Representative Makers of Agrimotors.
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Short Descriptions of most of the Principal Types of British-made Agri.. cultural Tractors, etc. We deal fully with the Wyles Self-contained Plough in previous pages.
Barford and Perkins, Ltd.
Head Office and Works : Queen Street Ironworks, Peterhorough."
Telegraphic acidress " Earford Peterborough."
We have included a considerable notice. of the interesting road rollers which are manufactured by this company in our Section C., which deals with rootor-driven apparatus..of the special types which are used by Government and municipal authorities. As, however, it may he possible to consider some of these particular models as being useful for agricultural purposes, and •indeed they are used with Cambridge rollers to a considerableextent at the present time, we have thought it useful to include this cress reference, in order that those who are interested in this handy little machine may turn up our other notice to which we have referred.
The Daimler Co., Ltd.
Head Office and Works : Coventrii, England. Telegraphic address : "Daimler Ooyentry."
Thu Daimler Cu., when it decided, in the early part of r912, to embark on the production of industrial-vehicle models, included in its programme two interesting models of agrimotors. The 100 h.p. machine is of most-imposing design: its six-cylinder Daimler-Knight engine transmits its power through a massive worm drive, and thence through pinion and external spur gearing to the rear road wheels, which latter are standardized at 8 ft. in diameter. This large machine is stated to be cauable of hauling from 14 to 21 disc ploughs when cutting up to 8 in. deep. The engine is started by means -4 a small air-cooled, 3 h.p. petrol engine. The other Daimler agrimotor model is of the 36 h.p. type, and this was first exhibited at the Royal Agricultural Show at Nor wick in June, 1911. This machine has been subjected to considerable tests before agriculturists in various part of Great Britain. We understand that a batch of the larger models is in hand for the Argentine.
William Foster and Co., Ltd.
Works and Offices : Wellington Foundry, Firth Road, Lincoln.
Telegraphic address: " Foster Lincoln."
This constructor has, of course, for many years specialized in all kinds of steam-haulage plant for use on common roads, and both the small steam tractor and the larger types-of steam traction engines have put up good records in regard to the direct haulage of motor ploughs. Towards the end of 1912, however, a representative of this journal was invited to 'witness tests with a remarkable new agrimotor: which has been built by Fester's, and which embodies a large two-cylinder horizontal petrol engine constructed by Hornsby's. Sim
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plicity is the keynote of the design of this big Colonial model. The drive is taken by plain spur gears from one end of the crankshaft by means •of a large-diameter Ferodo-lined friction clutch. Special and ingenious means have been adopted to ensure the easy starting of this big engine.
John Fowler and Co. (Leeds), Ltd, Works and Head Office : Steam Plough Works, Leeds. Telegraphic address : "Fowler Leeds."
'Fowler's, of Leeds, have a world-wide reputation for the production of heavy steam ploughing and traction plant. their decision to produce a corresponding machine which should depend for its motive power upon an oil engine, when itwas first mooted created very considerable interest amongst users and other makers of plant of this class. The Fowler patent oil tractor is undoubtedly of very clever design. and it is noteworthy from the fact that the general contour and arrangement of the steam tractor has been closely followed. A powerful horizontal opposed Intel-Lai-combustion engine is mounted over what, in the steam model, would be the fire-box shell, and this drives through gearing cunningly arranged inside toe side plates, which would be the .fire-box walls, to an internal-spur final drive. Then the smoke-box and the chimney are duplicated, the former as a radiator, and the latter as an exhaust box. This interesting machine, quite apart from its taking appearance, is of eminently practical capabilities. The engine can be used on paraffin, kerosene, alcohol, benzol, or of course, on ordinary petroleum spirit. It develops well over 50 b.h.p., and it is claimed that it can pull a six-furrow plough on ordinary land, and haul a net load up to 15 tons on the highway. It can be used for all the ordinary purposes about a farm, such as chaff cutting, grinding, sawing, pumping, etc. Particulars of this latest model produced from the well-known steam plough works in Leeds, as well as of the many ploughing and traction-engine types with which this company has secured so wide a reputation all over the world, will be readily sent on application either to the Leeds or the London offices.
Ivel Agricultural Motors, Ltd.
Head Office and Works : Biggleswade, Bedfordshire. Telegraphic address : " Iyel Biggleswade."
'The Ivel agrimotor represents the result of the labours and experiments of pioneers in regard to power-propelled plant of this kind. The latest type of Iyel tractor is fitted with a 24 h.p., two-cylinder, water-cooled horizontal engine. Dry cells are employed for ignition purposes in those countries where there is no possibility of recharging accumulators. The transmission is, as usual; by two chains, a silent Hails Renold chain from the main engine shaft to the intermediate shaft, and thence on to the hack axle, the latter being fitted with differential gear. The patent Ivel paraffin vaporizer, which was first fitted to the Ivel tractor some eight years ago, is so constructed that petrol, benzine, alcohol or paraffin may be used with slight adjustment. The standard tractor complete weighs 37 cwt., and it is claimed that, as this weight is distributed over three wide wheels, the detrimental effect due to pressure on the land is considerably less than when cattle are used for doing similar work. The price of the standard machine, including patent paraffin vaporizer, is 367 10s. f.o.r. Biggleewade. Suitable equipment of small parts is advised at any additional cost of £22.
