,rear-wheel drivevehicle, with sliding side doors (which could be opened while driving), and a swinging rear door. Most models only had the driver's seat and a mail tray where the second seat would typically be. One improvement over earlier Jeeps was mounting the rear springs outside of the frame rails, thus providing greater stability for the vehicle with its top-heavy enclosed cargo area, especially at highway speeds. Most models were also equipped with alimited slip differentialand a heavy-duty steering gearbox. Other improvements include a vent in the roof and cut-outs around the rear tires.

DJ-5E Electruck

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DJ-5E Electruck in USPS livery at NASA'sGlenn Research Center

American Motors experimented withelectric vehiclesand starting in 1974 mass-produced the DJ-5E, a rear-wheel drive electric delivery van, also known as theElectruck.[19]

Similar in appearance and in most of its dimensions, the DJ-5E was powered by a set of 27-volt lead-acid batteries with a 54-volt 30 bhp (22 kW; 30 PS) compound wound DC motor.[20]The motor was mounted in the location of the conventional transmission with a short driveshaft to the rear differential featuring a 5.89:1 gear ratio. The engine bay contained the battery pack totaling 330 amp hours (17.8 kWh) capacity.[21]The Electruck featured an electronic, silicon-controlled, rectifier-based, and continuously-adjustable speed electronic module made byGould Electronicsthat controlled forward or reverse direction, provided forregenerative braking,and supplied 12-volt power for accessories and lighting.[20][21]The Electruck had a top speed of 40 mph (64 km/h) and was capable of cruising at 33 mph (53 km/h) with a range of 29 mi (47 km) with 20% of its battery power remaining in reserve.[22]

Analysis by NASA in 1977 concluded that the DJ-5E was "state-of-the-art."[21]The U.S. Postal Service performed a "Route Profile Analysis," and the DJ-5E returned with a favorable verdict.[21]It purchased 352 vehicles for mail delivery in cities with severe air pollution.[22]Five units were acquired byCanada Postfor a total of 357 Electrucks built by AM General.[21]

Model numbers

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  • DJ-3A (1955–65): 134 cu in (2.2 L)Willys Go Devilstraight-4 L-head engine, three-speed manual
  • DJ-5 (1965–67): 134 cu in (2.2 L)Willys Hurricanestraight-4 F-head engine, three-speed manual
  • DJ-5A (1968–70): 153 cu in (2.5 L) Chevy Novastraight-4,two-speedPowerglideautomatic
  • DJ-5B (1970–72): 232 cu in (3.8 L)AMC Straight-6 engine,BorgWarner T-35 three-speed automatic
  • DJ-5C (1973–74): 232 cu in (3.8 L) AMC Straight-6 engine, T-35 or M-11 automatic
  • DJ-5D (1975–76): 232 cu in (3.8 L) AMC Straight-6 engine, 727TorqueFliteautomatic
  • DJ-5E (1976):ElectruckElectric
  • DJ-5F (1977–78): 232 cu in (3.8 L) or 258 cu in (4.2 L) AMC Straight-6 engine, 727 TorqueFlite automatic
  • DJ-5G (1979):AMC (Audi)121 cu in (2.0 L) straight-4, 904 TorqueFlite automatic or 232 cu in (3.8 L) or 258 cu in (4.2 L) AMC Straight-6 engine, 727 TorqueFlite automatic
  • DJ-5L (1982):GM Iron Duke engine151 cu in (2.5 L) straight-4, Chrysler 904 transmission
  • DJ-5M (1983–84): 150 cu in (2.5 L)AMC straight-4 engine,Chrysler 904 transmission

