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Rough Terrain | RT890E

Summary

An electronically-controlled 275 HP Cummins diesel engine and MEGAFORM boom ensure the RT890E has the power and reach for the most demanding jobs. An E Series cab featuring ergonomic controls minimizes operator fatigue and maximizes productivity.

Features

Five-section full-power boom
Quick-reeve boom nose
Powershift transmission
Removable counterweight
Designed for easy maintenance
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Quick Reference Guide
Capacity
Main Boom Length
Boom Extension
Max Height
80 t
43,2 m
26,8 m
73 m
Superstructure
Boom 11,4 m - 43,2 m five-section, sequenced synchronized full power boom with A & B mode. Maximum tip height: 45,7m.
Lattice extension 10 m - 17 m offsettable bifold lattice swingaway extension. Offsets 0°, 20° and 40°. Stows alongside base boom section. Maximum tip height: 62,7m.
Optional Lattice Extension inserts 2 X 4,8 m lattice extension inserts. Installs between the boom nose and bifold extension, non-stowable. Maximum tip height: 72,5m
Boom Nose Five nylatron sheaves mounted on heavy duty tapered roller bearings with removable pin-type rope guards. Quick reeving type boom nose. Removable auxiliary boom nose with removable pin type rope guard.
Boom elevation One double acting hydraulic cylinder with integral holding valve provides elevation from -3° to +78°.
Load moment and anti-two block system Standard "Graphic Display" load moment and anti-two block system with audio-visual warning and control lever lockout. These systems provide electronic display of boomangle, length, radius, tip height, relative load moment, maximum permissible load, load indication and warning of impending two-block condition. The standard Work Area Definition System allows the operator to pre-select and define safe working areas. If the crane approaches the pre-set limits, audio-visual warnings aid the operator in avoiding job-site obstructions.
Cab Full-vision, all-steel fabricated with acoustical lining and tinted safety glass throughout. Cab tilts to + 20 degrees. Deluxe seat incorporates armrest-mounted hydraulic single-axis controllers. Dash panel incorporates gauges for all engine functions. Other standard features include: hot water heater, cab circulating air fan, sliding side and rear windows, sliding skylight with electric wiper and sunscreen, electric windshield wash/wipe, fire extinguisher and seat belt.
Swing Two speed, planetary swing drive with foot applied multi-disc wet brake. Spring applied, hydraulically released swing brake. Single position mechanical house lock, operated from cab. Maximum speed: 2,0 RPM.
Counterweight 9 979 kg. Hydraulically installed and removed.
Hydraulic system Two main pumps ([1] piston and [1] gear) with a combined capacity of 503 LPM. Maximum operating pressure: 277,7 bar.Three section pressure compensated valve bank. Return line type filter with full flow by-pass protection and service indicator. Replaceable cartridge with micron filtration rating of 5/12/16.995 L hyd. reservoir. Carrier mounted oil cooler with thermostatically controlled hydraulic motor driven fan/air to oil. System pressure test ports.
Carrier
Chassis Box section frame fabricated from high-strength, low alloy steel. Front/rear towing and tie down lugs.
Outriggers Four hydraulic telescoping single-stage double box beam outriggers with inverted jacks and integral holding valves. Three position setting, 0%, 50% and fully extended. All steel fabricated, quick release type outrigger floats, 775 mm diameter. Maximum outrigger pad load: 56 700 kg.
Outrigger Controls Controls and crane level indicator located in cab.
Engine (Tier III) Cummins QSB 6.7L diesel, six cylinders, turbo-charged, 205 kW (Gross) @ 2,500 RPM. Maximum torque: 987 Nm @ 1,500 RPM.
Fuel Tank Capacity 273 L
Transmission Full rangeshift with 6 forward and 6 reverse speeds. Front axle disconnect for 4 x 2 travel.
Electrical System Two 12 V - maintenance free batteries. 12 V starting and lighting. Battery disconnect. CanBus Diagnostic system.
Drive / Steering 4 x 4.

Fully independent power steering:
Front: Full hydraulic steering wheel controlled.
Rear: Full hydraulic switch controlled.

Provides infinite variations of 4 main steering modes:
front only, rear only, crab and coordinated.
Rear steer indicator.
Turning radius: 7,58 m.
Maximum speed Front: Drive/steer with differential and planetary reduction hubs rigid mounted to frame.
Rear: Drive/steer with differential and planetary reduction hubs pivot mounted to frame.
Oscillation Lockouts Automatic full hydraulic lockouts on rear axle permits 25,4 cm oscillation only with boom centered over the front.
Brakes Full hydraulic split circuit operating on all wheels. Spring- applied, hydraulically released parking brake mounted on front axle.
Tires Std. 29,5 x 25 - 34 bias ply, General
Lights Full lighting including turn indicators, head, tail, brake and hazard warning lights.
Maximum Speed 35 kph.
Gradeability (Theoretical) 75% (Based on 52 607 kg GVW) 29,5 x 25 tires, 43,2 m boom, plus 17,0 m swingaway, 9 9979 kg counterweight, 90T hookblock and 10T headache ball).
Miscellaneous Standard Equipment Full width steel fenders, full length aluminum decking, dual rear view mirrors, hook-block tiedown, electronic back-up alarm, light package, front stowage well, tachometer/hourmeter,rear wheel position indicator, 36 000 BTU hot water cab heater, hoist mirrors, engine distress A/V warning system, front/rear tie down and tow lugs, coolant sight level indicator.
Optional equipment
Options AUXILIARY LIGHTING PACKAGE (includes cab mounted amber flashing light, hoist mounted work light, and dual base boom mounted floodlights.)
LMI light bar (in cab)
Air conditioning (28 500 BTU).
360° NYC style mechanical swing lock.
Rear Pintle hook.
Cab controlled cross axle differential locks, (front and rear)
PAT data logger.
Rubber mat for stowage trough.