SKID STEER LOADER
A skid loader, skid-steer loader, or skidsteer, is a small, rigid-frame,
engine-powered machine with lift arms used to attach a wide variety of
labor-saving tools or attachments.
Skid-steer
loaders are typically four-wheel vehicles with the wheels mechanically locked
in synchronization on each side, and where the left-side drive wheels can be
driven independently of the right-side drive wheels. The wheels typically have
no separate steering mechanism and hold a fixed straight alignment on the body
of the machine. By operating the left and right wheel pairs at different
speeds, the machine turns by skidding,
or dragging its fixed-orientation wheels across the ground. The extremely rigid
frame and strong wheel bearings prevent the torsional forces caused by this
dragging motion from damaging the machine. As with tracked vehicles,
the high ground friction produced by skid steers can rip up soft or fragile
road surfaces.
They
can be converted to low ground friction by using specially designed wheels such
as the Mecanum
wheel. Skid-steer loaders are capable of zero-radius,
"pirouette" turning, which makes them extremely maneuverable and
valuable for applications that require a compact, agile loader. Skid-steer
loaders are sometimes equipped with tracks
instead of the wheels, and such a vehicle is known as a multi-terrain loader.
Unlike
in a conventional front
loader, the lift arms in these machines are alongside the driver
with the pivot points behind the driver's shoulders. Because of the operator's
proximity to moving booms, early skid loaders were not as safe as conventional
front loaders, particularly during entry and exit of the operator. Modern skid
loaders have fully enclosed cabs and other features to protect the operator.
Like other front loaders, it can push material from one location to another,
carry material in its bucket or load material into a truck or trailer.
SKID STEER LOADER HISTORY
The
first three-wheeled, front-end loader was invented by brothers Cyril and Louis Keller in Rothsay,
Minnesota, in 1957. The Kellers built the loader to help a
farmer, Eddie Velo, mechanize the process of cleaning turkey manure from his
barn. The light and compact machine, with its rear caster wheel, was able to
turn around within its own length, while performing the same tasks as a
conventional front-end loader.
The
Melroe brothers, of Melroe Manufacturing Company in Gwinner, N.D., purchased
the rights to the Keller loader in 1958 and hired the Kellers to continue
refining their invention. As a result of this partnership, the M-200 Melroe
self-propelled loader was introduced at the end of 1958. It featured two
independent front-drive wheels and a rear caster wheel, a 12.9 hp
(9.6 kW) engine and a 750-pound (340 kg) lift capacity. Two years
later they replaced the caster wheel with a rear axle and introduced the M-400,
the first four-wheel, true skid-steer loader. The M-440 was powered by a
15.5 hp (11.6 kW) engine and had an
1,100-pound (500 kg) rated operating capacity. Skid-steer development
continued into the mid-1960s with the M600 loader.
ATTACHMENTS
The conventional bucket of many skid
loaders can be replaced with a variety of specialized buckets or attachments,
many powered by the loader's hydraulic system. These include backhoe, hydraulic breaker, pallet forks,
angle broom, sweeper, auger,
mower, snow blower, stump
grinder, tree spade, trencher,
dumping hopper, ripper, tillers, grapple, tilt, roller, snow blade, wheel
saw, cement mixer, and wood chipper machine.
Some models of skid steer now also
have an automatic attachment changer mechanism. This allows a driver to change
between a variety of terrain handling, shaping, and leveling tools without
having to leave the machine, by using a hydraulic control mechanism to latch
onto the attachments. Hydraulic supply lines to powered attachments may be
routed so that the couplings are located near the cab, and the driver does not
need to leave the machine to connect or disconnect those supply lines.
LOADER ARM DESIGN
The
original skid-steer loader arms were designed using a hinge at the rear of the
machine to pivot the loader arm up into the air in an arc that swings up over
the top of the operator. This design tends to limit the usable height to how
long the loader arm is and the height of that pivot point. In the raised
position the front of the loader arm moves towards the rear of the machine,
requiring the operator to move extremely close to or press up against the side
of a tall container or other transport vehicle to get the bucket close enough
to dump accurately. At the highest arm positions the bucket may overflow the
rear of the bucket and spill directly onto the top of the machine's cab.
An
extended reach design uses multiple hinges and parallel lifting bars on the
loader arm, with the main pivot points towards the center or front of the
machine. This allows the loader arm to have much greater operating height while
retaining a compact design, and allows the vertical movement to be less of an
arc and more straight-up vertical, to keep the bucket forward of the operator's
cab, allowing safe dumping into tall containers or vehicles.