See also

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References

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  1. ^Redmond, Derek (23 January 2018)."The DJ-3A Dispatcher Sibling of the CJ-3B, 1955-65".cj3b.info.Retrieved9 December2020.
  2. ^"Can You Afford a Second Car?".Changing Times.April 1956. p. 18.Retrieved10 August2023.Also on the market is the Willys Dispatcher, cheapest of all production cars—foreign or American. Introduced this year, this two-wheel-drive passenger Jeep with two front seats, two side-positioned rear seats, canvas top and sides and four-cylinder motor costs $1,284.
  3. ^"Light-Delivery Jeep with Two-Wheel Drive Has Sliding Doors".Popular Science.February 1956. p. 123.Retrieved10 August2023.
  4. ^"Jeep History in the 1950s".jeep.Retrieved9 December2020.
  5. ^"Jeep for Mail Carriers Mounts Steering Wheel on the Right".Popular Mechanics.101(3): 154. March 1954.Retrieved9 December2020.
  6. ^abStatham, Steve (2002).Jeep Color History.MBI Publishing. p.57.ISBN9780760306369.Retrieved12 November2011.jeep gala.
  7. ^"Fringe on Top".Popular Science.December 1959. p. 83.Retrieved10 August2023.
  8. ^Foster, Patrick R. (2004).The Story of Jeep.Krause Publications. p. 102.ISBN9780873497350.Retrieved12 November2011.
  9. ^"Pink Jeep (advertisement)".The New Yorker.Vol. 35. 1959.Retrieved12 November2011.
  10. ^abcdOffice of the Historian, Corporate Affairs (2022).The United States Postal Service: An American History(PDF).United States Postal Service. pp. 129–130.ISBN9780963095251.Retrieved1 May2024.
  11. ^"Responses to written questions submitted by Senator Ted Stevens".Annual Report of the Postmaster General(Report). Subcommittee on Federal Services, Post Office, and Civil Service of the Committee on Governmental Affairs, United States Senate. April 7, 1989.Retrieved10 August2023.
  12. ^"Jeep - Object Details".Smithonian National Postal Museum.Retrieved1 May2024.
  13. ^abSachek, Richard (24 July 2023)."This Classic USPS Vehicle Perfectly Embodies Its Name".slashgear.Retrieved1 May2024.
  14. ^Kim, Robert (25 March 2023)."1982 Jeep DJ-5 Dispatcher–Still Delivering The Mail After 30 Years".curbsideclassic.Retrieved1 May2024.
  15. ^Willinger, Kurt; Gurney, Gene (1983)."Appendix A: The U.S. Postal Service Jeep".American Jeep in war and peace.New York: Crown Publishers. pp. 130–135.ISBN0-517-54734-1.Retrieved10 August2023.
  16. ^abcMartin, Murilee (January 26, 2013)."Junkyard Find: 1968 Kaiser Jeep DJ-5A, With Factory Chevy Power".thetruthaboutcars.Retrieved10 August2023.
  17. ^Dustin, Miles O.; Tryon, Henry B.; Sargent, Noel B. (October 1977).Baseline tests of the AM General DJ-5E Electruck Electric Delivery Van(Report). National Aeronautics and Space Administration, Lewis Research Center.Retrieved10 August2023.
  18. ^Martin, Murilee (January 22, 2013)."Junkyard Find: 1979 AM General DJ-5G Jeep, With Factory Audi Power".The Truth About Cars.Retrieved10 August2023.
  19. ^Committee on Appropriations; House of Representatives; Ninety-fifth Congress; second session (1978).Department of the Interior and related agencies appropriations for 1979.U.S. Government Printing Office. p. 343.Retrieved26 December2010.
  20. ^abAutomobile Club d'Italia (1977).World Cars 1977.Herald Books. p. 34.ISBN9780910714099.
  21. ^abcdeSchreiber, Ronnie (15 November 2019)."Decades before GM's EV1, these postal Electruck Jeeps delivered the goods".hagerty.Retrieved1 May2024.
  22. ^abHyde, Charles K. (2009).Storied Independent Automakers: Nash, Hudson, and American Motors.Wayne State University Press. p. 222.ISBN9780814334461.Retrieved26 December2010.
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