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ass Setting
by A. J. P. Wilding
WITH the opening of the International Construction Equipment Exhibition yesterday, Crystal Palace returned to its original function, as the site of a major exhibition, for the first time for 25 years. At the time of writing this preview, it appears that the number and range of exhibits will be worthy of the occasion. In all about 180 concerns will be represented on the 25-acre site, which includes 5 acres of proving grounds where equipment will be working.
Much of the equipment on view will have no connection with road transport or those concerned with road vehicles. On the other hand, a great deal of it has such connection, and it is with this equipment that this preview will deal.
Dump Trucks and Dumpers FOUR largeand medium-capacity truck-type dumpers are being shown for the first time. Largest of these is the Seammell Himalayan sixwheeler, which has a capacity of 12-14 cu. yd. and a payload of 18 tons. Power is provided by the Leyland 0.680 'Power-Plus 11.1-litre, 200-b.h.p. diesel engine. The unit has a doubledrive rear bogie and is being exhibited
on the stand of R. Cripps and Co., Ltd., Abbey Bridge, Len ton, Nottingham.
On the same stand—B.14—the Scammell Sherpa dump duck is being shown. This is a smaller unit and has a capacity of 8-10 cu. yd.
The George Cohen 600 Group. Ltd., Wood Lane, Shepherd's Bush, London, W.12, are exhibiting on stand D.78 their new Northfield F.7 dump truck, which is a fully-articulated unit with front and rear portions hinged vertically, to give a 180° steering pivot and 30° relative horizontal movement. Nominal capacity is 74 cu. yd. and payload capacity 25,000 lb.Power is provided by a Ford 6D sixcylindered diesel engine developing 96 b.h.p. at 2,250 r.p.m., transmitted through a Brockhouse
torque converter to the fully floating axles. These dump trucks use standard Fordson Major tractor parts. Double-acting hydraulic side rams provide a maximum tip of 78° to the body and a forward-control one-man cab is fitted. The unit can be seen working on the proving grounds (P.G. 103).
Also to be shown for the first time is the JCB 6D by J. C. Bamford (Excavators), Ltd.. Lakeside, Rocester, Staffs (stand D.36, P.G. 127). Capacity of this 12-ton rocker-type dumper is 7 cu. yd. As with the George Cohen dump truck, a Ford 6D engine is fitted, and fully hydraulic steering through 180° and torque converter drive are also features of the unit.
The new Wakefield Self-Loading Dumper model SD.55 is to be exhibited for the first time by the makers. Construction Machinery Equipment, Ltd., on their stand D.66 and on the proving ground P.G. 53. As the name implies this unit has a loading bucket supported and operated by hydraulic rams on each side of the dumper body. The shovel has a capacity of I cu. yd. and works beyond the tailboard.
Capacity of the body is 51 cu. yd. and a Leyland AU 350 diesel engine is installed with a 16-in, single-dry-plate clutch and a gearbox giving 10 forward and 10 reverse ratios.
The largest dump truck on viewis to be seen on stand A.92 of AvelingBarford, Ltd., Grantham. This is the SN 30-ton machine, which has a RollsRoyce 450-b.h.p., eight-cylindered turbocharged diesel engine and Allison Torqmatic transmission. Also to be shown by the group are the Shuttle SL 270 134--ton and SF 3-cu.-yd. dumpers and a new version of the Shuttle SR which now has a 10-ton payload capacity.
Scottish Land Development Corporation, 32 St. James's Street, London, S.W.1, are to exhibit two models of the A.E.C. six-wheeled Dumptruk. Larger of the two has a strudk capacity of 18 Cu. yd. and a payload capacity of
25 tons. Power is provided by an A.E.C. 340-b.h.p. diesel engine and transmission is through a three-stage torque converter. The other model on the stand has a capacity of lb cu. yd. with a payload of 15 tons.
High-capacity Euclid dump trucks are alsoto be 'seen on the stand of John Blackwood Hodge and Co.. Ltd., Euclid Works, Northampton (stand D.82, P.G. 113). These are expected to be the Series R-27, R-22• and R-15, with capacities of 27, 22 and 15 tons respectively. All three are normalcontrol left-hand drive four-wheelers. The International Harvester Co. of a25
Great Britain, City Road, London, E.C.I. are to show the 652 Payhauler 19-ton dump truck, which is powered by the International 250 b.h.p. diesel engine.
Dump trucks to be exhibited by Fodens, Ltd., Sandbach, Cheshire, will be models FGD. 6LX/30 and FED6/ 18. The first has a Gardner 6LX 150b.h.p. six-cylindered diesel engine and is a six-wheeler with a doubledrive rear bogie and a capacity of 11/12 cu. yd. The second uses a Foden Mk. III six-cylindered two-stroke 150-b.h.p. diesel engine and is a fourwheeler with a capacity of 8 cu. yd. Both vehicles have forward-control half cabs.
