specifications computer controlled self
SPECIFICATIONS
COMPUTER CONTROLLED SELF-PROPELLED CHIP SPREADER
POWER TRAIN
Engine: Cummins, Tier 3 QSB 6.7 liter, 6 cylinder Turbo-charged diesel engine, 275 H.P.
@ 2500 RPM, includes automotive type ignition with electric start alternator voltage
regulator and (2) 12 volt batteries. Engine to have dry type air cleaner, disposable
element type oil filter, heavy duty cooling system, sucker type fan, engine mounted air
compressor, variable speed governor, and 80 gallon fuel tank.
DRIVE TRAIN
Axial piston variable rate high torque 130cc hydrostatic pump directly coupled to engine;
variable rate 250cc hydraulic motor drives axle through 2 speed transfer case.
DRIVE/STEERING AXLE
Limited slip differential front wheel drive-front wheel steer with planetary gear hubs with
total axle reduction of 14.769 to 1, 42 degree steering angle, 31,800 lbs capacity, with
rubber spring suspension.
REAR AXLE
Solid tube type 5" diameter trailer axle, 25,000lbs. capacity.
BRAKES
Front:
Rear
Parking:
Wet disc air over hydraulic.
16.5 X 7 drum, S cam air brakes (truck type).
Spring anchorlok parking brake on rear axle,
Spring applied air release disc on front axle input
pinion shaft.
STEERING
Engine mounted vane power-steering pump feeding a open-center orbital type steering
valve no mechanical linkage.
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CONTROLS AND INSTRUMENTS
Operators panel includes, ignition switch, hitch switch, conveyor switch, spread width
and rate controls, parking brake, engine throttle.
Instruments include fuel, hydraulic temperature, engine temperature, engine RPM, hour
meter, oil pressure, charging system, and voltage.
POSITIVE LOCK HITCH
Type: Hydraulically powered positive non binding, latch and release.
Adjustment Range:
8" to 20" height
6" fore. and aft.
WHEELS
Disc type 10 hole, front and rear to be interchangeable.
TIRES
Standard: 385/65R X 22.5 highway tread.
AGGREGATE HANDLING SYSTEM
Rear hopper shall be 120"wide with a minimum struck capacity of 4.5 cubic yards, with
heavy duty rubber skirting and grizzly screens over belt openings.
CONVEYOR
To have two heavy duty 30" 2 ply conveyor belts with 35º troughing rollers. Independent
hydraulic motor control by solenoid valves through enclosed adjustable level sensors in
feed hopper. Belts to have self-cleaning tail pulleys and return rollers. Adjustable
driverters at belt discharge. Conveyor hydraulic motor coupled direct to head pulley.
Conveyor belts must be capable of starting fully loaded.
OIL COOLER
The oil coolers to be equipped with two 10 micron filters and have total return flow
capacity and thermostatically controlled fan.
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SPREADER HOPPER
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Extendible from 10 feet to 16 feet in 6 inch increments. 3.8 cubic yards capacity at 16
foot width. Spread width range 6 inches to 16 feet. Computer controlled spread rate
range I to 80 pounds per square yard. The spread hopper to have a grade compensation
automatic leveling device to maintain constant spread rate regardless of road grade.
Aggregate flow. Computer control of pneumatic actuated gates in relation to ground
speed and pound per square yard to be spread at any given width 6 inches to 16 feet.
Cut off gates. Pneumatic powered 6” and 12" wide, with infinite gate openings.
Adjustment and pre-set capability from operator's station.
SAFETY EQUIPMENT
Ladders on each side; safety handrails; electric backup alarm; air signal horn, srobe
light, turn/flasher/stop lights, and tractor type night work lights.
FINISH
The Chip Spreader shall be painted with a high grade of paint in the manufacturer's
standard color of orange.
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