The GR‑900XLL‑4 features a five-section synchronized telescoping boom extending up to 167.3 ft (~51 m) and an optional 58.1 ft (≈ 17.7 m) bi‑fold swing-away jib, delivering a maximum tip height of approximately 212 ft (~64.6 m). Equipped with a Cummins QSB 6.7 engine (~280 hp / ~209 kW, ~730 lb·ft torque), it integrates advanced systems like AML‑E2 load moment indicator, smart counterweight management, ECO mode, and HELLO‑NET telematics. With a road travel speed of ~22 mph (≈ 36 km/h) and an operational footprint under 58 short tons, it balances high reach with superb on-site mobility.