SCX800-2
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Catalog excerpts

HITACHI SUMITOMO HYDRAULIC CRAWLER CRANE

Specifications HITACHI SUMITOMO Superstructure UPPER REVOLVING FRAME: All-welded, precision machined, robust construction. A machined surface provided for mounting load hoist, opt. 3rd drum and boom hoist assemblies, and mounting itself on turntable bearing. TURNTABLE BEARING WITH INTERNAL SLEWING GEAR: Single shear ball type; inner race of turntable bearing with integral, internal slewing (ring) gear bolted to lower frame, and outer race of turntable bearing bolted to upper revolving frame. CONTROL SYSTEM: System contains one set each of quadruplicate and triplicate tandem valves which...

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and cylinder controls. Main/aux. crane hoist motors — Fixed displacement axial piston motor with counterbalance valve. Boom hoist motor — Fixed displacement axial piston motor with counterbalance valve and springapplied/power hydraulically released multiple wet-disc type automatic brake. Third drum motor — Optional extra; variable displacement axial piston motor with counterbalance valve. Slewing motor — Fixed displacement axial piston motor with spring-applied/power hydraulically released multiple wet-disc type brake. Travel motors — Shoe-in design; variable displacement axial piston motor...

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type window shield wipers with washer on both front and roof windows, sliding windows on both sides of cab, and slewing-link type sliding door. Instrument panel — Contains engine monitoring lamps, graphic display panel of Load Moment Indicator, gauges & meter, warning lamps and other necessary controllers and switches. Operator’s seat — Full adjustable reclining seat with head rest and both R/H and L/H side arm rests. Anemometer — Optional extra; available for both of liftcrane and fly jib attachment. Air-conditioner — Built-in type full air-conditioner. Electric cab fan — Optional extra;...

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DRIVE SPROCKETS: Cast steel, heat treated; one per side frame. Track drive sprocket assembly bolt-coupled to 3-stage planetary reduction gear unit outer case as an integral part of shoe-in type traction motor. Sealed between parts of rotation and non-rotation of the motor with floating seal. IDLER WHEELS: Cast steel, heat treated; one per side frame. Mounted on two bronze bushings with floating seals for lifetime lubrication. TRACK ROLLERS: Ten per side frame; each heat treated cast steel with double flange design. All mounted on two bronze bushings with floating seals for lifetime...

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SLEW LOCK: Mechanically operated drop pin; available to firmly lock superstructure in four positions of facing front or rear or left or right to undercarriage. DRUM LOCKS: Electrically operated pawl locks is available on front and rear main drums while power hydraulically operated pawl lock is available on boom hoist drum with an automatic locking device as std. THIRD DRUM LOCK: Provided as std. when an optional 3rd drum winch is provided. FREE-FALL INTERLOCKING: Available on both front and rear main drum brake lines for fail-safe operation. Functions that free-fall brake mode is only...

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DRUM DATA:

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SCX800-2 SHORT JIB CAPACITIES: Max. 7t Note: Jib capacities are almost equal to the figures made by the deduction of a 250kg from the liftcrane capacities for boom length up to 51.5m unless restricted by the maximum jib capacity shown above. As to the details, please consult us or nearest distributor.

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Fly Jib Capacities - EN Rating Boom length(m) Boom length(m) Boom length(m) Jibl ength(m)

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Boom length(m)

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Liftcrane Working Ranges Hook left allowance height 45 Height above ground (m)

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WORKING MASS & GROUND CONTACT PRESSURE: CLAMSHELL RATINGS: Note: Working mass shown above is with 9.5m boom, 28.2ton counterweight, 1.5ton sub weight, hydraulic tagline and 1.2m3/3.1t clamshell bucket. BUCKET DIMENSIONS: Bucket overall height (opened) 1. Max. clamshell rating is 6.5t. 2. Mass of bucket plus load should not exceed clamshell ratings shown above. Following data are for a general digging application buckets. Bucket overall height (closed) Bucket opening width Bucket capacity Bucket mass Notes: 1. Buckets of 0.8/1.0/1.2m 3 are for a general excavating purpose. 2. Other type of...

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General Dimensions 4030 2590 4840 3400 Dimensions in are when tracks are fully retructed. Notes:1. The above general arrangement is under liftcrane application with 9.5m basic boom and optional 80t hook block. 2. Radius of rear end of the counterweight is 3,980mm.

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Notes : The meanings of figures and symbols shown above are as follows:. <C] : 5.5m base section ] : 3.0m boom extension : 4.0m tapered top section | | : 6.0m boom extension 1 : 9.0m boom extension (for use with fly jib)

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Short jib is able to attach on boom ranging from 12.5m thru 51.5m in length: Fly Jib Combination (Available offset angle : 10 & 30 degrees): Jib Length (m) Note : The meanings of figures and symbols shown above are as follows: 4.5 4.5 Boom plus Fly Jib Combination Table (Available offset angle : 10 & 30 degrees): Jib Length(m) Note : In case that fly jib is attached, kind of boom extension should be 9m(B) .

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General arrangement Basic Machine with: Boom base section; Front drum rope; A-frame gantry w/bridle; Boom hoist drum rope; Crawler side frames; Basic Machine with: Front drum rope; Boom hoist drum rope; Crawler side frames; A-frame gantry w/bridle; Superstructure with: Boom base section Front drum rope A-frame gantry w/bridle; Boom hoist drum rope; (with 9.5m basic boom and 80t hook block) Superstructure with: Front drum rope A-frame gantry w/bridle; Boom hoist drum rope;

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Side frame Boom Base (w/pendant ropes) (w/out pendant ropes) (w/out pendant ropes)

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(w/out pendant ropes) (w/out pendant ropes) (w/Jib Strut)

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Description Qty 7t hook block (Light weight type) Note : Limitation for use. ( 1) 7t hook block (Light weight type) Note : Limitation for use. ( ) Jack Beam with oil piping without Float 25kg 4 Light weight hook block of 7t capacity will require a suitable weight when boom length exceeds 18.5m in a consideration of its free-fall operation as good as enough. Light weight hook block of 7t capacity will require a suitable weight when boom length exceeds 48.5m in a consideration of its free-fall operation as good as enough.

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