The display of Robert Hudson, Ltd.. Meadow Lane, Leeds (stand D.32), will feature their Leedsall 7-cu.-yd. hydraulically operated dumper trailer. Rated capacity of the unit is 20,000 lb. and it is intended to be used in conjunction with a tractor as the prime mover. On their proving ground area, P.G. 21. Hudsons are exhibiting their Leedsall Super-Four for the first time. This is a four-wheel-drive version of the standard dumper-trailer and has as its prime mover what is basically a Fordson Super Major industrial tractor with the four driving wheels of equal diameter. Power steering and steering brakes operating on all four wheels are incorporated.
A selection of mediumand smallsize dumpers from the Muir-Hill range are to be shown by E. Boydell and Co., of Manchester (stand D.58. P.G. 51). Of these the new Winget Muir-Hill 4SR 30-cwt. rear-wheel-drive unit will be demonstrated on the proving ground. Also expected to be seen in action are the Camill 7-cu.-yd. dump truck; the Winget Muir-Hill 3S 22Jcwt.; and the Muir-Hill 14B 3-cu.-yd. concrete-carrying dumpers; the Winget Muir-Hill 2S 15-cwt, and the 10B 3-cu.yd. dumpers; and the I8B 6-cu.-yd. hydraulic quarry dumper. Other MuirHill exhibits will include loaders of various capacities.
Shawnee Poole, Ltd., Woodlcy, Reading, Berks, will be showing on ;mild D.40, P.G. 121, their recently introduced FD 535 5-cu.-yd. 6-ton rear dump hauler. Prime-mover of this articulated dumper trailer is a Fordson Dexta tractor.
Pettcr diesel engines are fitted to the range of small dumpers to be seen on the stand of Thwaites Engineering Co., Ltd., Cubbington. Leamington Spa, Warwickshire (stand D.12, P.G. 67). The Sprite and Nimbus have the same load capacity of 15 cwt. but the Nimbus has a slightly larger skip. The Orion and Tusker have skip capacities B26
of I cu. yd. and 11 Cu. yd. respectively. All models have four Wheels, a threespeed-forward and reverse gearbox and gravity-tip skips.
Two dumpers which were recently introduced are to be exhibited by Motor Rail, Ltd., Simplex Works, Bedford, on stand D.74 (P.G. 107). These are the MR 375 and MR 450. The MR 375, which has a skip capacity of 31 cu. yd. and payload capacity of 4tons, is powered by a Lister HA 3 air-cooled 33 b.h.p. diesel engine. Gear box and rear axle are integrally mounted and give a total of six forward and two reverse ratios.
Capacity of the larger model, MR 450, is 41 cu. yd. with a payload capacity of 5 tons. On this model the power unit is a Dorman 2L8 37-b.h.p. diesel engine and the constant-mesh gearbox gives three forward and three reverse gears.
Demonstrations will be given on the proving ground of their new Rotaplacer hydraulically operated concrete placing dumper by C. H. Johnson (Machinery), Ltd. This dumper has a new design of skip which will discharge the contents at heights of up to 4 ft. On their main stand, A.89, the concern will exhibit the range of Johnson dumpers, including their One/20 and Twin/65 models. The latter will be used on working demonstrations of the Johnson " Trip-Skip " multi-skip handling equipment.
Whitlock Bros., Ltd., Great Yeldham, Essex, will have on their stand (D.52, P.G. 105) their Dinkum Dumper D.D.70. This is an 8-10-ton capacity fully articulated four-wheeled unit with power-assisted steering and a turning circle of 26 ft.
Loading Shovels FE. WEATHER ILL, LTD., Welwyn
• Garden City, Herts, will display on stand D.16 (also P.G. 105) loading shovels ranging from their large fourwheel-drive loader type 164 to the small S.2 industrial unit. Also expected to be included are the Weatherill Type I 2H, the front-wheeldrive version type 14H, the 2HHCR Hi-tip and the smaller L60. On stand C.12 and demonstration plot P.G. 35, Merton Engineering Co., Ltd., Feltharn, Middx, are showing six of their range of loading shovels. A new machine is included—the Merton Hydraulic 80A/80AD Frontloader. It is normally powered by a Ford 80 b.h.p* six-cylindered water-cooled diesel engine, but is also available with a Deutz 71-b.h,p. four-cylindered aircooled diesel engine. Trinsmission is through a Brockhouse torque converter with power gear-change. Capacity of the standard size of bucket is 11 cu. yd., with buckets up to 2f-cu.-yd. capacity available for light loads. Maximum discharge height is 12 ft: 8 in. Also to be seen are the Merton Frontloader 59 and the Model 454 two-way four-wheel-drive loader.
