Discontinued the Grove RT890 is a 90-ton US ton lifting capacity Rough Terrain Crane with 36' - 114' (11 m - 37.7 m) four section boom.  

Swingaway Extension 33 ft. (10.0 m) lattice swingaway boom extension. Offsettable at 2°, 15° or 30°. Stows alongside base boom section. Maximum tip height: 153 ft. (46.6 m).

*Optional Telescopic Swingaway 33 ft. - 58 ft. (10 m - 17.7 m) telescoping lattice swingaway extension offsettable at 2°, 15° or 30°. Stows alongside base boom section. Maximum tip height: 178 ft. (54.2 m).

*Optional Jib 14 ft. (4.3 m) lattice sections combine with a 32 ft. (9.8 m) tip section to provide 46 ft. (14.0 m), 60 ft. (18.2 m), 74 ft. (22.5 m) and 88 ft. (26.8 m) jib lengths. Jib is cable suspended and can be offset at 5°, 17° and 30°. Maximum tip height: 206 ft. (62.7 m).

Counterweight

Integral with turntable mast. (P.P. boom)

With main hoist only: 14, 000 lbs. (6350 kg)

With main & aux.: 12, 050 lbs. (5466 kg)

*Optional (F.P. boom)

With main hoist only: 13, 200 lbs. (5988 kg)

With main & aux.: 11, 250 lbs. (5103 kg)

Engine Cummins 6CTA 8.3 L diesel, six cylinders, turbocharged, 250 bhp (186 kW) (Gross) @ 2, 200 RPM. Maximum torque: 794 ft. lbs. (1077 Nm) @ 1, 500 RPM.

*Optional Engine Caterpillar 3306C - DITA diesel, six cylinders, naturally aspirated, 250 bhp (186 kW) (Gross) @ 2, 100 RPM. Maximum torque: 845 ft. lbs. (1146 Nm) @ 1, 400 RPM

The RT890 was superceded by Grove RT890E which has a full power 5-section MEGAFORM boom.

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