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A standard dump truck is a truck chassis with a dump body mounted to the frame. The bed is raised by a vertical hydraulic ram mounted under the front of the body (known as a front post hoist configuration), or a horizontal hydraulic ram and lever arrangement between the frame rails (known as an underbody hoist configuration), and the back of ...
The safety of the M939 series of trucks has been criticized, especially braking performance and stability when loaded. In 1999 the U.S. Army began retrofitting anti-lock brake systems to the M939 trucks. [24] Until the trucks were modified, they were limited to a 40 mph (65 km/h) top speed by an Army-wide safety order. [citation needed]
A Johnson bar activated parking/emergency brake on a 1930s White transit bus. Johnson bar is the term for several different hand-operated levers used in vehicles. Their distinguishing feature is a positive latch, typically spring-loaded, to hold the lever in a selected position, capable of being operated with one hand.
A-B were also significant for their all wheel driven and all wheel steering motor graders often using Leyland Trucks running gear as were also producers of ADT models called the RDX Series with 6X6. A line of rigid dumpers was manufactured from 30 tonne RD030 through to the 50 tonne RD050 and eventually a RD55 and RD65 were added.
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Top: Pipe clamp; Upper row: F-clamp or bar clamp, one-handed bar clamp ("Quick Grip"), wooden handscrew; Lower row: spring clamp, C-clamp (G-clamp ), wooden cam clamp. A clamp is a fastening device used to hold or secure objects tightly together to prevent movement or separation through the application of inward pressure.
Dodge's Job-Rated trucks used flathead sixes, originally developed by Plymouth, [3] throughout the 1939–1947 range. In the light half-ton trucks, a 201.3-cubic-inch (3,299 cc) engine was initially standard, with 70 hp (52 kW) in 1939, but uprated to 79 hp (59 kW) in 1940, [14] and 82.5 hp (61.5 kW) by 1941. The three-quarter-ton and one-ton ...
Early trucks used a standard Diamond T commercial cab (also used by the 4-ton G509 trucks). In August 1943 it was replaced with an open military cab. A long butterfly hood had vertical louvers along both sides. [3] [8] A short ballast body was mounted behind a mid-mounted winch.