SKID STEER LOADER APPLICATIONS
A
skid-steer loader can sometimes be used in place of a large excavator by
digging a hole from the inside. The skid loader first digs a ramp leading to
the edge of the desired excavation. It then uses the ramp to carry material out
of the hole. The skid loader reshapes the ramp making it steeper and longer as
the excavation deepens. This method is particularly useful for digging under a
structure where overhead clearance does not allow for the boom of a large
excavator, such as digging a basement under an existing house. Several
companies make backhoe attachments for skid-steers. These are more effective
for digging in a small area than the method above and can work in the same
environments. Other applications may consist of transporting raw material
around a job site, or assisting in the rough grading process.
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Pulau Madura (Bangkalan, Sumenep, Sampang, Pamekasan, Bali, Denpasar).
Pulau Kalimantan (Bengkayang, Kapuas Ulu, Kayong Utara, Ketapang, Kubu Raya, Landak, Melawi, Mempawah, Sambas, Sanggau, Sekadau, Sintang, Pontianak, Singkawang, Balangan, Banjar, Barito Kuala, Hulu Sungai Selatan, Hulu Sungai Tengah, Hulu Sungai Utara, Kota Baru, Tabalong, Tanah Bumbu, Tanah Laut, Tapin, Banjar Baru, Banjarmasin, Barito Selatan, Barito Timur, Barito Utara, Gunung Mas, Kapuas, Katingan, Kota Waringin Barat, Kota Waringin Timur, Lamandau, Murung Raya, Pulau Pisau, Sukamara, Seruyan, Palangkaraya, Berau, Kutai Barat, Kutai Kertanegara, Kutai Timur, Mahakam Ulu, Paser, Penajam Paser Utara, Balikpapan, Bontang, Samarinda, Bulungan, Malinau, Nunukan, Tana Tidung, Tarakan).
Pulau Sulawesi (Makassar, Manado, Kendari, Palu, Gorontalo, Bitung, Palopo, Baubau, Parepare, Kota Mobagu).
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Visi
Menjadi perusahaan terbaik sebagai rekan usaha untuk pelanggan dengan motto "Business Solutions" sesuai dengan kebutuhan pelangan.
Misi
Memmberikan yang terbaik kepada stake holder dengan kualitas dan pelayanan terbaik competitive serta win-win solution.
CORE VALUE
Focus
Fokus pada pelanggan dengan mengutamakan pelayanan kepada pelanggan sebagai prioritas utama.
Respect
Peduli terhadap orang lain dan kelselamatan kerja demi kesejahteraan bersama serta kemajuan perusahaan, bangsa dan negara.
Accountability
Dengan perhitungan yang cepat dan tepat menjamin teguh prinsip win win solution
Excellent
Dengan menerapkan prinsip PDCA secara terus menerus dan consistent untuk mencapai kesempurnaan dalam pelayanan maupun kualitas product.
PT TRIGUNA KARYA NUSA Melayani Penjualan spare parts antara lain:
Engine Group (Cylinder head, Bushing Valve, Seat valve, Chember, Gasket kit head, Liner Cylinder, Piston assy, Ringset piston, Bearing conecting rod/ metal jalan, Bearing crangshaft/ Metal duduk, Washer thrust/metal bulan, Conecting rod/stang piston, Crankshaft/ As kruk, Vale intake, Valve Exhaust, Oil Filter, Fuel Filter, Aircleaner, Filter Hydraulic, Nozzle, Injection, Spare plug, Glow plug, Oil pump dll).
Clutch group (Master Cylinder assy, Master release assy, Cove clutch/matahari, Disc clutch/pelat coupling, Bearing release.)
Manual Transmission group (Gasket kit transmission, Gear Forward, Gear reverse, shinchonize, Yoke, Spider set, Propeller, Wire.)
Automatic Transmision group (Gasket kit transmission, Disc clutch, Plate, Ring seal, control valve, torque converter.)
Differential group/ Gardan (Pinion Ring gear, planetari gear, shaft, Wheel/pelg, Solid tire/ban mati, Penumatic tire/ban hidup).
Brake group (Wheel cylinder, Shoe lining/kanvas rem, Wire Rh dan Lh, Master brake, Kit wheel cylinder, kit master brake),
Rear axle group (Kit kingpin, kit bellcrank, pin knucle, pin bellcrank, pin tierod, Kit cylinder steering)
Mast group (Roller bearing, Fork/garpu, forkshoe/sepatu garpu/extention, Chain/rante, Hose hydraulic, Kit lift cylinder, Kit tilt cylinder).
Acceories/ Electrical group (Head lamp, Front lamp, Rear Lamp, Switch lamp, Relay, Cotactor, Motor drive, Motor hydraulic, Sensor steering, Tire angle sensor, CPU board, Mpu Board, Controller, Transistor, Diode, Rotary lamp, Battery forklift, Motor starter, Dinamo Amphere).
Attachment (Paper Roll Clamp, Bale clamp, Side sifter, hanged fork, Puspull, Doubledeep, Bucket, Rotating Fork, Fork Stabilizer, Rum Fork, Fork Shoes).
