Content deleted Content added
m Fix deprecated image syntax in infobox or other minor fixes using AWB |
m Dating maintenance tags: {{Fact}} {{Use American English}} |
||
| (14 intermediate revisions by 13 users not shown) | |||
Line 1:
{{Use American English|date=November 2024}}
{{Use dmy dates|date=November 2024}}
{{Infobox weapon
| name=Mack NR
| image= Mack-NR.JPG
| image_size = 300
| caption=Mack NR truck;
| origin={{flag|United States}}
| type=Cargo truck
Line 17 ⟶ 19:
| suspension=wheels, 6x6
| speed=
| engine= Mack-Lanova ED [[diesel engine]],<br>6-
| engine_power=131 [[horsepower|hp]]
| pw_ratio=
| fuel_capacity=
Line 29 ⟶ 31:
== History ==
Before the outbreak of [[World War II]] France had bought in [[United States]] 210 Mack EXBX heavy trucks for [[Tank transporter|transporting tanks]]. The outcome of the [[Battle of France]] prevented the delivery of these trucks to France, and Great Britain received them instead.{{fact|date=November 2024}}
The [[British Purchasing Commission]] acting in the United States contracted the provision of Mack heavy trucks for military use; this resulted in the NR series. Every order was given its own number even if the performance remained unchanged or the differences were minimal; this resulted in the NR-1 to NR-20 designations.{{fact|date=November 2024}}
=== NR-1 to NR-7 ===
In 1940 an initial order was placed with Mack for 90 heavy trucks in the 10-ton category under the designation NR-1.<ref name = MACK /> These trucks were similar to those provided to the British troops through the French order, but were not specifically equipped for tank transport. The NR-1 was a variant of a basic civilian version that was marketed in the 1930s by Mack; however with a solid grill to protect the [[radiator]] and headlamps, and an extra roof above the [[Cabin (truck)|cab]] to prevent overheating. These vehicles were assigned to the [[Mediterranean and Middle East theatre of World War II|Middle East]] and the [[South-East Asian theatre of World War II|Far East]] theatres. The trucks were powered by a six-cylinder Mack-Lanova ED [[engine]] which could deliver 131 [[Horsepower|HP]] at 2,000 rpm; driving a TR 12 Duplex [[Transmission (mechanics)|transmission]] with five gears. The rear wheels, with tyre size 13.50-20, were the only with power, hence the [[6×4 (drivetrain)|6x4]] designation; the front wheels had a different tire size, namely 10.50-24,. The empty weight was just over 10 tons.<ref name = MACK /> The cost per vehicle was around $9,000.
The initial order was quickly followed by two follow-up orders, for the NR-2 and NR-3 models. The NR-2 was a military version of the Model 270 driver's cab and it differed in small details; this cab was used until the introduction of the open cabin. The British ordered 330 units of this model. In 1941 61 units of the NR-3 model were ordered; this was meant for long-distance transport in the Middle East by the logistics department of the British Army, the [[Royal Army Service Corps]] (RASC). The dimensions were 8.2 meters long, 2.6 meters wide and 2.5 meters high. The empty weight was 9.3 tons, and this version had a slightly different wheel size (11.00-24 front and 14.00-20 rear).<ref name = MACK />
The NR-4 variant was like the Mack EXBX, a special version for [[Tank transporter|tank transport]]. On August 21, 1941, an order was placed for 200 units.<ref name = MACK /> They were identical to the NR-3 but with a flat-floor cargo area, a [[winch]], and ramps to upload the tank to the cargo area. The empty weight was about 11.7 metric tons, and the total weight load was less than 22.7 tons. The vehicle was designed to transport the [[M3 Stuart]] light tank, which weighed almost 13 tons, but could also be used for transporting the [[Cruiser Mk II]] A10, and [[Valentine tank]].
The NR-5 variant had a Duplex TRD 37 gearbox, but was otherwise identical to the NR-3.
Line 48 ⟶ 50:
The NR-16 was in fact the last order placed during the war; 455 units were delivered in 1945. The order for the NR-17 was canceled at the end of World War II.<ref name = MACK /> After the war, the Americans ordered 600 units for the European armies then being re-established; [[Belgium]] and [[Netherlands]] each received 150 vehicles (NR-18 and NR-19) and [[France]] received 300 units (NR-20).<ref name = MACK />
In total, 16 548
== Description ==
Line 187 ⟶ 189:
| first = Bart
| authorlink =
| title = A Record of Military Macks in the Services and Beyond
| publisher = After the Battle
Line 201:
{{Mack Trucks}}
{{WWIIBritishSoftVeh}}
{{DEFAULTSORT:Mack NR}}
[[Category:Mack Trucks vehicles|NR]]
[[Category:Military trucks of the United States]]
[[Category:Military vehicles
[[Category:World War II military vehicles]]
[[Category:World War II vehicles of the United States]]
| |||