2012 TEREX HC275, 275 Ton Lift-Capacity, 290' + 100' max lift crane boom & jib length MACHINERY: Two drums, one main and one auxiliary, orientated in-line; main drum in front, with auxiliary drum behind. Each mounted on separate shafts with single stage planetary gear reduction, independently driven by a hydraulic motor through a planetary reducer. A spring set, hydraulically-released, multi-disc holding brake is mounted inside the hoist motor and is operated through a counter-balance valve. An external ratchet is fitted for locking the drums. Drums are grooved, 1-1/8" (28.6 mm) diameter wire rope on the front drum and 1-1/8" (28.6 mm) diameter wire rope on the rear drum. Drum rotation indicators. Independent swing powered by a hydraulic plunger motor coupled to a planetary reducer with spring-set, hydraulically released multiple-disc
brake, mounted on the swing motor. Two-position pin-in-hole lock (manual). Boom hoist with grooved drum including 7/8" (22.2 mm) diameter wire rope. Drum is powered by hydraulic axial piston motor coupled through a planetary reducer equipped with a spring-set hydraulically released pawl that is automatically actuated when boom is stopped. Engine/machinery enclosures with large access doors. Power up/down and free-fall is standard for main drums.
LOWER: Independent hydraulic propel drive unit into each side frame. 48" (1.2 m) crawler shoes. Sealed lubricated track rollers. Removable side frames for ease of transportation.
TRANSPORTATION PACKAGE: Includes 30 ton block, grooved for 1 1/8" rope, for handling counterweight & sideframes. Sling and shackles for handling counterweights & sideframes. Two horizontal cylinders for installation & removal of sideframes. Four vertical cylinders for self erect & disassembly for transportation.
ENGINE: Cummins QSL9.0, Tier-3, 325-HP (242 kW) @ 2200 RPM, 6-cylinder, water-cooled, fuel injected diesel with an intercooled turbo-charger. The engine controls include: one electronic twist grip hand throttle and one foot pedal throttle, 180 gallon (681 liter) fuel reservoir, and heavy duty batteries [(2) 12 volt, 136 Ah].
OPERATOR'S STATION: Completely isolated from the main machinery cab, the operators cab includes: totally enclosed full vision cab with safety glass windows on all sides, windshield wiper/washer, hydraulic controls, sliding side window, flip open top window with wiper/washer, tachometer, Load Moment Indicator (LMI), standard heat and air conditioning with circulating fan, and am/fm radio. Deluxe operator seating.
CONTROLS: Hydraulic-over-hydraulic controls provide instant, positive, and smooth response to the operator’s touch, with a 90 gallon (341 liter) capacity reservoir. Block-up limit control is standard for hoist and whip lines. Integrated Load Moment Indicator system (LMI) is standard for main boom and upper boom point.
BOOM: Includes 80' (24.4 m) basic 92HI boom consisting of 25' (6.1 m) 92" Inner, 15' (6.1 m) 92" Center section and 40' (12.2 m) 92" Outer with Offset Tip and an extended axle. Mechanical boom angle indicator, pendant rigging, and boom hoist wire rope. Boom back-stops and boom over-hoist prevention device. Anti-two block limit controls for main and auxiliary lines. Floating mast and dual boom suspension included.
COUNTERWEIGHT: Standard Upper counterweight, consisting of (1) base weighing 38,800 lbs (17.599 kgs), (14) overlays, each weighing 11,200 lbs (5.080 kgs), upper weight 195,600 lbs. (88.723 kgs) total weight. Complete upper counterweight can be lifted into position at one time with no additional stacking required. Standard Lower counterweight, consisting of (2) carbody counterweights weighing 32,000 lbs(14.515 kgs), for a total available counterweight of 259,600 lbs (117.753 kgs).
