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2. Three-point hitch - Wikipedia

   en.wikipedia.org/wiki/Three-point_hitch

   Three-point hitches are composed of three movable arms. The two lower arms—the hitch lifting arms—are controlled by the hydraulic system, and provide lifting, lowering, and even tilting to the arms. The upper center arm—called the top link—is movable, but is usually not powered by the tractor's hydraulic system.

3. Caterpillar D8 - Wikipedia

   en.wikipedia.org/wiki/Caterpillar_D8

   Several types of bulldozer blade can be used on the front of the tractor: Straight ("S-Blade"): A short blade with no lateral curve and no side wings. It can be used for fine grading; Angle: held by a U shape frame that has three holes on each side, to set the blade to 3 positions: right, center, and left.

4. Vickers VR180 Vigor - Wikipedia

   en.wikipedia.org/wiki/Vickers_VR180_Vigor

   Vigor with bulldozer blade. The Vickers VR180 Vigor was a British crawler tractor, built from 1951 to 1958 by Vickers-Armstrongs. Since the 1920s, the company gained substantial experience in the design and construction of tanks and continuous track vehicles. After the war they developed a civilian crawler tractor that could be sold for use in ...

5. Caterpillar D9 - Wikipedia

   en.wikipedia.org/wiki/Caterpillar_D9

   It is usually sold as a bulldozer equipped with a detachable large blade and a rear ripper attachment. The D9, with 354 kW (474 hp ) of gross power and an operating weight of 49 short tons (44 t), is in the upper end of Caterpillar's track-type tractors, which range in size from the D2 69 kW (92 hp), 9 short tons (8.2 t), to the D11 698 kW (935 ...

6. Box blade - Wikipedia

   en.wikipedia.org/wiki/Box_blade

   A box blade is a type of implement used on tractors for smoothing and contouring land. It is almost always unpowered, though can have auxiliary hydraulics attached in order for adjustments to be made without leaving the seat of the tractor. It is attached to the tractor via the three point hitch.

7. Caterpillar D6 - Wikipedia

   en.wikipedia.org/wiki/Caterpillar_D6

   A hydraulic winch can be outfitted on the rear of the machine for towing or pulling; for forestry work, usually with a lighter front blade as well, for pushing the brush and trees about. A ripper with a single or multiple shanks can be added to the rear of the machine to break up hard soil or rock.