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Farm Tractor Implements.
CONSLDERABLE progress has been made during the past year in the development of inaplements for use with the farm tractor. At the .Lincoln trials last September some very useful improved implements were to be seen, including the Saunderson and the Glasgow cultivators for strong land, as well as disc-harrows for general purposes. Plough improvement has been a matter of constant attention since tractor work was first thought of in this country, and very satisfactory improvements and modifications have been made all round. Perhaps one of the lessons of tractor work is that, in most cases, the appliances require specially-designed ploughs, and the line of plough development seems to hav.e followed that of providing implemen.ts suited to, the different makes and types of tractor.
The progress that has been made since last September is most gratifying, and provides a great contrast with the implements used for tractor purposes some two or three years ago.
At first it was thought great if a tractor would draw an ordinary horse-plough, either single-furrow or double-furrow, and an illustration herewith shows a Howard horse-plough being drawn by tractor. It will be noticed, however, that in this case the ploughing is very deep.
An excellent four-furrow tractor-plough for use on heavy land is made by Manna, of Leeds. In the earlier days, and especially at trials, sufficient importance was not attached to the value of a proper plough. The better the plough and the more suited it is to tractor requirements, the greater will be the impression which the tractor will give of its
capabilities for doing good work. ' • Messrs. J. and F. Howard, of Bedford, have made some very, good tractor-ploughs, one of 'their 'models, known as the L.B.Z. three-furrow tractor-plough, fitted with self-life device, having been designed to withstand the. 'rough usage attendant upon tractor ploughing. The beams are made of the • besl. materials, and are securely braced and riveted together, being set out to plough furrows 9 ins'. wide, an up to 8'ins, deep. The steel mould:boards are of the general-pUrpose type, and are fitted to specially strong Cast-steel frames. Special' chilled digging bodies can be supplied, and are interchange
able with the gprieral-purpose bodies on the plough.-The shares are of _the ordinary steamplough socket pattern, easily reae wable.
and can be supplied either in cast-steel or in chilled east-iron. Steel knife coulters are fitted to this plough, but., if swivel-dim coulters are required, these can be supplied, and are interchangeable with the ordinary knife coulters. Thue_is also sufficient space for skim coulters if requi/b-d. The power-lift is extremely simple and quick in operation, the driver merely having to pull a cord, when the plough is automatically lifted clear of the ground for passing round the headland. Another pull of the cord causes the plough to drop into work. Separate levers are supplied to the furrow and land .wheel,, so that there is ready adjustment of the depth. These ploughs can be'used as two-furrow by removing the hind body, the necessary bracket for the hind wheel being part of the. three-furrow
attachment. Theyalso supply an excellent twofurrow plough.
An excellent product for a large tractor is that known as the Howard L.B.Z. tractor-plough. This plough, whilst based upon the original champion colonist plough, as used for years for direct traction, has been gradually modified and improved, and is now the most useful general-purpose plough for English conditions. Work behind: a tractor is far more severe than behind a team of horses, and in the construction of this plough, all through, this fact has been carefully borne in mind. The massive beams are made with solid-forged, mortices and wedged-shaped cross-bars forged in one-piece with the beams. These crossbars, secured by keys, connect the beams together, as well as several screwed adjusting stays. The easy adjustment of the beams for varying widths of ploughing is thus attained, whilst maintaining a beam practically as strong as one made without the advantage of expansion.
The width of ploughing can be varied from 9 ins. to 12 ins., and toa depth of 9 ins. The frames are solid wrought-iron forgings, and a tab welded into the beams, to which they are also bolted, gives extra support to them, especially against the risk of bending sideways. A separate lever is provided for the furrow-wheel, which is steered 'by means of a rod and lever with a rack, both within easy reach of the ploughman..on the;-seat.
The land-wheel lever, carried upon an improved wrought-iron bracket, is so connected that the lift
-ing of the plough -out of work isassisted by••the draught of the tractor.
This plough can be converted into one furrows if desired. As we have alreajy stated, some ploughs are much more suitable to certain types of tractors than others, but there are ploughs which have a wider range of tractor service, that is, they prove equally effective with a number of different makes of tractor, and that is the peculiar characteristic of the Howard ploughs. They are essentially generalpurpose implements, and can be used with a number of tractors.
In the illustrations it will be noticed • that the lower-end of the mould-board is cut eharply'away, thus reducing friction, and, therefore, draught.
One of the outstanding features of all the county agricultural shows held to date this year has been the obvious fact that the design of implements is now of three being extensively modified to suit them for mechanical