Both twoand four-wheel-drive shovels will be exhibited on stand D.4 and P.G. 29 by Chaseside Engineering
Co.. Ltd., Hertford, Herts. In the former category there will be Loadmasters 700, 750 and 800. which are available with conventional • or automatic transmissions. The four-wheeldrive range will be represented by the Loadmastcr 3000 and the Loadmaster 1000.
Six sizes of tractor shovel, two sizes of tractor dozer, one tractor logger and one tractor pipe handler represent the full range of equipment to be exhibited by Michigan (Great Britain). Ltd., Camberley, Surrey, on stand D.24 and P.G. 119. The tractor shovels have capacities of from 1 cu. yd. to 41 cu. yd. with lifting capacities of from 6,000 to 22,000 lb. Cummins, Ford, Leyland. Perkins and RollsRoyce engines ranging from 62 to 262 b.h.p. are offered as alternative units on the equipment. Many optional front-end attachments are available. Among the larger tractor shovels to be shown by Bray Construction Equipment, Ltd., Feltham, Middx (stand D.14, P.G. 19), will be the 460T. This unit has a 110 b.h.p. engine, torque converter transmission, with a standard bucket of 24-cu.-yd. capacity and a lifting capacity of 12,000 lb. Other units to be seen will be the smaller two-wheel-drive HL 23 and the heavyduty four-wheel-drive BL 430.
Mobile Cranes
A wide range of mobile cranes is* intended to be on show at the exhibition.. Largest of them should be the Coles Valiant, which Steels Engineering Products, Ltd., 143 Sloane Street, London, S.W.I, are stowing for the first time on stand D.70. Diesel-electric transmission is employed on this fully mobile crane, which has a capacity of 55 long tons at a I 2-ft. radius on the standard 50-ft.-centres strut jib. The 50-ft, length of the standard jib can be increased to, 240 ft. by inserting extension pieces and adding a 40-ft. fly jib. Separate diesel engines are used to power the crane and chassis, an A.E.C. 11.3-litre diesel unit providing the power for all craning operations, with a Rolls-Royce 12.17-litre 250b.h.p. supercharged diesel engine for the vehicle.
In addition to the Northfield dumper referred to earlier and two models of the Hiab vehicle-mounted loader, the George Cohen 600 Group, Ltd., are exhibiting three mobile cranes on stand 0.78. One of these is new—the Jones fa 66 Sitemaster. This unit can also be seen in the proving ground— site P.G. 103.
The Sitemaster is a development of the standard KL 66 with the power unit replaced by •a 621-b.h.p. diesel engine, and the superstructure mounting modified. Lifting capacity is 6 tons at a 10-ft. radius and basic jib length is 30 ft. which can be increased if required. The standard Jones KL 66 and the Jones KL 12-20 cranes with lifting capacities of '6 and 20 tons respectively are the other two units on show.
Priestman Bros., Ltd., Hedon Road, Hull, Yorks, will be introducing a new truck-mounted crane based on the Lion crawler-mounted excavator/ crane on their stand A.24. The crane is powered by a Dorman 4 LB 75-b.h.p. four-cylindered diesel engine and maximum load is 27 tons at 12-ft. radius. Maximum boom/jib length is 130 ft. Basis of the crane is a Foden F.C.20 eight-wheeled chassis, which has a Gardner 6LX diesel engine and a gearbox with 12 forward and three reverse ratios.
Three mobile cranes will be shown by R. H. Neal and Co., Ltd., 143 Sloane Street, London, S.W.1, on stand D.68 and P.G. 71. The NL 250 is truck-mounted with a maximum lifting capacity of 25 long tons at a 10-ft. radius of the 30-ft. centres strut jib. The other two, the N 570 and GM, are fully mobile units with capacities of 6 tons at 10-ft. radius on a 30-ft. strut jib and 15-cwt. at 8-ft. radius on a 15-ft. channel or 20-ft. lattice jib respectively.
Gardner diesel engines are used for both the crane movements and vehicle propulsion on the M.E.I. truckmounted crane exhibited by Thomas Smith and Sons (Radley), Ltd., Radley, Leeds, on stand A.18. A 5LW engine with a Vulcan-Sinclair fluid coupling power take-off for the crane and a (,LW unit for the carrier. Maximum boom length of the crane is WO ft. At the basic length of 30 ft., however, the lifting capacity is 223 tons.
Leyland engines are used on the three models of mobile crane displayed by John Allen and Sons (Oxford). Ltd., Cowley. Oxford (stand D.42, P.G. 11). Model T.184 which was recently introduced and Model T.134 have separate Leyland 0.600 six-cylindered diesel engines driving their cranes and powering the chassis. In the case of the third, Model K 64. a Leyland 0.350 six-cylindered diesel engine mounted on the chassis also provides power for the crane.
