CHANGJIANG TTCO 70G1-II

fly jib hook

Model: CHANGJIANG TTC070G‑II (also referred to as TTCO70G‑II) 1. Basic Performance Max. Rated Lifting Capacity: 70 t Max. Lifting Moment: 2354.4 kN·m Operating Weight: 46,000 kg (46 t) Counterweight: 15.5 t (fixed) Outrigger Span (Transverse): 7.8 m Min. Working Radius: 3.0 m 2. Boom & Jib (Main & Auxiliary) Main Boom: 5‑section U‑shape telescopic boom Min. (Base) Boom Length: 11.6 m Max. Fully Extended Main Boom: 33.5 m Auxiliary Jib (Optional): 15 m Max. Lifting Height Main boom fully extended: 43.91 m Main boom + auxiliary jib: 59.21 m 3. Engine & Power (Dual‑engine system) Chassis Engine: WEICHAI WP12.375N Rated Power: 276 kW @ 2200 rpm Upper‑structure Engine: WEICHAI WP6G190E26 Rated Power: 140 kW @ 2200 rpm Emission Standard: China Stage III 4. Hoisting & Hydraulics Main Winch Rope Speed (Empty): 130 m/min Single Rope Pulling Force: 4.5 t Boom Telescoping System: Synchronous telescopic Control System: Pilot‑operated hydraulic control 5. Travel & Dimensions Max. Travel Speed: 84 km/h Min. Turning Radius: 12.0 m Max. Gradeability: 44% Overall Dimensions (L×W×H): 14,100 × 2,800 × 3,650 mm Tire Specification: 12.00R24 6. Key Features Full‑circle slewing, 5‑section U‑shape boom, dual‑engine design High‑rigidity turntable, heavy‑duty frame Advanced load moment limiter, safety interlocks