Recent testimony as to the work which Ivel agrirnotors are doing Overseas has been received from Ho&err Schrantz, 8, Shuttleworthstrasse, Vienna, anti J. W. McCarron., Mareretin Kiapara, Auckland, New Zealand. The latter gentleman, who is a timber merchant, purchased his machine some eight years ago. He uses it principally for the cutting of timber 111 the bush.
Mann's Patent Steam Cart and Wagon Co„ Ltd.
Head Office and Works: Pepper Road Works, Hunslet, Leeds. London Office: 9, Fenehurch Avenue, E.C. Telegraphic addresses: "Canning Leeds" and "Intensely London."
The Mann steam tractor is designed in special form for agricultural work. The majority of its structural features are similar to those which are found in the other well-known Mann models. The tractor has sufficient power to pull a four-furrow plough on strong land when ploughing 6 to 7 in. deep, and a five-furrow plough when a shallower furrow is desired, It will also drive a 4 ft. 6 in threshing machine with a straw lifter attachment, as well as grinding, pulping or other farm machinery. It will haul two self-binders in harvest time, and will, in addition, pull loads up to eight tons on average roads. It only weighs about 41 tons, and this is spread over a wheel width of 4 ft. 8 in., and the machine makes little or no impression on the land even when it is soft. Sufficient water is carried for half a day's plough. ing. It is illustrated on a previous page in this section. Marshall, Sons and Co., Ltd.
Chief Office and Works: Britannia Iron Works, Gain thorough.
Telegraphic address: " Marshalls Gainsborough."
The Marshall agrimotor or oil tractor has already achieved very considerable success in Overseas districts. It is made in two principal sizes, and these are fitted with 16 h.p. and 32 inp. internal-combustion engines respectively. The carburettor, which normally is designed for the consumption of petrol, can also be adapted for use with kerosene, alcohol, etc. The transmission is taken from the flywheel by a Ferodo-lined clutch, and thence, by means of gearing enclosed in the gearbox and, finally, by spur gears to the main driving wheels. Practical experience has already yielded definite figures in regard to cost of operation of these machines for laud cultivation, and Marshall's standard catalogue contains much that is informative in this respect. The Marshall models are specially designed to enable them to be operated in very difficult country. They have been tested under conditions which are remarkable for their severity.
Noteworthy success has been achieved' with the Marshall agrimotor in Canada, and it has been found that it can he operated without drawback in exceptionally-low temperatures. With regard to costs of operation, we would refer our readers to an article in this section dealing with the scope of the large agrimotor. Marshall, Sons and Co., Ltd., has, for many years, produced great numbers of steam traction engines and steam ploughing plant of all kinds. Some of the Gainsborough light traction engines have been used to a considerable extent for direct haulage ploughing. The Colonial models of Gainsborough steamers are constructed on specially-light lines, although no sacrifice has been made in the efficiency and strength of the machines. Additional saving in cost is secured by the omission of much of the finish and polish which is customary on this class of plant at home. This type of machine is particularly intended to combat corresponding American models.
With regard to design, the engines, of course, are of the normal arrangement, although, in special cases, they are provided with open back footplates; feed-water heaters are supplied on certain standard models. Special arrangements are made in regard to the burning of straw, wood, and other similar fuels, when this is found necessary in out-of-the-way districts, • The Marshall steam road roller, with either single or compound cylinders, and fitted with the Marshal] patent scarifier, is another well-known type of machine produced in the Gainsborough works. Over 85 Marshall road rollers have been supplied to municipalities and Government institutions in India.
Saundsrson and Mills, Ltd.
Head Office and Works : Elstow Works, Bedford. Telegraphic address : "Saunderson Elstow."
The Saundorson tractor, in its various models, has been designed for universal agricultural service, and the machines are equally well adapted for transport, ploughing, mowing,
binding, threshing, grinding, sawing, pumping' etc. The first experimental Saunderson was made in 1896, but continuous construction, however, was not commenced until 1904. Since then this maker has secured a large number of awards. Four standard models are at present manufactured, and these vary in horse-power from 8 b.h.p. to 50 b.h.p. The smallest type has an air-cooled, 5 in. bore, singlecylinder engine, whilst the largest machine has a four-cylinder engine of 6 in. bore. The Saunderson vaporizer is designed to use kerosene and other heavy fuels. A special feature of the Saunderson tractor design is the flexibility of the mounting, which enables it to travel over very rough ground with ease. Examples have already been shipped to various parts of the world Overseas, notably to Canada along the Canadian Pacific Railway in Western Canada, South Africa, Russia, West Africa, Zululand, etc. An interesting variation of the ordinary type is the small L-pattern tractor. which may be &tea with a removable water tank, rotary pump and hose. A machine of this class has been shipped to the Philippine Islands.