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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.
Peterbilt 386 sleeper-cab–style commercial 6×4 tractor unit. A tractor unit, also known as a truck unit, lorry unit, power unit, prime mover, ten-wheeler, semi-tractor, semi-truck, semi-lorry, tractor cab, truck cab, lorry cab, big rig tractor, big rig truck or big rig lorry or simply a tractor, truck, lorry, semi, big rig or rig, is a characteristically heavy-duty towing engine that ...
Some tractor operators have raised concerns about using ROPS in low-clearance environments, such as in orchards and buildings. In response, NIOSH developed an Automatically Deploying Rollover Protective Structure (AutoROPS) which stays in a lowered position until a rollover condition is determined, at which time it deploys to a fully extended and locked position.
The Farmall 60 series tractors are general-purpose row-crop tractors that replaced the larger models of the Farmall letter series beginning in 1958. Produced from 1958 to 1963, the Farmall 460 and 560 tractors represented a modernization of the Farmall H and Farmall M respectively, with higher-horsepower 6-cylinder engines in a restyled body.
The problem with ballast tractors was the weight of ballast itself weighted over 10, 20 or even 40 tons in some scenarios. Other designs also included sleeping cabins in the ballast for the drivers and the crew for longer journeys and harsh weather conditions, [ 5 ] This made the height of the tractors increase significantly, these units are ...
A large ballast tractor pulling a load using a drawbar General duty tow hitch from VBG on a truck and a drawbar on a trailer, showing a connected drawbar eye Rockinger drawbar coupling, in which the drawbar eye gets locked. A drawbar is a solid coupling between a hauling vehicle and its hauled load. Drawbars are in common use with rail ...
Agricultural equipment is any kind of machinery used on a farm to help with farming.The best-known example of this kind is the tractor.. From left to right: John Deere 7800 tractor with Houle slurry trailer, Case IH combine harvester, New Holland FX 25 forage harvester with corn head.
The B was first produced in 1935. It was a general-purpose row-crop tractor, less expensive than the Model A at about two thirds the A's size. As with most row-crop tractors, the spacing between the rear wheels could be adjusted to suit row spacings, and the front wheels were offered with wide and narrow wheel arrangements. The B could work two ...