Leyland gearboxes are fitted in all three chassis with two-speed auxiliary gearboxes also incorporated. The T 184 model has the greatest capacity —18 tons—and boom lengths of from 30 ft. to 100 ft. are available. Model T 134 gives a maximum lift of 13 tons with boom lengths up to 80 ft.. whilst model K 64 has a lifting capacity of 6 tons.. . • . .
Blaw Knox, Ltd.; Rochester, Kent (stand A.62), are showing their BK: Fifty Ranger crane/excavator. This has a capacity of 114 tons and a jib range of from 30 to 70 ft. and will be seen with a new. 50-ft. tubular jib. The crane is mounted on a special .Blaw Knox chassis which. incorporates Leyland running units., The crane is said to be readily convertible to a variety of uses and when used as an excavator
has a capacity of cu. yd. The German-made Fuchs 301 Excavator; which is appearing on stand C.24 of Tower Cranes, Ltd., 39 Victoria Street, London, S.W.1, is another unit which can be converted for a number of uses including a mobile tower crane.
Two of the Taylor-Jumbo range of diesel-electric mobile cranes . will be exhibited by F. Taylor and Sons (Man
chester); Ltd., Salford,Lancs. The Series 42; which is mounted on a fourwheel-drive chassis and has a capacity of 4 long tons-at 10-ft.radius, will be seen on stand D.8. On the proving ground (site P.G. 61) the Series 50, which has the same capacity, but is mounted on 4 x 2 chassis, will be demonstrated.
Truck-mounted Mixers
Largest of the vehicle-mounted concrete mixers which will be on show at Crystal Palace will be a Rapier 9-cu.yd; unit mounted on a Foden eightwheeler. This will be on the stand of Ransomes and Rapier, Ltd., Ipswich, No. A.58. Two hydraulic pumps—one driven from the front of the engine: the other from a power take-off on the gearbox—provide the power for the mixer. This has an unmixed-batch capacity of 124 cu. yd. and can agitate 11 cu. yd. of premixed concrete. . • Winget, Ltd., Rochester, Kent, are to show their Challenge 6-cu.-yd. hydraulic drive truck mixer mounted on an A.E.C. six-wheeled chassis. Power for the hydraulic system is taken from the front of the crankshaft of the vehicle's engine.
Other truck' mixers to be seen will obi the Blaw Knox Varispeed 4/44-cu.yd. model, on stand A.62, and a 53/6cu.-yd. unit on stand A.52 Of Stothert and Pitt, Ltd., Bath.
Engines and Units
A number of manufacturers are showing ranges of engines and other units supplied for various makes of equipment.
Perkins Engines, Ltd., of Peterborough (stand B.106), will display a wide range of 3-, 4and 6-cylindered diesel engines of from 10 to 125 b.h.p. ratings. An interesting exhibit is expected to be a Perkins Mars 50 b.h.p. gas turbine.
In.addition to the range of diesel and petrol engines to be exhibited by the Ford Motor Co., Ltd., Dagenham (stand A.114), .a 7-ton axle and a 4-speed gearbox will be shown and there will be a special display featuring Ford-powered equipment. On the stand of the Ford Tractor Division (A.42) there will be exhibits of construction equipment using Fordson tractor units.
Diesel engines, including industrial applications of the new Power-Plus series, gearboxes, torque _converters and a Fluid-Friction clutch will be featured by Leyland Motors, Ltd., Leyland, Lanes, on stand A.104. A self-contained power pack and a Leyland-Auto Diesels generating set will be included.
R. A. Lister and Co., Ltd., Dursley, Glos. (stand B.60), Industrial Power Units, Ltd., Tettenhall Wood, Wolverhampton. (stand B.116), and British Deutz, Ltd.. Essex Street, London, W.C.2 (stand B.18), will also be showing ranges of engines suitable . for construction equipment, and Brockhouse Engineering, Ltd., 25 Hanover Square, London, W.1, will include on their stand, B.96, examples of their range of torque crverters. An interesting exhibit on stand A.68, Bristol Pneumatic Tools, Ltd., Fishponds, Bristol, will be a vehiclemounted Airmobile engine and compressor unit with the power unit being used also for vehicle propulsion. This layout is also a feature of vehicles shown by Halifax Tool Co., Ltd., Halifax, on stand B.30. This company's Halco Tiger power truck has a Ford 6D six-cylindered diesel engine mounted on the chassis to drive a compressor or similar equipment and also to provide power for vehicle propulsion.
Fortress stacking and loading clamps are to be shown by G. H. Bennett, Crownhill, Plymouth, on stand A.70. These are designed to be attached to standard fork-lift trucks and allow the handling of goods without stiflages or under support.